Exhibit 3.1
CERTIFICATE OF AMENDMENT
TO THE
SECOND AMENDED AND RESTATED
CERTIFICATE OF INCORPORATION OF
CULLINAN ONCOLOGY, INC.
(Pursuant to Section 242 of the
General Corporation Law of the State of Delaware)
Cullinan Oncology, Inc. (the “Corporation”), a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware (the “DGCL”), does hereby certify that:
“The name of this corporation is Cullinan Therapeutics, Inc.”
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IN WITNESS WHEREOF, this Amendment has been executed by a duly authorized officer of the Corporation on this 15th day of April, 2024.
By: /s/ Jacquelyn Sumer
Name: Jacquelyn Sumer
Title: Chief Legal Officer