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 LP | 4,841,591 | 0 |
| JAFCO Super V3 Investment Limited Partnership | 1,923,226 | 0 |
| Cannell Thomas R | 672,386 | 0 |
| Forbes Monica | 505,664 | 0 |
| Celniker Abbie | 409,915 | 0 |
| MacDonald Glen C | 398,918 | 0 |
| Sullivan Mark | 378,651 | 0 |
| Boxer Capital, LLC | 297,860 | 0 |
| Flagship Ventures Fund 2007, L.P. | 293,268 | 0 |
| Ryu Elly | 148,624 | 0 |
| Flagship Ventures Fund IV, L.P. | 106,787 | 0 |
| Furfine Eric Steven | 34,648 | 0 |
| Tubridy Karen L | 32,753 | 0 |
| MCCABE JOHN J | 5,930 | 0 |
| Keyes Jason A | 0 | 0 |
| PERRY GREGORY D | 0 | 0 |
| Morrison Briggs | 0 | 0 |
| ZWEIFACH SANFORD S | 0 | 0 |
| TEPPER ROBERT I | 0 | 0 |
| LEVIN MARK J See footnote. | 0 | 0 |
| Rosales Minori | 0 | 0 |
| Jewett Michael A. S. | 0 | 0 |
| Henderson Jane | 0 | 0 |
| BERRY DAVID A | 0 | 0 |
| KANIA EDWIN M JR | 0 | 0 |
| Clairmark Investments Ltd. | 0 | 0 |
| Gertz Barry | 0 | 0 |
| Ugwumba Chidozie | 0 | 0 |
| DIXON WENDY L | 0 | 0 |
| HURLY STEPHEN A | 0 | 0 |
| TRV GP, LLC | 0 | 0 |
| Bourdow Carrie L. | 0 | 0 |
| Pfeffer Cary | 0 | 0 |
| DAN LESLIE | 0 | 0 |
| Pfeffer Cary See footnote. | 0 | 0 |
| CHANEY PAUL G | 0 | 0 |
| DeCillis Arthur | 0 | 0 |
| Torok Michael | 0 | 0 |
| Hodits Regina | 0 | 0 |
| Kim Dennis | 0 | 0 |
| Duker Jay S. | 0 | 0 |
| Honig Peter | 0 | 0 |
| LYNCH DANIEL | 0 | 0 |
| 0 | 0 | |
| Anderson Kirstin | 0 | 0 |
| MVA Investors, LLC | 0 | 0 |
| LEVIN MARK J | 0 | 0 |
| AFEYAN NOUBAR | 0 | 0 |
| ModernaTX, Inc. | 0 | 0 |
| Fitzgerald Richard F | 0 | 0 |
| Klichinsky Michael | 0 | 0 |
| Torok Michael see footenote | 0 | 0 |
| Drake Patricia M. | 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 |
|---|