Seer, Inc. SEC filings SEER
Seer, Inc. has 400 filings in SEC EDGAR's recent list, going back to Jan 4, 2018. Its latest annual report, Form ARS, was filed on Jun 3, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 4, 2026 | Nov 2, 2026 |
| SCHEDULE 13D | Ownership over 5% (active) | Nov 2, 2026 | — |
| 8-K |
Current report
Other events
|
Oct 29, 2026 | Oct 29, 2026 |
| 3 | Initial insider ownership | Oct 8, 2026 | Oct 1, 2026 |
| 8-K |
Current report
Officer or director change
|
Sep 18, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Aug 19, 2026 | Aug 18, 2026 |
| 10-Q | Quarterly report | Aug 11, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2026 | Aug 11, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jul 31, 2026 | Jul 28, 2026 |
| 8-K |
Current report
Other events
|
Jul 31, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 30, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 30, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 30, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 30, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 30, 2026 | Jul 28, 2026 |
| 4 | Insider transaction | Jul 30, 2026 | Jul 28, 2026 |
| DFAN14A | Filing | Jul 28, 2026 | — |
| DFAN14A | Filing | Jul 24, 2026 | — |
| DEFA14A | Additional proxy material | Jul 22, 2026 | — |
| DFAN14A | Filing | Jul 22, 2026 | — |
| DEFA14A | Additional proxy material | Jul 20, 2026 | — |
| 8-K |
Current report
Other events
|
Jul 20, 2026 | Jul 20, 2026 |
| DEFA14A | Additional proxy material | Jul 20, 2026 | — |
| DEFA14A | Additional proxy material | Jul 20, 2026 | — |
| DFAN14A | Filing | Jul 17, 2026 | — |
| DEFA14A | Additional proxy material | Jul 14, 2026 | — |
| DEFA14A | Additional proxy material | Jul 14, 2026 | — |
| 4 | Insider transaction | Jul 10, 2026 | Jul 8, 2026 |
| DFAN14A | Filing | Jul 9, 2026 | — |
| 144 | Notice of proposed sale | Jul 8, 2026 | — |
| DEFA14A | Additional proxy material | Jul 8, 2026 | — |
| DEFA14A | Additional proxy material | Jul 8, 2026 | — |
| DEFA14A | Additional proxy material | Jul 6, 2026 | — |
| DFAN14A | Filing | Jul 6, 2026 | — |
| DEFA14A | Additional proxy material | Jul 6, 2026 | — |
| DEFA14A | Additional proxy material | Jul 6, 2026 | — |
| DEFA14A | Additional proxy material | Jul 6, 2026 | — |
| 8-K |
Current report
Other events
|
Jul 2, 2026 | Jul 1, 2026 |
| DFAN14A | Filing | Jun 29, 2026 | — |
| DFAN14A | Filing | Jun 24, 2026 | — |
| DFAN14A | Filing | Jun 15, 2026 | — |
| DEFA14A | Additional proxy material | Jun 15, 2026 | — |
| DEFA14A | Additional proxy material | Jun 15, 2026 | — |
| DEFA14A | Additional proxy material | Jun 11, 2026 | — |
| DFAN14A | Filing | Jun 9, 2026 | — |
| DFRN14A | Filing | Jun 4, 2026 | — |
| DEFA14A | Additional proxy material | Jun 3, 2026 | — |
| DEFA14A | Additional proxy material | Jun 3, 2026 | — |
| ARS | Annual report to shareholders | Jun 3, 2026 | Dec 31, 2025 |
| DEFC14A | Filing | Jun 3, 2026 | — |
| DEFC14A | Filing | Jun 1, 2026 | — |
| DFAN14A | Filing | May 27, 2026 | — |
| DEFA14A | Additional proxy material | May 22, 2026 | — |
| DEFA14A | Additional proxy material | May 22, 2026 | — |
| 8-K |
Current report
Other events
|
May 22, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| PREC14A | Filing | May 21, 2026 | — |
| PREC14A | Filing | May 18, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| DFAN14A | Filing | May 14, 2026 | — |
| 10-Q | Quarterly report | May 13, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 13, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 3 | Initial insider ownership | May 11, 2026 | May 4, 2026 |
| 8-K |
Current report
Other events
|
May 4, 2026 | May 4, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 4, 2026 | — |
| 10-K/A | Amended annual report | Apr 30, 2026 | Dec 31, 2025 |
| DFAN14A | Filing | Apr 29, 2026 | — |
| DEFA14A | Additional proxy material | Apr 27, 2026 | — |
| DEFA14A | Additional proxy material | Apr 27, 2026 | — |
| DEFA14A | Additional proxy material | Apr 27, 2026 | — |
| 8-K |
Current report
Other events
|
Apr 27, 2026 | Apr 27, 2026 |
| DFAN14A | Filing | Apr 24, 2026 | — |
| DEFA14A | Additional proxy material | Apr 14, 2026 | — |
| DEFA14A | Additional proxy material | Apr 13, 2026 | — |
| 8-K |
Current report
Other events
|
Apr 13, 2026 | Apr 13, 2026 |
| DFAN14A | Filing | Apr 13, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 13, 2026 | — |
| 8-K |
Current report
Other events
|
Mar 30, 2026 | Mar 23, 2026 |
| 8-A12B/A | Filing | Mar 16, 2026 | — |
| 8-K |
Current report
Material agreement, Change to shareholder rights
|
Mar 16, 2026 | Mar 13, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 2, 2026 | — |
| 10-K | Annual report | Mar 2, 2026 | Dec 31, 2025 |
| 8-A12B | Filing | Feb 26, 2026 | — |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Bylaw or fiscal year change, Regulation FD disclosure
|
Feb 26, 2026 | Feb 26, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2026 | Feb 26, 2026 |
| SCHEDULE 13D | Ownership over 5% (active) | Feb 20, 2026 | — |
