OmniAb (OABI) director adds shares through RSU vesting and new equity grants

Rhea-AI Filing Summary

OmniAb director Jennifer R. Cochran reported equity compensation-related transactions. On June 17, 20,000 Restricted Stock Units vested and were converted into 20,000 shares of Common Stock, bringing her direct holdings to 185,274 shares. She also received 40,000 stock options with a $2.03 exercise price and 20,000 new RSUs, each tied to one share of Common Stock, all vesting in full on the earlier of the next annual stockholder meeting or the first anniversary of the grant date.

Insider Trade Summary

20,000 shares exercised/converted

Mixed 4 txns

Insider Cochran Jennifer R.

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 — 0 shares (Direct, null); Stock Option (right to buy) — 40,000 shares (Direct, null); Common Stock — 185,274 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

RSUs vested into shares: 20,000 shares Common shares after transactions: 185,274 shares Stock options granted: 40,000 options +2 more

5 metrics

RSUs vested into shares 20,000 shares RSUs granted June 17, 2025 converted to Common Stock on vesting

Common shares after transactions 185,274 shares Direct Common Stock holdings following RSU conversion

Stock options granted 40,000 options Right to buy Common Stock, vesting on service conditions

Stock option exercise price $2.03 per share Exercise price for 40,000 stock options expiring June 17, 2036

New RSUs granted 20,000 RSUs Each RSU represents a contingent right to one Common share

Key Terms

Restricted Stock Unit, Stock Option, exercise or conversion of derivative security, grant, award, or other acquisition, +1 more

5 terms

Restricted Stock Unit financial

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

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Stock Option financial

"Each Stock Option shall vest and become exercisable in full on the earlier of (A) the date of the next annual meeting..."

A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.

exercise or conversion of derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security""

grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition""

Common Stock financial

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

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

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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^*

Cochran Jennifer R.

(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)	185,274	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	0	D
Restricted Stock Units	(2)	06/17/2026		A		20,000		(3)	(3)	Common Stock	20,000	$0	20,000	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: Jennifer R. Cochran	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 equity transactions did OmniAb (OABI) director Jennifer Cochran report?

Jennifer Cochran reported compensation-related equity transactions, including RSU vesting and new grants. 20,000 RSUs vested into Common Stock and she received 40,000 stock options plus 20,000 new RSUs, all tied to future service-based vesting conditions.

How many OmniAb (OABI) common shares does Jennifer Cochran hold after these Form 4 transactions?

After these transactions, Jennifer Cochran directly holds 185,274 shares of OmniAb Common Stock. This reflects the conversion of 20,000 vested RSUs into shares, in addition to her prior holdings reported in the Form 4 data.

What stock option grant did OmniAb (OABI) provide to Jennifer Cochran?

OmniAb granted Jennifer Cochran 40,000 stock options, each giving the right to buy one share of Common Stock at an exercise price of $2.03. These options vest in full on the earlier of the next annual stockholder meeting or the first anniversary of the grant date.

What Restricted Stock Units did OmniAb (OABI) grant to Jennifer Cochran?

Jennifer Cochran received 20,000 new Restricted Stock Units, each representing a contingent right to one share of Common Stock. These RSUs vest in full on the earlier of the next annual meeting of stockholders following the grant date or the first anniversary of the grant date.

How were Jennifer Cochran’s vested OmniAb (OABI) RSUs treated in this Form 4?

20,000 RSUs granted on June 17, 2025 vested and were converted into 20,000 shares of OmniAb Common Stock. This vesting was triggered on the earlier of the next annual stockholder meeting after grant or the first anniversary of that grant date.

When do Jennifer Cochran’s OmniAb (OABI) stock options expire?

The 40,000 stock options granted to Jennifer Cochran carry an expiration date of June 17, 2036. They vest in full before expiration, on the earlier of the next annual stockholder meeting following grant or the first anniversary of the grant date.