GEOFF MCDONOUGH

Insider Reports History

Location
Cambridge, MA
Signature
/s/ Shawna-Gay White, Attorney-in-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by GEOFF MCDONOUGH:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Generation Bio Co. Director Stock Option (right to buy) 902K $2.32M $4.59 10 Jan 2025 Direct
Generation Bio Co. Director Common Stock 137K $756K $5.51 31 Oct 2025 Direct
Generation Bio Co. Director Common Stock 27.5K $176K $6.41 31 Oct 2025 By 2020 Trust
Generation Bio Co. Director Common Stock 22.6K $145K $6.41 31 Oct 2025 By 2018 Trust
Generation Bio Co. Director Restricted Stock Units 1.98K $13.6K $0.37 31 Oct 2025 Direct
Third Harmonic Bio, Inc. Director Stock Option (Right to Buy) 60K 27 Mar 2024 Direct
Surface Oncology, Inc. Director Stock Option (Right to Buy) 17.7K 08 Jun 2021 Direct

Insider Reports Filed by GEOFF MCDONOUGH

Symbol Company Period Transactions Value $ Form Type Role Filing Time
GBIO Generation Bio Co. 31 Oct 2025 3 -$1.61K 4 Director 21 Nov 2025, 17:00
GBIO Generation Bio Co. 15 Oct 2025 3 -$1.04K 4 PRESIDENT AND CEO, Director 17 Oct 2025, 16:05
GBIO Generation Bio Co. 15 Jul 2025 3 -$659 4 PRESIDENT AND CEO, Director 17 Jul 2025, 16:10
GBIO Generation Bio Co. 15 Apr 2025 3 -$569 4 PRESIDENT AND CEO, Director 17 Apr 2025, 16:05
GBIO Generation Bio Co. 15 Jan 2025 3 -$1.62K 4 PRESIDENT AND CEO, Director 17 Jan 2025, 16:05
GBIO Generation Bio Co. 10 Jan 2025 1 $0 4 PRESIDENT AND CEO, Director 14 Jan 2025, 16:05
GBIO Generation Bio Co. 15 Oct 2024 3 -$3.75K 4 PRESIDENT AND CEO, Director 17 Oct 2024, 16:05
GBIO Generation Bio Co. 15 Jul 2024 3 -$4.54K 4 PRESIDENT AND CEO, Director 17 Jul 2024, 16:05
GBIO Generation Bio Co. 15 Apr 2024 3 -$5.73K 4 PRESIDENT AND CEO, Director 17 Apr 2024, 17:10
THRD Third Harmonic Bio, Inc. 27 Mar 2024 1 $0 4 Director 28 Mar 2024, 16:10
THRD Third Harmonic Bio, Inc. 27 Mar 2024 0 $0 3 Director 28 Mar 2024, 16:08
GBIO Generation Bio Co. 15 Jan 2024 6 -$29.5K 4 PRESIDENT AND CEO, Director 17 Jan 2024, 17:00
GBIO Generation Bio Co. 02 Jan 2024 1 $0 4 PRESIDENT AND CEO, Director 03 Jan 2024, 16:35
GBIO Generation Bio Co. 01 Dec 2023 1 $0 4 PRESIDENT AND CEO, Director 05 Dec 2023, 16:30
GBIO Generation Bio Co. 15 Oct 2023 3 -$33.7K 4 PRESIDENT AND CEO, Director 17 Oct 2023, 18:00
GBIO Generation Bio Co. 15 Jul 2023 3 -$38K 4 PRESIDENT AND CEO, Director 18 Jul 2023, 16:35
GBIO Generation Bio Co. 15 Apr 2023 3 -$31K 4 PRESIDENT AND CEO, Director 18 Apr 2023, 16:16
GBIO Generation Bio Co. 20 Jan 2023 2 $0 4 PRESIDENT AND CEO, Director 24 Jan 2023, 15:19
GBIO Generation Bio Co. 15 Jan 2023 3 -$41.4K 4 PRESIDENT AND CEO, Director 18 Jan 2023, 15:54
GBIO Generation Bio Co. 15 Oct 2022 3 -$58.3K 4 PRESIDENT AND CEO, Director 18 Oct 2022, 16:38
GBIO Generation Bio Co. 15 Jul 2022 3 -$102K 4 PRESIDENT AND CEO, Director 19 Jul 2022, 16:22
GBIO Generation Bio Co. 21 Jan 2022 2 $0 4 PRESIDENT AND CEO, Director 25 Jan 2022, 15:05
SURF Surface Oncology, Inc. 08 Jun 2021 1 $0 4 Director 10 Jun 2021, 16:30