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DXCMDexcom

Health care · Medical Instruments · Nasdaq
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Earnings releases

Latest results release: Oct 29, 2026

8-K item 2.02, exhibit 99
Latest releaseRead ↓
Oct 29, 2026
Dexcom Reports Third Quarter 2026 Financial Results
Releases kept
15
16 documents, oldest Jan 8, 2024

What DXCM's management wrote with each quarter's results: the press release and, when the company files them, its prepared remarks or the call transcript. The call itself is not filed with SEC, so most quarters have the release only.

In the company's own words

Adjusted vs GAAP earnings per share

Each release

What the company says its adjusted numbers leave out:

The third quarter 2026 non-GAAP net income excludes $11.9 million of amortization of intangible assets, $0.4 million of business transition and other significant items, and $12.4 million of tax adjustments. release Oct 29, 2026

Both numbers are read from the words of each release (usually the highlights), never computed by us; hover a number for its sentence. Quarters where the release gives them only in a table are not shown. The company decides what "adjusted" leaves out; the full reconciliation is in the release.

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Every release, in full

Linked to sec.gov
Press release Oct 29, 2026 · EX-99.1

Dexcom Reports Third Quarter 2026 Financial Results

Open on SEC ↗

SAN DIEGO - (BUSINESS WIRE-October 29, 2026) - DexCom, Inc. (Nasdaq: DXCM) today reported its financial results as of and for the quarter ended September 30, 2026.

• Revenue grew 11% year-over-year to $1.344 billion on a reported basis and 11% year-over-year on an organic 1 basis.

• U.S. revenue grew 14% and international revenue grew 5% on a reported basis and 5% on an organic 1 basis, all on a year-over-year basis.

• GAAP operating income of $327.2 million or 24.3% of revenue, an increase of 420 basis points compared to the third quarter of 2025. Non-GAAP operating income* of $339.5 million or 25.3% of reported revenue, an increase of 270 basis points compared to the third quarter of 2025.

• Subsequent to the quarter, published the CONNECT randomized clinical trial in The New England Journal of Medicine , showcasing outcomes driven by Dexcom G7 that redefine the standard of care for people with Type 2 diabetes not on insulin.

• Launched the fully redesigned Stelo experience, with enhanced glucose insights, simplified meal logging, and more detailed nutritional information.

• Advanced the rollout of the Dexcom G7 15 Day System in the U.S. and secured first two G7 15 Day international regulatory clearances, positioning for continued momentum in the transition of the global base to the extended wear platform.

“This quarter, we continued to build momentum across the business, delivering strong revenue growth and margin progression, strengthening our clinical evidence, and advancing key product and operational initiatives,” said Jake Leach, Dexcom’s president and CEO. “This performance enabled us to again raise our full-year revenue and operating margin guidance and reinforces our confidence in our ability to deliver on the long-term objectives we outlined at Investor Day.”

Dexcom is raising the midpoint of fiscal year 2026 Revenue guidance, reiterating fiscal year 2026 Non-GAAP Gross Profit Margin guidance, and increasing fiscal year 2026 guidance for Non-GAAP Operating Margin and Adjusted EBITDA Margin to the following levels:

The company also announced a share repurchase authorization of up to $1.0 billion in conjunction with third quarter results.

Revenue: In the third quarter of 2026, worldwide revenue grew 11% to $1.344 billion on a reported basis, up from $1.209 billion in the third quarter of 2025.

Gross Profit: GAAP gross profit totaled $864.4 million or 64.3% of revenue for the third quarter of 2026, compared to $731.4 million or 60.5% of revenue in the third quarter of 2025.

1 Third quarter 2026 organic revenue was $1.346 billion and excludes $1.7 million of foreign exchange impact and $0.7 million of acquired non-CGM revenue.

Non-GAAP gross profit* totaled $875.3 million or 65.1% of reported revenue for the third quarter of 2026, compared to $741.3 million or 61.3% of reported revenue in the third quarter of 2025.

Operating Income: GAAP operating income for the third quarter of 2026 was $327.2 million or 24.3% of revenue, compared to GAAP operating income of $242.5 million or 20.1% of revenue for the third quarter of 2025.

Non-GAAP operating income* for the third quarter of 2026 was $339.5 million or 25.3% of reported revenue, compared to non-GAAP operating income of $272.9 million or 22.6% of reported revenue for the third quarter of 2025.

Net Income and Diluted Net Income Per Share: GAAP net income was $275.1 million, or $0.72 per diluted share, for the third quarter of 2026, compared to GAAP net income of $283.8 million, or $0.70 per diluted share, for the third quarter of 2025.

Non-GAAP net income* was $275.0 million, or $0.73 per diluted share, for the third quarter of 2026, compared to non-GAAP net income of $242.5 million, or $0.61 per diluted share, for the third quarter of 2025. The third quarter 2026 non-GAAP net income excludes $11.9 million of amortization of intangible assets, $0.4 million of business transition and other significant items, and $12.4 million of tax adjustments.

Cash and Liquidity: As of September 30, 2026, Dexcom held $1.82 billion in cash, cash equivalents and marketable securities and our revolving credit facility remains undrawn. The cash balance represents significant financial and strategic flexibility as Dexcom continues to expand production capacity and explore new market opportunities.

* See Table D below for a reconciliation of these GAAP and non-GAAP financial measures.

Management will hold a conference call today starting at 4:30 p.m. (Eastern Time). The conference call will be concurrently webcast. The link to the webcast will be available on the Dexcom Investor Relations website at investors.dexcom.com by navigating to “Events and Presentations,” and will be archived for future reference. To listen to the conference call, please dial (888) 414-4585 (U.S./Canada) or (646) 960-0331 (International) and use the confirmation ID “9430114” approximately five minutes prior to the start time.

