Peter Kolchinsky
10% Owner; Director; Director, 10% Owner
Filings
19
Companies
11
Latest
Jul 29, 2026
Transactions
Signal
Ticker / Company
Insider
Transaction
Value
Filed
Artiva Biotherapeutics, Inc.
Director, 10% Owner
$247.7K
24,944 sh
Jul 31 9:13 PM
Jul 31, 2026
Artiva Biotherapeutics, Inc.
Director, 10% Owner
$208.0K
20,824 sh
Jul 31 9:13 PM
Jul 29, 2026
Artiva Biotherapeutics, Inc.
Director, 10% Owner
$596.4K
59,880 sh
Jul 24 1:22 AM
Jul 23, 2026
Artiva Biotherapeutics, Inc.
Director, 10% Owner
$835.4K
84,124 sh
Jul 24 1:22 AM
Jul 22, 2026
Artiva Biotherapeutics, Inc.
Director, 10% Owner
$1.2M
120,582 sh
Jul 24 1:22 AM
Jul 21, 2026
Artiva Biotherapeutics, Inc.
Director, 10% Owner
$58.3K
6,522 sh
Jul 24 1:21 AM
Jul 13, 2026 · 4/A
Werewolf Therapeutics, Inc.
10% Owner
$99.8K
262,503 sh
Jun 12 12:13 AM
Jun 11, 2026
Werewolf Therapeutics, Inc.
10% Owner
$17.0K
45,923 sh
Jun 12 12:13 AM
Jun 10, 2026
Werewolf Therapeutics, Inc.
10% Owner
$136.8K
369,800 sh
Jun 12 12:13 AM
Jun 9, 2026
Artiva Biotherapeutics, Inc.
Director, 10% Owner
$4.3M
548,580 sh
Jun 11 11:36 PM
Jun 11, 2026
Artiva Biotherapeutics, Inc.
Director, 10% Owner
$721
103 sh
Jun 11 11:36 PM
Jun 10, 2026
Artiva Biotherapeutics, Inc.
Director, 10% Owner
$3.3M
479,039 sh
Jun 11 11:36 PM
Jun 9, 2026
Hemab Therapeutics Holdings, Inc.
10% Owner
$24.8K
996 sh
May 21 8:20 PM
May 20, 2026
Hemab Therapeutics Holdings, Inc.
10% Owner
$94.9K
3,802 sh
May 21 8:20 PM
May 19, 2026
Hemab Therapeutics Holdings, Inc.
10% Owner
$159.0K
6,387 sh
May 14 9:21 PM
May 12, 2026
Artiva Biotherapeutics, Inc.
Director, 10% Owner
$75.0M
6,510,416 sh
May 13 9:45 PM
May 11, 2026
Werewolf Therapeutics, Inc.
10% Owner
$64.7K
101,151 sh
May 12 10:26 PM
May 12, 2026
Werewolf Therapeutics, Inc.
10% Owner
$58.6K
87,490 sh
May 12 10:26 PM
May 11, 2026
Werewolf Therapeutics, Inc.
10% Owner
$267.3K
376,526 sh
May 12 10:26 PM
May 8, 2026
Hemab Therapeutics Holdings, Inc.
10% Owner
$989.2K
39,869 sh
May 11 9:44 PM
May 11, 2026