Initial Statement of Beneficial Ownership (Form 3)

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * ADAR1 Capital Management, LLC 2. Date of Event Requiring Statement (Month/Day/Year) 05/04/2026 3. Issuer Name and Ticker or Trading Symbol Rallybio Corp [RLYB] (Last) (First) (Middle) 3503 WILD CHERRY DRIVE, BUILDING 9 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) AUSTIN, TX 78738 6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 623,879 I See Footnote(1)(2)

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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ADAR1 Capital Management, LLC 3503 WILD CHERRY DRIVE, BUILDING 9 AUSTIN, TX 78738		X
Schneeberger Daniel 3503 WILD CHERRY DRIVE, BUILDING 9 AUSTIN, TX 78738		X

Signatures

ADAR1 Capital Management, LLC By: Daniel Schneeberger, Manager /s/ Daniel Schneeberger		05/06/2026
**Signature of Reporting Person		Date
/s/ Daniel Schneeberger		05/06/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The reported securities are owned directly by private investment funds managed by ADAR1 Capital Management, LLC and separately managed accounts of ADAR1 Capital Management, LLC, and may be deemed to be indirectly beneficially owned by (i) ADAR1 Capital Management, LLC and (ii) Daniel Schneeberger, the sole manager of ADAR1 Capital Management, LLC.
(2)	For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, each Reporting Person disclaims beneficial ownership of any such securities, except to the extent of his/its pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

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