This press release and the accompanying tables include non-GAAP financial measures. For a description of these non-GAAP financial measures, including the reasons management uses each measure, and reconciliations of these non-GAAP financial measures to the most directly comparable financial measures prepared in accordance with generally accepted accounting principles in the United States (GAAP), please see the section titled “About Non-GAAP Financial Measures” below as well as the related Table D. We have not reconciled our organic revenue growth, Non-GAAP Gross Profit Margin, Non-GAAP Operating Margin, and Adjusted EBITDA Margin estimates for fiscal year 2026 because certain items that impact these figures are uncertain or out of our control and cannot be reasonably predicted. Accordingly, reconciliations of our organic revenue growth, Non-GAAP Gross Profit Margin, Non-GAAP Operating Margin and Adjusted EBITDA Margin estimates are not available without unreasonable effort.

Dexcom empowers people to take control of health through innovative biosensing technology. Founded in 1999, Dexcom has pioneered and set the standard in glucose biosensing for more than 25 years. Its technology has transformed how people manage diabetes and track their glucose, helping them feel more in control and live more confidently.

Dexcom. Discover what you’re made of. For more information, visit www.dexcom.com.

This press release contains forward-looking statements that are not purely historical regarding Dexcom’s or its management’s intentions, beliefs, expectations and strategies for the future, including those related to Dexcom’s future operating results and financial position, including estimated Revenue, Non-GAAP Gross Profit Margin, Non-GAAP Operating Margin, and Adjusted EBITDA Margin for fiscal year 2026, and expected growth rates as compared to the year ended December 31, 2025; future expenses and investments; and potential business plans and opportunities. All forward-looking statements included in this press release are made as of the date of this press release, based on information currently available to Dexcom as of the date hereof. Forward-looking statements deal with future events and are therefore subject to various risks and uncertainties. Actual results could differ materially from those anticipated in these forward-looking statements. The risks and uncertainties that may cause actual results to differ materially from Dexcom’s current expectations are more fully described in the sections titled “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Dexcom’s most recently filed periodic reports on Form 10-K and Form 10-Q and subsequent filings filed with the Securities and Exchange Commission. Except as required by law, Dexcom assumes no obligation to update any such forward-looking statement after the date of this communication or to conform these forward- looking statements to actual results.

September 30, 2026 December 31, 2025 ────────────────────────────────────────────────────────────────────────────── Assets Current assets: Cash and cash equivalents $ 961.4 $ 917.7 Short-term marketable 856.5 1,081.0 securities Accounts receivable, net 1,186.2 1,216.1 Inventory 770.7 629.1 Prepaid and other current 141.2 189.4 assets Total current assets 3,916.0 4,033.3 Property and equipment, net 1,543.1 1,559.9 Operating lease 83.7 77.4 right-of-use assets Goodwill 24.0 24.2 Intangibles, net 89.4 70.8 Deferred tax assets 305.4 295.6 Other assets 277.2 278.7 Total assets $ 6,238.8 $ 6,339.9 Liabilities and Stockholders’ Equity Current liabilities: Accounts payable and $ 2,065.6 $ 1,944.0 accrued liabilities Accrued payroll and related 159.7 169.2 expenses Short-term operating lease 20.7 21.6 liabilities Other current liabilities 6.6 7.7 Total current liabilities 2,252.6 2,142.5 Long-term senior 1,243.7 1,240.9 convertible notes Long-term operating lease 77.5 73.4 liabilities Other long-term liabilities 129.6 137.1 Total liabilities 3,703.4 3,593.9 Commitments and contingencies Stockholders’ equity: Preferred stock, $0.001 par value, 5.0 million shares authorized; no shares — — issued and outstanding at September 30, 2026 and December 31, 2025 Common stock, $0.001 par value, 800.0 million shares authorized;412.7 million and 373.0 million shares issued and outstanding, respectively, 0.4 0.4 at September 30, 2026; and 410.7 million and 384.8 million shares issued and outstanding, respectively, at December 31, 2025 Additional paid-in capital 2,425.3 2,281.5 Accumulated other 85.5 115.0 comprehensive income Retained earnings 3,157.6 2,433.9 Treasury stock, at cost; 39.7 million shares at September 30, -3,133.4 -2,084.8 2026 and 25.9 million shares at December 31, 2025 Total stockholders’ equity 2,535.4 2,746.0 Total liabilities and stockholders’ $ 6,238.8 $ 6,339.9 equity

(2) For the three and nine months ended September 30, 2026, business transition and other significant items are primarily related to rent for vacated office space in San Diego, California. For the three and nine months ended September 30, 2025, business transition and other significant items are primarily related to workforce reduction costs associated with organizational realignment and rent for vacated office space in San Diego, California.

(3) We have excluded third-party attorney’s fees, costs, and expenses incurred by Dexcom exclusively in connection with Dexcom’s patent infringement litigation against Abbott Diabetes Care, Inc., as further described in the section titled “Legal Proceedings” in Dexcom’s Annual Report on Form 10-K for the year ended December 31, 2024.

(4) For the three and nine months ended September 30, 2026 and September 30, 2025, tax adjustments are primarily related to the tax effect of non-GAAP adjustments and shortfalls from share-based compensation for employees.

