Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2020-12-10 Sale |
2020-12-14 4:05 pm |
Generation Bio Co. | GBIO | Stanton Matthew Chief Scientific Officer |
10,540 | $37.62 | $396,499 | 275,198 (Direct) |
View |
2020-06-16 Purchase |
2020-06-18 6:02 pm |
Generation Bio Co. | GBIO | Wellington Biomedical Innovation Master Investors (Cayman) I L.P. 10% Owner |
1,100,000 | $19 | $20,900,000 | 2,112,546 (Direct) |
View |
2020-06-16 Purchase |
2020-06-18 6:01 pm |
Generation Bio Co. | GBIO | Invus Public Equities L.P. Minne Pascal Artal International S.C.A. Artal International Management S.A. Artal Group S.A. Westend S.A. Stichting Administratiekantoor Westend Artal Treasury Ltd Invus Public Equities Advisors LLC 10% Owner |
800,000 | $19 | $15,200,000 | 2,814,191 (Direct) |
View |
2020-06-16 Purchase |
2020-06-18 5:30 pm |
Generation Bio Co. | GBIO | Rowland Charles A Jr Director |
30,000 | $19 | $570,000 | 80,627 (Direct) |
View |
2020-06-16 Purchase |
2020-06-18 5:29 pm |
Generation Bio Co. | GBIO | Casdin Capital LLC Casdin Eli 10% Owner |
650,000 | $19 | $12,350,000 | 1,611,215 (Indirect) |
View |
2020-06-16 Purchase |
2020-06-17 5:00 pm |
Generation Bio Co. | GBIO | Zone Healthcare Holdings LLC FARALLON CAPITAL MANAGEMENT LLC FARALLON PARTNERS L L C Dreyfuss Philip D Fisch Michael B. FRIED RICHARD B Kim David T Linn Michael G PATEL RAJIV A Roberts Thomas G. Jr. Member of Group Owning 10% 10% Owner |
400,000 | $19 | $7,600,000 | 6,875,276 (Indirect Direct) |
View |
2020-06-16 Purchase |
2020-06-17 4:59 pm |
Generation Bio Co. | GBIO | Seybold William Spokes Andrew J M Warren John R. WEHRLY MARK C Member of Group Owning 10% 10% Owner |
400,000 | $19 | $7,600,000 | 6,875,276 (Indirect Direct) |
View |
2020-06-16 Purchase |
2020-06-16 2:50 pm |
Generation Bio Co. | GBIO | Flynn James E Deerfield Mgmt L.P. DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C) DEERFIELD PARTNERS L.P. Possible Member of 10% Group 10% Owner |
225,000 | $19 | $4,275,000 | 1,186,215 (Indirect) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2020-12-10 Exercise |
2020-12-14 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Stanton Matthew Chief Scientific Officer |
10,540 | $0.6 | 275,198 (Direct) |
View |
2020-12-10 Exercise |
2020-12-14 4:05 pm |
N/A 2028-01-04 |
Generation Bio Co. | GBIO | Stanton Matthew Chief Scientific Officer |
10,540 | $0 | 275,198 (Direct) |
View |
2020-11-09 Option Award |
2020-11-10 4:10 pm |
N/A 2030-11-08 |
Generation Bio Co. | GBIO | Zimmermann Tracy Chief Development Officer |
97,500 | $0 | 97,500 (Direct) |
View |
Ownership |
2020-11-10 4:05 pm |
N/A 2028-12-05 |
Generation Bio Co. | GBIO | Zimmermann Tracy Chief Development Officer |
0 | $0 | 113,936 (Direct) |
View |
2020-08-14 Exercise |
2020-08-18 4:07 pm |
N/A N/A |
Generation Bio Co. | GBIO | Angelino Mark D. Chief Operating Officer |
62,560 | $0.6 | 553,019 (Direct) |
View |
2020-08-14 Exercise |
2020-08-18 4:07 pm |
N/A 2028-01-04 |
Generation Bio Co. | GBIO | Angelino Mark D. Chief Operating Officer |
62,560 | $0 | 553,019 (Direct) |
View |
2020-07-22 Option Award |
2020-07-24 4:40 pm |
N/A 2030-07-21 |
