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 | — |
| 3 | Initial insider ownership | Oct 8, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Aug 19, 2026 | Aug 18, 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 |
| 4 | Insider transaction | Jul 10, 2026 | Jul 8, 2026 |
| 144 | Notice of proposed sale | Jul 8, 2026 | — |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 3 | Initial insider ownership | May 11, 2026 | May 4, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 4, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 13, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 2, 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 |
| 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 |
| 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 | — |
| 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 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 13, 2025 |
| 144 | Notice of proposed sale | Jun 13, 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 | — |
| 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 | — |
| 4 | Insider transaction | Oct 7, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Oct 7, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Aug 15, 2024 | Aug 13, 2024 |
| 3 | Initial insider ownership | Aug 15, 2024 | Aug 13, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 2, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 8, 2024 | — |
| 4 | Insider transaction | Jun 18, 2024 | Jun 14, 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 |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 10, 2024 | — |
| 4 | Insider transaction | Mar 12, 2024 | Mar 7, 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 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 11, 2023 | — |
| 4 | Insider transaction | Dec 6, 2023 | Dec 4, 2023 |
| 4 | Insider transaction | Nov 3, 2023 | Nov 2, 2023 |
| 4 | Insider transaction | Aug 24, 2023 | Aug 23, 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 |
| 4 | Insider transaction | May 19, 2023 | May 18, 2023 |
| 4 | Insider transaction | Feb 22, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 22, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 22, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 17, 2023 | Feb 15, 2023 |
| 4 | Insider transaction | Feb 17, 2023 | Feb 15, 2023 |
| 4 | Insider transaction | Feb 17, 2023 | Feb 15, 2023 |
| 4 | Insider transaction | Feb 17, 2023 | Feb 15, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| 4 | Insider transaction | Feb 8, 2023 | Feb 7, 2023 |
| 4 | Insider transaction | Feb 8, 2023 | Feb 7, 2023 |
| 4/A | Form 4/a submission | Feb 8, 2023 | Jan 17, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 31, 2023 | — |
| 4 | Insider transaction | Jan 19, 2023 | Jan 17, 2023 |
| 4 | Insider transaction | Jan 19, 2023 | Jan 17, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 9, 2023 | — |
| 4 | Insider transaction | Dec 8, 2022 | Dec 7, 2022 |
| 4 | Insider transaction | Nov 9, 2022 | Nov 8, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 15, 2022 | — |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 17, 2022 | Jun 15, 2022 |
| 4 | Insider transaction | Jun 10, 2022 | Jun 8, 2022 |
| 4 | Insider transaction | Jun 1, 2022 | May 27, 2022 |
| 4 | Insider transaction | Apr 22, 2022 | Apr 20, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 8, 2022 | — |
| 4 | Insider transaction | Mar 23, 2022 | Mar 21, 2022 |
| 3 | Initial insider ownership | Mar 23, 2022 | Mar 21, 2022 |
| 4 | Insider transaction | Mar 3, 2022 | Mar 2, 2022 |
| 5/A | Form 5/a submission | Feb 14, 2022 | Feb 14, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| 5 | Annual insider ownership | Feb 11, 2022 | Dec 31, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| 4 | Insider transaction | Feb 10, 2022 | Feb 8, 2022 |
