Stephen W. Webster

Insider Reports History

Location
Cambridge, MA
Signature
/s/ Steven P. Cobourn, as attorney-in-fact for Stephen W. Webster
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 Stephen W. Webster:

Company Role Class Num Shares Value Price $ Report Date Ownership
Gritstone bio, Inc. Director Common Stock 0 $47,560 $1.90 04 Apr 2025 Direct
Nabriva Therapeutics plc Director Ordinary Shares 11,447 $17,171 $1.50 02 Aug 2022 Direct
Cullinan Therapeutics, Inc. Director Stock Option (Right to Buy) 38,513 12 Jun 2025 Direct
NextCure, Inc. Director Stock Option (Right to Buy) 18,700 20 Jun 2025 Direct
Gritstone bio, Inc. Director Stock Option (Right to Buy) 0 04 Apr 2025 Direct
TCR2 THERAPEUTICS INC. Director Stock Option (Right to Buy) 0 $0.7400 01 Jun 2023 Direct

Insider Reports Filed by Stephen W. Webster

Symbol Company Period Transactions Value $ Form Type Role Filing Time
NXTC NextCure, Inc. 20 Jun 2025 1 $0 4 Director 24 Jun 2025, 16:30
CGEM Cullinan Therapeutics, Inc. 12 Jun 2025 1 $0 4 Director 16 Jun 2025, 16:10
/report/000141588925010435-webster-stephen-w-2025-04-04 Gritstone bio, Inc. 04 Apr 2025 3 $0 4 Director 08 Apr 2025, 20:54
CGEM Cullinan Therapeutics, Inc. 26 Jun 2024 1 $0 4 Director 27 Jun 2024, 19:00
NXTC NextCure, Inc. 20 Jun 2024 1 $0 4 Director 21 Jun 2024, 17:05
/report/000141588924017705-webster-stephen-w-2024-06-17 Gritstone bio, Inc. 17 Jun 2024 1 $0 4 Director 20 Jun 2024, 17:58
/report/000141588924011805-webster-stephen-w-2024-04-26 Gritstone bio, Inc. 26 Apr 2024 1 $0 4 Director 30 Apr 2024, 18:28
/report/000141588924011803-webster-stephen-w-2024-04-26 Gritstone bio, Inc. 26 Apr 2024 0 $0 3 Director 30 Apr 2024, 18:24
NXTC NextCure, Inc. 22 Jun 2023 1 $0 4 Director 23 Jun 2023, 16:30
CGEM Cullinan Oncology, Inc. 08 Jun 2023 1 $0 4 Director 12 Jun 2023, 17:51
/report/000110465923067057-webster-stephen-w-2023-06-01 TCR2 THERAPEUTICS INC. 01 Jun 2023 4 $0 4 Director 01 Jun 2023, 16:25
/report/000089924322039006-webster-stephen-w-2022-12-15 TCR2 THERAPEUTICS INC. 15 Dec 2022 1 $0 4 Director 19 Dec 2022, 16:06
/report/000110465922086279-webster-stephen-w-2022-08-02 Nabriva Therapeutics plc 02 Aug 2022 1 -$1,487 4 Director 04 Aug 2022, 18:20
NXTC NextCure, Inc. 23 Jun 2022 1 $0 4 Director 24 Jun 2022, 17:28
CGEM Cullinan Oncology, Inc. 22 Jun 2022 1 $0 4 Director 23 Jun 2022, 18:18
/report/000120919121069061-webster-stephen-w-2021-12-09 TCR2 THERAPEUTICS INC. 09 Dec 2021 1 $0 4 Director 10 Dec 2021, 15:36
CGEM Cullinan Oncology, Inc. 16 Sep 2021 1 $0 4 Director 25 Mar 2022, 19:33
/report/000110465921100291-webster-stephen-w-2021-08-02 Nabriva Therapeutics plc 02 Aug 2021 1 -$932 4 Director 04 Aug 2021, 21:08
/report/000110465921098424-webster-stephen-w-2021-07-28 Nabriva Therapeutics plc 28 Jul 2021 2 $0 4 Director 30 Jul 2021, 20:19
NXTC NextCure, Inc. 24 Jun 2021 1 $0 4 Director 28 Jun 2021, 18:10