OABI Form 4: Insider Boosts Stake, Receives Fresh RSUs and Options

Rhea-AI Filing Summary

OmniAb, Inc. (OABI) – Form 4 insider activity dated 06/17/2025

Director John L. Higgins reported multiple equity transactions. He converted 20,000 previously granted RSUs (transaction code M), receiving an equal number of common shares at no cash cost and lifting his directly held stake to 2,851,887 shares. No shares were sold.

On the same day, the board granted Higgins a new equity package comprising 20,000 RSUs and 40,000 stock options with a $1.70 exercise price expiring 06/17/2035. Both awards vest in full on the earlier of the next annual shareholder meeting or 12 months from grant, aligning with the company’s typical director compensation schedule.

Post-transactions, Higgins’ derivative exposure consists of 33,172 unvested RSUs and 40,000 unexercised options. The filing signals continued long-term alignment as the insider’s net ownership increased and no dispositions were made. The incremental dilution from the new awards is de minimis relative to OmniAb’s outstanding share count and does not alter the firm’s capital structure.

Positive

• Insider ownership rises by 20,000 shares to 2,851,887, indicating confidence and alignment with shareholders.
• No shares were sold, eliminating immediate selling-pressure concerns.
• Option strike set at $1.70, providing upside incentive while suggesting management perceives current valuation as attractive.

Negative

• Additional 60,000 equity instruments (RSUs + options) add slight dilution, though immaterial in scale.

Insights

Financial Analyst

TL;DR: Director increased direct ownership and received routine equity awards; no sales, marginal dilution, neutral-to-slightly positive signal.

The conversion of 20,000 RSUs into common shares raises Higgins’ stake to 2.85 million shares, reinforcing insider alignment. Fresh grants of 20,000 RSUs and 40,000 options at $1.70 represent standard board compensation and introduce minimal potential dilution. Absence of any share sales removes a negative overhang. From a valuation perspective, the transactions are unlikely to move the needle but may be read as a vote of confidence. Overall market impact is modest.

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)
06/17/2025

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	06/17/2025		M		20,000(1)	A	(2)	2,851,887	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)	06/17/2025		M			20,000	(1)	(1)	Common Stock	20,000	$0	13,172	D
Restricted Stock Units	(2)	06/17/2025		A		20,000		(3)	(3)	Common Stock	20,000	$0	33,172	D
Stock Option (right to buy)	$1.7	06/17/2025		A		40,000		(4)	06/17/2035	Common Stock	40,000	$0	40,000	D

Explanation of Responses:

1. 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.

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

3. 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.

4. 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.

Remarks:

	By: /s/ Charles S. Berkman, Attorney-in-Fact For: John L. Higgins	06/18/2025
	** 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.

FAQ

How many OmniAb (OABI) shares does Director John L. Higgins now own?

After the RSU conversion, Higgins directly owns 2,851,887 common shares.

Did the insider sell any OmniAb shares in this Form 4?

No. All reported transactions were acquisitions or grants; there were no dispositions.

What new equity awards were granted to Higgins?

He received 20,000 RSUs and 40,000 stock options with a $1.70 strike price, vesting by the next annual meeting or within one year.

When do the newly granted RSUs and options vest?

Both awards vest in full on the earlier of the next annual shareholder meeting or the first anniversary of 06/17/2025.

What is the expiration date of the newly granted stock options?

The options expire on 06/17/2035.