TScan Therapeutics, Inc. (TCRX) has 20 known insider and institutional holders on record. The largest holder is Lynx1 Capital Management LP with 7,937,416 shares. Other notable holders include EcoR1 Capital, LLC and MacBeath Gavin.
Over the last 12 months, insiders have made 17 transactions in TCRX stock — 16 buys (valued at $6.51M) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
TCRX Insider Ownership
Top Holder
Lynx1 Capital Management LP
7,937,416 shares
Buys (12 mo)
16
$6.51M value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Lynx1 Capital Management Lp |
10 Percent Owner |
7,937,416 |
2025-12-23 |
|
| 2 |
Ecor1 Capital, Llc |
10 Percent Owner |
5,000,000 |
2023-06-05 |
|
| 3 |
Macbeath Gavin |
Chief Executive Officer |
1,165,000 |
2026-01-22 |
|
| 4 |
Silver Brian M. |
Chief Financial Officer |
632,500 |
2023-06-15 |
|
| 5 |
Barton Debora |
Chief Medical Officer |
430,000 |
2023-06-15 |
|
| 6 |
Louis Chrystal |
Chief Medical Officer |
420,000 |
2026-01-22 |
|
| 7 |
Zdraveski Zoran |
See Remarks |
350,000 |
2026-01-22 |
|
| 8 |
Amello Jason |
Chief Financial Officer |
350,000 |
2026-01-22 |
|
| 9 |
Dworak Leiden |
See Remarks |
100,000 |
2026-01-22 |
|
| 10 |
Southwell David P |
Chief Executive Officer |
100,000 |
2023-02-06 |
|
| 11 |
Woods Keith |
Director |
67,000 |
2025-07-02 |
|
| 12 |
Nicholson Garry A |
Director |
67,000 |
2025-07-02 |
|
| 13 |
Baker Bros. Advisors Lp |
Director |
67,000 |
2025-07-02 |
|
| 14 |
Gruia Gabriela |
Director |
67,000 |
2025-07-02 |
|
| 15 |
Dorton Katina |
Director |
67,000 |
2025-07-02 |
|
| 16 |
Klencke Barbara |
Director |
67,000 |
2025-07-02 |
|
| 17 |
Barberich Timothy J |
Director |
66,710 |
2023-12-21 |
|
| 18 |
Desmarais William |
Chief Business Officer |
30,000 |
2022-07-27 |
|
| 19 |
Baker Brothers Life Sciences Lp |
Director |
9,146 |
2022-06-03 |
|
| 20 |
Harel Ittai |
Director |
9,146 |
2022-06-03 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-01-20 |
Louis Chrystal |
Chief Medical Officer |
RSU Award |
420,000 |
$1.12 |
$470.4K |
| 2026-01-20 |
Dworak Leiden |
See Remarks |
RSU Award |
100,000 |
$1.12 |
$112K |
| 2026-01-20 |
Zdraveski Zoran |
See Remarks |
RSU Award |
350,000 |
$1.12 |
$392K |
| 2026-01-20 |
Macbeath Gavin |
Chief Executive Officer |
RSU Award |
1,165,000 |
$1.12 |
$1.3M |
| 2026-01-20 |
Amello Jason |
Chief Financial Officer |
RSU Award |
350,000 |
$1.12 |
$392K |
| 2025-12-23 |
Lynx1 Capital Management Lp |
10 Percent Owner |
Informative Buy |
6,232 |
$0.90 |
$5.6K |
| 2025-12-22 |
Lynx1 Capital Management Lp |
10 Percent Owner |
Informative Buy |
75,500 |
$0.90 |
$67.95K |
| 2025-12-19 |
Lynx1 Capital Management Lp |
10 Percent Owner |
Informative Buy |
80,069 |
$0.90 |
$71.97K |
| 2025-08-14 |
Dworak Leiden |
Principal Accounting Officer |
Unknown |
37,500 |
$2.90 |
$108.75K |
| 2025-06-30 |
Woods Keith |
Director |
RSU Award |
67,000 |
$1.45 |
$97.15K |
| 2025-06-30 |
Gruia Gabriela |
Director |
RSU Award |
67,000 |
$1.45 |
$97.15K |
| 2025-06-30 |
Klencke Barbara |
Director |
RSU Award |
67,000 |
$1.45 |
$97.15K |
| 2025-06-30 |
Nicholson Garry A |
Director |
RSU Award |
67,000 |
$1.45 |
$97.15K |
| 2025-06-30 |
Dorton Katina |
Director |
RSU Award |
67,000 |
$1.45 |
$97.15K |
| 2025-06-30 |
Baker Bros. Advisors Lp |
Director |
RSU Award |
67,000 |
$1.45 |
$97.15K |
| 2025-05-20 |
Lynx1 Capital Management Lp |
10 Percent Owner |
Informative Buy |
1,200,000 |
$1.20 |
$1.44M |
| 2025-05-19 |
Lynx1 Capital Management Lp |
10 Percent Owner |
Informative Buy |
1,388,794 |
$1.20 |
$1.67M |
