Lynx1 Capital Management LP - 19 May 2025 Form 4 Insider Report for TScan Therapeutics, Inc. (TCRX)

Role: 10%+ Owner
Signature: Lynx1 Capital Management LP, By: Lynx1 Capital Management GP LLC, its general partner, By: /s/ Weston Nichols, Sole Member
Issuer symbol: TCRX
Transactions as of: 19 May 2025
Net transactions value: +$3,106,553
Form type: 4
Filing time: 21 May 2025, 16:49:27 UTC
Previous filing: 31 Dec 2024
Next filing: 24 Jul 2025
SEC: View on sec.gov

Reporting Owners (2)

Name	Relationship	Address	Signature	Signature date	CIK
Lynx1 Capital Management LP	10%+ Owner	151 CALLE DE SAN FRANCISCO, SUITE 200 PMB 1237, SAN JUAN, PUERTO RICO	Lynx1 Capital Management LP, By: Lynx1 Capital Management GP LLC, its general partner, By: /s/ Weston Nichols, Sole Member	21 May 2025	0001910456
Nichols Weston	10%+ Owner	151 CALLE DE SAN FRANCISCO, SUITE 200, PMB 1237, SAN JUAN, PUERTO RICO	/s/ Weston Nichols	21 May 2025	0001746376

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TCRX	Common stock, $0.0001 par value per share ("Common Stock")	Purchase	$1,666,553	+1,388,794	+26%	$1.20	6,746,141	19 May 2025	See footnote	F1
transaction	TCRX	Common Stock	Purchase	$1,440,000	+1,200,000	+18%	$1.20	7,946,141	20 May 2025	See footnote	F1

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

Explanation of Responses:

Id	Content
F1	The securities to which this filing relates are held directly by Lynx1 Master Fund LP and a managed account to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.

Content

The securities to which this filing relates are held directly by Lynx1 Master Fund LP and a managed account to which Lynx1 Capital Management LP (the "Investment Manager") serves as investment manager. Weston Nichols ("Mr. Nichols") is the sole member of Lynx1 Capital Management GP LLC, the general partner of the Investment Manager. Each of the Investment Manager and Mr. Nichols disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein, if any.