John Cox

Insider Reports History

Entity
Individual
Location
C/O Bioverativ Inc., 225 Second Avenue, Waltham, MA
Signature
/s/ Richard Scalzo, 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 John Cox:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Dyne Therapeutics, Inc. CEO & President, Director Common Stock 8K $265K $33.09 Sep 4, 2024 By Trust #1
Dyne Therapeutics, Inc. CEO & President, Director Common Stock 8K $265K $33.09 Sep 4, 2024 By Trust #2
Dyne Therapeutics, Inc. CEO & President, Director Common Stock 8K $265K $33.09 Sep 4, 2024 By Trust #3
Dyne Therapeutics, Inc. CEO & President, Director Common Stock 8K $265K $33.09 Sep 4, 2024 By Trust #4
Dyne Therapeutics, Inc. CEO & President, Director Common Stock 5K $165K $33.09 Sep 4, 2024 Direct
Dyne Therapeutics, Inc. CEO & President, Director Stock Option (Right to Buy) 680K Mar 25, 2024 Direct
Sigilon Therapeutics, Inc. Director Common Stock 0 Aug 11, 2023 Direct
Sigilon Therapeutics, Inc. Director Stock Option (Right to Buy) 0 $0.75 Aug 11, 2023 Direct

Insider Reports Filed by John Cox

Symbol Company Period Transactions Value $ Form Type Date Filed Role
DYN Dyne Therapeutics, Inc. Sep 4, 2024 8 $1.06M 4 Sep 4, 2024 CEO & President, Director
DYN Dyne Therapeutics, Inc. Mar 25, 2024 0 $0 3/A Apr 4, 2024 CEO & President, Director
DYN Dyne Therapeutics, Inc. Mar 25, 2024 1 $0 4 Mar 27, 2024 Chief Executive Officer and President, Director
DYN Dyne Therapeutics, Inc. Mar 25, 2024 0 $0 3 Mar 27, 2024 Chief Executive Officer and President Exhibit Index: 24.1 Power of Attorney, Director
SGTX Sigilon Therapeutics, Inc. Aug 11, 2023 3 -$7.95K 4 Aug 11, 2023 Director
SGTX Sigilon Therapeutics, Inc. May 19, 2023 1 $0 4 May 22, 2023 Director
SGTX Sigilon Therapeutics, Inc. May 26, 2022 1 $0 4 May 27, 2022 Director
SGTX Sigilon Therapeutics, Inc. Jun 24, 2021 1 $88.6K 4 Jun 28, 2021 Director