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Sera Prognostics (SERA) 10K Form and Latest SEC Filings 2026

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Latest Sera Prognostics SEC Filings & Recent Activity

Sera Prognostics (NASDAQ:SERA) has submitted 427+ documents to the U.S. Securities and Exchange Commission (SEC) since 2018. 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. The most recent filing was a Form 144 submitted on June 10, 2026.

Form 4
SERA PROGNOSTICS, INC. Reports Ownership Change on Jun. 4, 2026

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

View insider ownership

8-K
Sera Prognostics Files Current Report on Jun. 4, 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
Sera Prognostics Files Annual Report on Mar. 18, 2026

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

View earnings history

Sera Prognostics SEC Filing History

Browse Sera Prognostics' 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
06/10/2026 3:05 PM
Aerts Austin (1979974) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/10/2026 3:06 PM
Lindgardt Zhenya (1891299) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/08/2026 3:38 PM
Lawrence Sandra AJ (1306386) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/04/2026 4:13 PM
Sera Prognostics (1534969) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/04/2026 3:16 PM
Elliott Jeffrey Thomas (1689757) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/01/2026 3:44 PM
Sera Prognostics (1534969) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/01/2026 3:46 PM
Sera Prognostics (1534969) Filer
Form DEFA14A
06/01/2026 3:49 PM
Anderson Dyaarl Lee Jr. (2072324) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
06/01/2026 3:49 PM
Jackson Benjamin (1779964) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/12/2026 3:34 PM
Kearney Paul (1888075) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/06/2026 3:06 PM
Sera Prognostics (1534969) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/01/2026 3:49 PM
Sera Prognostics (1534969) Subject
Whetstone Capital Advisors, LLC (1607278) Filed by
Form SCHEDULE 13G/A
04/24/2026 3:14 PM
Sera Prognostics (1534969) Filer
Form ARS
04/21/2026 3:26 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/24/2026 3:29 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/18/2026 3:48 PM
Sera Prognostics (1534969) Filer
Form 424B5
03/18/2026 3:08 PM
Sera Prognostics (1534969) Filer
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
03/18/2026 3:09 PM
Sera Prognostics (1534969) Filer
Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans  
03/13/2026 5:27 PM
Anderson Dyaarl Lee Jr. (2072324) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2026 5:28 PM
Inglis Tiffany Eul Davis (2091798) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2026 5:28 PM
Jackson Benjamin (1779964) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2026 5:28 PM
Lindgardt Zhenya (1891299) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/13/2026 5:27 PM
Aerts Austin (1979974) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/12/2026 7:14 PM
Kearney Paul (1888075) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/12/2026 7:14 PM
Lindgardt Zhenya (1891299) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/12/2026 7:06 PM
Aerts Austin (1979974) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/12/2026 7:07 PM
Lindgardt Zhenya (1891299) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/12/2026 7:07 PM
Aerts Austin (1979974) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/12/2026 7:08 PM
Boniface John J. (1870674) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/12/2026 7:08 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/12/2026 7:09 PM
Jackson Benjamin (1779964) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/12/2026 7:09 PM
Kearney Paul (1888075) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/12/2026 7:10 PM
Lindgardt Zhenya (1891299) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/12/2026 7:12 PM
Aerts Austin (1979974) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/12/2026 7:12 PM
Boniface John J. (1870674) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/12/2026 7:12 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/12/2026 7:13 PM
Jackson Benjamin (1779964) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/10/2026 4:53 PM
Aerts Austin (1979974) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/10/2026 4:53 PM
Boniface John J. (1870674) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/10/2026 4:53 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/10/2026 4:53 PM
Jackson Benjamin (1779964) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
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03/10/2026 4:54 PM
Kearney Paul (1888075) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/10/2026 4:50 PM
Aerts Austin (1979974) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/10/2026 4:50 PM
Boniface John J. (1870674) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/10/2026 4:51 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/10/2026 4:51 PM
Jackson Benjamin (1779964) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/10/2026 4:51 PM
Kearney Paul (1888075) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/06/2026 6:25 PM
Lawrence Sandra AJ (1306386) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
