Gritstone bio, Inc. (GRTS) has 20 known insider and institutional holders on record. The largest holder is Woiwode Thomas with 1,347,709 shares. Other notable holders include Allen Andrew R and Clarus Lifesciences III, L.P..
GRTS Insider Ownership
Top Holder
Woiwode Thomas
1,347,709 shares
Buys (12 mo)
0
$0.00 value
Sells (12 mo)
0
$0.00 value
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Woiwode Thomas |
Director |
1,347,709 |
2021-01-04 |
|
| 2 |
Allen Andrew R |
President and CEO |
985,360 |
2024-06-26 |
|
| 3 |
Clarus Lifesciences Iii, L.p. |
10 Percent Owner |
333,333 |
2018-10-02 |
|
| 4 |
Economides Vassiliki |
EVP, Chief Financial Officer |
250,437 |
2024-12-20 |
|
| 5 |
Jones Erin |
EVP, Chief Operating Officer |
235,000 |
2024-05-17 |
|
| 6 |
Jooss Karin |
See Remarks |
235,000 |
2024-05-17 |
|
| 7 |
Hawryluk Matthew |
EVP, Chief Business Officer |
180,000 |
2024-05-17 |
|
| 8 |
Yelensky Roman |
See Remarks |
170,624 |
2021-11-19 |
|
| 9 |
Bellemin Jean-marc |
See Remarks |
110,000 |
2020-02-27 |
|
| 10 |
Cho James |
SVP, Chief Accounting Officer |
65,400 |
2024-05-17 |
|
| 11 |
Thompson Rahsaan |
EVP and General Counsel |
58,698 |
2022-04-20 |
|
| 12 |
Agarwal Shefali |
Director |
51,800 |
2024-06-20 |
|
| 13 |
Corey Lawrence |
Director |
51,800 |
2024-06-20 |
|
| 14 |
Krognes Steve E. |
Director |
51,800 |
2023-06-21 |
|
| 15 |
Jones Elaine V |
Director |
51,800 |
2024-06-20 |
|
| 16 |
Fisher Clare |
Director |
51,800 |
2024-06-20 |
|
| 17 |
Rizvi Naiyer |
Director |
51,800 |
2024-06-20 |
|
| 18 |
Yabannavar Vijay |
See Remarks |
31,696 |
2021-11-19 |
|
| 19 |
Rousseau Raphael |
See Remarks |
29,700 |
2021-11-19 |
|
| 20 |
Heyman Richard A. |
Director |
19,000 |
2022-06-22 |
|
No ownership data available for GRTS.
