Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Q32 Bio Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Q32 Bio Inc. June 12, 202696.5%
-
Stoke Therapeutics Inc. June 3, 202587.4%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 10, 2026 | Stoke Therapeutics Inc. | Option exercise | +3,955 | $8.33 | $32,945 |
| Mar 10, 2026 | Stoke Therapeutics Inc. | Open-market sale | −4,355 | $40.00 | $174,200 |
| Mar 25, 2024 | Q32 Bio Inc. | Option exercise | +1,095 | — | — |
| Mar 25, 2024 | Q32 Bio Inc. | Open-market sale | −265 | $24.20 | $6,413 |
| Feb 13, 2024 | Stoke Therapeutics Inc. | Option exercise | +31,739 | $2.19 | $69,508 |
| Jan 9, 2024 | Q32 Bio Inc. | Open-market sale | −13,037 | $0.57 | $7,431 |
| Jan 1, 2024 | Q32 Bio Inc. | Option exercise | +14,280 | — | — |
| Jan 1, 2024 | Q32 Bio Inc. | Option exercise | +19,140 | — | — |
| Jan 9, 2023 | Q32 Bio Inc. | Open-market sale | −10,616 | $1.39 | $14,756 |
| Jan 1, 2023 | Q32 Bio Inc. | Option exercise | +13,860 | — | — |
| Jan 1, 2023 | Q32 Bio Inc. | Option exercise | +19,140 | — | — |
Questions about Arthur Tzianabos
What boards is Arthur Tzianabos on?
Arthur Tzianabos sits on the boards of Q32 Bio Inc. and Stoke Therapeutics Inc.
How long has Arthur Tzianabos served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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