Based on data from the past 90 days ending December 12, 2025, OmniAb's three largest insider shareholders are TenPercentOwner Capital Managing Member V, Llc Avista (15.99Mn shares), President And CEO Matthew W Foehr (4.36Mn shares), Director John L Higgins (2.93Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Capital Managing Member V, Llc Avista | 15,992,372 | 02 Jul, 2024 | |
| Acquisition Gp Llc Ii Avista | 8,534,450 | 13 Dec, 2022 | |
| Matthew W Foehr | President And CEO | 4,360,083 | 09 Dec, 2025 |
| John L Higgins | 2,929,148 | 10 Nov, 2025 | |
| Charles S Berkman | Chief Legal Officer | 377,071 | 09 Dec, 2025 |
| Kurt A Gustafson | Executive VP And Finance And Cfo | 252,688 | 09 Dec, 2025 |
| Sunil Patel | 224,265 | 01 Feb, 2023 | |
| Jennifer R. Cochran | 165,274 | 18 Jun, 2025 | |
| Sarah Boyce | 104,381 | 21 Jun, 2024 | |
| Carolyn R Bertozzi | 93,308 | 03 Nov, 2025 | |
| Steven Love | 71,666 | 03 Nov, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 07 Dec, 2025 | Charles S Berkman | Common Stock | A | 15,621 | $0.00 | 385,115 | D | M |
| 07 Dec, 2025 | Matthew W Foehr | Common Stock | A | 26,554 | $0.00 | 4,373,749 | D | M |
| 07 Dec, 2025 | Kurt A Gustafson | Common Stock | A | 46,500 | $0.00 | 276,610 | D | M |
| 08 Dec, 2025 | Kurt A Gustafson | Common Stock | D | 23,922 | $1.96 | 252,688 | D | S |
| 08 Dec, 2025 | Matthew W Foehr | Common Stock | D | 13,666 | $1.96 | 4,360,083 | D | S |
| 08 Dec, 2025 | Charles S Berkman | Common Stock | D | 8,044 | $1.96 | 377,071 | D | S |
| 06 Nov, 2025 | John L Higgins | Common Stock | A | 36,223 | $1.41 | 2,888,110 | D | P |
| 07 Nov, 2025 | John L Higgins | Common Stock | A | 41,038 | $1.38 | 2,929,148 | D | P |
| 01 Nov, 2025 | Carolyn R Bertozzi | Common Stock | A | 17,769 | - | 93,308 | D | M |
| 01 Nov, 2025 | Steven Love | Common Stock | A | 13,333 | - | 71,666 | D | M |
| 26 Aug, 2025 | Matthew W Foehr | Common Stock | A | 540,540 | $1.85 | 4,341,987 | D | A |
| 17 Jun, 2025 | Carolyn R Bertozzi | Common Stock | A | 20,000 | - | 75,539 | D | M |
| 17 Jun, 2025 | John L Higgins | Common Stock | A | 20,000 | - | 2,851,887 | D | M |
| 17 Jun, 2025 | Jennifer R. Cochran | Common Stock | A | 20,000 | - | 165,274 | D | M |
| 17 Jun, 2025 | Steven Love | Common Stock | A | 20,000 | - | 58,333 | D | M |
| 17 Jun, 2025 | Carolyn R Bertozzi | - | - | 75,539 | D | |||
| 15 May, 2025 | Jennifer R. Cochran | - | - | 145,274 | D | |||
| 15 May, 2025 | Jennifer R. Cochran | Common Stock | A | 30,000 | $1.52 | 145,274 | D | P |
| 14 May, 2025 | Steven Love | Common Stock | A | 25,000 | $1.46 | 38,333 | D | P |
| 14 May, 2025 | Steven Love | - | - | 38,333 | D |