<SEC-DOCUMENT>0001846253-23-000056-index.html : 20230501
<SEC-HEADER>0001846253-23-000056.hdr.sgml : 20230501
<ACCEPTANCE-DATETIME>20230501090221
ACCESSION NUMBER:		0001846253-23-000056
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20230501
DATE AS OF CHANGE:		20230501

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OmniAb, Inc.
		CENTRAL INDEX KEY:			0001846253
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40720
		FILM NUMBER:		23870518

	BUSINESS ADDRESS:	
		STREET 1:		5980 HORTON STREET
		STREET 2:		SUITE 600
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608
		BUSINESS PHONE:		510-250-7800

	MAIL ADDRESS:	
		STREET 1:		5980 HORTON STREET
		STREET 2:		SUITE 600
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Avista Public Acquisition Corp. II
		DATE OF NAME CHANGE:	20210212
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>oabi2022proxydefa14aa.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: oabi2022proxydefa14aa.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>defa14aproxycard_omniabx001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: defa14aproxycard_omniabx001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>defa14aproxycard_omniabx002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: defa14aproxycard_omniabx002.jpg

</DOCUMENT>
</SEC-DOCUMENT>