TScan Therapeutics, Inc. (TCRX) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through February 19, 2026 reveals that TScan Therapeutics's three principal insider shareholders consist of TenPercentOwner Capital Management Lp Lynx1 (8.02Mn shares), Director Bros. Advisors Lp Baker (2.53Mn shares), TenPercentOwner Christoph H Westphal (1.04Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Capital Management Lp Lynx1 8,019,148 23 Dec, 2025
Bros. Advisors Lp Baker 2,528,583 12 May, 2022
Christoph H Westphal 1,036,585 22 Jul, 2021
David P Southwell Chief Executive Officer 171,569 20 May, 2022
Timothy J Barberich 67,027 21 Dec, 2023
Gavin Macbeath Chief Scientific Officer 49,767 22 Sep, 2021
Barbara Klencke 45,000 24 Sep, 2024
Brian M. Silver Chief Financial Officer 32,885 29 Dec, 2022
Zoran Zdraveski Nan 4,716 27 Aug, 2024
William Desmarais Chief Business Officer 2,500 31 Aug, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
23 Dec, 2025 Capital Management Lp Lynx1 Common Stock A 6,232 $0.90 8,019,148 I P
22 Dec, 2025 Capital Management Lp Lynx1 Common Stock A 75,500 $0.90 8,012,916 I P
19 Dec, 2025 Capital Management Lp Lynx1 Common stock, $0.0001 par value per share ("Common Stock") A 80,069 $0.90 7,937,416 I P
20 May, 2025 Capital Management Lp Lynx1 Common Stock A 1,200,000 $1.20 7,946,141 I P
19 May, 2025 Capital Management Lp Lynx1 Common stock, $0.0001 par value per share ("Common Stock") A 1,388,794 $1.20 6,746,141 I P
13 Dec, 2024 Capital Management Lp Lynx1 Common Stock A 100,000 $2.90 5,357,347 I P
12 Dec, 2024 Capital Management Lp Lynx1 Common stock, $0.0001 par value per share ("Common Stock") A 31,800 $3.01 5,257,347 I P
15 Nov, 2024 Capital Management Lp Lynx1 Common stock, $0.0001 par value per share A 947 $4.34 5,225,547 I P
23 Sep, 2024 Barbara Klencke Voting Common Stock A 5,000 $5.29 45,000 D P
26 Aug, 2024 Barbara Klencke - - 40,000 D
26 Aug, 2024 Barbara Klencke Voting Common Stock A 5,000 $5.53 40,000 D P
23 Aug, 2024 Barbara Klencke - - 35,000 D
23 Aug, 2024 Barbara Klencke Voting Common Stock A 5,000 $5.69 35,000 D P
23 Aug, 2024 Zoran Zdraveski - - 105,236 D
23 Aug, 2024 Zoran Zdraveski Voting Common Stock A 13,125 $1.81 105,236 D M
23 Aug, 2024 Zoran Zdraveski Voting Common Stock A 25,000 $3.27 92,111 D M
23 Aug, 2024 Zoran Zdraveski Voting Common Stock A 54,895 $4.85 67,111 D M
23 Aug, 2024 Zoran Zdraveski Voting Common Stock A 64,166 $2.49 169,402 D M
23 Aug, 2024 Zoran Zdraveski - - 92,111 D
23 Aug, 2024 Zoran Zdraveski - - 4,716 D