MPM BioImpact LLC
- SEC CIK
- 0001687078
In the past year, 9 open-market sale filings worth $2.22M and no purchases.
Current role at each company
- HOWL Werewolf Therapeutics, Inc.Other: Former 10% Owneras of Dec 4, 2025
- ITOS iTeos Therapeutics, Inc.Other: Former 10% Owneras of May 15, 2025
- TCRR TCR2 Therapeutics Inc.10% Owneras of Jun 5, 2023
- CGEM Cullinan Therapeutics, Inc.10% Owneras of Sep 20, 2021
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $2.22M
- 9 filings
- Net
- −$2.22M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists MPM BioImpact LLC as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
HOWL Werewolf Therapeutics, Inc.
Other: Former 10% Owner10 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 30, 2025 (view filing)4:08 PM ET | Mar 27 | 34 daysLate | Gadicke Ansbert and 6 others10% Owner | SSale | −4.39K | $1.05 | −$4.61K | −0.1%6.72M after | |
| Oct 29, 2025 (view filing)7:21 PM ET | Oct 27-29 | 2 days | Gadicke Ansbert and 6 others10% Owner | SSale | −276.0K | $1.62 | −$446.4K | −4.1%6.44M after | 3 lots10b5-1 |
| Nov 3, 2025 (view filing)7:07 PM ET | Oct 30-Nov 3 | 4 days | Gadicke Ansbert and 6 others10% Owner | SSale | −295.0K | $1.33 | −$391.6K | −4.6%6.15M after | 3 lots10b5-1 |
| Nov 6, 2025 (view filing)7:40 PM ET | Nov 4-6 | 2 days | Gadicke Ansbert and 6 others10% Owner | SSale | −242.9K | $1.22 | −$295.8K | −4.0%5.90M after | 3 lots10b5-1 |
| Nov 12, 2025 (view filing)7:31 PM ET | Nov 7-12 | 5 days | Gadicke Ansbert and 6 others10% Owner | SSale | −213.5K | $1.13 | −$241.3K | −3.6%5.69M after | 4 lots10b5-1 |
| Nov 17, 2025 (view filing)7:20 PM ET | Nov 13-17 | 4 days | Gadicke Ansbert and 6 others10% Owner | SSale | −209.7K | $0.9571 | −$200.7K | −3.7%5.48M after | 3 lots10b5-1 |
| Nov 20, 2025 (view filing)5:50 PM ET | Nov 18-20 | 2 days | Gadicke Ansbert and 6 others10% Owner | SSale | −160.1K | $0.9239 | −$147.9K | −2.9%5.32M after | 3 lots10b5-1 |
| Nov 25, 2025 (view filing)6:03 PM ET | Nov 21-25 | 4 days | Gadicke Ansbert and 6 others10% Owner | SSale | −195.7K | $0.9176 | −$179.6K | −3.7%5.13M after | 3 lots10b5-1 |
| Dec 1, 2025 (view filing)6:11 PM ET | Nov 26-Dec 1 | 5 days | Gadicke Ansbert and 6 others10% Owner | SSale | −141.9K | $0.9643 | −$136.9K | −2.8%4.98M after | 3 lots10b5-1 |
| Dec 4, 2025 (view filing)6:18 PM ET | Dec 2-4 | 2 days | Gadicke Ansbert and 6 othersOther: Former 10% Owner | SSale | −199.7K | $0.9176 | −$183.3K | −4.0%4.78M after | 3 lots10b5-1 |
ITOS iTeos Therapeutics, Inc.
