David S. Grayzel

Insider Reports History

Entity
Individual
Location
C/O Surface Oncology, 50 Hampshire St., 8 Th Floor, Cambridge, MA
Signature
/s/ Ommer Chohan, 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:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Aerovate Therapeutics, Inc. Director Common Stock 1.78M $50.2M $28.15 Apr 9, 2024 By Atlas Venture Fund XII, L.P.
Homology Medicines, Inc. Director Common Stock 864K $494K $0.57 Mar 25, 2024 By Atlas Venture Fund X, L.P.
Homology Medicines, Inc. Director Common Stock 725K $414K $0.57 Mar 25, 2024 By Atlas Venture Opportunity Fund II, L.P.
Aerovate Therapeutics, Inc. Director Common Stock 14.5K $408K $28.15 Apr 9, 2024 By Atlas Venture Associates XII, L.P.
Homology Medicines, Inc. Director Common Stock 503K $287K $0.57 Mar 25, 2024 By Atlas Venture Opportunity Fund I, L.P.
Aerovate Therapeutics, Inc. Director Stock Option (Right to Buy) 12.5K $205K $16.37 Jun 5, 2024 Direct
Q32 Bio Inc. Director Stock Option (Right to Buy) 2.57K $34.5K $13.42 Apr 1, 2024 Direct
Surface Oncology, Inc. Director Common Stock 0 $0.94 Sep 8, 2023 Indirect

Insider Reports Filed by David S. Grayzel

Symbol Company Period Transactions Value $ Form Type Date Filed Role
AVTE Aerovate Therapeutics, Inc. Jun 5, 2024 1 $0 4 Jun 7, 2024 Director
AVTE Aerovate Therapeutics, Inc. Apr 9, 2024 1 -$334K 4 Apr 11, 2024 Director
QTTB Q32 Bio Inc. Apr 1, 2024 1 $34.5K 4 Aug 14, 2024 Director
QTTB Homology Medicines, Inc. Mar 25, 2024 1 $0 4 Mar 27, 2024 Director
QTTB Homology Medicines, Inc. Mar 25, 2024 0 $0 3 Mar 27, 2024 Director
AVTE Aerovate Therapeutics, Inc. Jan 2, 2024 1 $43K 4 Jan 4, 2024 Director
SURF Surface Oncology, Inc. Sep 8, 2023 1 $0 4 Sep 8, 2023 Director
AVTE Aerovate Therapeutics, Inc. Jun 6, 2023 1 $0 4 Jun 8, 2023 Director
AVTE Aerovate Therapeutics, Inc. Jan 3, 2023 1 $48K 4 Jan 5, 2023 Director
AVTE Aerovate Therapeutics, Inc. Jun 21, 2022 1 $0 4 Jun 22, 2022 Director
SURF Surface Oncology, Inc. Jun 8, 2022 1 $0 4 Jun 10, 2022 Director
AVTE Aerovate Therapeutics, Inc. Jan 3, 2022 1 $48K 4 Jan 5, 2022 Director
AVTE Aerovate Therapeutics, Inc. Jul 1, 2021 4 $7.52M 4 Jul 6, 2021 Director
AVTE Aerovate Therapeutics, Inc. Jun 29, 2021 0 $0 3 Jun 29, 2021 Director
SURF Surface Oncology, Inc. Jun 8, 2021 1 $0 4 Jun 10, 2021 Director
AVTE Aerovate Therapeutics, Inc. Feb 1, 2021 3 $13.2M 4 Jul 1, 2021 Director