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 |
2021-04-12 Sale |
2021-04-14 8:19 pm |
Generation Bio Co. | GBIO | ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC 10% Owner |
140,682 | $25.92 | $3,646,968 | 9,111,939 (Indirect Direct) |
View |
2021-04-12 Sale |
2021-04-14 4:01 pm |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
6,000 | $26.24 | $157,446 | 227,848 (Direct) |
View |
2021-04-07 Sale |
2021-04-09 8:54 pm |
Generation Bio Co. | GBIO | ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC 10% Owner |
127,095 | $28.2 | $3,583,860 | 9,252,621 (Indirect Direct) |
View |
2021-04-07 Sale |
2021-04-09 8:53 pm |
Generation Bio Co. | GBIO | Rhodes Jason P Director |
127,095 | $28.2 | $3,583,860 | 10,620,166 (Indirect) |
View |
2021-04-05 Sale |
2021-04-07 4:05 pm |
Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER |
14,072 | $30.09 | $423,451 | 368,775 (Direct) |
View |
2021-03-10 Sale |
2021-03-12 4:03 pm |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
10,500 | $34.97 | $367,210 | 233,848 (Direct) |
View |
2021-03-05 Sale |
2021-03-09 4:05 pm |
Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER |
11,267 | $31.44 | $354,267 | 416,517 (Direct) |
View |
2021-03-03 Sale |
2021-03-05 4:05 pm |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
3,000 | $41.38 | $124,140 | 91,407 (Direct) |
View |
2021-03-01 Sale |
2021-03-03 4:10 pm |
Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO |
10,000 | $37.58 | $375,801 | 1,695,542 (Indirect Direct) |
View |
2021-03-01 Sale |
2021-03-03 4:10 pm |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $38.84 | $97,099 | 94,407 (Direct) |
View |
2021-02-10 Sale |
2021-02-12 4:05 pm |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
10,400 | $34.6 | $359,856 | 244,348 (Direct) |
View |
2021-02-08 Sale |
2021-02-10 4:05 pm |
Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER |
11,267 | $33.37 | $375,954 | 427,784 (Direct) |
View |
2021-02-02 Sale |
2021-02-04 4:05 pm |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $33.05 | $82,625 | 126,385 (Direct) |
View |
2021-01-15 Sale |
2021-01-20 4:05 pm |
Generation Bio Co. | GBIO | Angelino Mark D. CHIEF OPERATING OFFICER |
7,500 | $32.97 | $247,273 | 626,443 (Indirect Direct) |
View |
2021-01-14 Sale |
2021-01-15 4:06 pm |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $33.09 | $82,725 | 99,407 (Direct) |
View |
2021-01-14 Sale |
2021-01-15 4:05 pm |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
5,630 | $32.54 | $183,212 | 254,748 (Direct) |
View |
2021-01-11 Sale |
2021-01-13 4:07 pm |
Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER |
11,267 | $27.58 | $310,768 | 439,051 (Direct) |
View |
2021-01-11 Sale |
2021-01-13 4:06 pm |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
14,820 | $27.69 | $410,372 | 260,378 (Direct) |
View |
2021-01-11 Purchase |
2021-01-13 4:05 pm |
Generation Bio Co. | GBIO | Nicholson Donald William Director |
4,081 | $24.5 | $99,985 | 103,157 (Direct) |
View |
2021-01-11 Purchase |
2021-01-13 4:04 pm |
Generation Bio Co. | GBIO | Rowland Charles A Jr Director |
20,408 | $24.5 | $499,996 | 101,035 (Direct) |
View |
2020-12-15 Sale |
2020-12-17 4:05 pm |
Generation Bio Co. | GBIO | Angelino Mark D. Chief Operating Officer |
5,301 | $34.98 | $185,431 | 633,943 (Indirect Direct) |
View |
