Insider Transactions last 24 months for Generation Bio Co. - NSDQ: GBIO
Transactions
All
Buy
Sell
Option Exercise
Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Mcdonough Geoff PRESIDENT AND CEO 07/15/2025 DF Direct COM 1,548 $0.43 $659.45 1,364,648 Mcdonough Geoff PRESIDENT AND CEO 07/15/2025 AM Direct COM 5,273 $0.00 $0.00 1,366,196 Samayoa Phillip CHIEF SCIENTIFIC OFFICER 07/15/2025 DF Direct COM 337 $0.43 $143.56 140,588 Samayoa Phillip CHIEF SCIENTIFIC OFFICER 07/15/2025 AM Direct COM 1,147 $0.00 $0.00 140,925 Paone Antoinette CHIEF OPERATING OFFICER 07/15/2025 DF Direct COM 468 $0.43 $199.37 35,465 Paone Antoinette CHIEF OPERATING OFFICER 07/15/2025 AM Direct COM 1,592 $0.00 $0.00 35,933 Conway Kevin John Chief Financial Officer 07/15/2025 DF Direct COM 173 $0.43 $73.70 18,273 Conway Kevin John Chief Financial Officer 07/15/2025 AM Direct COM 587 $0.00 $0.00 18,446 Howze Yalonda CHIEF LEGAL OFFICER 07/15/2025 DF Direct COM 983 $0.43 $418.76 21,101 Howze Yalonda CHIEF LEGAL OFFICER 07/15/2025 AM Direct COM 3,347 $0.00 $0.00 22,084 Conway Kevin John Chief Financial Officer 04/15/2025 DF Direct COM 173 $0.37 $63.63 17,859 Conway Kevin John Chief Financial Officer 04/15/2025 AM Direct COM 587 $0.00 $0.00 18,032 Howze Yalonda CHIEF LEGAL OFFICER 04/15/2025 DF Direct COM 983 $0.37 $361.55 18,737 Howze Yalonda CHIEF LEGAL OFFICER 04/15/2025 AM Direct COM 3,347 $0.00 $0.00 19,720 Paone Antoinette CHIEF OPERATING OFFICER 04/15/2025 DF Direct COM 468 $0.37 $172.13 23,082 Paone Antoinette CHIEF OPERATING OFFICER 04/15/2025 AM Direct COM 1,592 $0.00 $0.00 23,550 Mcdonough Geoff PRESIDENT AND CEO 04/15/2025 DF Direct COM 1,548 $0.37 $569.35 1,349,664 Mcdonough Geoff PRESIDENT AND CEO 04/15/2025 AM Direct COM 5,274 $0.00 $0.00 1,351,212 Samayoa Phillip CHIEF SCIENTIFIC OFFICER 04/15/2025 DF Direct COM 337 $0.37 $123.95 128,519 Samayoa Phillip CHIEF SCIENTIFIC OFFICER 04/15/2025 AM Direct COM 1,147 $0.00 $0.00 128,856 Mcdonough Geoff PRESIDENT AND CEO 01/15/2025 DF Direct COM 1,828 $0.89 $1,623.26 1,345,938 Mcdonough Geoff PRESIDENT AND CEO 01/15/2025 AM Direct COM 5,274 $0.00 $0.00 1,347,766 Samayoa Phillip CHIEF SCIENTIFIC OFFICER 01/15/2025 DF Direct COM 398 $0.89 $353.42 127,709 Samayoa Phillip CHIEF SCIENTIFIC OFFICER 01/15/2025 AM Direct COM 1,147 $0.00 $0.00 128,107 Paone Antoinette CHIEF OPERATING OFFICER 01/15/2025 DF Direct COM 552 $0.89 $490.18 21,958
1 2 3 4 5 6 Next Last You are at page 1 of 6 pages
Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Quinn Anthony G. Director 01/13/2025 AP Direct COM 85,000 $0.97 $82,450.00 299,286 Quinn Anthony G. Director 01/10/2025 AP Direct COM 125,791 $0.96 $120,759.36 214,286 Appelhans Dannielle Director 12/08/2023 AP Indirect COM 7,363 $1.79 $13,179.77 7,363 Appelhans Dannielle Director 12/08/2023 AP Direct COM 637 $1.82 $1,159.34 12,637 Rowland Charles A Jr Director 12/04/2023 AP Direct COM 150,000 $1.50 $225,000.00 534,757 Appelhans Dannielle Director 12/04/2023 AP Direct COM 12,000 $1.50 $18,000.00 12,000 Nicholson Donald William Director 12/01/2023 AP Direct COM 100,000 $1.44 $144,000.00 213,576 Quinn Anthony G. Director 12/01/2023 AP Direct COM 88,495 $1.41 $124,777.95 88,495 Rowland Charles A Jr Director 12/01/2023 AP Direct COM 192,960 $1.31 $252,777.60 384,757
