Steven C. Crouse - 17 Jun 2026 Form 4 Insider Report for OmniAb, Inc. (OABI)

Reporting relationship: Director
Issuer ticker: OABI
Reported as of: 17 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 Jun 2026, 16:32:01 UTC
Prior SEC filing: 04 Jun 2026
Source filing: View source filing
Reporting owner signature: By: /s/ Charles S. Berkman, Attorney-in-Fact For: Steven C. Crouse

Key filing fact

Steven C. Crouse filed Form 4 for OmniAb, Inc. (OABI) on 18 Jun 2026.

Key facts

This page summarizes Steven C. Crouse's Form 4 filing for OmniAb, Inc. (OABI).
4 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 18 Jun 2026, 16:32.

Change

Previous filing in this sequence was filed on 04 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002065241 Primary reporting owner

Crouse Steven C.

Relationship: Director
Address: 5980 HORTON STREET, SUITE 600, EMERYVILLE
Signature: By: /s/ Charles S. Berkman, Attorney-in-Fact For: Steven C. Crouse
Signature date: 18 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

OABI transaction

Common Stock

Options Exercise

Transaction value
Shares: +20,000
Change %: +150%
Price
Shares after: 33,333
Date: 17 Jun 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

OABI transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -20,000
Change %: -43%
Price: $0.000000^*
Shares after: 26,667
Date: 17 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 20,000
Exercise price
Footnotes: F1, F2

OABI transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +20,000
Change %: +75%
Price: $0.000000^*
Shares after: 46,667
Date: 17 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 20,000
Exercise price
Footnotes: F2, F3

OABI transaction Derivative

Stock Option (right to buy)

Award

Transaction value
Shares: +40,000
Change %
Price: $0.000000^*
Shares after: 40,000
Date: 17 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 40,000
Exercise price: $2.03
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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.

Footnote F2

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

Footnote F3

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.

Footnote F4

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.