JOHN L. HIGGINS - 06 Nov 2025 Form 4 Insider Report for OmniAb, Inc. (OABI)

Role: Director
Signature: By: /s/ Charles S. Berkman, Attorney-in-Fact For: John L. Higgins
Issuer symbol: OABI
Transactions as of: 06 Nov 2025
Transactions value $: $107,707
Form type: 4
Filing time: 10 Nov 2025, 08:30:36 UTC
Previous filing: 03 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
HIGGINS JOHN L	Director	5980 HORTON STREET, STE 600, EMERYVILLE	By: /s/ Charles S. Berkman, Attorney-in-Fact For: John L. Higgins	10 Nov 2025	0001208906

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	OABI	Common Stock	Purchase	$51.1K	+36.2K	+1.27%	$1.41	2.89M	06 Nov 2025	Direct	F1
transaction	OABI	Common Stock	Purchase	$56.6K	+41K	+1.42%	$1.38	2.93M	07 Nov 2025	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.38 to $1.45. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
F2	The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.33 to $1.39. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Content

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.38 to $1.45. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.33 to $1.39. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.