Generation Bio Co. | GBIO | Norkunas Matthew Chief Financial Officer |
330,000 | $0 | 330,000 (Direct) |
View |
2020-06-16 Conversion |
2020-06-18 6:04 pm |
N/A N/A |
Generation Bio Co. | GBIO | Christensen Gustav Director |
244,606 | $0 | 131,422 (Direct) |
View |
2020-06-16 Conversion |
2020-06-18 6:02 pm |
N/A N/A |
Generation Bio Co. | GBIO | Wellington Biomedical Innovation Master Investors (Cayman) I L.P. 10% Owner |
2,801,006 | $0 | 2,112,546 (Direct) |
View |
2020-06-16 Conversion |
2020-06-18 6:02 pm |
N/A N/A |
Generation Bio Co. | GBIO | MCDONOUGH GEOFF See Remarks 10% Owner |
313,231 | $0 | 1,705,542 (Direct) |
View |
2020-06-16 Conversion |
2020-06-18 6:01 pm |
N/A N/A |
Generation Bio Co. | GBIO | Invus Public Equities L.P. Minne Pascal Artal International S.C.A. Artal International Management S.A. Artal Group S.A. Westend S.A. Stichting Administratiekantoor Westend Artal Treasury Ltd Invus Public Equities Advisors LLC 10% Owner |
5,274,087 | $0 | 2,814,191 (Direct) |
View |
2020-06-16 Conversion |
2020-06-18 5:32 pm |
N/A N/A |
Generation Bio Co. | GBIO | Stehman-Breen Catherine Director |
14,004 | $0 | 47,523 (Direct) |
View |
2020-06-16 Conversion |
2020-06-18 5:31 pm |
N/A N/A |
Generation Bio Co. | GBIO | Quinn Anthony G. Director |
84,030 | $0 | 72,837 (Direct) |
View |
2020-06-16 Conversion |
2020-06-18 5:31 pm |
N/A N/A |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
156,615 | $0 | 99,076 (Direct) |
View |
2020-06-16 Conversion |
2020-06-18 5:30 pm |
N/A N/A |
Generation Bio Co. | GBIO | Rowland Charles A Jr Director |
140,050 | $0 | 80,627 (Direct) |
View |
2020-06-16 Conversion |
2020-06-18 5:29 pm |
N/A N/A |
Generation Bio Co. | GBIO | Casdin Capital LLC Casdin Eli 10% Owner |
2,510,125 | $0 | 1,611,215 (Indirect) |
View |
2020-06-16 Conversion |
2020-06-18 5:28 pm |
N/A N/A |
Generation Bio Co. | GBIO | Rhodes Jason P Director |
25,093,735 | $0 | 12,630,758 (Indirect) |
View |
2020-06-16 Conversion |
2020-06-18 5:28 pm |
N/A N/A |
Generation Bio Co. | GBIO | Atlas Venture Fund X L.P. Atlas Venture Associates X LLC ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Opportunity Fund I L.P. Atlas Venture Associates Opportunity I L.P. Atlas Venture Associates Opportunity I LLC 10% Owner |
25,359,321 | $0 | 12,630,758 (Indirect) |
View |
2020-06-16 Conversion |
2020-06-17 5:00 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zone Healthcare Holdings LLC FARALLON CAPITAL MANAGEMENT LLC FARALLON PARTNERS L L C Dreyfuss Philip D Fisch Michael B. FRIED RICHARD B Kim David T Linn Michael G PATEL RAJIV A Roberts Thomas G. Jr. Member of Group Owning 10% 10% Owner |
4,201,510 | $0 | 6,875,276 (Direct) |
View |
2020-06-16 Conversion |
2020-06-17 4:59 pm |
N/A N/A |
Generation Bio Co. | GBIO | Seybold William Spokes Andrew J M Warren John R. WEHRLY MARK C Member of Group Owning 10% 10% Owner |
4,201,510 | $0 | 6,875,276 (Direct) |
View |
2020-06-16 Conversion |
2020-06-16 2:50 pm |
N/A N/A |
Generation Bio Co. | GBIO | Flynn James E Deerfield Mgmt L.P. DEERFIELD MANAGEMENT COMPANY L.P. (SERIES C) DEERFIELD PARTNERS L.P. Possible Member of 10% Group 10% Owner |
2,510,125 | $0 | 1,186,215 (Indirect) |
View |