ARTHUR TZIANABOS

Insider Reports History

Location
Bedford, 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 ARTHUR TZIANABOS:

Company Role Class Num Shares Value Price $ Report Date Ownership
Q32 Bio Inc. Director Stock Option (Right to Buy) 53,521 $171,333 $13.42 23 Oct 2025 Direct
Stoke Therapeutics, Inc. Interim Executive Chair, Director Stock Option (Right to Buy) 122,651 20 Mar 2025 Direct
Stoke Therapeutics, Inc. Interim Executive Chair, Director Director Stock Option (Right to Buy) 7,639 05 Jun 2024 Direct
Akouos, Inc. Director Common Stock 0 $12.50 30 Nov 2022 Direct
Akouos, Inc. Director Stock Option (right to buy) 0 01 Dec 2022 Direct

Insider Reports Filed by ARTHUR TZIANABOS

Symbol Company Period Transactions Value $ Form Type Role Filing Time
QTTB Q32 Bio Inc. 23 Oct 2025 1 $0 4 Director 27 Oct 2025, 21:16
STOK Stoke Therapeutics, Inc. 20 Mar 2025 1 $0 4 Interim Executive Chair, Director 20 Mar 2025, 18:18
QTTB Q32 Bio Inc. 24 Feb 2025 4 $0 4 Director 27 Feb 2025, 06:01
STOK Stoke Therapeutics, Inc. 05 Jun 2024 1 $0 4 Director 07 Jun 2024, 16:19
QTTB Q32 Bio Inc. 25 Mar 2024 3 -$6,413 4 Director 14 Aug 2024, 16:05
QTTB Homology Medicines, Inc. 25 Mar 2024 1 $0 4 Director 27 Mar 2024, 17:43
STOK Stoke Therapeutics, Inc. 13 Feb 2024 2 +$69,508 4 Director 15 Feb 2024, 16:17
QTTB Homology Medicines, Inc. 01 Jan 2024 5 -$7,445 4 Director 15 Feb 2024, 16:33
QTTB Homology Medicines, Inc. 14 Jun 2023 1 $0 4 Director 15 Jun 2023, 18:14
STOK Stoke Therapeutics, Inc. 13 Jun 2023 1 $0 4 Director 15 Jun 2023, 18:26
QTTB Homology Medicines, Inc. 09 Jan 2023 1 -$14,762 4 Director 11 Jan 2023, 15:05
QTTB Homology Medicines, Inc. 01 Jan 2023 4 $0 4 Director 04 Jan 2023, 15:36
/report/000110465922124141-tzianabos-arthur-2022-11-30 Akouos, Inc. 30 Nov 2022 3 $0 4 Director 02 Dec 2022, 15:51
/report/000110465922074830-tzianabos-arthur-2022-06-23 Akouos, Inc. 23 Jun 2022 1 $0 4 Director 27 Jun 2022, 17:04
STOK Stoke Therapeutics, Inc. 07 Jun 2022 1 $0 4 Director 08 Jun 2022, 17:00
QTTB Homology Medicines, Inc. 24 Feb 2022 2 $0 4 President & CEO, Director 28 Feb 2022, 15:05
QTTB Homology Medicines, Inc. 01 Jan 2022 3 -$20,239 4 President & CEO, Director 12 Jan 2022, 15:05
/report/000110465921085755-tzianabos-arthur-2021-06-24 Akouos, Inc. 24 Jun 2021 1 $0 4 Director 25 Jun 2021, 16:34
STOK Stoke Therapeutics, Inc. 08 Jun 2021 1 $0 4 Director 25 Jun 2021, 17:04