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* Boxer Capital, LLC (Last) (First) (Middle) 12860 EL CAMINO REAL SUITE 300 (Street) SAN DIEGO CA 92130 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol iTeos Therapeutics, Inc. [ ITOS ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner Officer (give title below) X Other (specify below) See remarks
	3. Date of Earliest Transaction (Month/Day/Year) 08/23/2023
	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	08/23/2023		S		34,846	D	$14.19(1)	2,119,212	D(2)
Common Stock	08/23/2023		S		95,516	D	$15.63(3)	2,023,696	D(2)
Common Stock	08/23/2023		S		219,638	D	$16.87(4)	1,804,058	D(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

1. Name and Address of Reporting Person* Boxer Capital, LLC (Last) (First) (Middle) 12860 EL CAMINO REAL SUITE 300 (Street) SAN DIEGO CA 92130 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) See remarks

1. Name and Address of Reporting Person* Boxer Asset Management Inc. (Last) (First) (Middle) C/O CAY HOUSE EP TAYLOR DRIVE (Street) NEW PROVIDENCE C5 N7776 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) See remarks

1. Name and Address of Reporting Person* LEWIS JOSEPH (Last) (First) (Middle) C/O CAY HOUSE EP TAYLOR DRIVE N7776, LYFORD CAY (Street) NEW PROVIDENCE BAHAMAS (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) See remarks

1. Name and Address of Reporting Person* Davis Aaron I. (Last) (First) (Middle) 12860 EL CAMINO REAL, SUITE 300 (Street) SAN DIEGO CA 92130 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) See remarks

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $13.80 to $14.59, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

2. These securities are owned directly by Boxer Capital, LLC ("Boxer Capital"). Boxer Asset Management Inc. is the managing member of Boxer Capital. Joseph Lewis is the sole indirect owner of Boxer Asset Management Inc. Mr. Davis is a member of Boxer Capital. Each reporting person other than Boxer Capital disclaims beneficial ownership of these securities except to the extent of such person's pecuniary interest therein, if any.

3. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $15.05 to $15.85, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $16.50 to $17.04, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

Remarks:

Aaron Davis, the CEO of Boxer Capital, LLC, is a director of iTeos Therapeutics, Inc. (the "Issuer"). The reporting persons other than Mr. Davis previously reported ceasing to be subject to Section 16 of the Exchange Act with respect to the Issuer. This filing is being made by those other reporting persons without conceding that they are subject to Section 16 of the Exchange Act with respect to the Issuer.

	/s/ Aaron I. Davis, Chief Executive Officer, Boxer Capital, LLC	08/25/2023
	/s/ Paul Higgs, Director, Boxer Asset Management Inc.	08/25/2023
	/s/ Aaron I. Davis	08/25/2023
	/s/ Joseph C. Lewis	08/25/2023
	** Signature of Reporting Person	Date
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* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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