Screener / SEC EDGAR /CIK 0001063761 /10-K filed Feb 25, 2026, compared with Feb 21, 2025 /Numbers from the XBRL of the 10-Ks

NYSE Real estate · REIT

Simon Property Group SPG

New risk paragraphs 7 Not in last year's 10-K Accounting checks 2 worth reading about, of 9 checks Insider buys 11 open-market, last 90 days Filings 2 in the last 30 days

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Filings with the SEC since Dec 16, 2014

991 filings, 2 in the last 30 days

SEC filing index

Latest annual report Feb 25, 2026 10-K, period to Dec 31, 2025 Latest quarterly report Nov 6, 2026 10-Q, period to Sep 30, 2026 Latest current report Nov 5, 2026 8-K: Quarterly results, Regulation FD disclosure

Filed in the last 30 days 2 of 991 in all

What the 8-Ks said

1 event in the last 3 years: the officer, auditor, restatement, cyber, restructuring, listing, impairment and debt items. One line each, the filing's own words.

CEO, CFO, COO or CAO: 1 (item 5.02)Auditor change: 0 (item 4.01)Not to be relied on: 0 (item 4.02)Cybersecurity: 0 (item 1.05)Restructuring: 0 (item 2.05)Listing notice: 0 (item 3.01)Impairment: 0 (item 2.06)Debt trigger: 0 (item 2.04)

Mar 24, 2026 CEO, CFO, COO or CAOCEO change “Effective March 23, 2026, the Board of Directors (the “Board”) appointed Eli Simon, age 38, to serve as Chief Executive Officer and President of the Company.” 8-K item 5.02 · all documents

From the SEC filing index and the text of each 8-K. A line appears only when the 8-K names one of these items; for item 5.02 only a move of the CEO, CFO, COO or chief accounting officer. Older 8-Ks may have no text downloaded, so they show no quote.

Late filings, 8-K notices and going concern

None found in the last 2 years

All checks

Late filing notices (NT 10-K, NT 10-Q)

No notice in the last 2 years.
8-K notices: listing, impairment, debt trigger

No item 3.01, 2.06 or 2.04 in the last 2 years.
Going-concern language in the 10-K

No statement of substantial doubt in the latest 10-K.

Source: 10-K 0001104659-26-019419 (filed Feb 25, 2026): full text searched

Facts to read in the filing, not a verdict: many companies with one of these carry on normally, and a company with neither can still have problems.

Every filing on one line

Each mark is a filing or an event in one; the bigger square is a 10-K. Hover for what it is, click to open it.

Annual report (10-K)Quarterly report (10-Q)Current report (8-K)Auditor changeCEO, CFO, COO or CAO changeRestatementLate filing noticeInsider purchaseCluster buy (3+ insiders)SEC comment letterShare offering (S-3, 424B)Planned insider sale (Form 144, 10b5-1)

