OmniAb, Inc. (OABI) Insider Trading

Over the last 6 months, 40 institutions increased and 42 reduced their position (13F).

Insider Activity

Sentiment
50/100
Buys (3m)
0
Sells (3m)
0
Net (3m)
$0
Insider trades by month Buys Sells
Apr
May
Nov
Dec
Feb
Apr
Context3-month price +68.8%Institutions reducing (13F)
DateInsiderTypeSharesPrice
Aug 3, 2026Nwachuku Amechi Ekekeofficer: Chief Operating OfficerGrant800,000$1.98
Jun 18, 2026Love StevendirectorGrant20,000
Jun 18, 2026Bertozzi Carolyn RdirectorOption20,000
Jun 18, 2026Love StevendirectorOption20,000
Jun 18, 2026HIGGINS JOHN LdirectorGrant40,000$2.03
Jun 18, 2026HIGGINS JOHN LdirectorGrant20,000
Jun 18, 2026HIGGINS JOHN LdirectorOption20,000
Jun 18, 2026Gotwals Philip JdirectorGrant40,000$2.03
Jun 18, 2026Gotwals Philip JdirectorGrant20,000
Jun 18, 2026Love StevendirectorGrant40,000$2.03
Jun 18, 2026Gotwals Philip JdirectorOption20,000
Jun 18, 2026Bertozzi Carolyn RdirectorGrant40,000$2.03
Jun 18, 2026Bertozzi Carolyn RdirectorGrant20,000
Jun 18, 2026Crouse Steven C.directorGrant40,000$2.03
Jun 18, 2026Crouse Steven C.directorGrant20,000
Jun 18, 2026Crouse Steven C.directorOption20,000
Jun 18, 2026Cochran Jennifer R.directorGrant40,000$2.03
Jun 18, 2026Cochran Jennifer R.directorGrant20,000
Jun 18, 2026Cochran Jennifer R.directorOption20,000
Apr 21, 2026Gotwals Philip JdirectorOption13,333
Apr 21, 2026Crouse Steven C.directorOption13,333
Apr 7, 2026GUSTAFSON KURT Aofficer: Executive VP, Finance and CFOOption13,542
Apr 7, 2026Berkman Charles Sofficer: Chief Legal OfficerOption13,542
Apr 7, 2026GUSTAFSON KURT Aofficer: Executive VP, Finance and CFOSell6,913$1.49
Apr 7, 2026Berkman Charles Sofficer: Chief Legal OfficerSell7,157$1.49
Apr 7, 2026FOEHR MATTHEW Wdirector, officer: President and CEOSell19,244$1.49
Apr 7, 2026FOEHR MATTHEW Wdirector, officer: President and CEOOption36,459
Feb 18, 2026GUSTAFSON KURT Aofficer: Executive VP, Finance and CFOGrant60,000
Feb 18, 2026FOEHR MATTHEW Wdirector, officer: President and CEOOption58,333
Feb 18, 2026GUSTAFSON KURT Aofficer: Executive VP, Finance and CFOGrant600,000$1.71

Source: OABI SEC Form 4 filings, latest Aug 3, 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
40
New positions
25
Reduced
42
Sold out
129
Largest moves
InstitutionActionSharesFiled
WHITEFORT CAPITAL MANAGEMENT, LPUnchanged14.2MMay 15, 2026
BLACKROCK, INC.Increased8.1MMay 13, 2026
CADIAN CAPITAL MANAGEMENT, LPReduced4.2MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position4.0MMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased2.9MMay 15, 2026
RICE HALL JAMES & ASSOCIATES, LLCIncreased2.5MMay 15, 2026
PRIVATE MANAGEMENT GROUP INCIncreased2.4MMay 8, 2026
STATE STREET CORPIncreased2.1MMay 15, 2026
DIMENSIONAL FUND ADVISORS LPReduced1.7MMay 7, 2026
TOWERVIEW LLCUnchanged1.0MMay 5, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INCReduced960KMay 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position904KMay 8, 2026
NORTHERN TRUST CORPIncreased881KMay 14, 2026
ISTHMUS PARTNERS, LLCIncreased757KApr 30, 2026
VANGUARD FIDUCIARY TRUST CONew Position726KMay 8, 2026

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