Insider Transactions Reported by 20 Insiders of Generation Bio Co.

Symbol
GBIO on Nasdaq
Location
Cambridge, MA

Insiders trading volume in the past year

Generation Bio Co. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Atlas Venture Fund X, L.P. 10%+ Owner $15.8M 17 Sep 2021
GEOFF MCDONOUGH Director $3.41M 31 Oct 2025
Matthew Stanton Chief Scientific Officer $1.37M 10 Jan 2025
Matthew Norkunas Chief Financial Officer $880K 10 Jan 2025
Phillip Samayoa Chief Scientific Officer $835K 31 Oct 2025
Antoinette Paone Chief Operating Officer $766K 31 Oct 2025
Douglas Kerr Chief Medical Officer $733K 29 Jan 2024
Yalonda Howze Chief Legal Officer $571K 15 Oct 2025
Anthony G. Quinn Director $566K +$203K +56.1% 04 Jun 2025
Jason P. Rhodes Director $275K 04 Jun 2025
Gustav Christensen Director $275K 04 Jun 2025
Ronald Harold Wilfred Cooper Director $275K 04 Jun 2025
Charles A. Rowland Jr Director $275K 04 Jun 2025
Catherine Stehman-Breen Director $275K 04 Jun 2025
JEFFREY M. JONAS Director $275K 04 Jun 2025
Dannielle Appelhans Director $275K 04 Jun 2025
Donald William Nicholson Director $275K 04 Jun 2025
Tracy Zimmermann Chief Development Officer $93.4K 29 Jan 2024
Kevin John Conway Chief Financial Officer $16.2K 15 Oct 2025
ATLAS VENTURE ASSOCIATES X, L.P. 10%+ Owner $1.16K 27 Sep 2021

Recent Insider Transactions by Companies or Individuals for Generation Bio Co.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.