Synlogic Insider Trades

SYBX

Track insider trading activity from Synlogic executives and directors. See which insiders are buying and selling SYBX stock.

Trades Last 12 Months

SYBX Price

All Insider Trades for Synlogic

Sort by: Latest Trade Biggest Holding
Insider
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Holding Value $3.04M 2,640,845 shares
Last Trade
Jul 27, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$1.85M 2,640,845 shares
$0.70
$1.15
Dooley Mary Beth See Remarks Below
Holding Value $14.7k 12,744 shares
Last Trade
Oct 29, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$284 157 shares
$1.81
$1.15
Shea Richard P Director
Holding Value $17.8k 15,506 shares
Last Trade
Apr 26, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$17.5k 15,000 shares
$1.16
$1.15
Flynn James P Director
Holding Value $17.3k 15,000 shares
Last Trade
Apr 26, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$17.5k 15,000 shares
$1.16
$1.15
Awad Antoine Chief Operating Officer
Holding Value $38.9k 33,859 shares
Last Trade
Apr 02, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$644 372 shares
$1.73
$1.15
Holding Value $16.9k 14,678 shares
Last Trade
Jan 02, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$65.6k 14,678 shares
$4.47
$1.15
Barrett Peter Director
Holding Value $28.7k 24,923 shares
Last Trade
Jan 02, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$111k 24,923 shares
$4.47
$1.15
Jensen Michael Vangsted Chief Financial Officer
Holding Value $0 0 shares
Last Trade
Nov 10, 2023 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$40.7k 21,998 shares
$1.85
$1.15
Brennan Aoife President And CEO
Holding Value $0 0 shares
Last Trade
Nov 10, 2023 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$193k 104,215 shares
$1.85
$1.15
Holding Value $34.5k 30,000 shares
Last Trade
Jun 22, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$227k 30,000 shares
$7.57
$1.15
Leschly Nick Director
Holding Value $34.5k 30,000 shares
Last Trade
Jun 22, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$227k 30,000 shares
$7.57
$1.15
Mathers Edward T Director
Holding Value $34.5k 30,000 shares
Last Trade
Jun 22, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$227k 30,000 shares
$7.57
$1.15
Holding Value $34.5k 30,000 shares
Last Trade
Jun 22, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$227k 30,000 shares
$7.57
$1.15
Holding Value $34.5k 30,000 shares
Last Trade
Jun 22, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$227k 30,000 shares
$7.57
$1.15
Beloff Gregg See Remarks
Holding Value $57.5k 50,000 shares
Last Trade
Dec 06, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.76M 50,000 shares
$35.10
$1.15
Holding Value $4.25M 3,696,662 shares
Last Trade
Apr 20, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$76M 1,666,666 shares
$45.60
$1.15
Holding Value $4.25M 3,696,662 shares
Last Trade
Apr 20, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$76M 1,666,666 shares
$45.60
$1.15
Riese Richard J. Chief Medical Officer
Holding Value $80.5k 70,000 shares
Last Trade
Mar 10, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$3.68M 70,000 shares
$52.50
$1.15
Plevy Scott Eric Chief Scientific Officer
Holding Value $9.2k 8,000 shares
Last Trade
Sep 23, 2019 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$299k 8,000 shares
$37.35
$1.15
Holding Value $7.29M 6,340,771 shares
Last Trade
Jun 11, 2019 Sale
$240M 2,548,117 shares
$94.05
$1.15

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