(5) When our senior convertible notes are dilutive on a GAAP or non-GAAP basis, net income used for calculating GAAP and non-GAAP diluted net income per share includes an interest expense add back, net of tax, under the if-converted method. In loss periods, basic and diluted net loss per share are the same since the effect of potential common shares is anti-dilutive and therefore excluded.

(6) The adjustments are for the transition from GAAP diluted net income per share to non-GAAP diluted net income per share due to our senior convertible notes.

(7) The sum of the non-GAAP per share components may not equal the totals due to rounding.

(8) We adjust for the dilutive effect of our senior convertible notes when the effect is not the same on a GAAP and non-GAAP basis for a given period.

The accompanying press release dated October 29, 2026 contains non-GAAP financial measures. These non-GAAP financial measures include organic revenue, non-GAAP gross profit margin, non-GAAP operating income, non-GAAP operating margin, non-GAAP net income, non-GAAP diluted net income per share, and non-GAAP diluted weighted average shares outstanding, as well as Adjusted EBITDA.

We report non-GAAP financial measures in addition to, and not as a substitute for or as superior to, measures of financial performance prepared in accordance with GAAP. We use these non-GAAP financial measures for financial and operational decision making and period-to-period comparisons. We believe that these non-GAAP financial measures provide useful information about operating results, enhance the overall understanding of our operating performance and future prospects, and allow for greater transparency with respect to key metrics used by senior management in our financial and operational decision making. Our non-GAAP financial measures exclude amounts that we do not consider part of ongoing operating results when planning and forecasting and when assessing the performance of the organization and our senior management. While we compute non- GAAP financial measures using a consistent method from quarter to quarter and year to year, we may consider whether other significant items that arise in the future should be excluded from our non-GAAP financial measures.

These non-GAAP financial measures are not based on any comprehensive set of accounting rules or principles, differ from GAAP measures with the same names, and may differ from non-GAAP financial measures with the same or similar names that are used by other companies.

We believe that non-GAAP measures have limitations in that they do not reflect all of the amounts associated with our results of operations as determined in accordance with GAAP and that these financial measures should only be used to evaluate our results of operations in conjunction with the corresponding GAAP financial measures. We encourage investors to carefully consider our results under GAAP, as well as our supplemental non-GAAP information and the reconciliations between these presentations, to more fully understand our business.

Management believes organic revenue is a meaningful metric to investors as it provides a more consistent comparison of Dexcom’s revenue to prior periods as well as to industry peers. We exclude the following items from organic revenue:

• The effect of non-CGM revenue acquired or divested in the trailing twelve months; and

Management believes that the presentation of operating results that exclude these items provides useful supplemental information to investors and facilitates the analysis of our core operating results and comparison of operating results across reporting periods. Management believes that this supplemental non-GAAP information is therefore useful to investors in analyzing and assessing our past and future operating performance.

Table D reconciles the non-GAAP financial measures included in this press release to the most directly comparable financial measures prepared in accordance with GAAP.

Our policy is to exclude the following items from non-GAAP financial measures for non-GAAP gross profit, non-GAAP operating income, non-GAAP operating margin, non-GAAP net income, and non-GAAP diluted net income per share:

• Business transition and related costs associated with acquisition and divestiture, integration and business transition activities, including severance, relocation, consulting, leasehold exit costs, third-party merger and acquisition costs, and other non-recurring significant items;

• Income or loss from equity investments, which includes realized and unrealized gains or losses from marketable and non-marketable equity securities. These amounts may reflect changes in value due to observable price changes or impairments;

• Third-party intellectual property litigation costs in connection with Dexcom’s patent infringement litigation against Abbott Diabetes Care, Inc.;

• Adjustments related to taxes for the excluded items above, as well as excess benefits or tax deficiencies from share-based compensation, and the quarterly impact of other discrete items

Adjusted EBITDA excludes non-cash operating charges for share-based compensation (including equity-related charges associated with severance, restructuring, or other business transition activities), depreciation and amortization as well as non-operating items such as interest income, interest expense, gain or loss on extinguishment of debt, income or loss from equity investments, and income tax expense or benefit. For the reasons explained above, Adjusted EBITDA also excludes business transition and other significant items, litigation settlement costs, and intellectual property litigation costs.

Full text with the tables
                                                                                
  Exhibit 99.1                                                                  
                                                                                
Dexcom Reports Third Quarter 2026 Financial Results

SAN DIEGO - (BUSINESS WIRE-October 29, 2026) - DexCom, Inc. (Nasdaq: DXCM) today
reported its financial results as of and for the quarter ended September 30,
2026.

Third Quarter 2026 Financial Highlights:

• Revenue grew 11% year-over-year to $1.344 billion on a reported basis and 11%
year-over-year on an organic 1 basis.

• U.S. revenue grew 14% and international revenue grew 5% on a reported basis
and 5% on an organic 1 basis, all on a year-over-year basis.

• GAAP operating income of $327.2 million or 24.3% of revenue, an increase of
420 basis points compared to the third quarter of 2025. Non-GAAP operating
income* of $339.5 million or 25.3% of reported revenue, an increase of 270 basis
points compared to the third quarter of 2025.

Third Quarter 2026 Strategic Highlights:

• Subsequent to the quarter, published the CONNECT randomized clinical trial in
The New England Journal of Medicine , showcasing outcomes driven by Dexcom G7
that redefine the standard of care for people with Type 2 diabetes not on
insulin.

• Launched the fully redesigned Stelo experience, with enhanced glucose
insights, simplified meal logging, and more detailed nutritional information.

• Advanced the rollout of the Dexcom G7 15 Day System in the U.S. and secured
first two G7 15 Day international regulatory clearances, positioning for
continued momentum in the transition of the global base to the extended wear
platform.

