Kevin John Conway Generation Bio Co. (GBIO) insider trading activity

Kevin John Conway is Chief Financial Officer of Generation Bio Co.. Currently has a direct ownership of 1,867 shares of GBIO, which is worth approximately $11,650. The most recent transaction as insider was on Oct 15, 2025, when has been sold 18 shares (Common Stock) at a price of $6.71 per share, resulting in proceeds of $120. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 1.87K

89.78% 3M change

n/a 12M change

Total Value Held $11,650

Kevin John Conway Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Oct 15 2025	SELL Payment of exercise price or tax liability	$120 $6.71 p/Share	18 Reduced 0.95%	1,867 Common Stock
Oct 15 2025	BUY Exercise of conversion of derivative security	-	58 Added 2.99%	1,885 Common Stock
Jul 15 2025	SELL Payment of exercise price or tax liability	$74 $0.43 p/Share	173 Reduced 0.94%	18,273 Common Stock
Jul 15 2025	BUY Exercise of conversion of derivative security	-	587 Added 3.08%	18,446 Common Stock
Apr 15 2025	SELL Payment of exercise price or tax liability	$64 $0.37 p/Share	173 Reduced 0.96%	17,859 Common Stock
Apr 15 2025	BUY Exercise of conversion of derivative security	-	587 Added 3.15%	18,032 Common Stock
Jan 15 2025	SELL Payment of exercise price or tax liability	$181 $0.89 p/Share	204 Reduced 1.16%	17,445 Common Stock
Jan 15 2025	BUY Exercise of conversion of derivative security	-	587 Added 3.22%	17,649 Common Stock

KJC

Kevin John Conway

Chief Financial Officer

Cambridge, MA

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