Steven C. Crouse - Apr 21, 2025 Form 4 Insider Report for OmniAb, Inc. (OABI)

Role: Director
Signature: By: /s/ Charles S. Berkman, Attorney-in-Fact For: Steven C. Crouse
Stock symbol: OABI
Transactions as of: Apr 21, 2025
Transactions value $: $0
Form type: 4
Date filed: 4/21/2025, 07:52 PM
SEC: View on sec.gov

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	OABI	Restricted Stock Units	Award	$0	+40K		$0.00	40K	Apr 21, 2025	Common Stock	40K		Direct	F1, F2
transaction	OABI	Stock Option (right to buy)	Award	$0	+80K		$0.00	80K	Apr 21, 2025	Common Stock	80K	$1.83	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.
F2	The RSU grant vests in three substantially equal annual installments beginning on April 21, 2026, subject to the Reporting Person's continued service to the Issuer through each such vesting date.
F3	The Stock Option grant vests and becomes exercisable in three substantially equal annual installments beginning on April 21, 2026, subject to the Reporting Person's continued service to the Issuer through each such vesting date.