Des Rosier Thomas Insider Trades

Insider Trading History

Track insider trading activity for Des Rosier Thomas. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $56.1k 7,954 shares
Last Trade
May 18, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$595 79 shares
$7.53
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $56.6k 8,033 shares
Last Trade
May 15, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.86k 244 shares
$7.64
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $5.49k 779 shares
Last Trade
May 15, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$848 111 shares
$7.64
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $2.81k 398 shares
Last Trade
May 15, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.02k 133 shares
$7.64
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $159k 22,500 shares
Last Trade
Mar 04, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$205k 22,500 shares
$9.13
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $3.74k 531 shares
Last Trade
Feb 15, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.13k 133 shares
$8.47
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $6.27k 890 shares
Last Trade
Feb 15, 2026 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$940 111 shares
$8.47
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $54.9k 7,789 shares
Last Trade
Feb 15, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$661 78 shares
$8.47
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $55.5k 7,867 shares
Last Trade
Feb 15, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.07k 244 shares
$8.47
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $4.68k 664 shares
Last Trade
Nov 15, 2025 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.2k 132 shares
$16.66
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $54.3k 7,699 shares
Last Trade
Nov 15, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.87k 112 shares
$16.66
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $53.7k 7,623 shares
Last Trade
Nov 15, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.31k 76 shares
$17.30
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $53.5k 7,587 shares
Last Trade
Nov 15, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.2k 132 shares
$16.66
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
See Remarks
Holding Value $7.06k 1,001 shares
Last Trade
Nov 15, 2025 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.87k 112 shares
$16.66
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
Chief Legal Officer And EVP
Holding Value $737k 104,546 shares
Last Trade
Jul 05, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$243k 63,492 shares
$3.83
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
Chief Legal Officer And EVP
Holding Value $917k 130,000 shares
Last Trade
Feb 04, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$959k 130,000 shares
$7.38
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
Chief Legal Officer And EVP
Holding Value $705k 100,000 shares
Last Trade
Feb 04, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$2.63M 100,000 shares
$26.34
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
Chief Legal Officer And EVP
Holding Value $2.47M 350,000 shares
Last Trade
Jan 29, 2020 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.16M 350,000 shares
$3.30
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
Chief Legal Officer And EVP
Holding Value $0 0 shares
Last Trade
Jan 26, 2020 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$78.3k 25,000 shares
$3.13
$7.05
Seres Therapeutics
Seres Therapeutics MCRB
Chief Legal Officer And EVP
Holding Value $289k 41,054 shares
Last Trade
Jan 26, 2020 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$78.3k 25,000 shares
$3.13
$7.05

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