OmniAb, Inc.

OABI
Exchange
Nasdaq
Industry
Services-Commercial Physical & Biological Research
SEC CIK
0001846253

Other share classesOABIW

Price chart

Open-market purchases and sales by OABI insiders, newest first.

Insider trades
Filed (ET)Trade dateInsiderTransactionSharesAvg priceValueShares afterHolding changeFiling
Apr 7, 2026Apr 7, 2026FOEHR MATTHEW WPresident and CEOSSaleCommon Stock−19.24K$1.49−$28.67K4.42M−0.4%SEC
Apr 7, 2026Apr 7, 2026GUSTAFSON KURT AExecutive VP, Finance and CFOSSaleCommon Stock−6.91K$1.49−$10.3K261.48K−2.6%SEC
Apr 7, 2026Apr 7, 2026Berkman Charles SChief Legal OfficerSSaleCommon Stock−7.16K$1.49−$10.66K399.09K−1.8%SEC
Feb 18, 2026Feb 18, 2026GUSTAFSON KURT AExecutive VP, Finance and CFOSSaleCommon Stock−9.3K$1.71−$15.9K268.85K−3.3%SEC
Feb 18, 2026Feb 18, 2026Berkman Charles SChief Legal OfficerSSaleCommon Stock−9.67K$1.71−$16.54K392.7K−2.4%SEC

The largest institutional positions in OABI at the end of Q2 2026.

Institutions holding OABI in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Whitefort Capital Management, LP10,248,658$25.21M6.21%−3,975,000−27.9%Reduced
BlackRock, Inc.8,897,490$21.89M0.00%+790,609+9.8%Added
NOMURA HOLDINGS INC5,028,160$12.37M0.05%+4,323,112+613.2%Added
CADIAN CAPITAL MANAGEMENT, LP4,211,821$10.36M0.78%+54,692+1.3%Added
VANGUARD CAPITAL MANAGEMENT LLC3,852,356$9.48M0.00%−141,296−3.5%Reduced