Quick Takeaways
- Bradley L. Radoff filed SCHEDULE 13D/A for Seer, Inc. Class A Common Stock, par value $0.00001 per share (SEER).
- Disclosed ownership: 4.6%.
- Date of event: 12 Apr 2026.
Bradley L. Radoff - 12 Apr 2026 SCHEDULE 13D/A Report for Seer, Inc. Class A Common Stock, par value $0.00001 per share (SEER)
- Filing Manager
- Bradley L. Radoff
- Reporting Manager
- Radoff Bradley Louis
- Symbol
- SEER
- Shares outstanding
- 56,744,174 shares
- Disclosed Ownership
- 2,610,232 shares
- Ownership
- 4.6%
- Form type
- SCHEDULE 13D/A
- Filing time
- 13 Apr 2026, 16:37:26 UTC
- Date of event
- 12 Apr 2026
- Previous filing
- 02 Mar 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"Bradley L. Radoff disclosed 4.6% ownership in Seer, Inc. Class A Common Stock, par value $0.00001 per share (SEER) on 12 Apr 2026."
What Changed
- Previous schedule filing date: 02 Mar 2026.
- Current filing was accepted on 13 Apr 2026, 16:37.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (6)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Radoff Family Foundation | 0.9% | 500,000 | 0 | 500,000 | /s/ Bradley L. Radoff | Bradley L. Radoff, Director | 0001496916 |
| Radoff Bradley Louis | 4.6% | 2,610,232 | 2,110,232 | 500,000 | /s/ Bradley L. Radoff | Bradley L. Radoff | 0001380585 |
| JEC II Associates, LLC | 2.1% | 1,167,296 | 0 | 1,167,296 | /s/ Michael Torok | Michael Torok, Manager | 0001477326 |
| The MOS Trust | 0.4% | 215,000 | 0 | 215,000 | /s/ Michael Torok | Michael Torok, Manager of MOS PTC, LLC, its Trustee | |
| MOS PTC, LLC | 0.4% | 215,000 | 0 | 215,000 | /s/ Michael Torok | Michael Torok, Manager | |
| Torok Michael | 3% | 1,667,296 | 285,000 | 1,382,296 | /s/ Michael Torok | Michael Torok | 0001967237 |