Thomas DesRosier

(Mr. Thomas DesRosier J.D.)

Currently holds positions in Seres Therapeutics Inc, Genzyme Corp and Cubist Pharmaceuticals LLC

Positions

Position Company Period
Chief Legal Officer, Executive Vice President and Secretary Seres Therapeutics Inc May 1, 2016 -
Chief Legal Officer, Senior Vice President, General Counsel Genzyme Corp May 22, 2008 -
Executive Vice President, Chief Legal and Administrative Officer and Secretary Cubist Pharmaceuticals LLC Feb. 1, 2014 -
Executive Vice President, Chief Legal and Administrative Officer, Secretary ARIAD Pharmaceuticals Inc Jan. 1, 2015 - April 30, 2016
Senior Vice President, General Counsel, Secretary Cubist Pharmaceuticals LLC March 1, 2013 - Feb. 1, 2014
Thomas DesRosier's trades of Seres Therapeutics Inc's stock


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-02-19 2025-02-18
PS Planned sale
4,300 -2.9%
0.81
USD 3,485 		4,300 -2.9% 0.81 USD 3,485
2024-11-19 2024-11-18
PS Planned sale
878 -0.6%
0.54
USD 475 		878 -0.6% 0.54 USD 475
2024-10-29 2024-10-28
PS Planned sale
4,259 -3.1%
0.69
USD 2,939 		4,259 -3.1% 0.69 USD 2,939
2024-08-19 2024-08-16
PS Planned sale
873 -0.7%
0.84
USD 733 		873 -0.7% 0.84 USD 733
2024-05-17 2024-05-15
PS Planned sale
843 -0.7%
0.94
USD 792 		843 -0.7% 0.94 USD 792
2024-02-16 2024-02-16
PS Planned sale
3,939 -3.2%
1.08
USD 4,254 		3,939 -3.2% 1.08 USD 4,254
2023-10-31 2023-10-30
PS Planned sale
4,156 -3.5%
1.35
USD 5,611 		4,156 -3.5% 1.35 USD 5,611
2019-01-29 2019-01-28
S Sale
5,471 -25.4%
5.75
USD 31,478 		5,471 -25.4% 5.75 USD 31,478
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