Insider Trading & Ownership - MCDONOUGH GEOFF

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>>
Time period
Insider Trading Transactions for MCDONOUGH GEOFF
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2021-05-03
Sale
2021-05-05
4:10 pm
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
10,000 $35.63 $356,335 1,675,542
(Indirect
Direct)
View
2021-04-23
Sale
2021-04-27
4:02 pm
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
10,000 $35.1 $351,000 1,685,542
(Indirect
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

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2025-04-15
Tax Withholding
2025-04-17
4:05 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
1,548 $0.3678 1,888,037
(Direct)
View
2025-04-15
Exercise
2025-04-17
4:05 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
5,274 $0 1,888,037
(Direct)
View
2025-01-15
Tax Withholding
2025-01-17
4:05 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
1,828 $0.888 1,889,585
(Direct)
View
2025-01-15
Exercise
2025-01-17
4:05 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
5,274 $0 1,889,585
(Direct)
View
2025-01-10
Option Award
2025-01-14
4:05 pm
N/A
2035-01-09
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
901,690 $0 2,745,644
(Direct)
View
2024-10-15
Tax Withholding
2024-10-17
4:05 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
1,548 $2.42 1,886,550
(Direct)
View
2024-10-15
Exercise
2024-10-17
4:05 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
5,274 $0 1,886,550
(Direct)
View
2024-07-15
Tax Withholding
2024-07-17
4:05 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
1,548 $2.93 1,888,098
(Direct)
View
2024-07-15
Exercise
2024-07-17
4:05 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
5,274 $0 1,888,098
(Direct)
View
2024-04-15
Tax Withholding
2024-04-17
5:10 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
1,548 $3.7 1,882,927
(Direct)
View
2024-04-15
Exercise
2024-04-17
5:10 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
5,274 $0 1,882,927
(Direct)
View
2024-03-27
Option Award
2024-03-28
4:10 pm
N/A
2034-03-26
Third Harmonic Bio Inc. THRD MCDONOUGH GEOFF
Director
60,000 $0 60,000
(Direct)
View
2024-01-15
Exercise
2024-01-17
5:00 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
44,531 $0 1,884,475
(Direct)
View
2024-01-15
Tax Withholding
2024-01-17
5:00 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
15,431 $1.91 1,884,475
(Direct)
View
2024-01-02
Option Award
2024-01-03
4:35 pm
N/A
2034-01-01
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
506,250 $0 2,298,344
(Direct)
View
2023-12-01
Option Award
2023-12-05
4:30 pm
N/A
2033-11-30
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
240,470 $0 240,470
(Direct)
View
2023-10-15
Exercise
2023-10-17
6:00 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
23,437 $0 1,813,086
(Direct)
View
2023-10-15
Tax Withholding
2023-10-17
6:00 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
10,395 $3.24 1,813,086
(Direct)
View
2023-07-15
Exercise
2023-07-18
4:35 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
23,437 $0 1,823,481
(Direct)
View
2023-07-15
Tax Withholding
2023-07-18
4:35 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
7,476 $5.08 1,823,481
(Direct)
View
2023-04-15
Tax Withholding
2023-04-18
4:16 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
6,879 $4.5 1,827,841
(Direct)
View
2023-04-15
Exercise
2023-04-18
4:16 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
23,437 $0 1,827,841
(Direct)
View
2023-01-20
Option Award
2023-01-24
4:19 pm
N/A
2033-01-20
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
253,125 $0 253,125
(Direct)
View
2023-01-15
Tax Withholding
2023-01-18
4:54 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
8,122 $5.1 1,834,720
(Direct)
View
2023-01-15
Exercise
2023-01-18
4:54 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
23,438 $0 1,834,720
(Direct)
View
2022-10-15
Exercise
2022-10-18
4:38 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
23,438 $0 1,840,977
(Direct)
View
2022-10-15
Tax Withholding
2022-10-18
4:38 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
10,395 $5.61 1,840,977
(Direct)
View
2022-07-15
Tax Withholding
2022-07-19
4:22 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
14,150 $7.18 1,851,372
(Direct)
View
2022-07-15
Exercise
2022-07-19
4:22 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
46,876 $0 1,851,372
(Direct)
View
2022-01-21
Option Award
2022-01-25
4:05 pm
N/A
2032-01-21
Generation Bio Co. GBIO MCDONOUGH GEOFF
PRESIDENT AND CEO
562,500 $0 562,500
(Direct)
View
2021-06-08
Option Award
2021-06-10
4:30 pm
N/A
2031-06-08
Surface Oncology Inc. SURF MCDONOUGH GEOFF
Director
17,700 $0 17,700
(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
2021-01-13
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

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
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
2020-06-10
Option Award
2020-06-12
08:00 am
N/A
2030-06-10
Surface Oncology Inc. SURF MCDONOUGH GEOFF
Director
12,000 $0 12,000
(Direct)
View

Ownership
2020-06-11
8:42 pm
N/A
N/A
Generation Bio Co. GBIO MCDONOUGH GEOFF
See Remarks
10% Owner
0 $0 2,103,618
(Direct)
View
(A) Indicate amendment filing.