OmniAb, Inc. — Director's Dealing 2023

Jun 28, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: OmniAb, Inc. (OABI)
CIK: 0001846253
Period of Report: 2023-06-23

Reporting Person: HIGGINS JOHN L (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-12-28	Common Stock	F	25914	$3.66	Acquired	2397255	Direct
2023-01-04	Common Stock	F	57803	$3.23	Acquired	2339452	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-06-23	Restricted Stock Units	$	A	20000	Acquired		Common Stock (20000)	Direct
2023-06-23	Stock Option (right to buy)	$4.81	A	40000	Acquired	2033-06-23	Common Stock (40000)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$		Common Stock (39517)	39517	Direct

Footnotes

F1: Represents shares withheld to satisfy tax withholding obligations upon the vesting of previously reported restricted stock units ("RSUs").

F2: The Reporting Person previously reported certain awards of Restricted Stock Units (RSUs) in Table I of Form 4, but has elected to report the RSUs in Table II going
forward. As a result, the total reported in Column 5 of Table I has been updated to subtract 39,517 RSUs outstanding on June 23, 2023.

F3: 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
equal annual installments, beginning January 30, 2024.

F4: Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest in full on the earlier of (A) the
date of the next annual meeting of the Company's stockholders following the grant date and (B) the first anniversary of the date of grant.

F5: Each Stock Option shall vest and become exercisable in full on the earlier of (A) the date of the annual meeting of the Company's stockholders next following the grant
date and (B) on the first anniversary of the date of grant.