Thomas Des Rosier is Chief Legal Officer and EVP of Seres Therapeutics, Inc.. Currently has a direct ownership of 135,192 shares of MCRB, which is worth approximately $129,784. The most recent transaction as insider was on Nov 18, 2024, when has been sold 878 shares (Common Stock) at a price of $0.54 per share, resulting in proceeds of $474. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 135K
8.87% 3M change
18.7% 12M change
Total Value Held $129,784

Thomas DesRosier Transaction History

Date Transaction Value Shares Traded Shares Held Form
Nov 18 2024
SELL
Open market or private sale
$474 $0.54 p/Share
878 Reduced 0.65%
135,192 Common Stock
Nov 15 2024
BUY
Exercise of conversion of derivative security
-
2,656 Added 1.91%
136,070 Common Stock
Oct 28 2024
SELL
Open market or private sale
$2,938 $0.69 p/Share
4,259 Reduced 3.09%
133,414 Common Stock
Oct 27 2024
BUY
Exercise of conversion of derivative security
-
13,500 Added 8.93%
137,673 Common Stock
Aug 16 2024
SELL
Open market or private sale
$733 $0.84 p/Share
873 Reduced 0.7%
124,173 Common Stock
Aug 15 2024
BUY
Exercise of conversion of derivative security
-
2,656 Added 2.08%
125,046 Common Stock
May 15 2024
SELL
Open market or private sale
$792 $0.94 p/Share
843 Reduced 0.68%
122,390 Common Stock
May 15 2024
BUY
Exercise of conversion of derivative security
-
2,656 Added 2.11%
123,233 Common Stock
Feb 16 2024
SELL
Open market or private sale
$4,254 $1.08 p/Share
3,939 Reduced 3.16%
120,577 Common Stock
Feb 15 2024
BUY
Exercise of conversion of derivative security
-
10,625 Added 7.86%
124,516 Common Stock
Oct 30 2023
SELL
Open market or private sale
$5,610 $1.35 p/Share
4,156 Reduced 3.52%
113,891 Common Stock
Oct 27 2023
BUY
Exercise of conversion of derivative security
-
13,501 Added 10.26%
118,047 Common Stock
Jul 05 2022
BUY
Grant, award, or other acquisition
$200,000 $3.15 p/Share
63,492 Added 37.78%
104,546 Common Stock
TD

Thomas Des Rosier

Chief Legal Officer and EVP
Cambridge, MA

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