GBIO- Generation Bio Co.

Name: Generation Bio Co. Insider Trading Data
Creator: U.S. Securities and Exchange Commission
License: https://www.sec.gov/privacy#accessibility

Classified under Biotechnology (Health Care sector), GBIO's insider flows are most useful compared with peers in the same group.

Compare Health Care sector insider flows →

Insider Ownership

Role	Insider	Shares	Value	30d
Dir	McDonough Geoff	137.5K	$775.3K	-
Other	Howze Yalonda	2.6K	$14.6K	-
CFO	Conway Kevin John	1.9K	-	-
10%	Atlas Venture Fund X, L.P.	0	-	-

Activity

Buys and sells only

Transactions

10 filings · page 6

Date	Insider	Role	Type	Shares	Price	Value	Chg%	3M	12M
Apr 9, 2021	Atlas Venture Associates X, L.P.88	10% Owner	Sell	127,095	$28.20	$3,583,860.22	-47.5%	-6.8%	-67.8%
Apr 5, 2021	Kerr Douglas59	Chief Medical Officer	Sale+OE	14,072	$30.09	$423,450.69	-4.1%	-17.7%	-71.5%
Mar 10, 2021	Stanton Matthew91	Chief Scientific Officer	Sale+OE	10,500	$34.97	$367,209.50	-5.0%	-21.2%	-86.4%
Mar 5, 2021	Kerr Douglas59	Chief Medical Officer	Sale+OE	11,267	$31.44	$354,267.16	-3.3%	-	-
Mar 3, 2021	Zimmermann Tracy	Chief Development Officer	Sale+OE	3,000	$41.38	$124,140.00	-100%	-	-
Mar 1, 2021	Zimmermann Tracy	Chief Development Officer	Sale+OE	2,500	$38.84	$97,099.00	-100%	-	-
Mar 1, 2021	McDonough Geoff	President And CEO	Sell	10,000	$37.58	$375,801.42	-0.8%	-	-
Feb 10, 2021	Stanton Matthew91	Chief Scientific Officer	Sale+OE	10,400	$34.60	$359,855.69	-5.0%	-	-
Feb 8, 2021	Kerr Douglas59	Chief Medical Officer	Sale+OE	11,267	$33.37	$375,954.36	-3.3%	-	-
Feb 2, 2021	Zimmermann Tracy	Chief Development Officer	Sale+OE	2,500	$33.05	$82,625.00	-100%	-	-

Understand these filings

How to Read SEC Form 4 Filings →Understanding Insider Buying Signals →What is Insider Trading? A Complete Guide →Cluster Buying: When Multiple Insiders Buy Together →

Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC