Tracy Zimmermann Generation Bio Co. (GBIO) insider trading activity

Tracy Zimmermann is CHIEF DEVELOPMENT OFFICER of Generation Bio Co.. Currently has a direct ownership of 49,164 shares of GBIO, which is worth approximately $67,354. The most recent transaction as insider was on Jan 29, 2024, when has been sold 1,476 shares (Common Stock) at a price of $1.9 per share, resulting in proceeds of $2,804. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 49.2K

0% 3M change

35.12% 12M change

Total Value Held $67,354

Tracy Zimmermann Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 29 2024	SELL Payment of exercise price or tax liability	$2,804 $1.9 p/Share	1,476 Reduced 2.91%	49,164 Common Stock
Jan 29 2024	BUY Exercise of conversion of derivative security	-	5,021 Added 9.02%	50,640 Common Stock
Jan 15 2024	SELL Payment of exercise price or tax liability	$9,353 $1.91 p/Share	4,897 Reduced 9.69%	45,619 Common Stock
Jan 15 2024	BUY Exercise of conversion of derivative security	-	14,131 Added 22.77%	47,939 Common Stock
Oct 15 2023	SELL Payment of exercise price or tax liability	$7,072 $3.24 p/Share	2,183 Reduced 5.66%	36,385 Common Stock
Oct 15 2023	BUY Exercise of conversion of derivative security	-	7,437 Added 16.17%	38,568 Common Stock
Jul 15 2023	SELL Payment of exercise price or tax liability	$11,089 $5.08 p/Share	2,183 Reduced 6.55%	31,131 Common Stock
Jul 15 2023	BUY Exercise of conversion of derivative security	-	7,437 Added 18.25%	33,314 Common Stock
Apr 15 2023	SELL Payment of exercise price or tax liability	$9,823 $4.5 p/Share	2,183 Reduced 7.78%	25,877 Common Stock
Apr 15 2023	BUY Exercise of conversion of derivative security	-	7,437 Added 20.95%	28,060 Common Stock
Jan 15 2023	SELL Payment of exercise price or tax liability	$13,147 $5.1 p/Share	2,578 Reduced 11.11%	20,623 Common Stock
Jan 15 2023	BUY Exercise of conversion of derivative security	-	7,438 Added 24.28%	23,201 Common Stock
Oct 15 2022	SELL Payment of exercise price or tax liability	$12,252 $5.61 p/Share	2,184 Reduced 12.17%	15,763 Common Stock
Oct 15 2022	BUY Exercise of conversion of derivative security	-	7,438 Added 29.3%	17,947 Common Stock
Jul 15 2022	SELL Payment of exercise price or tax liability	$31,355 $7.18 p/Share	4,367 Reduced 29.36%	10,509 Common Stock
Jul 15 2022	BUY Exercise of conversion of derivative security	-	14,876 Added 50.0%	14,876 Common Stock
May 03 2021	SELL Open market or private sale	$89,800 $35.92 p/Share	2,500 Reduced 100.0%	0 Common Stock
May 03 2021	BUY Exercise of conversion of derivative security	$11,475 $4.59 p/Share	2,500 Added 50.0%	2,500 Common Stock
Apr 22 2021	SELL Open market or private sale	$83,300 $33.32 p/Share	2,500 Reduced 100.0%	0 Common Stock
Apr 22 2021	BUY Exercise of conversion of derivative security	$11,475 $4.59 p/Share	2,500 Added 50.0%	2,500 Common Stock
Mar 03 2021	SELL Open market or private sale	$124,140 $41.38 p/Share	3,000 Reduced 100.0%	0 Common Stock
Mar 03 2021	BUY Exercise of conversion of derivative security	$13,770 $4.59 p/Share	3,000 Added 50.0%	3,000 Common Stock
Mar 01 2021	SELL Open market or private sale	$96,525 $38.61 p/Share	2,500 Reduced 100.0%	0 Common Stock
Mar 01 2021	BUY Exercise of conversion of derivative security	$11,475 $4.59 p/Share	2,500 Added 50.0%	2,500 Common Stock
Feb 02 2021	SELL Open market or private sale	$82,625 $33.05 p/Share	2,500 Reduced 100.0%	0 Common Stock

Tracy Zimmermann

CHIEF DEVELOPMENT OFFICER

Cambridge, MA

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