“This quarter, we continued to build momentum across the business, delivering
strong revenue growth and margin progression, strengthening our clinical
evidence, and advancing key product and operational initiatives,” said Jake
Leach, Dexcom’s president and CEO. “This performance enabled us to again raise
our full-year revenue and operating margin guidance and reinforces our
confidence in our ability to deliver on the long-term objectives we outlined at
Investor Day.”
                                                                                
  2026 Annual Guidance                                                          
                                                                                
Dexcom is raising the midpoint of fiscal year 2026 Revenue guidance, reiterating
fiscal year 2026 Non-GAAP Gross Profit Margin guidance, and increasing fiscal
year 2026 guidance for Non-GAAP Operating Margin and Adjusted EBITDA Margin to
the following levels:

• Revenue of $5.20 - $5.25 billion (approximately 12-13% growth)

• Non-GAAP Gross Profit Margin of approximately 64%

• Non-GAAP Operating Margin of approximately 24%

• Adjusted EBITDA Margin of approximately 32%

The company also announced a share repurchase authorization of up to $1.0
billion in conjunction with third quarter results.
                                                                                
  Third Quarter 2026 Financial Results                                          
                                                                                
Revenue: In the third quarter of 2026, worldwide revenue grew 11% to $1.344
billion on a reported basis, up from $1.209 billion in the third quarter of
2025.

Gross Profit: GAAP gross profit totaled $864.4 million or 64.3% of revenue for
the third quarter of 2026, compared to $731.4 million or 60.5% of revenue in the
third quarter of 2025.

1 Third quarter 2026 organic revenue was $1.346 billion and excludes $1.7
million of foreign exchange impact and $0.7 million of acquired non-CGM revenue.

Non-GAAP gross profit* totaled $875.3 million or 65.1% of reported revenue for
the third quarter of 2026, compared to $741.3 million or 61.3% of reported
revenue in the third quarter of 2025.

Operating Income: GAAP operating income for the third quarter of 2026 was $327.2
million or 24.3% of revenue, compared to GAAP operating income of $242.5 million
or 20.1% of revenue for the third quarter of 2025.

Non-GAAP operating income* for the third quarter of 2026 was $339.5 million or
25.3% of reported revenue, compared to non-GAAP operating income of $272.9
million or 22.6% of reported revenue for the third quarter of 2025.

Net Income and Diluted Net Income Per Share: GAAP net income was $275.1 million,
or $0.72 per diluted share, for the third quarter of 2026, compared to GAAP net
income of $283.8 million, or $0.70 per diluted share, for the third quarter of
2025.

Non-GAAP net income* was $275.0 million, or $0.73 per diluted share, for the
third quarter of 2026, compared to non-GAAP net income of $242.5 million, or
$0.61 per diluted share, for the third quarter of 2025. The third quarter 2026
non-GAAP net income excludes $11.9 million of amortization of intangible assets,
$0.4 million of business transition and other significant items, and $12.4
million of tax adjustments.

Cash and Liquidity: As of September 30, 2026, Dexcom held $1.82 billion in cash,
cash equivalents and marketable securities and our revolving credit facility
remains undrawn. The cash balance represents significant financial and strategic
flexibility as Dexcom continues to expand production capacity and explore new
market opportunities.

* See Table D below for a reconciliation of these GAAP and non-GAAP financial
measures.
                                                                                
  Conference Call                                                               
                                                                                
Management will hold a conference call today starting at 4:30 p.m. (Eastern
Time). The conference call will be concurrently webcast. The link to the webcast
will be available on the Dexcom Investor Relations website at
investors.dexcom.com by navigating to “Events and Presentations,” and will be
archived for future reference. To listen to the conference call, please dial
(888) 414-4585 (U.S./Canada) or (646) 960-0331 (International) and use the
confirmation ID “9430114” approximately five minutes prior to the start time.

Statement Regarding Use of Non-GAAP Financial Measures

This press release and the accompanying tables include non-GAAP financial
measures. For a description of these non-GAAP financial measures, including the
reasons management uses each measure, and reconciliations of these non-GAAP
financial measures to the most directly comparable financial measures prepared
in accordance with generally accepted accounting principles in the United States
(GAAP), please see the section titled “About Non-GAAP Financial Measures” below
as well as the related Table D. We have not reconciled our organic revenue
growth, Non-GAAP Gross Profit Margin, Non-GAAP Operating Margin, and Adjusted
EBITDA Margin estimates for fiscal year 2026 because certain items that impact
these figures are uncertain or out of our control and cannot be reasonably
predicted. Accordingly, reconciliations of our organic revenue growth, Non-GAAP
Gross Profit Margin, Non-GAAP Operating Margin and Adjusted EBITDA Margin
estimates are not available without unreasonable effort.
                                                                                
  About DexCom, Inc.                                                            
                                                                                
Dexcom empowers people to take control of health through innovative biosensing
technology. Founded in 1999, Dexcom has pioneered and set the standard in
glucose biosensing for more than 25 years. Its technology has transformed how
people manage diabetes and track their glucose, helping them feel more in
control and live more confidently.

Dexcom. Discover what you’re made of. For more information, visit
www.dexcom.com.

