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Assertio (ASRT) 10K Form and Latest SEC Filings 2026

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$23.50 0.00 (0.00%)
As of 06/17/2026

Latest Assertio SEC Filings & Recent Activity

Assertio (NASDAQ:ASRT) has submitted 320+ documents to the U.S. Securities and Exchange Commission (SEC) since 2020. For investors, these filings are the primary source of verified financial data — covering everything from annual revenue and debt levels in the 10-K, to material business events in 8-K current reports, to insider buying and selling activity in Form 4 disclosures. Key figures from these filings, including revenue, earnings, and cash flow, are summarized in Assertio's financial statements. The most recent filing was a Form 25-NSE submitted on July 7, 2026.

Form 4
Assertio Holdings, Inc. Reports Ownership Change on Jun. 16, 2026

Form 4 filings disclose changes in stock ownership by company insiders, including purchases, sales, grants, and option exercises.

View insider ownership

8-K
Assertio Files Current Report on Jun. 16, 2026

An 8-K is filed when a material corporate event occurs, such as an acquisition, leadership change, or financial update.

View filing

10-K
Assertio Files Annual Report on Mar. 16, 2026

The 10-K contains Assertio's audited financial statements, revenue, earnings, and risk factors for the prior fiscal year.

View earnings history

Assertio SEC Filing History

Browse Assertio's complete SEC filing history using the filters below. Filter by form type - 10-K, 10-Q, 8-K, Form 4, and more - or set a custom date range to find a filing.

DateFilerForm TypeView
07/07/2026 9:46 AM
Assertio (1808665) Subject
Nasdaq Stock Market LLC (1354457) Filed by
Form 25-NSE
06/26/2026 4:19 PM
Assertio (1808665) Filer
Form 15-12G
06/17/2026 11:15 PM
Assertio (1808665) Filer
Form EFFECT
06/17/2026 11:15 PM
Assertio (1808665) Filer
Form EFFECT
06/17/2026 11:15 PM
Assertio (1808665) Filer
Form EFFECT
06/17/2026 11:15 PM
Assertio (1808665) Filer
Form EFFECT
06/16/2026 5:38 PM
Assertio (1808665) Issuer
MCKEE WILLIAM (1237262) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/16/2026 5:23 PM
Assertio (1808665) Issuer
Patel Ajay (1849586) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/16/2026 5:25 PM
Assertio (1808665) Issuer
Stark David Matthew (1722360) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/16/2026 5:26 PM
Assertio (1808665) Issuer
Mason Heather L (1432601) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/16/2026 5:28 PM
Assertio (1808665) Issuer
Reisenauer Mark L (1413481) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/16/2026 5:30 PM
Assertio (1808665) Issuer
Schwichtenberg Paul (1849587) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/16/2026 5:32 PM
Assertio (1808665) Issuer
Emany Sravan Kumar (1897662) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/16/2026 5:34 PM
Assertio (1808665) Issuer
Kirk Sigurd (1429125) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/16/2026 5:37 PM
Assertio (1808665) Issuer
Schlessinger Sam (1914168) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
06/16/2026 3:52 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:53 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:53 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:54 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:54 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:54 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:55 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:55 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:56 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:56 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:56 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:57 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:57 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:58 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:58 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:43 PM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/16/2026 3:45 PM
Assertio (1808665) Filer
Form POS AM
06/16/2026 3:46 PM
Assertio (1808665) Filer
Form POS AM
06/16/2026 3:48 PM
Assertio (1808665) Filer
Form POS AM
06/16/2026 3:49 PM
Assertio (1808665) Filer
Form POS AM
06/16/2026 3:51 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 3:52 PM
Assertio (1808665) Filer
Form S-8 POS
06/16/2026 6:31 AM
Assertio (1808665) Subject
Form SC 14D9/A
06/16/2026 6:15 AM
Assertio (1808665) Subject
Zydus Lifesciences Ltd. (2108979) Filed by
Form SC TO-T/A
05/18/2026 4:18 PM
Assertio (1808665) Subject
Form SC 14D9
05/18/2026 8:23 AM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
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05/18/2026 8:24 AM
Assertio (1808665) Subject
Form SC TO-C
05/18/2026 8:25 AM
Assertio (1808665) Subject
Form SC14D9C
05/15/2026 5:00 PM
Assertio (1808665) Issuer
Mason Heather L (1432601) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/14/2026 7:46 AM
Assertio (1808665) Subject
Zydus Lifesciences Ltd. (2108979) Filed by
Form SC TO-C
05/13/2026 4:18 PM
Assertio (1808665) Subject
Form SC14D9C
05/13/2026 8:03 AM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/13/2026 8:04 AM
Assertio (1808665) Subject
Form SC TO-C
05/13/2026 8:04 AM
Assertio (1808665) Subject
Form SC14D9C
05/08/2026 7:13 AM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/08/2026 7:15 AM
Assertio (1808665) Subject
Form SC14D9C
05/07/2026 4:00 PM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/06/2026 5:00 PM
Assertio (1808665) Issuer
Mason Heather L (1432601) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/06/2026 5:02 PM
Assertio (1808665) Issuer
MCKEE WILLIAM (1237262) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/06/2026 5:03 PM
Assertio (1808665) Issuer
Kirk Sigurd (1429125) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/06/2026 5:05 PM
Assertio (1808665) Issuer
Emany Sravan Kumar (1897662) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/06/2026 5:06 PM
Assertio (1808665) Issuer
Stark David Matthew (1722360) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
05/05/2026 8:07 AM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/05/2026 8:09 AM
Assertio (1808665) Subject
Form SC14D9C
05/04/2026 7:23 AM
Assertio (1808665) Subject
Form SC TO-C
05/04/2026 7:26 AM
Assertio (1808665) Subject
Form SC14D9C
05/04/2026 7:21 AM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/21/2026 4:15 PM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/21/2026 4:15 PM
Assertio (1808665) Subject
Form SC14D9C
04/14/2026 4:09 PM
Assertio (1808665) Subject
Form SC14D9C
04/14/2026 3:41 PM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/09/2026 4:24 PM
Assertio (1808665) Subject
Form SC14D9C
04/09/2026 4:15 PM
Assertio (1808665) Filer
Form 8-K/A
04/09/2026 4:16 PM
Assertio (1808665) Subject
Form SC TO-C
04/09/2026 7:07 AM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/09/2026 7:09 AM
Assertio (1808665) Subject
Form SC TO-C
04/09/2026 7:11 AM
Assertio (1808665) Subject
Form SC14D9C
04/07/2026 3:31 PM
Assertio (1808665) Subject
Nantahala Capital Management, LLC (1472322) Filed by
Form SCHEDULE 13G/A
04/06/2026 8:21 PM
Assertio (1808665) Filer
Form ARS
04/06/2026 4:26 PM
Assertio (1808665) Filer
Form DEF 14A
03/16/2026 4:07 PM
Assertio (1808665) Filer
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
03/03/2026 6:22 PM
Assertio (1808665) Issuer
Reisenauer Mark L (1413481) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2026 6:23 PM
Assertio (1808665) Issuer
Schwichtenberg Paul (1849587) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2026 6:25 PM
Assertio (1808665) Issuer
Patel Ajay (1849586) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
03/03/2026 6:26 PM
Assertio (1808665) Issuer
Schlessinger Sam (1914168) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2026 5:01 PM
Assertio (1808665) Issuer
Schwichtenberg Paul (1849587) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2026 5:01 PM
Assertio (1808665) Issuer
Patel Ajay (1849586) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2026 5:02 PM
Assertio (1808665) Issuer
Schlessinger Sam (1914168) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2026 5:00 PM
Assertio (1808665) Issuer
Patel Ajay (1849586) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2026 5:00 PM
Assertio (1808665) Issuer
Schwichtenberg Paul (1849587) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2026 5:01 PM
Assertio (1808665) Issuer
Schlessinger Sam (1914168) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
02/10/2026 5:27 PM
Assertio (1808665) Issuer
Schwichtenberg Paul (1849587) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
02/10/2026 5:27 PM
Assertio (1808665) Issuer
Schlessinger Sam (1914168) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
02/10/2026 5:26 PM
Assertio (1808665) Issuer
Patel Ajay (1849586) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
12/22/2025 3:37 PM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/21/2025 4:00 PM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
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11/14/2025 5:00 PM
Assertio (1808665) Issuer
Reisenauer Mark L (1413481) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
11/12/2025 5:00 PM
Assertio (1808665) Issuer
Stark David Matthew (1722360) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
11/10/2025 3:57 PM
Assertio (1808665) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
11/10/2025 3:13 PM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/30/2025 3:46 PM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/10/2025 3:50 PM
Assertio (1808665) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
(Data available from 1/1/2016 forward)

