Carolyn R. Bertozzi - 17 Jun 2025 Form 4 Insider Report for OmniAb, Inc. (OABI)

Role
Director
Signature
By: /s/ Charles S. Berkman, Attorney-in-Fact For: Carolyn R Bertozzi
Issuer symbol
OABI
Transactions as of
17 Jun 2025
Net transactions value
$0
Form type
4
Filing time
18 Jun 2025, 16:11:25 UTC
Previous filing
12 May 2025
Next filing
03 Nov 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Bertozzi Carolyn R Director 5980 HORTON STREET, STE 600, EMERYVILLE By: /s/ Charles S. Berkman, Attorney-in-Fact For: Carolyn R Bertozzi 18 Jun 2025 0001698766

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OABI Common Stock Options Exercise +20,000 +36% 75,539 17 Jun 2025 Direct F1, F2

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 Options Exercise $0 -20,000 -53% $0.000000 17,769 17 Jun 2025 Common Stock 20,000 Direct F1, F2
transaction OABI Restricted Stock Units Award $0 +20,000 +113% $0.000000 37,769 17 Jun 2025 Common Stock 20,000 Direct F2, F3
transaction OABI Stock Option (right to buy) Award $0 +40,000 $0.000000 40,000 17 Jun 2025 Common Stock 40,000 $1.70 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the vesting of an RSU granted on June 18, 2024, which occurs 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 grant date.
F2 Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.
F3 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 grant date.
F4 Each Stock Option shall vest and become exercisable 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.