Category: IR

Cautionary Statement Regarding Forward Looking Statements

This press release contains forward-looking statements that are not purely
historical regarding Dexcom’s or its management’s intentions, beliefs,
expectations and strategies for the future, including those related to Dexcom’s
future operating results and financial position, including estimated Revenue,
Non-GAAP Gross Profit Margin, Non-GAAP Operating Margin, and Adjusted EBITDA
Margin for fiscal year 2026, and expected growth rates as compared to the year
ended December 31, 2025; future expenses and investments; and potential business
plans and opportunities. All forward-looking statements included in this press
release are made as of the date of this press release, based on information
currently available to Dexcom as of the date hereof. Forward-looking statements
deal with future events and are therefore subject to various risks and
uncertainties. Actual results could differ materially from those anticipated in
these forward-looking statements. The risks and uncertainties that may cause
actual results to differ materially from Dexcom’s current expectations are more
fully described in the sections titled “Risk Factors” and “Management’s
Discussion and Analysis of Financial Condition and Results of Operations” in
Dexcom’s most recently filed periodic reports on Form 10-K and Form 10-Q and
subsequent filings filed with the Securities and Exchange Commission. Except as
required by law, Dexcom assumes no obligation to update any such forward-looking
statement after the date of this communication or to conform these forward-
looking statements to actual results.

INVESTOR RELATIONS CONTACT:

Sean Christensen

Senior Vice President - Finance and Investor Relations

investor-relations@dexcom.com

(858) 203-6657

MEDIA CONTACT:

mediarelations@dexcom.com
                                                                                
                                  DexCom, Inc.                                  
                                                                                
                                                                                
                                    Table A                                     
                                                                                
                                                                                
                          Consolidated Balance Sheets                           
                                                                                
                                       (                                        
                                                                                
                      In millions, except par value data)                       
                                                                                
                                  (Unaudited)                                   
                                                                                
                                    September 30, 2026       December 31, 2025  
 ────────────────────────────────────────────────────────────────────────────── 
  Assets                                                                        
  Current assets:                                                               
  Cash and cash equivalents      $               961.4    $              917.7  
  Short-term marketable                          856.5                 1,081.0  
  securities                                                                    
  Accounts receivable, net                     1,186.2                 1,216.1  
  Inventory                                      770.7                   629.1  
  Prepaid and other current                      141.2                   189.4  
  assets                                                                        
  Total current assets                         3,916.0                 4,033.3  
  Property and equipment, net                  1,543.1                 1,559.9  
  Operating lease                                 83.7                    77.4  
  right-of-use assets                                                           
  Goodwill                                        24.0                    24.2  
  Intangibles, net                                89.4                    70.8  
  Deferred tax assets                            305.4                   295.6  
  Other assets                                   277.2                   278.7  
  Total assets                   $             6,238.8    $            6,339.9  
  Liabilities and                                                               
  Stockholders’ Equity                                                          
  Current liabilities:                                                          
  Accounts payable and           $             2,065.6    $            1,944.0  
  accrued liabilities                                                           
  Accrued payroll and related                    159.7                   169.2  
  expenses                                                                      
  Short-term operating lease                      20.7                    21.6  
  liabilities                                                                   
  Other current liabilities                        6.6                     7.7  
  Total current liabilities                    2,252.6                 2,142.5  
  Long-term senior                             1,243.7                 1,240.9  
  convertible notes                                                             
  Long-term operating lease                       77.5                    73.4  
  liabilities                                                                   
  Other long-term liabilities                    129.6                   137.1  
  Total liabilities                            3,703.4                 3,593.9  
  Commitments and                                                               
  contingencies                                                                 
  Stockholders’ equity:                                                         
  Preferred stock, $0.001 par                                                   
  value, 5.0                                                                    
  million shares authorized;                                                    
  no shares                                          —                       —  
  issued and outstanding at                                                     
  September 30,                                                                 
  2026 and December 31, 2025                                                    
  Common stock, $0.001 par                                                      
  value, 800.0                                                                  
  million shares                                                                
  authorized;412.7 million                                                      
  and 373.0 million shares                                                      
  issued and                                                                    
  outstanding, respectively,                       0.4                     0.4  
  at September                                                                  
  30, 2026; and 410.7 million                                                   
  and 384.8                                                                     
  million shares issued and                                                     
  outstanding,                                                                  
  respectively, at December                                                     
  31, 2025                                                                      
  Additional paid-in capital                   2,425.3                 2,281.5  
  Accumulated other                               85.5                   115.0  
  comprehensive income                                                          
  Retained earnings                            3,157.6                 2,433.9  
  Treasury stock, at cost;                                                      
  39.7 million                                                                  
  shares at September 30,                     -3,133.4                -2,084.8  
  2026 and 25.9                                                                 
  million shares at December                                                    
  31, 2025                                                                      
  Total stockholders’ equity                   2,535.4                 2,746.0  
  Total liabilities and                                                         
  stockholders’                  $             6,238.8    $            6,339.9  
  equity                                                                        
                                                                                
                                                                                
                                  DexCom, Inc.                                  
                                                                                
                                                                                
                                    Table B                                     
                                                                                
                                                                                
                     Consolidated Statements of Operations                      
                                                                                
                      (In millions, except per share data)                      
                                                                                
                                  (Unaudited)                                   
                                                                                
