DAVID S. GRAYZEL

Insider Reports History

Location
Cambridge, MA
Signature
/s/ Eric Bell, 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 DAVID S. GRAYZEL:

Company Role Class Num Shares Value Price $ Report Date Ownership
Aerovate Therapeutics, Inc. Director Common Stock 1,784,730 $50,240,150 $28.15 09 Apr 2024 By Atlas Venture Fund XII, L.P.
Aerovate Therapeutics, Inc. Director Common Stock 14,502 $408,231 $28.15 09 Apr 2024 By Atlas Venture Associates XII, L.P.
Aerovate Therapeutics, Inc. Director Stock Option (Right to Buy) 12,500 $204,625 $16.37 05 Jun 2024 Direct
Q32 Bio Inc. Director Stock Option (Right to Buy) 53,521 $34,476 $13.42 23 Oct 2025 Direct
Surface Oncology, Inc. Director Common Stock 0 $0.94 08 Sep 2023 Indirect

Insider Reports Filed by DAVID S. GRAYZEL

Symbol Company Period Transactions Value $ Form Type Role Filing Time
QTTB Q32 Bio Inc. 23 Oct 2025 1 $0 4 Director 27 Oct 2025, 21:17
QTTB Q32 Bio Inc. 15 Jan 2025 7 $0 4 Director 26 Feb 2025, 21:56
AVTE Aerovate Therapeutics, Inc. 05 Jun 2024 1 $0 4 Director 07 Jun 2024, 18:00
AVTE Aerovate Therapeutics, Inc. 09 Apr 2024 1 -$334,478 4 Director 11 Apr 2024, 18:00
QTTB Q32 Bio Inc. 01 Apr 2024 1 $34,475 4 Director 14 Aug 2024, 16:05
QTTB Homology Medicines, Inc. 25 Mar 2024 1 $0 4 Director 27 Mar 2024, 17:39
QTTB Homology Medicines, Inc. 25 Mar 2024 0 $0 3 Director 27 Mar 2024, 17:24
AVTE Aerovate Therapeutics, Inc. 02 Jan 2024 1 $42,979 4 Director 04 Jan 2024, 18:00
SURF Surface Oncology, Inc. 08 Sep 2023 1 $0 4 Director 08 Sep 2023, 16:00
AVTE Aerovate Therapeutics, Inc. 06 Jun 2023 1 $0 4 Director 08 Jun 2023, 18:00
AVTE Aerovate Therapeutics, Inc. 03 Jan 2023 1 $47,984 4 Director 05 Jan 2023, 16:00
AVTE Aerovate Therapeutics, Inc. 21 Jun 2022 1 $0 4 Director 22 Jun 2022, 17:00
SURF Surface Oncology, Inc. 08 Jun 2022 1 $0 4 Director 10 Jun 2022, 20:00
AVTE Aerovate Therapeutics, Inc. 03 Jan 2022 1 $47,999 4 Director 05 Jan 2022, 16:15
AVTE Aerovate Therapeutics, Inc. 01 Jul 2021 4 $7,523,995 4 Director 06 Jul 2021, 16:27
AVTE Aerovate Therapeutics, Inc. 29 Jun 2021 0 $0 3 Director 29 Jun 2021, 20:44
SURF Surface Oncology, Inc. 08 Jun 2021 1 $0 4 Director 10 Jun 2021, 16:30
AVTE Aerovate Therapeutics, Inc. 01 Feb 2021 3 $13,215,095 4 Director 01 Jul 2021, 18:32