<SEC-DOCUMENT>0001846253-25-000013.txt : 20250219
<SEC-HEADER>0001846253-25-000013.hdr.sgml : 20250219
<ACCEPTANCE-DATETIME>20250219205118
ACCESSION NUMBER:		0001846253-25-000013
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250215
FILED AS OF DATE:		20250219
DATE AS OF CHANGE:		20250219

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FOEHR MATTHEW W
		CENTRAL INDEX KEY:			0001237556
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40720
		FILM NUMBER:		25642907

	MAIL ADDRESS:	
		STREET 1:		11119 NORTH TORREY PINES RD #200
		CITY:			LA JOLLA
		STATE:			CA
		ZIP:			92037

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OmniAb, Inc.
		CENTRAL INDEX KEY:			0001846253
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	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>
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    <footnotes>
        <footnote id="F1">Represents the vesting of an RSU grant which occurs in three substantially equal annual installments beginning on February 15, 2023.</footnote>
        <footnote id="F2">Each Restricted Stock Unit (&quot;RSU&quot;) represents a contingent right to receive one share of the Issuer's Common Stock.</footnote>
        <footnote id="F3">Represents the vesting of an RSU grant which occurs in three substantially equal annual installments beginning on February 16, 2025.</footnote>
        <footnote id="F4">Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of RSUs. These sales are mandated by the Issuer's election under its equity incentive plans to require the satisfaction of a tax withholding obligation to be funded by a &quot;sell-to-cover&quot; transaction and do not represent discretionary trades by the reporting person.</footnote>
        <footnote id="F5">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.61 to $3.83. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F6">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.61 to $3.71. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote</footnote>
        <footnote id="F7">The RSU grant vests in three substantially equal annual installments beginning on February 18, 2026.</footnote>
        <footnote id="F8">The Stock Option grant vests and is exercisable as to 12.5% of the underlying shares 6 months after the grant date, and in 42 substantially equal monthly installments thereafter.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>By: /s/ Charles S. Berkman, Attorney-in-Fact for Matthew W. Foehr</signatureName>
        <signatureDate>2025-02-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