                     Three                               Nine                   
                    Months                             Months                   
                     Ended                              Ended                   
                   Septem…                           Septemb…                   
             2026      30,    2025             2026       30,    2025           
 ────────────────────────────────────────────────────────────────────────────── 
  Revenue    $     1,344.5    $     1,209.3    $      3,844.8    $     3,402.4  
  Cost of            480.1            477.9           1,400.1          1,393.2  
  sales                                                                         
  Gross              864.4            731.4           2,444.7          2,009.2  
  profit                                                                        
  Operat…                                                                       
  expens…                                                                       
  Resear…                                                                       
  and                161.6            157.5             459.9            450.9  
  develo…                                                                       
  Sellin…                                                                       
  general            375.6            331.4           1,084.0            969.5  
  and                                                                           
  admini…                                                                       
  Total                                                                         
  operat…            537.2            488.9           1,543.9          1,420.4  
  expens…                                                                       
  Operat…            327.2            242.5             900.8            588.8  
  income                                                                        
  Other                                                                         
  income,              7.5            109.8              20.9            158.9  
  net                                                                           
  Income                                                                        
  before             334.7            352.3             921.7            747.7  
  income                                                                        
  taxes                                                                         
  Income                                                                        
  tax                 59.6             68.5             198.0            178.7  
  expense                                                                       
  Net        $       275.1    $       283.8    $        723.7    $       569.0  
  income                                                                        
  Basic                                                                         
  net                                                                           
  income     $        0.73    $        0.73    $         1.90    $        1.45  
  per                                                                           
  share                                                                         
  Shares                                                                        
  used to                                                                       
  compute                                                                       
  basic              374.7            391.1             380.6            391.4  
  net                                                                           
  income                                                                        
  per                                                                           
  share                                                                         
  Diluted                                                                       
  net                                                                           
  income     $        0.72    $        0.70    $         1.87    $        1.42  
  per                                                                           
  share                                                                         
  Shares                                                                        
  used to                                                                       
  compute                                                                       
  diluted            383.5            407.4             389.0            407.7  
  net                                                                           
  income                                                                        
  per                                                                           
  share                                                                         
                                                                                
                                                                                
                                  DexCom, Inc.                                  
                                                                                
                                                                                
                                    Table C                                     
                                                                                
            Revenue by Customer Sales Channel and Geographic Region             
                                                                                
                             (Dollars in millions)                              
                                                                                
                                  (Unaudited)                                   
                                                                                
        Th…                                                                     
        Mo…                                                                     
        En…                                                                     
        Se…                                                                     
  2…    30,                                                                     
  (…    Un…                                      U…                             
  m…    St…         In…        To…        20…    S…         I…         T…       
 ────────────────────────────────────────────────────────────────────────────── 
  D…    $    93…    $    2…    $    1…           $   81…    $   20…    $   1,…  
  D…         36…         1…         1…               33…        14…        18…  
  T…    $    96…    $    3…    $    1…           $   85…    $   35…    $   1,…  
  r…                                                                            
                                                                                
                                                                                
        Ni…                                                                     
        Mo…                                                                     
        En…                                                                     
        Se…                                                                     
  2…    30,                                                                     
  (…    Un…                                      U…                             
  m…    St…         In…        To…        20…    S…         I…         T…       
 ────────────────────────────────────────────────────────────────────────────── 
  D…    $    2,…    $    6…    $    3…           $   2,…    $   54…    $   2,…  
  D…         11…         4…         5…               10…        41…        51…  
  T…    $    2,…    $    1…    $    3…           $   2,…    $   95…    $   3,…  
  r…                                                                            
                                                                                
                                                                                
                                  DexCom, Inc.                                  
                                                                                
                                                                                
                                    Table D                                     
                                                                                
      Itemized Reconciliation Between GAAP and Non-GAAP Financial Measures      
                                                                                
                      (In millions, except per share data)                      
                                                                                
                                  (Unaudited)                                   
                                                                                
                       Three                             Nine                   
                      Months                           Months                   
                       Ended                            Ended                   
                   September                         Septemb…                   
             2026        30,    2025           2026       30,    2025           
 ────────────────────────────────────────────────────────────────────────────── 
  GAAP                                                                          
  gross      $         864.4    $     731.4    $      2,444.7    $     2,009.2  
  profit                                                                        
  Amorti…                                                                       
  of                    10.9            7.1              26.5             21.4  
  intang…                                                                       
  assets…                                                                       
  Busine…                                                                       
  transi…                                                                       
  and                      —            2.8                 —              2.8  
  other                                                                         
  signif…                                                                       
  items(…                                                                       
  Non-GA…                                                                       
  gross      $         875.3    $     741.3    $      2,471.2    $     2,033.4  
  profit                                                                        
  GAAP                                                                          
  operat…    $         327.2    $     242.5    $        900.8    $       588.8  
  income                                                                        
  Amorti…                                                                       
  of                    11.9            8.0              29.3             23.8  
  intang…                                                                       
  assets…                                                                       
  Busine…                                                                       
  transi…                                                                       
  and                    0.4           22.7               2.1             24.8  
  other                                                                         
  signif…                                                                       
  items(…                                                                       
  Intell…                                                                       
  proper…                  —           -0.3                 —              0.4  
  litiga…                                                                       
  costs(…                                                                       
  Non-GA…                                                                       
  operat…    $         339.5    $     272.9    $        932.2    $       637.8  
  income                                                                        
  GAAP                                                                          
  net        $         275.1    $     283.8    $        723.7    $       569.0  
  income                                                                        
  Busine…                                                                       
  transi…                                                                       
  and                    0.4           18.4               1.9             20.3  
  other                                                                         
  signif…                                                                       
  items(…                                                                       
  Deprec…                                                                       
  and                   74.5           63.6             209.8            186.6  
  amorti…                                                                       
  Intell…                                                                       
  proper…                  —           -0.3                 —              0.4  
  litiga…                                                                       
  costs(…                                                                       
  (Incom…                                                                       
  loss                                                                          
  from                     —          -82.7              10.0            -78.1  
  equity                                                                        
  invest…                                                                       
  Share-…               36.8           45.1             119.1            124.6  
  compen…                                                                       
  Intere…                                                                       
  expense                                                                       
  and                  -11.2          -28.0             -41.5            -75.1  
  intere…                                                                       
  income                                                                        
  Income                                                                        
  tax                   59.6           68.5             198.0            178.7  
  expense                                                                       
  Adjust…    $         435.2    $     368.4    $      1,221.0    $       926.4  
  EBITDA                                                                        
  GAAP                                                                          
  net        $         275.1    $     283.8    $        723.7    $       569.0  
  income                                                                        
  Amorti…                                                                       
  of                    11.9            8.0              29.3             23.8  
  intang…                                                                       
  assets…                                                                       
  Busine…                                                                       
  transi…                                                                       
  and                    0.4           22.7               2.1             24.8  
  other                                                                         
  signif…                                                                       
  items(…                                                                       
  Intell…                                                                       
  proper…                  —           -0.3                 —              0.4  
  litiga…                                                                       
  costs(…                                                                       
  (Incom…                                                                       
  loss                                                                          
  from                     —          -82.7              10.0            -78.1  
  equity                                                                        
  invest…                                                                       
  Adjust…                                                                       
  related              -12.4           11.0              -4.7             23.1  
  to                                                                            
  taxes(…                                                                       
  Non-GA…                                                                       
  net        $         275.0    $     242.5    $        760.4    $       563.0  
  income                                                                        
                                                                                
