<SEC-DOCUMENT>0001209191-21-049823.txt : 20210804
<SEC-HEADER>0001209191-21-049823.hdr.sgml : 20210804
<ACCEPTANCE-DATETIME>20210804211946
ACCESSION NUMBER:		0001209191-21-049823
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210728
FILED AS OF DATE:		20210804
DATE AS OF CHANGE:		20210804

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PARMAR KUSH
		CENTRAL INDEX KEY:			0001664281

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40693
		FILM NUMBER:		211145967

	MAIL ADDRESS:	
		STREET 1:		C/O AUDENTES THERAPEUTICS, INC.
		STREET 2:		101 MONTGOMERY ST., SUITE 2650
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Rallybio Corp
		CENTRAL INDEX KEY:			0001739410
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				851083789
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		234 CHURCH STREET
		STREET 2:		SUITE 1020
		CITY:			NEW HAVEN
		STATE:			CT
		ZIP:			06510
		BUSINESS PHONE:		203- 859-3820

	MAIL ADDRESS:	
		STREET 1:		234 CHURCH STREET
		STREET 2:		SUITE 1020
		CITY:			NEW HAVEN
		STATE:			CT
		ZIP:			06510

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Rallybio Holdings, LLC
		DATE OF NAME CHANGE:	20180502
</SEC-HEADER>
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    <footnotes>
        <footnote id="F1">The Series A-1 Preferred Units, Series A-2 Preferred Units and Series B Preferred units (collectively, the &quot;Preferred Units&quot;) reported herein were preferred units of Rallybio Holdings, LLC.  The shares of common stock of the Issuer were received on July 28, 2021 pursuant to the Plan of Liquidation and Dissolution, dated July 28, 2021, among Rallybio Holdings, LLC and its members (the &quot;Plan of Liquidation&quot;). Pursuant to the Plan of Liquidation, the holders of Preferred Units received approximately 6.37 shares of common stock of the Issuer for each Preferred Unit. Rallybio Holdings, LLC was subsequently dissolved. The Preferred Units had no expiration date prior to the liquidation.</footnote>
        <footnote id="F2">These securities are held directly by 5AM Ventures V, L.P. (&quot;Ventures V&quot;). 5AM Partners V, LLC (&quot;Partners V&quot;) is the sole general partner of Ventures V. Dr. Parmar is a managing member of Partners V and may be deemed to share voting and investment power over the securities held by Ventures V. Dr. Parmar disclaims beneficial ownership of the securities held by Ventures V except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F3">These securities are held directly by 5AM Opportunities I, L.P. (&quot;Opportunities I, L.P.&quot;). 5AM Opportunities I (GP), LLC (&quot;Opportunities I (GP)&quot;) is the general partner of Opportunities I, L.P. Dr. Parmar is a managing member of Opportunities I (GP), and may be deemed to share voting and dispositive power over the securities held by Opportunities I, L.P. Dr. Parmar disclaims beneficial ownership of the securities held by Opportunities I, L.P. except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F4">Prior to the effectiveness of the Plan of Liquidation, the Preferred Units were convertible into common units of Rallybio Holdings, LLC.</footnote>
        <footnote id="F5">The option vests as to the underlying shares of Common Stock on the earlier of July 28, 2022 and the date of the first annual meeting of stockholders of the Issuer following the closing of its initial public offering.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kush Parmar</signatureName>
        <signatureDate>2021-08-04</signatureDate>
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