The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Mpm Asset Management Investors Bv2014 Llc since 2021.
This trader's CIK number is 1609495.
At the time of last reporting, Mpm Asset Management Investors Bv2014 Llc was the Officer of Werewolf Therapeutics, Inc.. (stock ticker symbol HOWL).
Also see all insider trading activities at Werewolf Therapeutics, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | HOWL | 0 | $0 | 1,934,559 | $2,223,344 | 0 | $0 |
| 2021 | HOWL | 125,759 | $2,012,144 | 0 | $0 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | 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 |
| 2021-05-04 | HOWL | Buy | 125,759 | 16.00 | 2,012,144 |
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 Investors Bv2014 Llc (Officer of Werewolf Therapeutics, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.