202420252026

All 69 events

Nov 6, 2026 10-Q Quarterly report (10-Q)period ended Sep 30, 2026
Nov 5, 2026 8-K Quarterly results, Regulation FD disclosure8-K items 2.02, 7.01
Oct 1, 2026 Buy LEWIS RANDALL J (Director) bought $13Kopen-market purchase on Sep 30, 2026
Oct 1, 2026 Buy GLASSCOCK LARRY C (Director) bought $74Kopen-market purchase on Sep 30, 2026
Oct 1, 2026 Buy RODKIN GARY M (Director) bought $47Kopen-market purchase on Sep 30, 2026
Oct 1, 2026 Buy LEIBOWITZ REUBEN S (Director) bought $97Kopen-market purchase on Sep 30, 2026
Oct 1, 2026 Buy STEWART MARTA R (Director) bought $40Kopen-market purchase on Sep 30, 2026
Oct 1, 2026 Buy Aeppel Glyn (Director) bought $45Kopen-market purchase on Sep 30, 2026
Oct 1, 2026 Buy Smith Daniel C. (Director) bought $71Kopen-market purchase on Sep 30, 2026
Oct 1, 2026 Buy SELIG STEFAN M (Director) bought $42Kopen-market purchase on Sep 30, 2026
Oct 1, 2026 Buy Roe Peggy (Director) bought $18Kopen-market purchase on Sep 30, 2026
Oct 1, 2026 Buy Jones Nina P (Director) bought $9Kopen-market purchase on Sep 30, 2026
Oct 1, 2026 Buy Cicco Martin J (Director) bought $3Kopen-market purchase on Sep 30, 2026
Oct 1, 2026 Cluster buy Cluster buy: 11 insiders bought $461KSep 30, 2026 to Sep 30, 2026: LEIBOWITZ REUBEN S, GLASSCOCK LARRY C, Smith Daniel C., RODKIN GARY M, Aeppel Glyn
Aug 10, 2026 8-K Quarterly results, Regulation FD disclosure8-K items 2.02, 7.01
Aug 10, 2026 10-Q Quarterly report (10-Q)period ended Jun 30, 2026
Jul 1, 2026 Buy LEWIS RANDALL J (Director) bought $14Kopen-market purchase on Jun 30, 2026
Jul 1, 2026 Buy GLASSCOCK LARRY C (Director) bought $89Kopen-market purchase on Jun 30, 2026
Jul 1, 2026 Buy RODKIN GARY M (Director) bought $57Kopen-market purchase on Jun 30, 2026
Jul 1, 2026 Buy LEIBOWITZ REUBEN S (Director) bought $113Kopen-market purchase on Jun 30, 2026
Jul 1, 2026 Buy STEWART MARTA R (Director) bought $41Kopen-market purchase on Jun 30, 2026
Jul 1, 2026 Buy Aeppel Glyn (Director) bought $54Kopen-market purchase on Jun 30, 2026
Jul 1, 2026 Buy Smith Daniel C. (Director) bought $83Kopen-market purchase on Jun 30, 2026
Jul 1, 2026 Buy SELIG STEFAN M (Director) bought $49Kopen-market purchase on Jun 30, 2026
Jul 1, 2026 Buy Roe Peggy (Director) bought $20Kopen-market purchase on Jun 30, 2026
Jul 1, 2026 Buy Jones Nina P (Director) bought $10Kopen-market purchase on Jun 30, 2026
Jul 1, 2026 Buy Cicco Martin J (Director) bought $3Kopen-market purchase on Jun 30, 2026
Jul 1, 2026 Cluster buy Cluster buy: 11 insiders bought $533KJun 30, 2026 to Jun 30, 2026: LEIBOWITZ REUBEN S, GLASSCOCK LARRY C, Smith Daniel C., RODKIN GARY M, Aeppel Glyn
May 15, 2026 8-K Director or officer change (amended)8-K item 5.02
May 15, 2026 8-K Director or officer change (amended)8-K item 5.02
May 15, 2026 8-K Shareholder vote results8-K item 5.07
May 11, 2026 8-K Quarterly results, Regulation FD disclosure8-K items 2.02, 7.01
May 11, 2026 10-Q Quarterly report (10-Q)period ended Mar 31, 2026
Mar 24, 2026 Officer CEO changeEffective March 23, 2026, the Board of Directors (the “Board”) appointed Eli Simon, age 38, to serve as Chief Executive Officer and President of the Company.
Mar 5, 2026 8-K Material agreement signed, New debt or obligation8-K items 1.01, 2.03
Feb 25, 2026 Planned sale John Rulli (Officer) gave notice of a planned sale of 10,000 shares worth about $2.0MForm 144, approximate sale date Feb 25, 2026
Feb 25, 2026 10-K Annual report (10-K)period ended Dec 31, 2025
Feb 5, 2026 8-K Director or officer change8-K item 5.02
Feb 5, 2026 8-K Other events8-K item 8.01
Feb 2, 2026 8-K Quarterly results, Regulation FD disclosure8-K items 2.02, 7.01
Nov 6, 2025 10-Q Quarterly report (10-Q)period ended Sep 30, 2025
Nov 3, 2025 8-K Quarterly results, Regulation FD disclosure8-K items 2.02, 7.01
Aug 7, 2025 8-K Director or officer change8-K item 5.02
Aug 7, 2025 10-Q Quarterly report (10-Q)period ended Jun 30, 2025
Aug 4, 2025 8-K Quarterly results, Regulation FD disclosure8-K items 2.02, 7.01
May 15, 2025 8-K Shareholder vote results, Other events8-K items 5.07, 8.01
May 12, 2025 8-K Quarterly results, Regulation FD disclosure8-K items 2.02, 7.01
May 12, 2025 10-Q Quarterly report (10-Q)period ended Mar 31, 2025
Mar 20, 2025 8-K Director or officer change8-K item 5.02
Feb 21, 2025 10-K Annual report (10-K)period ended Dec 31, 2024
Feb 6, 2025 8-K Director or officer change8-K item 5.02
Feb 4, 2025 8-K Quarterly results, Regulation FD disclosure8-K items 2.02, 7.01
Nov 8, 2024 10-Q Quarterly report (10-Q)period ended Sep 30, 2024
Nov 1, 2024 8-K Quarterly results, Regulation FD disclosure8-K items 2.02, 7.01
Sep 19, 2024 8-K Material agreement signed, New debt or obligation8-K items 1.01, 2.03
Aug 30, 2024 8-K Director or officer change8-K item 5.02
Aug 7, 2024 10-Q Quarterly report (10-Q)period ended Jun 30, 2024
Aug 5, 2024 8-K Quarterly results, Regulation FD disclosure8-K items 2.02, 7.01
Jul 19, 2024 SEC letter SEC asked 1 question about Form 10-Kletters May 31, 2024 to Jul 19, 2024 · Results discussion (MD&A), Goodwill and impairment
May 29, 2024 8-K Director or officer change, Other events8-K items 5.02, 8.01
May 8, 2024 8-K Shareholder vote results8-K item 5.07
May 7, 2024 10-Q Quarterly report (10-Q)period ended Mar 31, 2024
May 6, 2024 8-K Quarterly results, Regulation FD disclosure8-K items 2.02, 7.01
Feb 23, 2024 Offering Shelf registration: shares and other securities, amount not fixedS-3ASR · We may sell any combination of the securities described in this prospectus in one or more offerings.
Feb 22, 2024 10-K Annual report (10-K)period ended Dec 31, 2023
Feb 9, 2024 8-K Director or officer change (amended)8-K item 5.02
Feb 8, 2024 8-K Other events8-K item 8.01
Feb 5, 2024 8-K Quarterly results, Regulation FD disclosure8-K items 2.02, 7.01
Jan 9, 2024 8-K Director or officer change8-K item 5.02

