FFIVF5, Inc.

Technology · Networking Equipment · Nasdaq

F5 is a multicloud application delivery and security provider committed to bringing a better digital world to life. 10-K, Item 1

Employees: 6,578
Headquarters: Seattle, WA
CEO: Francois Locoh-Donou
Next results: around Jan 26, 2027

Compare with peers → Embed

Key numbers

Latest fiscal year, with ten years behind each

RevenueFY2016–25 $3.1B+9.7% Highest in 10 years 10-K FY2025 · XBRL Net incomeFY2016–25 $692.4M+22.2% Highest in 10 years 10-K FY2025 · XBRL Free cash flowFY2016–25 $906.4M+18.9% Highest in 10 years 10-K FY2025 · XBRL Operating marginFY2016–25 24.8%+1.4 pts 27.4% in FY2016 10-K FY2025 · XBRL

What changed

10-K filed Nov 25, 2025 against Nov 18, 2024

Area	What changed	Source
Risk factors	7 new paragraphs, nothing like them in the previous 10-K	10-K Item 1A
Accounting checks	11 other checks clear	10-K · XBRL
Insiders	No open-market buys in the last 90 days	Form 4
Filings	1 in the last 30 days	EDGAR

Each row opens the detail with the quote and the filing. A row is a change worth reading, not a verdict.

What's new, in their words

10-K filed Nov 25, 2025

Paragraphs in Risk Factors that were not in the 10-K filed 2024-11-18. Quoted as filed.

The Cyber Incident has had and may continue to have an adverse effect on our business, reputation, customer, employee and partner relations, results of operations, financial condition and cash flows The Cyber Incident may harm our reputation, our customers, employee and partner relations and our operations and business. Customers may in…
10-K, Item 1A

All 7 new paragraphs →

Accounting checks

latest 10-K

11 of 11 clear 0 worth a look. Checks, not verdicts.

✓
Receivables +6.5% vs revenue +9.7% (-3.1 pts)
✓
Cash from operations $949.7M vs net income $692.4M (FY ending 2025-09-30)
✓
Inventory +1.1% vs revenue +9.7% (-8.5 pts)
✓
Same auditor in both 10-Ks: PricewaterhouseCoopers LLP
✓
No statement of substantial doubt about going concern
✓
No 8-K item 4.02 in the last 2 years
✓
No NT 10-K or NT 10-Q in the last 2 years
✓
The same matters as last year: Revenue Recognition for Certain Products and Services
✓
No sentence in the 10-K concludes that controls were not effective because of a material weakness
✓
No 8-K item 2.06 in the last 2 years
✓
No 8-K item 1.03 in the last 2 years

How each check works, with sources →

In the last 30 days

All filings →

Oct 27, 20268-K Quarterly results, Other events 8-K items 2.02, 8.01

About F5, Inc.

10-K, Nov 25, 2025

F5 is a multicloud application delivery and security provider committed to bringing a better digital world to life. F5 partners with the world’s largest, most advanced organizations to optimize and secure every application and Application Programming Interface ("API") anywhere, including on-premises, in the cloud, and at the network edge. F5 enables businesses to continuously stay ahead of threats while delivering exceptional, secure digital experiences for their customers.

Headquarters: Seattle, WA
Country: United States
Reports in: USD
Listed on: Nasdaq
Fiscal year ends: September 30
Last results: Oct 27, 2026
Incorporated in: WA

Employees, at the top of the page: "As of September 30, 2025, we had 6,578 employees - over 99% of whom were full-time employees" (10-K). Address and exchange: SEC's company file.

Permanent link, kept if the ticker changes: /c/sec:0001048695 (SEC's CIK).

Get an email when this changes: new risk paragraphs, accounting items, insider purchases, a new 10-K or 10-Q. RSS feed

Work on FFIV in a spreadsheet: Excel workbook (a sheet per section, ten years by column, charts, links to the filings) · CSV. For a Google Sheet that stays up to date, paste =IMPORTDATA("https://tickdelta.com/company/FFIV/export.csv") into a cell.