Quick Takeaways
- Whetstone Capital Advisors, LLC filed SCHEDULE 13G for Sera Prognostics, Inc. Class A Common Stock, par value $0.0001 per share (SERA).
- Disclosed ownership: 9.9%.
- Date of event: 30 Jun 2025.
Whetstone Capital Advisors, LLC - 30 Jun 2025 SCHEDULE 13G Report for Sera Prognostics, Inc. Class A Common Stock, par value $0.0001 per share (SERA)
- Filing Manager
- Whetstone Capital Advisors, LLC
- Reporting Manager
- Whetstone Capital Advisors, LLC
- Symbol
- SERA
- Shares outstanding
- 36,690,616 shares
- Disclosed Ownership
- 3,632,371 shares
- Ownership
- 9.9%
- Form type
- SCHEDULE 13G
- Filing time
- 08 Sep 2025, 16:52:36 UTC
- Date of event
- 30 Jun 2025
- Next filing
- 16 Jan 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"Whetstone Capital Advisors, LLC disclosed 9.9% ownership in Sera Prognostics, Inc. Class A Common Stock, par value $0.0001 per share (SERA) on 30 Jun 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 08 Sep 2025, 16:52.
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.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (2)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Whetstone Capital Advisors, LLC | 9.9% | 3,632,371 | 0 | 3,632,371 | /s/ David Atterbury | Manager | |
| David Atterbury | 9.9% | 3,632,371 | 0 | 3,632,371 | /s/ David Atterbury | CCO/President |