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 |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2021-04-12 Exercise |
2021-04-14 4:01 pm |
N/A 2028-01-04 |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
6,000 | $0 | 227,848 (Direct) |
View |
2021-04-12 Exercise |
2021-04-14 4:01 pm |
N/A N/A |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
6,000 | $0.6 | 227,848 (Direct) |
View |
2021-04-05 Exercise |
2021-04-07 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER |
14,072 | $5.16 | 368,775 (Direct) |
View |
2021-04-05 Exercise |
2021-04-07 4:05 pm |
N/A 2030-03-04 |
Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER |
14,072 | $0 | 368,775 (Direct) |
View |
2021-03-16 Other |
2021-03-18 5:08 pm |
N/A N/A |
Generation Bio Co. | GBIO | Atlas Venture Fund X L.P. 10% Owner |
1,000,000 | $0 | 10,111,939 (Direct) |
View |
2021-03-10 Exercise |
2021-03-12 4:03 pm |
N/A 2028-01-04 |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
10,500 | $0 | 233,848 (Direct) |
View |
2021-03-10 Exercise |
2021-03-12 4:03 pm |
N/A N/A |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
10,500 | $0.6 | 233,848 (Direct) |
View |
2021-03-05 Exercise |
2021-03-09 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER |
11,267 | $4.59 | 416,517 (Direct) |
View |
2021-03-05 Exercise |
2021-03-09 4:05 pm |
N/A 2028-04-01 |
Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER |
11,267 | $0 | 416,517 (Direct) |
View |
2021-03-03 Exercise |
2021-03-05 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
3,000 | $4.59 | 91,407 (Direct) |
View |
2021-03-03 Exercise |
2021-03-05 4:05 pm |
N/A 2028-12-05 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
3,000 | $0 | 91,407 (Direct) |
View |
2021-03-01 Exercise |
2021-03-03 4:10 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $4.59 | 94,407 (Direct) |
View |
2021-03-01 Exercise |
2021-03-03 4:10 pm |
N/A 2028-12-05 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $0 | 94,407 (Direct) |
View |
2021-03-01 Option Award |
2021-03-03 4:06 pm |
N/A 2031-02-28 |
Generation Bio Co. | GBIO | Cooper Ronald Harold Wilfred Director |
30,000 | $0 | 30,000 (Direct) |
View |
2021-02-10 Exercise |
2021-02-12 4:05 pm |
N/A 2028-01-04 |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
10,400 | $0 | 244,348 (Direct) |
View |
2021-02-10 Exercise |
2021-02-12 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
10,400 | $0.6 | 244,348 (Direct) |
View |
2021-02-08 Exercise |
2021-02-10 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER |
11,267 | $4.59 | 427,784 (Direct) |
View |
2021-02-08 Exercise |
2021-02-10 4:05 pm |
N/A 2028-04-01 |
Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER |
11,267 | $0 | 427,784 (Direct) |
View |
2021-01-22 Option Award |
2021-02-05 5:06 pm |
N/A 2031-01-21 |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
103,500 | $0 | 103,500 (Direct) |
View |
2021-01-22 Option Award |
2021-02-05 5:05 pm |
N/A 2031-01-21 |
Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER |
73,500 | $0 | 73,500 (Direct) |
View |
2021-01-22 Option Award |
2021-02-05 5:04 pm |
N/A 2031-01-21 |
Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO |
251,000 | $0 | 251,000 (Direct) |
View |
2021-01-22 Option Award |
2021-02-05 5:03 pm |
N/A 2031-01-21 |
Generation Bio Co. | GBIO | Norkunas Matthew CHIEF FINANCIAL OFFICER |
38,923 | $0 | 38,923 (Direct) |
View |
2021-02-02 Exercise |