03/06/2026 3:30 PM
Lawrence Sandra AJ (1306386) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/24/2026 5:10 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2026 3:28 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/04/2026 4:03 PM
Kamdar Kim P. (1535065) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/27/2026 4:12 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/27/2026 3:18 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
01/16/2026 1:45 PM
Sera Prognostics (1534969) Subject
Whetstone Capital Advisors, LLC (1607278) Filed by
Form SCHEDULE 13G/A
01/08/2026 4:20 PM
Sera Prognostics (1534969) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/07/2026 8:12 AM
Sera Prognostics (1534969) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/30/2025 5:41 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/30/2025 3:24 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/11/2025 6:56 PM
Aerts Austin (1979974) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/11/2025 6:56 PM
Boniface John J. (1870674) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/11/2025 6:56 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/11/2025 6:57 PM
Jackson Benjamin (1779964) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/11/2025 6:57 PM
Kearney Paul (1888075) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/11/2025 6:58 PM
Lindgardt Zhenya (1891299) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/11/2025 6:53 PM
Aerts Austin (1979974) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/11/2025 6:53 PM
Boniface John J. (1870674) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/11/2025 6:53 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/11/2025 6:54 PM
Jackson Benjamin (1779964) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/11/2025 6:54 PM
Kearney Paul (1888075) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/11/2025 6:54 PM
Lindgardt Zhenya (1891299) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/10/2025 6:23 PM
Lindgardt Zhenya (1891299) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/10/2025 6:24 PM
Aerts Austin (1979974) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/10/2025 6:24 PM
Lindgardt Zhenya (1891299) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/10/2025 6:23 PM
Aerts Austin (1979974) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/08/2025 6:06 PM
Lawrence Sandra AJ (1306386) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/08/2025 3:38 PM
Lawrence Sandra AJ (1306386) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/05/2025 4:24 PM
Mirza Mansoor Raza (1588389) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/05/2025 4:25 PM
Mirza Mansoor Raza (1588389) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/03/2025 3:14 PM
Kearney Paul (1888075) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/03/2025 3:14 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/02/2025 4:40 PM
Kearney Paul (1888075) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
12/02/2025 3:22 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
11/26/2025 5:53 PM
Kearney Paul (1888075) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
11/26/2025 3:18 PM
Kearney Paul (1888075) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
11/06/2025 4:04 PM
Mirza Mansoor Raza (1588389) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
11/06/2025 4:05 PM
Mirza Mansoor Raza (1588389) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
11/04/2025 5:35 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
11/04/2025 3:32 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
10/15/2025 6:10 PM
Inglis Tiffany Eul Davis (2091798) Reporting
Sera Prognostics (1534969) Issuer
Form 3
Initial statement of beneficial ownership of securities  
10/15/2025 6:12 PM
Inglis Tiffany Eul Davis (2091798) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
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10/08/2025 3:35 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/07/2025 3:18 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
10/06/2025 3:13 PM
Mirza Mansoor Raza (1588389) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
10/06/2025 3:15 PM
Mirza Mansoor Raza (1588389) Reporting
Sera Prognostics (1534969) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
09/12/2025 3:31 PM
Aerts Austin (1979974) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
09/12/2025 3:32 PM
Boniface John J. (1870674) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
09/12/2025 3:32 PM
Harrison Robert Gardner (1421563) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
09/12/2025 3:32 PM
Jackson Benjamin (1779964) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
09/12/2025 3:33 PM
Kearney Paul (1888075) Reporting
Sera Prognostics (1534969) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
(Data available from 1/1/2016 forward)

Sera Prognostics SEC Filings - Frequently Asked Questions

Sera Prognostics (SERA) has submitted 427+ filings to the SEC since 2018. You can browse the complete history or filter by form type using the tools above.

Sera Prognostics'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.

The most recent filing was a Form 144 submitted on June 10, 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:SERA) was last updated on 6/11/2026 by MarketBeat.com Staff.
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