Quick Takeaways
- Ash X LP filed SCHEDULE 13G/A for OmniAb, Inc. Common Stock, par value $0.0001 per share (OABI).
- Disclosed ownership: 8.5%.
- Date of event: 31 Dec 2025.
Ash X LP - 31 Dec 2025 SCHEDULE 13G/A Report for OmniAb, Inc. Common Stock, par value $0.0001 per share (OABI)
- Filing Manager
- Ash X LP
- Reporting Manager
- Robert Goldstein
- Symbol
- OABI
- Shares outstanding
- 144,611,435 shares
- Disclosed Ownership
- 12,291,972 shares
- Ownership
- 8.5%
- Form type
- SCHEDULE 13G/A
- Filing time
- 10 Feb 2026, 18:37:50 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 27 Aug 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Ash X LP disclosed 8.5% ownership in OmniAb, Inc. Common Stock, par value $0.0001 per share (OABI) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 27 Aug 2025.
- Current filing was accepted on 10 Feb 2026, 18:37.
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 (8)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Ash X LP | 5.3% | 7,557,202 | 7,557,202 | 0 | /s/ Robert Goldstein | Robert Goldstein/Managing Member, RLG GP LLC, its General Partner | |
| RLG GP LLC | 5.3% | 7,557,202 | 7,557,202 | 0 | /s/ Robert Goldstein | Robert Goldstein/Managing Member | |
| RLG Capco II LLC | 3.3% | 4,733,575 | 4,733,575 | 0 | /s/ Robert Goldstein | Robert Goldstein/Manager | |
| Gotham Asset Management, LLC | 0% | 1,195 | 1,195 | 0 | /s/ Robert Goldstein | Robert Goldstein/Managing Principal and Co-Chief Investment Officer | |
| Gotham Asset Management Holdings, LP | 0% | 1,195 | 1,195 | 0 | /s/ Robert Goldstein | Robert Goldstein/Manager of Gotham GP LLC | |
| Gotham GP LLC | 0% | 1,195 | 1,195 | 0 | /s/ Robert Goldstein | Robert Goldstein/Manager | |
| Robert Goldstein | 8.5% | 12,291,972 | 12,290,777 | 1,195 | /s/ Robert Goldstein | Robert Goldstein/Self | |
| Joel Greenblatt | 1% | 1,429,766 | 1,428,571 | 1,195 | /s/ Joel Greenblatt | Joel Greenblatt/Self |