This table shows the list known insiders, and is generated automatically from filings disclosed to the SEC. In addition to the names, most recent title, and director, officer, or 10% owner designation, we provide the latest disclosed holdings.
| Name | Shares | Options |
|---|---|---|
| Third Rock Ventures II, L.P. | 3,892,916 | 0 |
| PAUL STEVEN M | 632,712 | 0 |
| PAUL STEVEN M See footnote (3) | 344,677 | 0 |
| STARR KEVIN P | 320,659 | 0 |
| PAUL STEVEN M See footnote (5) | 190,700 | 0 |
| PAUL STEVEN M See footnote (8) | 186,925 | 0 |
| PAUL STEVEN M See footnote (10) | 172,604 | 0 |
| PAUL STEVEN M See footnote (12) | 156,422 | 0 |
| PAUL STEVEN M See footnote (14) | 143,326 | 0 |
| Robichaud Albert | 142,619 | 0 |
| PAUL STEVEN M See footnote (16) | 130,279 | 0 |
| PAUL STEVEN M See footnote (2) | 127,286 | 0 |
| PAUL STEVEN M See footnote (4) | 124,367 | 0 |
| PAUL STEVEN M See footnote (6) | 122,400 | 0 |
| PAUL STEVEN M See footnote (7) | 86,831 | 0 |
| JONAS JEFFREY M | 80,863 | 0 |
| PAUL STEVEN M See footnote (9) | 74,443 | 0 |
| PAUL STEVEN M See footnote (11) | 73,743 | 0 |
| PAUL STEVEN M See footnote (13) | 73,100 | 0 |
| PAUL STEVEN M See footnote (15) | 72,900 | 0 |
| IGUCHI KIMI | 47,600 | 0 |
| Greene Barry E | 32,440 | 0 |
| Kanes Stephen | 13,471 | 0 |
| Golumbeski George | 8,000 | 0 |
| Cook Anne Marie | 7,894 | 0 |
| FRATES JAMES M | 2,535 | 0 |
| Cloonan Michael | 2,102 | 0 |
| FRATES JAMES M See Footnote 2 | 1,810 | 0 |
| Anderson Thomas | 1,554 | 0 |
| Barrett Elizabeth | 0 | 0 |
| PAUL STEVEN M Lila M. Clair 2015 Irrevocable Trust (Granddaughter) | 0 | 0 |
| Benecchi Christopher | 0 | 0 |
| 0 | 0 | |
| PAUL STEVEN M Benjamin T. Fisch 2015 Irrevocable Trust (Grandson) | 0 | 0 |
| PAUL STEVEN M Austin Tyler Paul ( Daughter) | 0 | 0 |
| PAUL STEVEN M See footnote (1) | 0 | 0 |
| PAUL STEVEN M Aaron and Hannah Paul (Son and daughter in law) | 0 | 0 |
| Nayak Asha | 0 | 0 |
| Biogen MA Inc. By Biogen MA Inc. | 0 | 0 |
| PAUL STEVEN M Jordan and Mark Fisch (Daughter and son in law) | 0 | 0 |
| PIEN HOWARD H | 0 | 0 |
| PAUL STEVEN M Morgan E. McGill (Daughter) | 0 | 0 |
| LEVIN MARK J | 0 | 0 |
| NELSEN ROBERT | 0 | 13,922 |
| PAUL STEVEN M (2)(3) | 0 | 0 |
| Germano Geno J | 0 | 0 |
| COLA MICHAEL F | 0 | 0 |
| Arch Venture Fund VII LP | 0 | 0 |
| PAUL STEVEN M Eli D. Fisch 2015 Irrevocable Trust (Grandson) | 0 | 0 |
While Insider sales are normal part of tax harvesting and is part of compensation of executives - A large number of transactions would indicate that the management isnt convinced that the price will go up and hence reducing their holding. This would be a possible indicator or fall in price
| Name | Shares | Price | Date |
|---|
Insider buys arent usual, since it indicates a high conviction by the management that they believe the price will go up eventually. Usually a good sign that investors should consider this as a factor to purchase a stock, especially if the current SP is lower than the price the management bought these at. The table below doesnt include any Stock Options or RSUs. They're just open market purchases by the insiders.
| Name | Shares | Price | Date |
|---|---|---|---|
| Golumbeski George | 8,000 | 31.45 | 2022 May 05 |