Other: Former 10% Owner17 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 8, 2021 (view filing)7:19 PM ET | Sep 7-8 | 1 day | Gadicke Ansbert and 3 others10% Owner | SSale | −71.2K | $29.03 | −$2.07M | −1.2%5.90M after | 3 lots |
| Sep 13, 2021 (view filing)7:02 PM ET | Sep 9-13 | 4 days | Gadicke Ansbert and 3 others10% Owner | SSale | −96.5K | $28.32 | −$2.73M | −1.6%5.81M after | 4 lots |
| Sep 16, 2021 (view filing)4:46 PM ET | Sep 14-15 | 2 days | Gadicke Ansbert and 3 others10% Owner | SSale | −76.4K | $27.70 | −$2.12M | −1.3%5.73M after | 4 lots |
| Sep 20, 2021 (view filing)6:30 PM ET | Sep 16-20 | 4 days | Gadicke Ansbert and 3 others10% Owner | SSale | −152.7K | $28.38 | −$4.33M | −2.7%5.58M after | 4 lots |
| Sep 23, 2021 (view filing)4:18 PM ET | Sep 21-22 | 2 days | Gadicke Ansbert and 3 others10% Owner | SSale | −56.8K | $27.50 | −$1.56M | −1.0%5.52M after | 2 lots |
| Sep 27, 2021 (view filing)5:51 PM ET | Sep 23-27 | 4 days | Gadicke Ansbert and 3 others10% Owner | SSale | −89.5K | $27.76 | −$2.48M | −1.6%5.43M after | 4 lots |
| Sep 30, 2021 (view filing)5:05 PM ET | Sep 28-30 | 2 days | Gadicke Ansbert and 3 others10% Owner | SSale | −36.0K | $27.00 | −$971.7K | −0.7%5.39M after | 2 lots |
| Oct 5, 2021 (view filing)4:31 PM ET | Oct 1-4 | 4 days | Gadicke Ansbert and 3 others10% Owner | SSale | −46.1K | $27.05 | −$1.25M | −0.9%5.35M after | 2 lots |
| Oct 12, 2021 (view filing)4:33 PM ET | Oct 7-11 | 5 days | Gadicke Ansbert and 3 others10% Owner | SSale | −87.0K | $27.23 | −$2.37M | −1.6%5.26M after | 3 lots |
| Oct 14, 2021 (view filing)5:26 PM ET | Oct 12-14 | 2 days | Gadicke Ansbert and 3 others10% Owner | SSale | −95.0K | $27.21 | −$2.58M | −1.8%5.17M after | 3 lots |
CGEM Cullinan Therapeutics, Inc.
10% Owner8 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 12, 2021 (view filing)4:55 PM ET | Aug 11 | 1 day | MPM BioImpact LLC and 3 others10% Owner | SSale | −2.51K | $29.05 | −$72.9K | 0.0%7.91M after | Duplicate filing |
| Aug 25, 2021 (view filing)7:42 PM ET | Aug 23-25 | 2 days | MPM BioImpact LLC and 3 others10% Owner | SSale | −105.9K | $29.29 | −$3.10M | −1.3%7.81M after | 3 lots |
| Aug 31, 2021 (view filing)4:47 PM ET | Aug 27-30 | 4 days | MPM BioImpact LLC and 2 others10% Owner | SSale | −44.4K | $29.24 | −$1.30M | −0.6%7.76M after | 2 lotsDuplicate filing |
| Sep 2, 2021 (view filing)5:26 PM ET | Aug 31-Sep 2 | 2 days | MPM BioImpact LLC and 2 others10% Owner | SSale | −24.3K | $29.50 | −$717.2K | −0.3%7.74M after | 4 lotsDuplicate filing |
| Sep 8, 2021 (view filing)6:20 PM ET | Sep 3-8 | 5 days | MPM BioImpact LLC and 2 others10% Owner | SSale | −48.6K | $29.20 | −$1.42M | −0.6%7.69M after | 3 lotsDuplicate filing |
| Sep 13, 2021 (view filing)6:24 PM ET | Sep 9-13 | 4 days | MPM BioImpact LLC and 2 others10% Owner | SSale | −23.3K | $29.23 | −$679.7K | −0.3%7.66M after | 3 lotsDuplicate filing |
| Sep 16, 2021 (view filing)4:45 PM ET | Sep 14-15 | 2 days | MPM BioImpact LLC and 2 others10% Owner | SSale | −13.5K | $29.17 | −$394.6K | −0.2%7.65M after | 2 lotsDuplicate filing |
| Sep 20, 2021 (view filing)5:31 PM ET | Sep 16 | 4 days | MPM BioImpact LLC and 2 others10% Owner | SSale | −3.12K | $29.06 | −$90.8K | 0.0%7.65M after | Duplicate filing |