| 4 | Insider transaction | Feb 10, 2022 | Feb 8, 2022 |
| 4 | Insider transaction | Feb 10, 2022 | Feb 8, 2022 |
| 4 | Insider transaction | Feb 10, 2022 | Feb 8, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 7, 2022 | — |
| 4 | Insider transaction | Feb 4, 2022 | Feb 2, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 4, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2022 | — |
| 4 | Insider transaction | Jan 12, 2022 | Jan 10, 2022 |
| 4 | Insider transaction | Jan 4, 2022 | Jan 3, 2022 |
| 4 | Insider transaction | Dec 16, 2021 | Dec 15, 2021 |
| 4 | Insider transaction | Dec 8, 2021 | Dec 6, 2021 |
| 4 | Insider transaction | Dec 1, 2021 | Nov 29, 2021 |
| 3 | Initial insider ownership | Dec 1, 2021 | Nov 29, 2021 |
| 4 | Insider transaction | Nov 17, 2021 | Nov 15, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 17, 2021 | — |
| 4 | Insider transaction | Nov 12, 2021 | Nov 9, 2021 |
| 3 | Initial insider ownership | Nov 12, 2021 | Nov 8, 2021 |
| 4 | Insider transaction | Nov 3, 2021 | Nov 1, 2021 |
| 4 | Insider transaction | Oct 19, 2021 | Oct 15, 2021 |
| 4 | Insider transaction | Oct 5, 2021 | Oct 1, 2021 |
| 4 | Insider transaction | Sep 17, 2021 | Sep 15, 2021 |
| 4 | Insider transaction | Sep 2, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Aug 4, 2021 | Aug 2, 2021 |
| 4 | Insider transaction | Jul 6, 2021 | Jul 1, 2017 |
| 4 | Insider transaction | Jun 23, 2021 | Jun 17, 2021 |
| 4 | Insider transaction | Jun 22, 2021 | Jun 17, 2021 |
| 4 | Insider transaction | Jun 22, 2021 | Jun 17, 2021 |
| 4 | Insider transaction | Jun 22, 2021 | Jun 17, 2021 |
| 4 | Insider transaction | Jun 22, 2021 | Jun 17, 2021 |
| 4 | Insider transaction | Jun 22, 2021 | Jun 17, 2021 |
| 4 | Insider transaction | Jun 11, 2021 | Jun 9, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 10, 2021 | — |
| 4 | Insider transaction | Jun 4, 2021 | Jun 2, 2021 |
| 3 | Initial insider ownership | Feb 23, 2021 | Feb 13, 2021 |
| 4 | Insider transaction | Feb 19, 2021 | Feb 17, 2021 |
| 4 | Insider transaction | Feb 18, 2021 | Feb 16, 2021 |
| 3 | Initial insider ownership | Feb 18, 2021 | Feb 13, 2021 |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 16, 2021 | — |
| 5 | Annual insider ownership | Feb 12, 2021 | Dec 31, 2020 |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2021 | — |
| 4 | Insider transaction | Feb 3, 2021 | Dec 3, 2020 |
| 4 | Insider transaction | Feb 3, 2021 | Feb 1, 2021 |
| 4 | Insider transaction | Feb 3, 2021 | Dec 3, 2020 |
| 4 | Insider transaction | Feb 3, 2021 | Dec 3, 2020 |
| 4 | Insider transaction | Jan 29, 2021 | Jan 27, 2021 |
| 3 | Initial insider ownership | Jan 21, 2021 | Jan 11, 2021 |
| SC 13D | Ownership over 5% (active) | Jan 11, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Jan 11, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Jan 4, 2021 | — |
| 4/A | Form 4/a submission | Dec 31, 2020 | Dec 8, 2020 |
| SC 13G | Ownership over 5% (passive) | Dec 18, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Dec 18, 2020 | — |
| 4 | Insider transaction | Dec 11, 2020 | Dec 3, 2020 |
| 4 | Insider transaction | Dec 11, 2020 | Dec 3, 2020 |
| 4 | Insider transaction | Dec 11, 2020 | Dec 3, 2020 |
| 4 | Insider transaction | Dec 11, 2020 | Dec 3, 2020 |
| 4 | Insider transaction | Dec 11, 2020 | Dec 3, 2020 |
| 4 | Insider transaction | Dec 11, 2020 | Dec 3, 2020 |
| 4 | Insider transaction | Dec 10, 2020 | Dec 8, 2020 |
| 4 | Insider transaction | Dec 10, 2020 | Dec 8, 2020 |
| 4 | Insider transaction | Dec 10, 2020 | Dec 8, 2020 |
| 4 | Insider transaction | Dec 10, 2020 | Dec 8, 2020 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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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.