- Corporate Officers - M
- Mpm Asset Management Llc
Insider Trading History of Mpm Asset Management Llc
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Mpm Asset Management Llc since 2019.
This trader's CIK number is 1263048.
At the time of last reporting, Mpm Asset Management Llc was the Officer of Werewolf Therapeutics, Inc.. (stock ticker symbol HOWL).
Also see all insider trading activities at Werewolf Therapeutics, Inc..
Note that in the past
MPM ASSET MANAGEMENT LLC also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Werewolf Therapeutics, Inc. (HOWL) by Mpm Asset Management Llc
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | HOWL | 0 | $0 | 1,938,945 | $2,227,949 | 0 | $0 |
Yearly summary of insider trading at Oncorus, Inc. (ONCR) by Mpm Asset Management Llc
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | ONCR | 173,776 | $2,606,640 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Tcr2 Therapeutics Inc. (TCRR) by Mpm Asset Management Llc
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2019 | TCRR | 706,666 | $10,599,990 | 0 | $0 | 0 | $0 |
Insider trading activities at 3 companies by Mpm Asset Management Llc:
1. Werewolf Therapeutics, Inc. (HOWL)
2. Oncorus, Inc. (ONCR)
3. Tcr2 Therapeutics Inc. (TCRR)
Table 1. Insider trading of Werewolf Therapeutics, Inc. (HOWL) by Mpm Asset Management Llc
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-12-02 | HOWL | Sale | 59,277 | .89 | 52,756 |
| 2025-12-03 | HOWL | Sale | 57,225 | .87 | 49,785 |
| 2025-12-04 | HOWL | Sale | 83,230 | .97 | 80,733 |
| 2025-11-26 | HOWL | Sale | 60,733 | .98 | 59,518 |
| 2025-11-28 | HOWL | Sale | 20,277 | .99 | 20,074 |
| 2025-12-01 | HOWL | Sale | 60,917 | .94 | 57,261 |
| 2025-11-21 | HOWL | Sale | 64,331 | .83 | 53,394 |
| 2025-11-25 | HOWL | Sale | 42,533 | .92 | 39,130 |
| 2025-11-24 | HOWL | Sale | 88,802 | .98 | 87,025 |
| 2025-11-18 | HOWL | Sale | 52,627 | .93 | 48,943 |
| 2025-11-19 | HOWL | Sale | 66,324 | .94 | 62,344 |
| 2025-11-20 | HOWL | Sale | 41,152 | .89 | 36,625 |
| 2025-11-13 | HOWL | Sale | 90,951 | .98 | 89,131 |
| 2025-11-14 | HOWL | Sale | 61,640 | .93 | 57,325 |
| 2025-11-17 | HOWL | Sale | 57,061 | .95 | 54,207 |
| 2025-11-12 | HOWL | Sale | 40,669 | 1.09 | 44,329 |
| 2025-11-07 | HOWL | Sale | 68,480 | 1.11 | 76,012 |
| 2025-11-10 | HOWL | Sale | 48,570 | 1.18 | 57,312 |
| 2025-11-11 | HOWL | Sale | 55,810 | 1.14 | 63,623 |
| 2025-11-04 | HOWL | Sale | 140,488 | 1.22 | 171,395 |
| 2025-11-05 | HOWL | Sale | 47,950 | 1.22 | 58,499 |
| 2025-11-06 | HOWL | Sale | 54,452 | 1.21 | 65,886 |
| 2025-11-03 | HOWL | Sale | 94,063 | 1.29 | 121,341 |
| 2025-10-31 | HOWL | Sale | 114,044 | 1.28 | 145,976 |
| 2025-10-30 | HOWL | Sale | 86,936 | 1.43 | 124,318 |
| 2025-10-27 | HOWL | Sale | 72,709 | 1.72 | 125,059 |
| 2025-10-28 | HOWL | Sale | 69,068 | 1.64 | 113,271 |
| 2025-10-29 | HOWL | Sale | 134,240 | 1.55 | 208,072 |
| 2025-03-27 | HOWL | Sale | 4,386 | 1.05 | 4,605 |
Table 2. Insider trading of Oncorus, Inc. (ONCR) by Mpm Asset Management Llc
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-10-06 | ONCR | Buy | 173,776 | 15.00 | 2,606,640 |
Table 3. Insider trading of Tcr2 Therapeutics Inc. (TCRR) by Mpm Asset Management Llc
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2019-02-19 | TCRR | Buy | 706,666 | 15.00 | 10,599,990 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Mpm Asset Management Llc
(Officer of Werewolf Therapeutics, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.