Matthew Stanton Generation Bio Co. (GBIO) insider trading activity

Matthew Stanton is CHIEF SCIENTIFIC OFFICER of Generation Bio Co.. Currently has a direct ownership of 247,319 shares of GBIO, which is worth approximately $230,006. The most recent transaction as insider was on Aug 23, 2021, when has been sold 1,500 shares (Common Stock) at a price of $4.59 per share, resulting in proceeds of $6,885. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 247K

0.48% 3M change

5.45% 12M change

Total Value Held $230,006

Matthew Stanton Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Aug 23 2021	BUY Exercise of conversion of derivative security	$6,885 $4.59 p/Share	1,500 Added 0.75%	199,654 Common Stock
Aug 10 2021	SELL Open market or private sale	$34,860 $23.24 p/Share	1,500 Reduced 0.75%	198,154 Common Stock
Aug 10 2021	BUY Exercise of conversion of derivative security	$6,885 $4.59 p/Share	1,500 Added 0.75%	199,654 Common Stock
Jul 12 2021	SELL Open market or private sale	$74,880 $24.96 p/Share	3,000 Reduced 1.49%	198,154 Common Stock
Jul 12 2021	BUY Exercise of conversion of derivative security	$13,770 $4.59 p/Share	3,000 Added 1.47%	201,154 Common Stock
Jun 15 2021	SELL Open market or private sale	$42,120 $28.08 p/Share	1,500 Reduced 0.75%	198,154 Common Stock
Jun 15 2021	BUY Exercise of conversion of derivative security	$6,885 $4.59 p/Share	1,500 Added 0.75%	199,654 Common Stock
Jun 10 2021	SELL Open market or private sale	$163,380 $27.23 p/Share	6,000 Reduced 2.94%	198,154 Common Stock
Jun 10 2021	BUY Exercise of conversion of derivative security	$27,540 $4.59 p/Share	6,000 Added 2.86%	204,154 Common Stock
May 27 2021	SELL Open market or private sale	$51,075 $34.05 p/Share	1,500 Reduced 0.75%	198,154 Common Stock
May 27 2021	BUY Exercise of conversion of derivative security	$6,885 $4.59 p/Share	1,500 Added 0.75%	199,654 Common Stock
May 11 2021	SELL Open market or private sale	$12,420 $31.05 p/Share	400 Reduced 0.2%	198,154 Common Stock
May 11 2021	BUY Exercise of conversion of derivative security	$1,040 $2.6 p/Share	400 Added 0.2%	198,554 Common Stock
May 10 2021	SELL Open market or private sale	$268,320 $31.2 p/Share	8,600 Reduced 4.16%	198,154 Common Stock
May 10 2021	BUY Exercise of conversion of derivative security	$5,160 $0.6 p/Share	8,600 Added 3.99%	206,754 Common Stock
Apr 22 2021	SELL Open market or private sale	$51,045 $34.03 p/Share	1,500 Reduced 0.75%	198,154 Common Stock
Apr 22 2021	BUY Exercise of conversion of derivative security	$900 $0.6 p/Share	1,500 Added 0.75%	199,654 Common Stock
Apr 21 2021	SELL Open market or private sale	$46,605 $31.07 p/Share	1,500 Reduced 0.75%	198,154 Common Stock
Apr 21 2021	BUY Exercise of conversion of derivative security	$900 $0.6 p/Share	1,500 Added 0.75%	199,654 Common Stock
Apr 16 2021	SELL Open market or private sale	$42,045 $28.03 p/Share	1,500 Reduced 0.75%	198,154 Common Stock
Apr 16 2021	BUY Exercise of conversion of derivative security	$900 $0.6 p/Share	1,500 Added 0.75%	199,654 Common Stock
Apr 12 2021	SELL Open market or private sale	$158,700 $26.45 p/Share	6,000 Reduced 2.94%	198,154 Common Stock
Apr 12 2021	BUY Exercise of conversion of derivative security	$3,600 $0.6 p/Share	6,000 Added 2.86%	204,154 Common Stock
Mar 10 2021	SELL Open market or private sale	$366,660 $34.92 p/Share	10,500 Reduced 5.03%	198,154 Common Stock
Mar 10 2021	BUY Exercise of conversion of derivative security	$6,300 $0.6 p/Share	10,500 Added 4.79%	208,654 Common Stock

Matthew Stanton

CHIEF SCIENTIFIC OFFICER

Cambridge, MA

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