SEC Filing - CARGO Therapeutics, Inc.

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SEC FORM 3 SEC 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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1. Name and Address of Reporting Person^*

RTW INVESTMENTS, LP

(Last)

(First)

(Middle)

40 10TH AVENUE

7TH FLOOR

(Street)

NEW YORK

10014

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
11/14/2023

3. Issuer Name and Ticker or Trading Symbol
CARGO Therapeutics, Inc. [ CRGX ]

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 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 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, par value $0.001 per share	5,175,832	I	See footnote⁽¹⁾

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: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)

1. Name and Address of Reporting Person^*

RTW INVESTMENTS, LP

(Last)

(First)

(Middle)

40 10TH AVENUE

7TH FLOOR

(Street)

NEW YORK

10014

(City)

(State)

(Zip)

1. Name and Address of Reporting Person^*

WONG RODERICK

(Last)

(First)

(Middle)

C/O RTW INVESTMENTS, LP

40 10TH AVENUE, 7TH FLOOR

(Street)

NEW YORK

10014

(City)

(State)

(Zip)

Explanation of Responses:

1. This Form 3 is being filed by each of (i) RTW Investments, LP (the "Adviser") with respect to the securities held by certain investment funds managed by the Adviser and (ii) Roderick Wong, M.D., who serves as the Managing Partner and Chief Investment Officer of the Adviser.

Remarks:

Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 3 except to the extent of its or his pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

	RTW Investments, LP, By: /s/ Roderick Wong, M.D., Managing Partner	11/24/2023
	Roderick Wong, M.D., By: /s/ Roderick Wong, M.D.	11/24/2023
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
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