MPM BioVentures 2014 (B), L.P. (CIK 0001609493)

Latest company ownership

Shares held
4,983,843
Last filed at
Dec 4, 2025
Confidence Score
12.5
2025Q4
Confidence Score History
2021Q2 2025Q4
Shares held
4,381,062
Last filed at
Dec 12, 2024
Confidence Score
49.9
2025Q4
Confidence Score History
2021Q4 2025Q4
Shares held
952,191
Last filed at
Jun 25, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 2, 2025 Dec 4, 2025 Werewolf Therapeutics, Inc. Other Sell 37.5 -199,732 -4.01% ✓ $183.3K
Nov 26, 2025 Dec 1, 2025 Werewolf Therapeutics, Inc. 10% Owner Sell 41.3 -141,927 -2.77% ✓ $136.9K
Nov 21, 2025 Nov 25, 2025 Werewolf Therapeutics, Inc. 10% Owner Sell 37.5 -195,666 -3.68% ✓ $179.6K
Nov 18, 2025 Nov 20, 2025 Werewolf Therapeutics, Inc. 10% Owner Sell 41.3 -160,103 -2.92% ✓ $147.9K
Nov 13, 2025 Nov 17, 2025 Werewolf Therapeutics, Inc. 10% Owner Sell 37.5 -209,652 -3.68% ✓ $200.7K
Nov 7, 2025 Nov 12, 2025 Werewolf Therapeutics, Inc. 10% Owner Sell 37.5 -213,529 -3.62% ✓ $241.3K
Nov 4, 2025 Nov 6, 2025 Werewolf Therapeutics, Inc. 10% Owner Sell 35.0 -242,890 -3.95% ✓ $295.8K
Oct 30, 2025 Nov 3, 2025 Werewolf Therapeutics, Inc. 10% Owner Sell 35.0 -295,043 -4.58% ✓ $391.6K
Oct 27, 2025 Oct 29, 2025 Werewolf Therapeutics, Inc. 10% Owner Sell 35.0 -276,017 -4.11% ✓ $446.4K
Mar 27, 2025 Apr 30, 2025 Werewolf Therapeutics, Inc. 10% Owner Sell 52.5 -1,963 -0.06% ✗ $2.1K
Dec 10, 2024 Dec 12, 2024 Entrada Therapeutics, Inc. 10% Owner Sell 20.0 -44,722 -1.01% ✗ $917.1K
Nov 2, 2021 Nov 4, 2021 Entrada Therapeutics, Inc. 10% Owner Buy 87.5 +100,000 2.31% ✗ $2M
May 4, 2021 May 6, 2021 Werewolf Therapeutics, Inc. 10% Owner Buy 92.5 +125,759 4.11% ✗ $2M
Jun 23, 2020 Jun 25, 2020 Repare Therapeutics Inc. 10% Owner Buy 96.3 +250,000 9.08% ✗ $5M