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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
______________________________________________________
FORM 8-K
______________________________________________________
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): April 08, 2025
______________________________________________________
RALLYBIO CORPORATION
(Exact name of Registrant as Specified in Its Charter)
______________________________________________________
Delaware001-4069385-1083789
(State or Other Jurisdiction
of Incorporation)
(Commission File Number)(IRS Employer
Identification No.)
234 Church Street, Suite 1020 New Haven, Connecticut
06510
(Address of Principal Executive Offices)(Zip Code)
Registrant’s Telephone Number, Including Area Code: 203 859-3820
(Former Name or Former Address, if Changed Since Last Report)
______________________________________________________
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading
Symbol(s)
Name of each exchange on which registered
Common Stock, par value $0.0001 per shareRLYBNASDAQ Global Select Market
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).
Emerging growth company x
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o



Item 8.01 Other Events.
On April 8, 2025, Rallybio Corporation issued a press release announcing the discontinuation of the Company’s RLYB212 program for the prevention of fetal and neonatal alloimmune thrombocytopenia (FNAIT) based on pharmacokinetic data from the Company’s RLYB212 Phase 2 clinical trial. A copy of the press release is filed as Exhibit 99.1 to this Current Report on Form 8-K.


Item 9.01 Financial Statements and Exhibits.
(i)Exhibits
Exhibit No.
Description
99.1



SIGNATURES
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.
RALLYBIO CORPORATION
Date:April 8, 2025By:/s/ Jonathan I. Lieber
Jonathan I. Lieber
Chief Financial Officer and Treasurer