DAVID P. SOUTHWELL

Insider Reports History

Location
Lexington, MA
Signature
/s/ Avraham S. Adler, Attorney-in-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by DAVID P. SOUTHWELL:

Company Role Class Num Shares Value Price $ Report Date Ownership
PTC THERAPEUTICS, INC. Director Common Stock 20,850 $1,583,766 $75.96 02 Jan 2026 Direct
ROCKET PHARMACEUTICALS, INC. Director Common Stock 113,124 $889,154 $7.86 18 Jun 2025 By The David P. Southwell Irrevocable Trust Dtd 04/14/2024
TScan Therapeutics, Inc. Chief Executive Officer, Director Voting Common Stock 171,569 $852,441 $4.97 18 May 2022 Direct
ROCKET PHARMACEUTICALS, INC. Director Common Stock 31,660 $248,847 $7.86 18 Jun 2025 Direct
PTC THERAPEUTICS, INC. Director Stock Option (Right to Buy) 3,475 $238,040 $27.05 02 Jan 2026 Direct
TScan Therapeutics, Inc. Chief Executive Officer, Director Stock Option (Right to Buy) 100,000 02 Feb 2023 Direct

Insider Reports Filed by DAVID P. SOUTHWELL

Symbol Company Period Transactions Value $ Form Type Role Filing Time
PTCT PTC THERAPEUTICS, INC. 02 Jan 2026 2 $0 4 Director 06 Jan 2026, 17:20
PTCT PTC THERAPEUTICS, INC. 09 Sep 2025 3 -$329,760 4 Director 11 Sep 2025, 16:30
RCKT ROCKET PHARMACEUTICALS, INC. 18 Jun 2025 1 $0 4 Director 18 Jul 2025, 16:05
PTCT PTC THERAPEUTICS, INC. 03 Jan 2025 2 $0 4 Director 07 Jan 2025, 17:20
RCKT ROCKET PHARMACEUTICALS, INC. 13 Jun 2024 1 $0 4 Director 20 Jun 2024, 16:10
PTCT PTC THERAPEUTICS, INC. 08 May 2024 1 $0 4 Director 10 May 2024, 17:20
RCKT ROCKET PHARMACEUTICALS, INC. 02 May 2024 2 $0 4 Director 20 May 2024, 16:39
RCKT ROCKET PHARMACEUTICALS, INC. 12 Apr 2024 7 -$1,945,785 4 Director 16 Apr 2024, 17:45
PTCT PTC THERAPEUTICS, INC. 15 Feb 2024 2 $0 4 Director 16 Feb 2024, 16:20
RCKT ROCKET PHARMACEUTICALS, INC. 22 Jun 2023 1 $0 4 Director 26 Jun 2023, 19:47
PTCT PTC THERAPEUTICS, INC. 17 Apr 2023 4 -$583,187 4 Director 19 Apr 2023, 16:11
PTCT PTC THERAPEUTICS, INC. 31 Mar 2023 3 -$128,672 4 Director 04 Apr 2023, 16:07
PTCT PTC THERAPEUTICS, INC. 27 Mar 2023 5 -$450,956 4 Director 29 Mar 2023, 16:20
TCRX TScan Therapeutics, Inc. 02 Feb 2023 1 $0 4 Chief Executive Officer, Director 06 Feb 2023, 16:18
PTCT PTC THERAPEUTICS, INC. 05 Jan 2023 2 $0 4 Director 09 Jan 2023, 15:10
TCRX TScan Therapeutics, Inc. 25 Jul 2022 1 $0 4 Chief Executive Officer, Director 27 Jul 2022, 16:30
RCKT ROCKET PHARMACEUTICALS, INC. 13 Jun 2022 1 $0 4 Director 15 Jun 2022, 21:07
TCRX TScan Therapeutics, Inc. 18 May 2022 2 +$89,821 4 Chief Executive Officer, Director 20 May 2022, 16:15
TCRX TScan Therapeutics, Inc. 18 Jan 2022 1 $0 4 Chief Executive Officer, Director 20 Jan 2022, 15:25
PTCT PTC THERAPEUTICS, INC. 07 Jan 2022 2 $0 4 Director 11 Jan 2022, 15:10
TCRX TScan Therapeutics, Inc. 23 Dec 2021 2 +$95,880 4 Chief Executive Officer, Director 27 Dec 2021, 15:30
TCRX TScan Therapeutics, Inc. 08 Sep 2021 1 +$96,066 4 Chief Executive Officer, Director 09 Sep 2021, 16:43
TCRX TScan Therapeutics, Inc. 15 Jul 2021 0 $0 3 Chief Executive Officer, Director 15 Jul 2021, 18:24
RCKT ROCKET PHARMACEUTICALS, INC. 14 Jun 2021 1 $0 4 Director 16 Jun 2021, 20:01