Gavin MacBeath

CIK: 0001738082

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

TCRX

TScan Therapeutics, Inc.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (4 total)

TCRX
TScan Therapeutics, Inc.
Oct 1, 2026
Award(A)
Direct
1M shares-
TCRX
TScan Therapeutics, Inc.
Jan 20, 2026
Award(A)
Stock Option (Right to Buy)
Direct
1.2M shares-
TCRX
TScan Therapeutics, Inc.
Jan 3, 2025
Award(A)
Stock Option (Right to Buy)
Direct
800K shares-
TCRX
TScan Therapeutics, Inc.
Jan 12, 2024
Award(A)
Stock Option (Right to Buy)
Direct
160K shares-

		Type	Shares	Price		Ownership
Oct 1, 2026	TCRX TScan Therapeutics, Inc.	Award(A)	1,000,000	-	$0	Direct
Jan 20, 2026	TCRX TScan Therapeutics, Inc.	Award(A) Stock Option (Right to Buy)	1,165,000	-	-	Direct
Jan 3, 2025	TCRX TScan Therapeutics, Inc.	Award(A) Stock Option (Right to Buy)	800,000	-	-	Direct
Jan 12, 2024	TCRX TScan Therapeutics, Inc.	Award(A) Stock Option (Right to Buy)	160,000	-	-	Direct

1-4 of 4 transactions

About MacBeath Gavin

MacBeath Gavin (SEC CIK 0001738082) files insider reports with the SEC as Chief Executive Officer of TScan Therapeutics, Inc. (TCRX).

Signal8 holds 3 ownership filings by MacBeath Gavin, all Form 4s, filed between Feb 11, 2025 and Oct 2, 2026. Those filings report 4 transactions, from Jan 12, 2024 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on MacBeath Gavin's filings is in WALTHAM, MA.

Recent filings by MacBeath Gavin

Oct 1, 2026: Grant or award of TCRX shares (Form 4, code A).
Jan 20, 2026: Grant or award of TCRX derivative securities (Form 4, code A).
Jan 3, 2025: Grant or award of TCRX derivative securities (Form 4, code A).
Jan 12, 2024: Grant or award of TCRX derivative securities (Form 4, code A).

Other insiders filing for TScan Therapeutics, Inc. (TCRX)

How to read Form 4 transaction codes