From the SEC filing index. Insider purchases go back 180 days (the Form 4s downloaded).

Every filing

Newest first, by kind · each form links to sec.gov

Filed	Form	What it is	Period
Nov 6, 2026	10-Q	Quarterly report	Sep 30, 2026	all files · tables
Nov 5, 2026	8-K	Quarterly results, Regulation FD disclosure	Nov 5, 2026	all files
Oct 1, 2026	4	Insider trade	Sep 30, 2026	all files
Oct 1, 2026	4	Insider trade	Sep 30, 2026	all files
Oct 1, 2026	4	Insider trade	Sep 30, 2026	all files
Oct 1, 2026	4	Insider trade	Sep 30, 2026	all files
Oct 1, 2026	4	Insider trade	Sep 30, 2026	all files
Oct 1, 2026	4	Insider trade	Sep 30, 2026	all files
Oct 1, 2026	4	Insider trade	Sep 30, 2026	all files
Oct 1, 2026	4	Insider trade	Sep 30, 2026	all files
Oct 1, 2026	4	Insider trade	Sep 30, 2026	all files
Oct 1, 2026	4	Insider trade	Sep 30, 2026	all files
Oct 1, 2026	4	Insider trade	Sep 30, 2026	all files
Sep 1, 2026	4	Insider trade	Aug 31, 2026	all files
Sep 1, 2026	4	Insider trade	Aug 31, 2026	all files
Sep 1, 2026	4	Insider trade	Aug 31, 2026	all files
Sep 1, 2026	4	Insider trade	Aug 31, 2026	all files
Aug 24, 2026	4	Insider trade	Aug 20, 2026	all files
Aug 10, 2026	8-K	Quarterly results, Regulation FD disclosure	Aug 10, 2026	all files
Aug 10, 2026	10-Q	Quarterly report	Jun 30, 2026	all files · tables
Jul 31, 2026	SCHEDULE 13G/A	5%+ owner (passive), amended		all files
Jul 1, 2026	4	Insider trade	Jun 30, 2026	all files
Jul 1, 2026	4	Insider trade	Jun 30, 2026	all files
Jul 1, 2026	4	Insider trade	Jun 30, 2026	all files
Jul 1, 2026	4	Insider trade	Jun 30, 2026	all files
Jul 1, 2026	4	Insider trade	Jun 30, 2026	all files
Jul 1, 2026	4	Insider trade	Jun 30, 2026	all files
Jul 1, 2026	4	Insider trade	Jun 30, 2026	all files
Jul 1, 2026	4	Insider trade	Jun 30, 2026	all files
Jul 1, 2026	4	Insider trade	Jun 30, 2026	all files
Jul 1, 2026	4	Insider trade	Jun 30, 2026	all files
Jul 1, 2026	4	Insider trade	Jun 30, 2026	all files
Jun 17, 2026	11-K	Employee plan annual report	Dec 31, 2025	all files
May 15, 2026	4	Insider trade	May 13, 2026	all files
May 15, 2026	4	Insider trade	May 13, 2026	all files
May 15, 2026	4	Insider trade	May 13, 2026	all files
May 15, 2026	4	Insider trade	May 13, 2026	all files
May 15, 2026	4	Insider trade	May 13, 2026	all files
May 15, 2026	4	Insider trade	May 13, 2026	all files
May 15, 2026	4	Insider trade	May 13, 2026	all files
May 15, 2026	4	Insider trade	May 13, 2026	all files
May 15, 2026	4	Insider trade	May 13, 2026	all files
May 15, 2026	4	Insider trade	May 13, 2026	all files
May 15, 2026	4	Insider trade	May 13, 2026	all files
May 15, 2026	4	Insider trade	May 13, 2026	all files
May 15, 2026	8-K/A	Director or officer change	Mar 22, 2026	all files
May 15, 2026	8-K/A	Director or officer change	Feb 5, 2026	all files
May 15, 2026	8-K	Shareholder vote results	May 13, 2026	all files
May 11, 2026	8-K	Quarterly results, Regulation FD disclosure	May 11, 2026	all files
May 11, 2026	10-Q	Quarterly report	Mar 31, 2026	all files · tables
Apr 30, 2026	SCHEDULE 13G	5%+ owner (passive)		all files
Apr 29, 2026	SCHEDULE 13G	5%+ owner (passive)		all files
