OmniAb (OABI) director gains stock, options and RSUs in Form 4

Rhea-AI Filing Summary

OmniAb, Inc. director Steven Love reported equity compensation transactions and an option-related share acquisition. On June 17, 2026, he acquired 20,000 shares of Common Stock through the exercise or conversion of a derivative security, bringing his direct Common Stock holdings to 91,666 shares.

On the same date, he received a grant of 40,000 Stock Options with an exercise price of $2.03 per share, exercisable for Common Stock until June 17, 2036. He also received 20,000 Restricted Stock Units, each representing one share of Common Stock, and 20,000 RSUs vested into shares, leaving 13,334 RSUs outstanding. All activity reflects awards, vesting, and exercises; no open‑market purchases or sales were reported.

Insider Trade Summary

20,000 shares exercised/converted

Mixed 4 txns

Insider Love Steven

Role null

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	20,000	$0.00	--
Grant/Award	Restricted Stock Units	20,000	$0.00	--
Grant/Award	Stock Option (right to buy)	40,000	$0.00	--
Exercise	Common Stock	20,000	$0.00	--

Holdings After Transaction: Restricted Stock Units — 13,334 shares (Direct, null); Stock Option (right to buy) — 40,000 shares (Direct, null); Common Stock — 91,666 shares (Direct, null)

Footnotes (1)

1. Represents the vesting of an RSU granted on June 17, 2025, 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. 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 grant date. 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.

Key Figures

Shares acquired via exercise: 20,000 shares Common shares held after transactions: 91,666 shares Stock options granted: 40,000 options +4 more

7 metrics

Shares acquired via exercise 20,000 shares Common Stock from derivative exercise on June 17, 2026

Common shares held after transactions 91,666 shares Direct OmniAb Common Stock holdings post-Form 4

Stock options granted 40,000 options Right to buy Common Stock at $2.03, expiring June 17, 2036

Option exercise price $2.03 per share Exercise price for 40,000 stock options granted June 17, 2026

RSUs granted 20,000 RSUs Restricted Stock Units representing Common Stock, granted June 17, 2026

RSUs outstanding after vesting 13,334 RSUs Restricted Stock Units remaining following June 17, 2026 transactions

Derivative exercises reported 20,000 shares ExerciseCount from transactionSummary for derivative exercises

Key Terms

Restricted Stock Units, Stock Option (right to buy), Exercise or conversion of derivative security, vesting

4 terms

Restricted Stock Units financial

"Restricted Stock Units, each representing a contingent right to receive one share of Common Stock."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Stock Option (right to buy) financial

"Stock Option (right to buy) with an exercise price of $2.03 per share."

Exercise or conversion of derivative security financial

"Transaction code M described as Exercise or conversion of derivative security."

vesting financial

"Represents the vesting of an RSU granted on June 17, 2025."

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

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Form 4 Insider Transactions: What Each Field Means →

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^*

Love Steven

(Last) (First) (Middle)

5980 HORTON STREET, STE 600

(Street)

EMERYVILLE CALIFORNIA 94608

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/17/2026

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

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

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

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	06/17/2026		M		20,000(1)	A	(2)	91,666	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)	06/17/2026		M			20,000	(1)	(1)	Common Stock	20,000	$0	13,334	D
Restricted Stock Units	(2)	06/17/2026		A		20,000		(3)	(3)	Common Stock	20,000	$0	33,334	D
Stock Option (right to buy)	$2.03	06/17/2026		A		40,000		(4)	06/17/2036	Common Stock	40,000	$0	40,000	D

Explanation of Responses:

1. Represents the vesting of an RSU granted on June 17, 2025, 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: Steven Love	06/18/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did OmniAb (OABI) director Steven Love report?

Steven Love reported exercising a derivative to acquire 20,000 OmniAb common shares and receiving grants of 40,000 stock options and 20,000 restricted stock units. These are equity compensation and vesting events, with no open-market buying or selling disclosed.

How many OmniAb (OABI) common shares does Steven Love hold after these transactions?

After the reported transactions, Steven Love directly holds 91,666 shares of OmniAb common stock. This reflects the addition of 20,000 shares acquired through the exercise or conversion of a derivative security on June 17, 2026, combined with his prior holdings.

What are the terms of the stock options granted to Steven Love at OmniAb (OABI)?

Steven Love received 40,000 stock options with an exercise price of $2.03 per share, each exercisable for OmniAb common stock. These options are scheduled to vest in full by the earlier of the next annual stockholders’ meeting or the first anniversary of the June 17, 2026 grant date.

What did the restricted stock unit activity involve for OmniAb (OABI) director Steven Love?

Steven Love received 20,000 new restricted stock units and had 20,000 RSUs vest into common shares on June 17, 2026. Each RSU represents a right to one OmniAb common share, leaving 13,334 RSUs outstanding following the reported transactions.

Were there any open-market purchases or sales by Steven Love in this OmniAb (OABI) Form 4?

No open-market purchases or sales were reported. All transactions were coded as equity awards or derivative exercises, including RSU vesting and a stock option grant, meaning the changes in holdings arose from compensation arrangements rather than market trading.