| 4 | Insider transaction | Feb 19, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Dec 12, 2025 | Dec 9, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 9, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 9, 2025 |
| 4 | Insider transaction | Nov 21, 2025 | Nov 19, 2025 |
| 4 | Insider transaction | Nov 21, 2025 | Nov 19, 2025 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2025 | Nov 6, 2025 |
| PRE 14A | Preliminary proxy statement | Oct 10, 2025 | Oct 10, 2025 |
| 8-K |
Current report
Officer or director change
|
Sep 5, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Sep 2, 2025 |
| 3 | Initial insider ownership | Sep 3, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Aug 21, 2025 | Aug 20, 2025 |
| 4 | Insider transaction | Aug 21, 2025 | Aug 20, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2025 | — |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| 4 | Insider transaction | Jul 9, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jul 9, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jul 9, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jul 9, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jul 9, 2025 | Jul 7, 2025 |
| 8-K |
Current report
Listing notice, Shareholder vote results
|
Jul 8, 2025 | Jul 7, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 13, 2025 |
| 144 | Notice of proposed sale | Jun 13, 2025 | — |
| ARS | Annual report to shareholders | May 28, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | May 28, 2025 | — |
| DEF 14A | Proxy statement | May 28, 2025 | May 28, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 20, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| 10-Q | Quarterly report | May 13, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 13, 2025 | May 13, 2025 |
| 10-K/A | Amended annual report | Apr 30, 2025 | Dec 31, 2024 |
| 10-K | Annual report | Mar 3, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2025 | Feb 27, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 12, 2025 | — |
| 4 | Insider transaction | Feb 5, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 4, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 8, 2025 | — |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Oct 7, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Oct 7, 2024 | Oct 4, 2024 |
| 8-K |
Current report
Officer or director change
|
Oct 7, 2024 | Oct 4, 2024 |
| 8-K |
Current report
Officer or director change
|
Aug 16, 2024 | Aug 13, 2024 |
| 4 | Insider transaction | Aug 15, 2024 | Aug 13, 2024 |
| 3 | Initial insider ownership | Aug 15, 2024 | Aug 13, 2024 |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 8, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 2, 2024 | — |
| 8-K |
Current report
Officer or director change, Other events
|
Jul 19, 2024 | Jul 16, 2024 |
| 8-K |
Current report
Officer or director change
|
Jul 12, 2024 | Jul 8, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 8, 2024 | — |
| 4 | Insider transaction | Jun 18, 2024 | Jun 14, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 144 | Notice of proposed sale | Jun 14, 2024 | — |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 10-Q | Quarterly report | May 8, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 8, 2024 | May 8, 2024 |
| ARS | Annual report to shareholders | Apr 26, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 26, 2024 | — |
| DEF 14A | Proxy statement | Apr 26, 2024 | Apr 26, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 10, 2024 | — |
| 4 | Insider transaction | Mar 12, 2024 | Mar 7, 2024 |
| S-8 | Employee stock plan registration | Mar 6, 2024 | — |
| 10-K | Annual report | Mar 4, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 29, 2024 | Feb 29, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 6, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 6, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 6, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 4 | Insider transaction | Feb 7, 2024 | Feb 5, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 3, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Dec 22, 2023 | Dec 21, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 11, 2023 | — |
| 4 | Insider transaction | Dec 6, 2023 | Dec 4, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 17, 2023 | Nov 14, 2023 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 4 | Insider transaction | Nov 3, 2023 | Nov 2, 2023 |
| 4 | Insider transaction | Aug 24, 2023 | Aug 23, 2023 |
| 10-Q | Quarterly report | Aug 8, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2023 | Aug 8, 2023 |
| 8-K |
Current report
Officer or director change, Other events
|
Jul 21, 2023 | Jul 18, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 16, 2023 | Jun 15, 2023 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
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Company profile
- Industry
- Laboratory Analytical Instruments (SIC 3826)
- Listed as
- SEER (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Redwood City, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1726445
- Former names
- Seer Biosciences, Inc. (until Jan 4, 2018)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.