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OmniAb, Inc.

OABI
Healthcare|Biotechnology|US
$5.03
+0.20 (+4.14%)
Tangible Book / Share
$0.40
Cash / Share
$0.50

Ownership Breakdown

81.4%
Float
145.9M
Shares Outstanding
118.7M
Float Shares

Major Holders (9)

Combined: 45.5%

Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.

HolderType% of ClassSharesFiledFiling
Robert GoldsteinHC, IN8.50%12,291,972Feb 10, 202613D/G
Whitefort Capital Management, LPIA, PN7.10%10,248,658Aug 14, 202613D/G
Joseph KaplanHC, IN7.10%10,248,658Aug 14, 202613D/G
David SalanicHC, IN7.10%10,248,658Aug 14, 202613D/G
RLG GP LLCOther5.30%7,557,202Feb 10, 202613D/G
Ash X LPPartnership5.30%7,557,202Feb 10, 202613D/G
RLG Capco II LLCOther3.30%4,733,575Feb 10, 202613D/G
Joel GreenblattHC, IN1.00%1,429,766Feb 10, 202613D/G
Janus Henderson Group PLCIA, HC0.80%948,434Aug 14, 202513D/G

Insider Trades (100)

Last 4 quarters: 4,594,840 acquired · 513,793 disposed
InsiderPositionDateTypeSharesPriceValueFiling
Love StevendirectorNov 1, 2026OPTION EX.13,334——Form 4
Love StevendirectorNov 1, 2026OPTION EX.13,334——Form 4
Nwachuku Amechi EkekeChief Operating OfficerAug 1, 2026AWARD800,000$1.98$1.6MForm 4
Nwachuku Amechi EkekeofficerJul 13, 2026OTHER0——Form 4
Bertozzi Carolyn RdirectorJun 17, 2026OPTION EX.20,000——Form 4
Bertozzi Carolyn RdirectorJun 17, 2026AWARD40,000$2.03$81.2KForm 4
Bertozzi Carolyn RdirectorJun 17, 2026AWARD20,000——Form 4
Bertozzi Carolyn RdirectorJun 17, 2026OPTION EX.20,000——Form 4
Cochran Jennifer R.directorJun 17, 2026OPTION EX.20,000——Form 4
Cochran Jennifer R.directorJun 17, 2026AWARD40,000$2.03$81.2KForm 4
Cochran Jennifer R.directorJun 17, 2026AWARD20,000——Form 4
Cochran Jennifer R.directorJun 17, 2026OPTION EX.20,000——Form 4
Crouse Steven C.directorJun 17, 2026AWARD20,000——Form 4
Crouse Steven C.directorJun 17, 2026AWARD40,000$2.03$81.2KForm 4
Crouse Steven C.directorJun 17, 2026OPTION EX.20,000——Form 4
Crouse Steven C.directorJun 17, 2026OPTION EX.20,000——Form 4
Gotwals Philip JdirectorJun 17, 2026AWARD20,000——Form 4
Gotwals Philip JdirectorJun 17, 2026AWARD40,000$2.03$81.2KForm 4
Gotwals Philip JdirectorJun 17, 2026OPTION EX.20,000——Form 4
Gotwals Philip JdirectorJun 17, 2026OPTION EX.20,000——Form 4
HIGGINS JOHN LdirectorJun 17, 2026OPTION EX.20,000——Form 4
HIGGINS JOHN LdirectorJun 17, 2026AWARD40,000$2.03$81.2KForm 4
HIGGINS JOHN LdirectorJun 17, 2026AWARD20,000——Form 4
HIGGINS JOHN LdirectorJun 17, 2026OPTION EX.20,000——Form 4
Love StevendirectorJun 17, 2026OPTION EX.20,000——Form 4
Love StevendirectorJun 17, 2026AWARD40,000$2.03$81.2KForm 4
Love StevendirectorJun 17, 2026AWARD20,000——Form 4