                                                                                
                                  DexCom, Inc.                                  
                                                                                
                                                                                
                              Table D (Continued)                               
                                                                                
      Itemized Reconciliation Between GAAP and Non-GAAP Financial Measures      
                                                                                
                      (In millions, except per share data)                      
                                                                                
                                  (Unaudited)                                   
                                                                                
                        Three                              Nine                 
                       Months                            Months                 
                        Ended                             Ended                 
                    September                         September                 
              2026        30,    2025           2026        30,    2025         
 ────────────────────────────────────────────────────────────────────────────── 
  GAAP net    $         275.1    $     283.8    $         723.7    $     569.0  
  income                                                                        
  Interest                                                                      
  expense                                                                       
  on                                                                            
  senior                  1.6            2.8                4.9            8.6  
  convert…                                                                      
  notes,                                                                        
  net of                                                                        
  tax                                                                           
  GAAP net                                                                      
  income                                                                        
  used for    $         276.7    $     286.6    $         728.6    $     577.6  
  diluted                                                                       
  EPS,                                                                          
  if-conv…                                                                      
  Non-GAAP                                                                      
  net         $         275.0    $     242.5    $         760.4    $     563.0  
  income                                                                        
  Interest                                                                      
  expense                                                                       
  on                                                                            
  senior                    —            1.2                  —            3.7  
  convert…                                                                      
  notes,                                                                        
  net of                                                                        
  tax                                                                           
  Non-GAAP                                                                      
  net                                                                           
  income                                                                        
  used for    $         275.0    $     243.7    $         760.4    $     566.7  
  diluted                                                                       
  EPS,                                                                          
  if-conv…                                                                      
  GAAP                                                                          
  diluted                                                                       
  net         $          0.72    $      0.70    $          1.87    $      1.42  
  income                                                                        
  per                                                                           
  share(5)                                                                      
  Amortiz…                                                                      
  of                     0.03           0.02               0.08           0.06  
  intangi…                                                                      
  assets(…                                                                      
  Business                                                                      
  transit…                                                                      
  and                       —           0.06               0.01           0.06  
  other                                                                         
  signifi…                                                                      
  items(2)                                                                      
  Intelle…                                                                      
  property                  —              —                  —              —  
  litigat…                                                                      
  costs(3)                                                                      
  (Income)                                                                      
  loss                                                                          
  from                      —          -0.21               0.03          -0.20  
  equity                                                                        
  investm…                                                                      
  Adjustm…                                                                      
  related               -0.03           0.03              -0.01           0.06  
  to                                                                            
  taxes(4)                                                                      
  Impact                                                                        
  of                                                                            
  adjustm…               0.01           0.01               0.02           0.01  
  to GAAP                                                                       
  diluted                                                                       
  shares(…                                                                      
  Non-GAAP                                                                      
  diluted                                                                       
  net                                                                           
  income      $          0.73    $      0.61    $          1.99    $      1.42  
  per                                                                           
  share(5)                                                                      
  (7)                                                                           
  GAAP                                                                          
  diluted                                                                       
  weighte…              383.5          407.4              389.0          407.7  
  shares                                                                        
  outstan…                                                                      
  Non-GAAP                                                                      
  diluted                                                                       
  weighte…              375.8          399.7              381.3          400.0  
  shares                                                                        
  outstan…                                                                      
  Reconci…                                                                      
  of                                                                            
  non-GAAP                                                                      
  diluted                                                                       
  weighte…                                                                      
  shares                                                                        
  outstan…                                                                      
  GAAP                                                                          
  diluted                                                                       
  weighte…              383.5          407.4              389.0          407.7  
  shares                                                                        
  outstan…                                                                      
  Adjustm…                                                                      
  for                                                                           
  dilutive                                                                      
  impact                                                                        
  of                     -7.7           -7.7               -7.7           -7.7  
  senior                                                                        
  convert…                                                                      
  notes                                                                         
  due                                                                           
  2028(8)                                                                       
  Non-GAAP                                                                      
  diluted                                                                       
  weighte…              375.8          399.7              381.3          400.0  
  shares                                                                        
  outstan…                                                                      
                                                                                
(1) Represents amortization of acquired intangible assets.

