| |
Company
Roster
|
|
Total
Insiders : |
22 |
|
|
|
Total
Direct Shares :
|
35,364,430 |
|
|
Total
Indirect Shares :
|
50,469,593 |
| |
%
Held by Insiders:
|
29.49% |
|
|
| |
| Filer's Name |
Relation |
Direct Date |
Direct Shares |
Indirect Date |
Indirect Shares |
  Cook Jennifer E. |
Director |
2023-06-01 |
15,529 |
|
0 |
| Flagship Ventures Fund V General Partner Llc |
10% Owner |
2017-12-12 |
8,918,749 |
2017-12-12 |
0 |
| Fil Ltd |
See Remark 1 |
2017-12-12 |
1,914,833 |
2017-12-12 |
1,379 |
| Bybee Clinton |
10% Owner |
2017-12-12 |
11,068,749 |
2017-12-12 |
0 |
| Fmr Corp |
See Remark 1 |
2017-12-12 |
0 |
2017-12-12 |
783,216 |
| Sato Vicki L |
Director |
2024-04-15 |
118,043 |
2017-12-12 |
0 |
| Crandell Keith |
10% Owner |
2019-08-08 |
10,668,749 |
2019-08-08 |
0 |
| Biogen Ma Inc. |
10% Owner |
|
0 |
2020-09-22 |
13,310,243 |
| Bratton Capital Inc. |
10% Owner |
2019-03-25 |
0 |
2020-12-21 |
12,201,634 |
| Crestline Management, Lp |
10% Owner |
2017-12-12 |
0 |
2021-02-12 |
10,084,938 |
| Cole Douglas G. |
Director |
2023-06-01 |
26,564 |
2021-06-01 |
0 |
| Klein Peter S |
Director |
2023-06-01 |
15,529 |
2021-06-01 |
0 |
| Nelsen Robert |
Director |
2021-06-02 |
12,432 |
2021-06-02 |
9,668,749 |
| Thornberry Nancy |
Director |
2023-06-01 |
12,713 |
2022-01-08 |
0 |
| Harris Erik |
Director |
2023-06-01 |
11,085 |
2022-02-03 |
0 |
| Flatley Jay T |
Director |
2017-12-12 |
75,000 |
2023-06-01 |
340,529 |
| Schenkein David P |
Director |
2023-06-01 |
15,529 |
2023-06-01 |
57,464 |
| Tessier-Lavigne Marc |
Director |
2023-06-01 |
1,874,572 |
2023-06-01 |
236,869 |
| Ho Carole |
Chief Medical Officer |
2024-02-14 |
143,605 |
2024-02-14 |
208,219 |
| Schuth Alexander O. |
COFO and Secretary |
2024-02-14 |
187,341 |
2024-02-14 |
523,749 |
| Watts Ryan J. |
President and CEO, Director |
2024-03-29 |
238,067 |
2024-03-29 |
2,202,604 |
| Krognes Steve E. |
Director |
2024-04-01 |
47,341 |
2024-04-01 |
850,000 |
|
0.36 (1.93%) 
