OmniAb, Inc. (OABI) Insider Trading

Over the last 3 months, OABI insiders made 0 open-market buys and 3 sales, a net sale of -$50K (SEC Form 4). Over the last 6 months, 92 institutions increased and 76 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$49.6K
Insider trades by month Buys Sells
Apr
May
Nov
Dec
Feb
Apr
Context3-month price +38.1%Institutions mixed (13F)
DateInsiderTypeSharesPrice
Apr 21, 2026Gotwals Philip JdirectorOption13,333
Apr 21, 2026Crouse Steven C.directorOption13,333
Apr 7, 2026FOEHR MATTHEW Wdirector, officer: President and CEOSell19,244$1.49
Apr 7, 2026Berkman Charles Sofficer: Chief Legal OfficerSell7,157$1.49
Apr 7, 2026Berkman Charles Sofficer: Chief Legal OfficerOption13,542
Apr 7, 2026GUSTAFSON KURT Aofficer: Executive VP, Finance and CFOOption13,542
Apr 7, 2026GUSTAFSON KURT Aofficer: Executive VP, Finance and CFOSell6,913$1.49
Apr 7, 2026FOEHR MATTHEW Wdirector, officer: President and CEOOption36,459
Feb 18, 2026FOEHR MATTHEW Wdirector, officer: President and CEOSell30,843$1.71
Feb 18, 2026FOEHR MATTHEW Wdirector, officer: President and CEOGrant156,250
Feb 18, 2026FOEHR MATTHEW Wdirector, officer: President and CEOGrant1,562,500$1.71
Feb 18, 2026Berkman Charles Sofficer: Chief Legal OfficerGrant60,000
Feb 18, 2026Berkman Charles Sofficer: Chief Legal OfficerGrant600,000$1.71
Feb 18, 2026Berkman Charles Sofficer: Chief Legal OfficerOption18,750
Feb 18, 2026GUSTAFSON KURT Aofficer: Executive VP, Finance and CFOOption18,750
Feb 18, 2026Berkman Charles Sofficer: Chief Legal OfficerSell9,673$1.71
Feb 18, 2026GUSTAFSON KURT Aofficer: Executive VP, Finance and CFOSell9,301$1.71
Feb 18, 2026GUSTAFSON KURT Aofficer: Executive VP, Finance and CFOGrant60,000
Feb 18, 2026GUSTAFSON KURT Aofficer: Executive VP, Finance and CFOGrant600,000$1.71
Feb 18, 2026FOEHR MATTHEW Wdirector, officer: President and CEOOption58,333
Feb 17, 2026Berkman Charles Sofficer: Chief Legal OfficerSell6,990$1.70
Feb 17, 2026Berkman Charles Sofficer: Chief Legal OfficerOption13,542
Feb 17, 2026GUSTAFSON KURT Aofficer: Executive VP, Finance and CFOSell6,828$1.70
Feb 17, 2026GUSTAFSON KURT Aofficer: Executive VP, Finance and CFOOption13,542
Feb 17, 2026FOEHR MATTHEW Wdirector, officer: President and CEOSell20,754$1.70
Feb 17, 2026FOEHR MATTHEW Wdirector, officer: President and CEOOption36,458
Jan 30, 2026HIGGINS JOHN LdirectorOption13,172
Dec 9, 2025Berkman Charles Sofficer: Chief Legal OfficerOption15,621
Dec 9, 2025Berkman Charles Sofficer: Chief Legal OfficerSell8,044$1.96
Dec 9, 2025GUSTAFSON KURT Aofficer: Executive VP, Finance and CFOOption46,500

Source: OABI SEC Form 4 filings, latest Apr 21, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their OABI positions over the last 6 months (SEC Form 13F).

Increased
92
New positions
33
Reduced
76
Sold out
41
Largest moves
InstitutionActionSharesFiled
WHITEFORT CAPITAL MANAGEMENT, LPUnchanged14.2MFeb 17, 2026
WHITEFORT CAPITAL MANAGEMENT, LPUnchanged14.2MMay 15, 2026
BLACKROCK, INC.Increased8.1MMay 13, 2026
BLACKROCK, INC.Increased8.1MFeb 12, 2026
VANGUARD GROUP INCIncreased5.6MJan 29, 2026
CADIAN CAPITAL MANAGEMENT, LPIncreased4.4MFeb 17, 2026
CADIAN CAPITAL MANAGEMENT, LPReduced4.2MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position4.0MMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased2.9MMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased2.7MFeb 9, 2026
RICE HALL JAMES & ASSOCIATES, LLCIncreased2.5MMay 15, 2026
PRIVATE MANAGEMENT GROUP INCIncreased2.4MMay 8, 2026
PRIVATE MANAGEMENT GROUP INCReduced2.4MFeb 12, 2026
RICE HALL JAMES & ASSOCIATES, LLCReduced2.4MFeb 17, 2026
DIMENSIONAL FUND ADVISORS LPReduced2.2MFeb 12, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.