SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* TAKEDA PHARMACEUTICAL CO LTD (Last) (First) (Middle) 1-1, NIHONBASHI-HONCHO 2-CHOME (Street) CHUO-KU, TOKYO M0 103-8668 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol HilleVax, Inc. [ HLVX ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 11/30/2022
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/30/2022		X		5,883,500	A	$0(1)	6,724,000	I	See Explanation of Responses(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Warrant (Right to Buy)	$0.0001	11/30/2022		X			5,883,500	05/03/2022	07/02/2031	Common Stock	5,883,500	$0	0	I	See Explanation of Responses(2)

1. Name and Address of Reporting Person* TAKEDA PHARMACEUTICAL CO LTD (Last) (First) (Middle) 1-1, NIHONBASHI-HONCHO 2-CHOME (Street) CHUO-KU, TOKYO M0 103-8668 (City) (State) (Zip)

1. Name and Address of Reporting Person* Takeda Vaccines, Inc. (Last) (First) (Middle) 75 SIDNEY STREET (Street) CAMBRIDGE MA 02139 (City) (State) (Zip)

Explanation of Responses:

1. On November 30,2022, the Reporting Person exercised a Warrant to purchase 5,883,500 shares of the Issuers common stock with an exercise price of $0.0000595 per share.

2. Takeda Pharmaceutical Company Limited has beneficial ownership of the reported securities, all of which are held directly by Takeda Vaccines, Inc., an indirect wholly-owned subsidiary of TakedaPharmaceutical Company Limited. Takeda Vaccines, Inc. is owned directly by Takeda Pharmaceuticals U.S.A., Inc., which is owned directly by both Takeda Pharmaceutical Company Limited (72.70%) andTakeda Pharmaceuticals International AG (27.30%). Takeda Pharmaceuticals International AG is a wholly-owned direct subsidiary of Takeda Pharmaceutical Company Limited.

Remarks:

	/s/ Yoshihiro Nakagawa, Global General Counsel of Takeda Pharmaceutical Company Limited	12/01/2022
	/s/ Michael Martin, Authorized Signatory, Takeda Vaccines, Inc.	12/01/2022
	** Signature of Reporting Person	Date
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