OmniAb, Inc. (OABI) Insider Ownership

Historic Insider Ownership Trends

OmniAb's three largest insider shareholders as of March 23, 2026 are Capital Managing Member V, Llc Avista (TenPercentOwner, 15.86Mn shares), Acquisition Gp Llc Ii Avista (Director, 8.53Mn shares), Sunil Patel (Director, 224.26K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Capital Managing Member V, Llc Avista 0 15,862,815 02 Jul, 2024
Acquisition Gp Llc Ii Avista 0 8,534,450 13 Dec, 2022
Sunil Patel 224,265 0 01 Feb, 2023
Jennifer R. Cochran 165,274 0 18 Jun, 2025
Carolyn R Bertozzi 93,308 0 03 Nov, 2025
Sarah Boyce 68,381 0 20 Jun, 2024
Sarah Boyce 0 36,000 14 Nov, 2022

* 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
01 Nov, 2025 Carolyn R Bertozzi Common Stock A 17,769 - 93,308 D M
01 Nov, 2025 Carolyn R Bertozzi Restricted Stock Units D 17,769 $0.00 20,000 D M
17 Jun, 2025 Jennifer R. Cochran Common Stock A 20,000 - 165,274 D M
17 Jun, 2025 Carolyn R Bertozzi Common Stock A 20,000 - 75,539 D M
17 Jun, 2025 Steven C. Crouse Restricted Stock Units A 20,000 $0.00 60,000 D A
17 Jun, 2025 Philip J Gotwals Restricted Stock Units A 20,000 $0.00 60,000 D A
17 Jun, 2025 Steven C. Crouse Stock Option (right to buy) A 40,000 $0.00 40,000 D A
17 Jun, 2025 Jennifer R. Cochran Restricted Stock Units D 20,000 $0.00 0 D M
17 Jun, 2025 Philip J Gotwals Stock Option (right to buy) A 40,000 $0.00 40,000 D A
17 Jun, 2025 Carolyn R Bertozzi Restricted Stock Units D 20,000 $0.00 17,769 D M
17 Jun, 2025 Carolyn R Bertozzi Restricted Stock Units A 20,000 $0.00 37,769 D A
17 Jun, 2025 Jennifer R. Cochran Restricted Stock Units A 20,000 $0.00 20,000 D A
17 Jun, 2025 Carolyn R Bertozzi Stock Option (right to buy) A 40,000 $0.00 40,000 D A
17 Jun, 2025 Jennifer R. Cochran Stock Option (right to buy) A 40,000 $0.00 40,000 D A
15 May, 2025 Jennifer R. Cochran Common Stock A 30,000 $1.52 145,274 D P
21 Apr, 2025 Steven C. Crouse Restricted Stock Units A 40,000 $0.00 40,000 D A
21 Apr, 2025 Philip J Gotwals Restricted Stock Units A 40,000 $0.00 40,000 D A
21 Apr, 2025 Philip J Gotwals Stock Option (right to buy) A 80,000 $0.00 80,000 D A
21 Apr, 2025 Steven C. Crouse Stock Option (right to buy) A 80,000 $0.00 80,000 D A
01 Nov, 2024 Carolyn R Bertozzi Common Stock A 17,769 - 55,539 D M