OmniAb director Higgins acquires 13,172 shares

OmniAb, Inc. director John L. Higgins reported the vesting of 13,172 restricted stock units (RSUs) and the corresponding acquisition of 13,172 shares of common stock on January 30, 2026.

Accepted by SEC EDGAR 01/30/2026 - 04:07 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

OmniAb, Inc. director John L. Higgins reported the vesting of 13,172 restricted stock units (RSUs) and the corresponding acquisition of 13,172 shares of common stock on January 30, 2026.

The RSUs vest in three substantially equal annual installments beginning January 30, 2024, conditioned on his continued service. After this transaction, he beneficially owns 2,942,320 shares of common stock and 20,000 RSUs directly.

Insider Trade Summary

13,172 shares exercised/converted

Exercise 2 txns

Insider HIGGINS JOHN L

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	13,172	$0.00	$0.00
Exercise	Common Stock	13,172	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 20,000 contracts (Direct); Common Stock — 2,942,320 shares (Direct)

Holdings Before and After: Restricted Stock Units, 33,172 to 20,000 contracts (Direct); Common Stock, 2,929,148 to 2,942,320 shares (Direct)

Footnotes (2)

1. F1. Represents the vesting of an RSU which occurs in three substantially equal annual installments, beginning January 30th, 2024, subject to the Reporting Person's continued service to the Issuer through each such vesting date.
2. F2. Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did OmniAb (OABI) director John L. Higgins report?

John L. Higgins reported the vesting of 13,172 restricted stock units and the related acquisition of 13,172 OmniAb common shares. This is a stock-based compensation event, not an open-market purchase or sale, and reflects scheduled equity vesting for a company director.

When did John L. Higgins’s RSUs vest at OmniAb (OABI)?

The reported restricted stock units vested on January 30, 2026. These RSUs are part of an award that vests in three substantially equal annual installments starting January 30, 2024, subject to his continued service to OmniAb through each applicable vesting date.

How many OmniAb (OABI) shares does John L. Higgins own after this Form 4?

Following the reported transaction, John L. Higgins beneficially owns 2,942,320 shares of OmniAb common stock. In addition, he holds 20,000 restricted stock units, each representing a contingent right to receive one share of OmniAb common stock in the future.

What do the RSUs reported by John L. Higgins at OmniAb (OABI) represent?

Each restricted stock unit represents a contingent right to receive one share of OmniAb common stock. The units vest in three substantially equal annual installments beginning January 30, 2024, provided that Higgins continues his service with the company through each vesting date.

Was cash paid in John L. Higgins’s OmniAb (OABI) RSU vesting?

The Form 4 shows the RSU conversion to common stock at a price of $0.00 per share. This indicates the event is equity compensation vesting rather than a cash purchase, consistent with typical restricted stock unit awards granted to company directors.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HIGGINS JOHN L

(Last) (First) (Middle)

5980 HORTON STREET, STE 600

(Street)

EMERYVILLE CA 94608

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
OmniAb, Inc. [ OABI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/30/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/30/2026		M		13,172(1)	A	(2)	2,942,320	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(2)	01/30/2026		M			13,172	(1)	(1)	Common Stock	13,172	$0	20,000	D

Explanation of Responses:

1. Represents the vesting of an RSU which occurs in three substantially equal annual installments, beginning January 30th, 2024, subject to the Reporting Person's continued service to the Issuer through each such vesting date.

2. Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock.

Remarks:

	By: /s/ Charles S. Berkman, Attorney-in-Fact For: John L. Higgins	01/30/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.