OmniAb, Inc. — Director's Dealing 2023

Dec 12, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OmniAb, Inc. (OABI)
CIK: 0001846253
Period of Report: 2023-12-07

Reporting Person: GUSTAFSON KURT A (Executive VP, Finance & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-12-07	Common Stock	M	46503	—	Acquired	174786	Direct
2023-12-07	Common Stock	F	16081	$4.85	Disposed	158705	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-12-07	Restricted Stock Units	$0	M	46503	Disposed		Common Stock (46503)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$0		Common Stock (46498)	46498	Direct
Restricted Stock Units	$0		Common Stock (139504)	186002	Direct
Restricted Stock Units	$0		Common Stock (40625)	226627	Direct

Footnotes

F1: Represents Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in three substantially equal annual installments beginning on December 07, 2023, subject to the Reporting Person's continued service to the Issuer through each such vesting date.

F2: The total includes 8,334 shares acquired on May 31, 2023, and 11,160 shares acquired on November 30, 2023, through the Issuer's Employee Stock Purchase Plan
(ESPP).

F3: Represents shares withheld to satisfy tax withholding obligations upon the vesting of previously reported restricted stock units ("RSUs").

F4: Represents RSUs previously reported in Table I. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in two substantially equal annual installments, beginning April 1st, 2024, subject to the Reporting Person's continued service to the Issuer through each such vesting date.

F5: Represents RSUs previously reported in Table I. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in three substantially equal annual installments, beginning December 7th, 2023, subject to the Reporting Person's continued service to the Issuer through each such vesting date.

F6: Represents RSUs previously reported in Table I. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Vesting occurs in three substantially equal annual installments, beginning April 7th, 2024, subject to the Reporting Person's continued service to the Issuer through each such vesting date.