2021-02-04 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $4.59 | 126,385 (Direct) |
View |
2021-02-02 Exercise |
2021-02-04 4:05 pm |
N/A 2028-12-05 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $0 | 126,385 (Direct) |
View |
2021-01-22 Option Award |
2021-02-04 4:05 pm |
N/A 2031-01-21 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
29,478 | $0 | 126,385 (Direct) |
View |
2021-01-15 Exercise |
2021-01-20 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Angelino Mark D. CHIEF OPERATING OFFICER |
7,500 | $4.59 | 626,443 (Direct) |
View |
2021-01-15 Exercise |
2021-01-20 4:05 pm |
N/A 2028-04-01 |
Generation Bio Co. | GBIO | Angelino Mark D. CHIEF OPERATING OFFICER |
7,500 | $0 | 626,443 (Direct) |
View |
2021-01-14 Exercise |
2021-01-15 4:06 pm |
N/A N/A |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $4.59 | 99,407 (Direct) |
View |
2021-01-14 Exercise |
2021-01-15 4:06 pm |
N/A 2028-12-05 |
Generation Bio Co. | GBIO | Zimmermann Tracy CHIEF DEVELOPMENT OFFICER |
2,500 | $0 | 99,407 (Direct) |
View |
2021-01-14 Exercise |
2021-01-15 4:05 pm |
N/A 2028-01-04 |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
5,630 | $0 | 254,748 (Direct) |
View |
2021-01-14 Exercise |
2021-01-15 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
5,630 | $0.6 | 254,748 (Direct) |
View |
2021-01-13 Gift |
2021-01-15 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | MCDONOUGH GEOFF PRESIDENT AND CEO |
275,000 | $0 | 1,705,542 (Direct) |
View |
2021-01-11 Exercise |
2021-01-13 4:07 pm |
N/A N/A |
Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER |
11,267 | $4.59 | 439,051 (Direct) |
View |
2021-01-11 Exercise |
2021-01-13 4:07 pm |
N/A 2028-04-01 |
Generation Bio Co. | GBIO | Kerr Douglas CHIEF MEDICAL OFFICER |
11,267 | $0 | 439,051 (Direct) |
View |
2021-01-11 Exercise |
2021-01-13 4:06 pm |
N/A 2028-01-04 |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
14,820 | $0 | 260,378 (Direct) |
View |
2021-01-11 Exercise |
2021-01-13 4:06 pm |
N/A N/A |
Generation Bio Co. | GBIO | Stanton Matthew CHIEF SCIENTIFIC OFFICER |
14,820 | $0.6 | 260,378 (Direct) |
View |
Ownership(A) |
2021-01-13 4:05 pm |
N/A 2030-03-04 |
Generation Bio Co. | GBIO | MCDONOUGH GEOFF President and CEO 10% Owner |
0 | $0 | 398,076 (Direct) |
View |
Ownership(A) |
2021-01-13 4:05 pm |
N/A 2028-06-05 |
Generation Bio Co. | GBIO | JONAS JEFFREY M Director |
0 | $0 | 42,461 (Direct) |
View |
2020-12-15 Other |
2020-12-17 6:20 pm |
N/A N/A |
Generation Bio Co. | GBIO | Atlas Venture Fund X L.P. Atlas Venture Opportunity Fund I L.P. 10% Owner |
1,151,882 | $0 | 12,630,758 (Indirect) |
View |
2020-12-15 Exercise |
2020-12-17 4:05 pm |
N/A N/A |
Generation Bio Co. | GBIO | Angelino Mark D. Chief Operating Officer |
5,301 | $4.59 | 633,943 (Direct) |
View |
2020-12-15 Exercise |
2020-12-17 4:05 pm |
N/A 2028-04-01 |
Generation Bio Co. | GBIO | Angelino Mark D. Chief Operating Officer |
5,301 | $0 | 633,943 (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 |
2020-12-10 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 |
2020-11-09 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 2028-01-04 |
Generation Bio Co. | GBIO | Angelino Mark D. Chief Operating Officer |
62,560 | $0 | 553,019 (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 |
2020-07-22 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 |