Perceptive Advisors Llc - Nov 9, 2023 Form 3 Insider Report for CARGO Therapeutics, Inc. (CRGX)

Role: 10%+ Owner
Signature: /s/ Joseph Edelman, for Perceptive Advisors LLC, By: Joseph Edelman, its managing member
Stock symbol: CRGX
Transactions as of: Nov 9, 2023
Transactions value $: $0
Form type: 3
Date filed: 11/9/2023, 06:37 PM
Previous filing: Oct 18, 2023
Next filing: Nov 14, 2023

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	CRGX	Series A-1 Convertible Preferred Stock							Nov 9, 2023	Common Stock	2.58M		See footnote	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each share of the Issuer's Series A-1 convertible preferred stock will automatically convert into shares of the Issuer's common stock immediately upon the closing of the Issuer's initial public offering. The Series A-1 convertible preferred stock has no expiration date.
F2	The securities are directly held by Perceptive Xontogeny Venture Fund II, L.P. ("PXV II"). Perceptive Venture Advisors, LLC (the "Venture Advisor") serves as the investment manager of PXV II and is controlled by Perceptive Advisors LLC (the "Advisor"), and Perceptive Xontogeny Venture II GP, LLC ("PXV GP") is the general partner of PXV II. Mr. Edelman is the managing member of PXV GP and the Advisor. The Venture Advisor, the Advisor, PXV GP and Mr. Edelman disclaim, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his or its indirect pecuniary interest therein, and this report shall not be deemed an admission that they are the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

Content

Each share of the Issuer's Series A-1 convertible preferred stock will automatically convert into shares of the Issuer's common stock immediately upon the closing of the Issuer's initial public offering. The Series A-1 convertible preferred stock has no expiration date.

The securities are directly held by Perceptive Xontogeny Venture Fund II, L.P. ("PXV II"). Perceptive Venture Advisors, LLC (the "Venture Advisor") serves as the investment manager of PXV II and is controlled by Perceptive Advisors LLC (the "Advisor"), and Perceptive Xontogeny Venture II GP, LLC ("PXV GP") is the general partner of PXV II. Mr. Edelman is the managing member of PXV GP and the Advisor. The Venture Advisor, the Advisor, PXV GP and Mr. Edelman disclaim, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his or its indirect pecuniary interest therein, and this report shall not be deemed an admission that they are the beneficial owner of such securities for purposes of Section 16 or for any other purposes.