(2) For the three and nine months ended September 30, 2026, business transition
and other significant items are primarily related to rent for vacated office
space in San Diego, California. For the three and nine months ended September
30, 2025, business transition and other significant items are primarily related
to workforce reduction costs associated with organizational realignment and rent
for vacated office space in San Diego, California.

(3) We have excluded third-party attorney’s fees, costs, and expenses incurred
by Dexcom exclusively in connection with Dexcom’s patent infringement litigation
against Abbott Diabetes Care, Inc., as further described in the section titled
“Legal Proceedings” in Dexcom’s Annual Report on Form 10-K for the year ended
December 31, 2024.

(4) For the three and nine months ended September 30, 2026 and September 30,
2025, tax adjustments are primarily related to the tax effect of non-GAAP
adjustments and shortfalls from share-based compensation for employees.

(5) When our senior convertible notes are dilutive on a GAAP or non-GAAP basis,
net income used for calculating GAAP and non-GAAP diluted net income per share
includes an interest expense add back, net of tax, under the if-converted
method. In loss periods, basic and diluted net loss per share are the same since
the effect of potential common shares is anti-dilutive and therefore excluded.

(6) The adjustments are for the transition from GAAP diluted net income per
share to non-GAAP diluted net income per share due to our senior convertible
notes.

(7) The sum of the non-GAAP per share components may not equal the totals due to
rounding.

(8) We adjust for the dilutive effect of our senior convertible notes when the
effect is not the same on a GAAP and non-GAAP basis for a given period.
                                                                                
                       ABOUT NON-GAAP FINANCIAL MEASURES                        
                                                                                
The accompanying press release dated October 29, 2026 contains non-GAAP
financial measures. These non-GAAP financial measures include organic revenue,
non-GAAP gross profit margin, non-GAAP operating income, non-GAAP operating
margin, non-GAAP net income, non-GAAP diluted net income per share, and non-GAAP
diluted weighted average shares outstanding, as well as Adjusted EBITDA.

We report non-GAAP financial measures in addition to, and not as a substitute
for or as superior to, measures of financial performance prepared in accordance
with GAAP. We use these non-GAAP financial measures for financial and
operational decision making and period-to-period comparisons. We believe that
these non-GAAP financial measures provide useful information about operating
results, enhance the overall understanding of our operating performance and
future prospects, and allow for greater transparency with respect to key metrics
used by senior management in our financial and operational decision making. Our
non-GAAP financial measures exclude amounts that we do not consider part of
ongoing operating results when planning and forecasting and when assessing the
performance of the organization and our senior management. While we compute non-
GAAP financial measures using a consistent method from quarter to quarter and
year to year, we may consider whether other significant items that arise in the
future should be excluded from our non-GAAP financial measures.

These non-GAAP financial measures are not based on any comprehensive set of
accounting rules or principles, differ from GAAP measures with the same names,
and may differ from non-GAAP financial measures with the same or similar names
that are used by other companies.

We believe that non-GAAP measures have limitations in that they do not reflect
all of the amounts associated with our results of operations as determined in
accordance with GAAP and that these financial measures should only be used to
evaluate our results of operations in conjunction with the corresponding GAAP
financial measures. We encourage investors to carefully consider our results
under GAAP, as well as our supplemental non-GAAP information and the
reconciliations between these presentations, to more fully understand our
business.

Management believes organic revenue is a meaningful metric to investors as it
provides a more consistent comparison of Dexcom’s revenue to prior periods as
well as to industry peers. We exclude the following items from organic revenue:

• The effect of non-CGM revenue acquired or divested in the trailing twelve
months; and

• The effect of foreign currency fluctuations

Management believes that the presentation of operating results that exclude
these items provides useful supplemental information to investors and
facilitates the analysis of our core operating results and comparison of
operating results across reporting periods. Management believes that this
supplemental non-GAAP information is therefore useful to investors in analyzing
and assessing our past and future operating performance.

Table D reconciles the non-GAAP financial measures included in this press
release to the most directly comparable financial measures prepared in
accordance with GAAP.

Our policy is to exclude the following items from non-GAAP financial measures
for non-GAAP gross profit, non-GAAP operating income, non-GAAP operating margin,
non-GAAP net income, and non-GAAP diluted net income per share:

• Amortization of acquired intangible assets;

• Business transition and related costs associated with acquisition and
divestiture, integration and business transition activities, including
severance, relocation, consulting, leasehold exit costs, third-party merger and
acquisition costs, and other non-recurring significant items;

• Income or loss from equity investments, which includes realized and unrealized
gains or losses from marketable and non-marketable equity securities. These
amounts may reflect changes in value due to observable price changes or
impairments;

• Third-party intellectual property litigation costs in connection with Dexcom’s
patent infringement litigation against Abbott Diabetes Care, Inc.;

• Litigation settlement costs;

• Gain or loss on extinguishment of debt; and

• Adjustments related to taxes for the excluded items above, as well as excess
benefits or tax deficiencies from share-based compensation, and the quarterly
impact of other discrete items

Adjusted EBITDA excludes non-cash operating charges for share-based compensation
(including equity-related charges associated with severance, restructuring, or
other business transition activities), depreciation and amortization as well as
non-operating items such as interest income, interest expense, gain or loss on
extinguishment of debt, income or loss from equity investments, and income tax
expense or benefit. For the reasons explained above, Adjusted EBITDA also
excludes business transition and other significant items, litigation settlement
costs, and intellectual property litigation costs.
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