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| Latest Insider Trading | Top Insider Trading Recent Week | Top 10% Owner Trading Recent Week | Filter
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| Ticker | Owner | Relationship | Date | Transaction | Cost |
#Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | May 18 '26 | Proposed Sale | 0.52 | 19,370 | 9,977 | May 18 05:02 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | May 11 '26 | Proposed Sale | 0.68 | 5,635 | 3,832 | May 11 04:32 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | May 01 '26 | Proposed Sale | 0.72 | 24,251 | 17,451 | May 01 04:52 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | Apr 29 '26 | Proposed Sale | 0.74 | 8,678 | 6,422 | Apr 29 04:47 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | Apr 27 '26 | Proposed Sale | 0.81 | 8,678 | 7,055 | Apr 27 05:00 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | Jan 06 '26 | Proposed Sale | 0.64 | 13,256 | 8,542 | Jan 06 04:57 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | Dec 29 '25 | Proposed Sale | 0.65 | 8,679 | 5,679 | Dec 29 04:45 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | Dec 22 '25 | Proposed Sale | 0.69 | 8,679 | 5,961 | Dec 22 04:56 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | Dec 10 '25 | Proposed Sale | 1.01 | 5,912 | 5,971 | Dec 10 05:01 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | Dec 03 '25 | Proposed Sale | 0.86 | 8,679 | 7,464 | Dec 03 04:40 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | Nov 24 '25 | Proposed Sale | 0.87 | 8,679 | 7,578 | Nov 24 04:34 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | Nov 17 '25 | Proposed Sale | 0.92 | 8,679 | 7,969 | Nov 17 04:59 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | Nov 10 '25 | Proposed Sale | 1.15 | 8,679 | 9,981 | Nov 10 04:54 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | Nov 04 '25 | Proposed Sale | 1.31 | 8,679 | 11,369 | Nov 04 04:49 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | Oct 30 '25 | Proposed Sale | 1.56 | 8,679 | 13,539 | Oct 30 05:12 PM | |
| HOWL | MPM BioVentures 2014 (B), L.P. | Shareholder | Oct 27 '25 | Proposed Sale | 1.77 | 8,679 | 15,362 | Oct 27 04:59 PM | |
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