Love StevendirectorJun 17, 2026OPTION EX.20,000——Form 4
Gotwals Philip JdirectorApr 21, 2026OPTION EX.13,333——Form 4
Gotwals Philip JdirectorApr 21, 2026OPTION EX.13,333——Form 4
Crouse Steven C.directorApr 21, 2026OPTION EX.13,333——Form 4
Crouse Steven C.directorApr 21, 2026OPTION EX.13,333——Form 4
FOEHR MATTHEW Wdirector, officer: President and CEOApr 7, 2026OPTION EX.36,459——Form 4
FOEHR MATTHEW Wdirector, officer: President and CEOApr 7, 2026SELL19,244$1.49$28.7KForm 4
FOEHR MATTHEW Wdirector, officer: President and CEOApr 7, 2026OPTION EX.36,459——Form 4
GUSTAFSON KURT AExecutive VP, Finance and CFOApr 7, 2026OPTION EX.13,542——Form 4
GUSTAFSON KURT AExecutive VP, Finance and CFOApr 7, 2026SELL6,913$1.49$10.3KForm 4
GUSTAFSON KURT AExecutive VP, Finance and CFOApr 7, 2026OPTION EX.13,542——Form 4
Berkman Charles SChief Legal OfficerApr 7, 2026OPTION EX.13,542——Form 4
Berkman Charles SChief Legal OfficerApr 7, 2026SELL7,157$1.49$10.7KForm 4
Berkman Charles SChief Legal OfficerApr 7, 2026OPTION EX.13,542——Form 4
Berkman Charles SChief Legal OfficerFeb 18, 2026AWARD600,000$1.71$1.0MForm 4
Berkman Charles SChief Legal OfficerFeb 18, 2026OPTION EX.18,750——Form 4
Berkman Charles SChief Legal OfficerFeb 18, 2026SELL9,673$1.71$16.5KForm 4
Berkman Charles SChief Legal OfficerFeb 18, 2026AWARD60,000——Form 4
Berkman Charles SChief Legal OfficerFeb 18, 2026OPTION EX.18,750——Form 4
GUSTAFSON KURT AExecutive VP, Finance and CFOFeb 18, 2026AWARD600,000$1.71$1.0MForm 4
GUSTAFSON KURT AExecutive VP, Finance and CFOFeb 18, 2026OPTION EX.18,750——Form 4
GUSTAFSON KURT AExecutive VP, Finance and CFOFeb 18, 2026SELL9,301$1.71$15.9KForm 4
GUSTAFSON KURT AExecutive VP, Finance and CFOFeb 18, 2026AWARD60,000——Form 4
GUSTAFSON KURT AExecutive VP, Finance and CFOFeb 18, 2026OPTION EX.18,750——Form 4
FOEHR MATTHEW Wdirector, officer: President and CEOFeb 18, 2026OPTION EX.58,333——Form 4
FOEHR MATTHEW Wdirector, officer: President and CEOFeb 18, 2026SELL30,843$1.71$52.7KForm 4
FOEHR MATTHEW Wdirector, officer: President and CEOFeb 18, 2026AWARD1,562,500$1.71$2.7MForm 4
FOEHR MATTHEW Wdirector, officer: President and CEOFeb 18, 2026AWARD156,250——Form 4
FOEHR MATTHEW Wdirector, officer: President and CEOFeb 18, 2026OPTION EX.58,333——Form 4
FOEHR MATTHEW Wdirector, officer: President and CEOFeb 16, 2026OPTION EX.36,458——Form 4
FOEHR MATTHEW Wdirector, officer: President and CEOFeb 17, 2026SELL20,754$1.70$35.3KForm 4
FOEHR MATTHEW Wdirector, officer: President and CEOFeb 16, 2026OPTION EX.36,458——Form 4
GUSTAFSON KURT AExecutive VP, Finance and CFOFeb 16, 2026OPTION EX.13,542——Form 4
GUSTAFSON KURT AExecutive VP, Finance and CFOFeb 17, 2026SELL6,828$1.70$11.6KForm 4