Apr 28, 2026	DEFA14A	Extra proxy material		all files
Apr 2, 2026	4	Insider trade	Apr 1, 2026	all files
Apr 2, 2026	4	Insider trade	Apr 1, 2026	all files
Apr 2, 2026	4	Insider trade	Apr 1, 2026	all files
Apr 2, 2026	4	Insider trade	Apr 1, 2026	all files
Apr 2, 2026	4	Insider trade	Apr 1, 2026	all files
Apr 2, 2026	4	Insider trade	Apr 1, 2026	all files
Apr 2, 2026	4	Insider trade	Apr 1, 2026	all files
Apr 1, 2026	4	Insider trade	Mar 31, 2026	all files
Apr 1, 2026	4	Insider trade	Mar 31, 2026	all files
Apr 1, 2026	4	Insider trade	Mar 31, 2026	all files
Apr 1, 2026	4	Insider trade	Mar 31, 2026	all files
Apr 1, 2026	4	Insider trade	Mar 31, 2026	all files
Apr 1, 2026	4	Insider trade	Mar 31, 2026	all files
Apr 1, 2026	4	Insider trade	Mar 31, 2026	all files
Apr 1, 2026	4	Insider trade	Mar 31, 2026	all files
Apr 1, 2026	4	Insider trade	Mar 31, 2026	all files
Apr 1, 2026	4	Insider trade	Mar 31, 2026	all files
Apr 1, 2026	ARS	Annual report to shareholders	Dec 31, 2025	all files
Apr 1, 2026	DEFA14A	Extra proxy material		all files
Apr 1, 2026	DEF 14A	Proxy statement	May 13, 2026	all files
Mar 27, 2026	SCHEDULE 13G/A	5%+ owner (passive), amended		all files
Mar 24, 2026	8-K	Director or officer change, Regulation FD disclosure	Mar 22, 2026	all files
Mar 13, 2026	4	Insider trade	Mar 11, 2026	all files
Mar 13, 2026	4	Insider trade	Mar 11, 2026	all files
Mar 13, 2026	4	Insider trade	Mar 11, 2026	all files
Mar 13, 2026	4	Insider trade	Mar 11, 2026	all files
Mar 13, 2026	4	Insider trade	Mar 11, 2026	all files
Mar 13, 2026	4	Insider trade	Mar 11, 2026	all files
Mar 13, 2026	4	Insider trade	Mar 11, 2026	all files
Mar 13, 2026	4	Insider trade	Mar 11, 2026	all files
Mar 13, 2026	4	Insider trade	Mar 11, 2026	all files
Mar 5, 2026	8-K	Material agreement signed, New debt or obligation	Mar 5, 2026	all files
Mar 4, 2026	4	Insider trade	Mar 2, 2026	all files
Mar 4, 2026	4	Insider trade	Mar 2, 2026	all files
Mar 4, 2026	4	Insider trade	Mar 2, 2026	all files
Mar 4, 2026	4	Insider trade	Mar 2, 2026	all files
Mar 4, 2026	4	Insider trade	Mar 2, 2026	all files
Mar 4, 2026	4	Insider trade	Mar 2, 2026	all files
Mar 4, 2026	4	Insider trade	Mar 2, 2026	all files
Mar 4, 2026	4	Insider trade	Mar 2, 2026	all files
Feb 26, 2026	4	Insider trade	Feb 25, 2026	all files
Feb 25, 2026	144	Notice of planned insider sale		all files
Feb 25, 2026	10-K	Annual report	Dec 31, 2025	all files · tables
Feb 9, 2026	4	Insider trade	Feb 5, 2026	all files
Feb 9, 2026	3	New insider	Feb 5, 2026	all files
Feb 5, 2026	8-K	Other events	Feb 5, 2026	all files
Feb 5, 2026	8-K	Director or officer change	Feb 5, 2026	all files

Show the other 75 filings on this page

Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results"; read them on Earnings releases.

Sources

SEC's filing index (data.sec.gov submissions). Each form links to the document on sec.gov.

Also

Earnings releases: the text of each quarter's results release. Statements by period: the income statement, balance sheet or cash flow of the last filings side by side.

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