1 You are at page 1 of 1 pages
Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Mcdonough Geoff PRESIDENT AND CEO 07/15/2025 DF Direct COM 1,548 $0.43 $659.45 1,364,648 Samayoa Phillip CHIEF SCIENTIFIC OFFICER 07/15/2025 DF Direct COM 337 $0.43 $143.56 140,588 Paone Antoinette CHIEF OPERATING OFFICER 07/15/2025 DF Direct COM 468 $0.43 $199.37 35,465 Conway Kevin John Chief Financial Officer 07/15/2025 DF Direct COM 173 $0.43 $73.70 18,273 Howze Yalonda CHIEF LEGAL OFFICER 07/15/2025 DF Direct COM 983 $0.43 $418.76 21,101 Conway Kevin John Chief Financial Officer 04/15/2025 DF Direct COM 173 $0.37 $63.63 17,859 Howze Yalonda CHIEF LEGAL OFFICER 04/15/2025 DF Direct COM 983 $0.37 $361.55 18,737 Paone Antoinette CHIEF OPERATING OFFICER 04/15/2025 DF Direct COM 468 $0.37 $172.13 23,082 Mcdonough Geoff PRESIDENT AND CEO 04/15/2025 DF Direct COM 1,548 $0.37 $569.35 1,349,664 Samayoa Phillip CHIEF SCIENTIFIC OFFICER 04/15/2025 DF Direct COM 337 $0.37 $123.95 128,519 Mcdonough Geoff PRESIDENT AND CEO 01/15/2025 DF Direct COM 1,828 $0.89 $1,623.26 1,345,938 Samayoa Phillip CHIEF SCIENTIFIC OFFICER 01/15/2025 DF Direct COM 398 $0.89 $353.42 127,709 Paone Antoinette CHIEF OPERATING OFFICER 01/15/2025 DF Direct COM 552 $0.89 $490.18 21,958 Howze Yalonda CHIEF LEGAL OFFICER 01/15/2025 DF Direct COM 1,160 $0.89 $1,030.08 16,373 Conway Kevin John Chief Financial Officer 01/15/2025 DF Direct COM 204 $0.89 $181.15 17,445 Paone Antoinette CHIEF OPERATING OFFICER 10/15/2024 DF Direct COM 468 $2.42 $1,132.56 16,055 Howze Yalonda CHIEF LEGAL OFFICER 10/15/2024 DF Direct COM 983 $0.00 $0.00 14,186 Mcdonough Geoff PRESIDENT AND CEO 10/15/2024 DF Direct COM 1,548 $2.42 $3,746.16 1,337,629 Norkunas Matthew CHIEF FINANCIAL OFFICER 10/15/2024 DF Direct COM 492 $2.42 $1,190.64 57,348 Norkunas Matthew CHIEF FINANCIAL OFFICER 10/15/2024 DF Direct COM 492 $2.42 $1,190.64 56,167 Samayoa Phillip CHIEF STRATEGY OFFICER 10/15/2024 DF Direct COM 337 $2.42 $815.54 122,097 Stanton Matthew CHIEF SCIENTIFIC OFFICER 10/15/2024 DF Direct COM 492 $2.42 $1,190.64 247,319 Paone Antoinette CHIEF OPERATING OFFICER 07/15/2024 DF Direct COM 468 $2.93 $1,371.24 14,931 Samayoa Phillip CHIEF STRATEGY OFFICER 07/15/2024 DF Direct COM 337 $2.93 $987.41 121,287 Norkunas Matthew CHIEF FINANCIAL OFFICER 07/15/2024 DF Direct COM 492 $2.93 $1,441.56 54,985
1 2 3 Next Last You are at page 1 of 3 pages
Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Mcdonough Geoff PRESIDENT AND CEO 07/15/2025 AM Direct COM 5,273 $0.00 $0.00 1,366,196 Samayoa Phillip CHIEF SCIENTIFIC OFFICER 07/15/2025 AM Direct COM 1,147 $0.00 $0.00 140,925 Paone Antoinette CHIEF OPERATING OFFICER 07/15/2025 AM Direct COM 1,592 $0.00 $0.00 35,933 Conway Kevin John Chief Financial Officer 07/15/2025 AM Direct COM 587 $0.00 $0.00 18,446 Howze Yalonda CHIEF LEGAL OFFICER 07/15/2025 AM Direct COM 3,347 $0.00 $0.00 22,084 Conway Kevin John Chief Financial Officer 04/15/2025 AM Direct COM 587 $0.00 $0.00 18,032 Howze Yalonda CHIEF LEGAL OFFICER 04/15/2025 AM Direct COM 3,347 $0.00 $0.00 19,720 Paone Antoinette CHIEF OPERATING OFFICER 04/15/2025 AM Direct COM 1,592 $0.00 $0.00 23,550 Mcdonough Geoff PRESIDENT AND CEO 04/15/2025 AM Direct COM 5,274 $0.00 $0.00 1,351,212 Samayoa Phillip CHIEF SCIENTIFIC OFFICER 04/15/2025 AM Direct COM 1,147 $0.00 $0.00 128,856 Mcdonough Geoff PRESIDENT AND CEO 01/15/2025 AM Direct COM 5,274 $0.00 $0.00 1,347,766 Samayoa Phillip CHIEF SCIENTIFIC OFFICER 01/15/2025 AM Direct COM 1,147 $0.00 $0.00 128,107 Paone Antoinette CHIEF OPERATING OFFICER 01/15/2025 AM Direct COM 1,592 $0.00 $0.00 22,510 Howze Yalonda CHIEF LEGAL OFFICER 01/15/2025 AM Direct COM 3,347 $0.00 $0.00 17,533 Conway Kevin John Chief Financial Officer 01/15/2025 AM Direct COM 587 $0.00 $0.00 17,649 Paone Antoinette CHIEF OPERATING OFFICER 10/15/2024 AM Direct COM 1,592 $0.00 $0.00 16,523 Howze Yalonda CHIEF LEGAL OFFICER 10/15/2024 AM Direct COM 3,347 $2.42 $8,099.74 15,169 Mcdonough Geoff PRESIDENT AND CEO 10/15/2024 AM Direct COM 5,274 $0.00 $0.00 1,339,177 Norkunas Matthew CHIEF FINANCIAL OFFICER 10/15/2024 AM Direct COM 1,673 $0.00 $0.00 57,840 Norkunas Matthew CHIEF FINANCIAL OFFICER 10/15/2024 AM Direct COM 1,674 $0.00 $0.00 56,659 Samayoa Phillip CHIEF STRATEGY OFFICER 10/15/2024 AM Direct COM 1,147 $0.00 $0.00 122,434 Stanton Matthew CHIEF SCIENTIFIC OFFICER 10/15/2024 AM Direct COM 1,674 $0.00 $0.00 247,811 Paone Antoinette CHIEF OPERATING OFFICER 07/15/2024 AM Direct COM 1,592 $0.00 $0.00 15,399 Samayoa Phillip CHIEF STRATEGY OFFICER 07/15/2024 AM Direct COM 1,147 $0.00 $0.00 121,624 Norkunas Matthew CHIEF FINANCIAL OFFICER 07/15/2024 AM Direct COM 1,673 $0.00 $0.00 55,477
1 2 3 Next Last You are at page 1 of 3 pages
Transaction Type Key A = Acquired, D = Disposed A = Grant, award or other acquisition pursuant to Rule 16b-3(d)
C = Conversion of derivative security |
D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) |
E = Expiration of short derivative position |
F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. |
G = Gift |
H = Expiration (or cancellation) of long derivative position with value received |
I = Discretionary transaction in accordance with Rule 16b-3(f) |
J = Other |
L = Small acquisition under Rule 16a-6 |
M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 |
O = Exercise of out-of-the-money derivative security |
P = Open market or private purchase |
S = Open market or private sale |
U = Disposition pursuant to a tender of shares in a change of control transaction |
W = Acquisition or disposition by will or the laws of descent and distribution |
X = Exercise of in-the-money or at-the-money derivative security |
Z = Deposit into or withdrawal from voting trust
Send to Excel