GUSTAFSON KURT AExecutive VP, Finance and CFOFeb 16, 2026OPTION EX.13,542——Form 4
Berkman Charles SChief Legal OfficerFeb 16, 2026OPTION EX.13,542——Form 4
Berkman Charles SChief Legal OfficerFeb 17, 2026SELL6,990$1.70$11.9KForm 4
Berkman Charles SChief Legal OfficerFeb 16, 2026OPTION EX.13,542——Form 4
HIGGINS JOHN LdirectorJan 30, 2026OPTION EX.13,172——Form 4
HIGGINS JOHN LdirectorJan 30, 2026OPTION EX.13,172——Form 4
Berkman Charles SChief Legal OfficerDec 7, 2025OPTION EX.15,621——Form 4
Berkman Charles SChief Legal OfficerDec 8, 2025SELL8,044$1.96$15.8KForm 4
Berkman Charles SChief Legal OfficerDec 7, 2025OPTION EX.15,621——Form 4
GUSTAFSON KURT AExecutive VP, Finance and CFODec 7, 2025OPTION EX.46,500——Form 4
GUSTAFSON KURT AExecutive VP, Finance and CFODec 8, 2025SELL23,922$1.96$46.9KForm 4
GUSTAFSON KURT AExecutive VP, Finance and CFODec 7, 2025OPTION EX.46,500——Form 4
FOEHR MATTHEW Wdirector, officer: President and CEODec 7, 2025OPTION EX.26,554——Form 4
FOEHR MATTHEW Wdirector, officer: President and CEODec 8, 2025SELL13,666$1.96$26.8KForm 4
FOEHR MATTHEW Wdirector, officer: President and CEODec 7, 2025OPTION EX.26,554——Form 4
HIGGINS JOHN LdirectorNov 7, 2025BUY41,038$1.38$56.6KForm 4
HIGGINS JOHN LdirectorNov 6, 2025BUY36,223$1.41$51.1KForm 4
Bertozzi Carolyn RdirectorNov 1, 2025OPTION EX.17,769——Form 4
Bertozzi Carolyn RdirectorNov 1, 2025OPTION EX.17,769——Form 4
Love StevendirectorNov 1, 2025OPTION EX.13,333——Form 4
Love StevendirectorNov 1, 2025OPTION EX.13,333——Form 4
FOEHR MATTHEW Wdirector, officer: President and CEOAug 26, 2025AWARD540,540$1.85$1000.0KForm 4
Love StevendirectorJun 17, 2025OPTION EX.20,000——Form 4
Love StevendirectorJun 17, 2025AWARD20,000——Form 4
Love StevendirectorJun 17, 2025AWARD40,000$1.70$68.0KForm 4
Love StevendirectorJun 17, 2025OPTION EX.20,000——Form 4
HIGGINS JOHN LdirectorJun 17, 2025OPTION EX.20,000——Form 4
HIGGINS JOHN LdirectorJun 17, 2025AWARD40,000$1.70$68.0KForm 4
HIGGINS JOHN LdirectorJun 17, 2025AWARD20,000——Form 4
HIGGINS JOHN LdirectorJun 17, 2025OPTION EX.20,000——Form 4
Gotwals Philip JdirectorJun 17, 2025AWARD20,000——Form 4
Gotwals Philip JdirectorJun 17, 2025AWARD40,000$1.70$68.0KForm 4
Crouse Steven C.directorJun 17, 2025AWARD20,000——Form 4
Crouse Steven C.directorJun 17, 2025AWARD40,000$1.70$68.0KForm 4
Cochran Jennifer R.directorJun 17, 2025OPTION EX.20,000——Form 4
Cochran Jennifer R.directorJun 17, 2025AWARD40,000$1.70$68.0KForm 4
Cochran Jennifer R.directorJun 17, 2025AWARD20,000——Form 4
Cochran Jennifer R.directorJun 17, 2025OPTION EX.20,000——Form 4
Bertozzi Carolyn RdirectorJun 17, 2025OPTION EX.20,000——Form 4