2 unchanged sentences
From time to time, our officers (as defined in Rule 16a-1(f) of the Exchange Act) and directors may enter into Rule 10b5-1 or non-Rule 10b5-1 trading arrangements (as each such term is defined in Item 408 of Regulation S-K).
−Removed: During the three months ended March 31, 2026, none of our officers or directors adopted , modified, or terminated any such trading arrangements.
+Added: During the three months ended June 30, 2026, none of our officers or directors adopted , modified, or terminated any such trading arrangements.
Incorporated by Reference
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S-4 333-264525 September 27, 2022 4.5
+Added: Change in Control Severance Agreement, effective July 13, 2026, between OmniAb, Inc.
+Added: and Amechi Nwachuku X
Certification of Chief Executive Officer, as required by Rule 13a-14(a) or Rule 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 X
10 unchanged sentences
_____________
−Removed: + Certain schedules and annexes have been omitted in accordance with Item 601(b)(2) of Regulation S-K.
+Added: + Certain schedules and annexes have been omitted in accordance with Item 601(a)(5) of Regulation S-K.
A copy of any omitted schedule and/or annex will be furnished as a supplement to the SEC upon request.
+Added: # Indicates management contract or compensatory plan.
* This certification is deemed not filed for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act or the Exchange Act.
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
−Removed: May 7, 2026 By:
+Added: August 6, 2026 By:
/s/ Kurt Gustafson
3 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.