Assertio SEC Filings - Frequently Asked Questions

Assertio (ASRT) has submitted 320+ filings to the SEC since 2020. You can browse the complete history or filter by form type using the tools above.

Assertio's fiscal year ends on December 31. The company typically files its 10-K annual report by the end of February, covering the prior fiscal year's financial results. Key financial data from these reports is available on Assertio's financial statements page.

The most recent filing was a Form 25-NSE submitted on July 7, 2026. View the full filing using the link above.

SEC Filing Types: 10-K, 10-Q, 8-K and More

SEC filings are legally required disclosures that public companies submit to the U.S. Securities and Exchange Commission. Unlike press releases or earnings call transcripts, these documents are filed under legal obligation — meaning the financial data they contain is audited, standardized, and subject to penalties if materially false. For investors, that makes SEC filings the most reliable primary source available for evaluating a company's true financial position.

Yes. All SEC filings are publicly available through the SEC's EDGAR database and on financial research platforms like MarketBeat. Companies are required by law to make these disclosures accessible to all investors — meaning retail investors have access to the same source documents as institutional analysts.

A 10-K is an annual report containing audited financial statements and a full review of the company's business — it is the most comprehensive filing a company makes each year. A 10-Q is a shorter, unaudited quarterly update filed three times per year between annual reports. Investors typically use the 10-K for deep fundamental analysis and the 10-Q to track whether the company is on pace with its guidance mid-year.

The most important filing for fundamental investors. Filed once per year, the 10-K contains audited financial statements, revenue and earnings trends, debt obligations, risk factors, and management's own assessment of the business. Reading the risk factors section and comparing year-over-year financials can reveal issues that don't show up in analyst summaries.

An unaudited financial update filed three times per year (the 10-K covers Q4). Investors use 10-Qs to track whether guidance is on pace, monitor changes in cash flow or inventory, and catch any mid-year shifts in business conditions before they become headline news.

Filed within four business days of a material event — earnings releases, merger announcements, executive departures, or major asset sales. Because 8-Ks are filed before media coverage catches up, they are often the fastest way to get unfiltered information directly from the company on market-moving events.

Filed within two business days whenever an executive or director buys or sells company stock. Insider purchases — especially large or clustered buys — are often interpreted as a signal of management confidence. Insider selling is more ambiguous but worth monitoring for patterns, particularly around lock-up expirations or ahead of major announcements.


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This page (NASDAQ:ASRT) was last updated on 7/11/2026 by MarketBeat.com Staff.
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