TZIANABOS ARTHUR

CIK 00015862265 companiesCAMBRIDGE, MA

SEC Profile

Transactions

Companies

Filings

CIK

0001586226

Recent Transactions

50 trades

Award
Q32 Bio Inc.$QTTB
Stock Option (Right to Buy)
2025-10-23+53,521→ 53,521 total
Award
Stoke Therapeutics, Inc.$STOK
Stock Option (Right to Buy)
2025-03-20+122,651→ 122,651 total
Disposition to Issuer
Q32 Bio Inc.$QTTB
Stock Option (Right to Buy)
2025-02-24−25,674→ 0 total
Award
Q32 Bio Inc.$QTTB
Stock Option (Right to Buy)
2025-02-24+25,674→ 25,674 total
Disposition to Issuer
Q32 Bio Inc.$QTTB
Stock Option (Right to Buy)
2025-02-24−12,767→ 0 total
Award
Q32 Bio Inc.$QTTB
Stock Option (Right to Buy)
2025-02-24+12,767→ 12,767 total
Award
Stoke Therapeutics, Inc.$STOK
Director Stock Option (Right to Buy)
2024-06-05+7,639→ 7,639 total
Exercise/Conversion
Q32 Bio Inc.$QTTB
Restricted Stock Units
2024-03-25−1,095→ 0 total
Award
Q32 Bio Inc.$QTTB
Stock Option (Right to Buy)
2024-03-25+12,767→ 12,767 total
Exercise/Conversion
Q32 Bio Inc.$QTTB
Common Stock
2024-03-25+1,095→ 8,248 total
Sale
Q32 Bio Inc.$QTTB
Common Stock
2024-03-25$24.20/sh−265→ 7,983 total
Exercise/Conversion
Stoke Therapeutics, Inc.$STOK
Stock Option (Right to Buy)
2024-02-13−31,739→ 0 total
Exercise/Conversion
Stoke Therapeutics, Inc.$STOK
Common Stock
2024-02-13$2.19/sh+31,739→ 31,739 total
Sale
Q32 Bio Inc.$QTTB
Common Stock
2024-01-09$0.57/sh−13,037→ 128,778 total
Exercise/Conversion
Q32 Bio Inc.$QTTB
Restricted Stock Units
2024-01-01−14,280→ 0 total
Exercise/Conversion
Q32 Bio Inc.$QTTB
Common Stock
2024-01-01+14,280→ 122,675 total
Exercise/Conversion
Q32 Bio Inc.$QTTB
Common Stock
2024-01-01+19,140→ 141,815 total
Exercise/Conversion
Q32 Bio Inc.$QTTB
Restricted Stock Units
2024-01-01−19,140→ 19,720 total
Award
Q32 Bio Inc.$QTTB
Option (Right to Buy)
2023-06-14+23,000→ 23,000 total
Award
Stoke Therapeutics, Inc.$STOK
Director Stock Option (Right to Buy)
2023-06-13+19,441→ 19,441 total
Sale
Q32 Bio Inc.$QTTB
Common Stock
2023-01-09$1.39/sh−10,616→ 108,395 total
Exercise/Conversion
Q32 Bio Inc.$QTTB
Restricted Stock Units
2023-01-01−19,140→ 38,860 total
Exercise/Conversion
Q32 Bio Inc.$QTTB
Common Stock
2023-01-01+13,860→ 99,871 total
Exercise/Conversion
Q32 Bio Inc.$QTTB
Common Stock
2023-01-01+19,140→ 119,011 total
Exercise/Conversion
Q32 Bio Inc.$QTTB
Restricted Stock Units
2023-01-01−13,860→ 14,280 total
Disposition to Issuer
Akouos, Inc.
Stock Option (right to buy)
2022-12-01−16,000→ 0 total
Disposition to Issuer
Akouos, Inc.
Stock Option (right to buy)
2022-12-01−12,100→ 0 total
Disposition from Tender
Akouos, Inc.
Common Stock
2022-11-30−26,930→ 0 total
Award
Akouos, Inc.
Stock Option (right to buy)
2022-06-23+16,000→ 16,000 total
Award
Stoke Therapeutics, Inc.$STOK
Director Stock Option (Right to Buy)
2022-06-07+21,000→ 21,000 total
Award
Q32 Bio Inc.$QTTB
Employee Stock Option (Right to Buy)
2022-02-24+350,000→ 350,000 total
Award
Q32 Bio Inc.$QTTB
Restricted Stock Units
2022-02-24+58,000→ 58,000 total
Sale
Q32 Bio Inc.$QTTB
Common Stock
2022-01-05$3.78/sh−5,354→ 86,011 total
Exercise/Conversion
Q32 Bio Inc.$QTTB
Common Stock
2022-01-01+13,860→ 91,365 total
Exercise/Conversion
Q32 Bio Inc.$QTTB
Restricted Stock Units
2022-01-01−13,860→ 28,140 total
Award
Akouos, Inc.
Stock Option (right to buy)
2021-06-24+16,000→ 16,000 total
Award
Stoke Therapeutics, Inc.$STOK
Director Stock Option (Right to Buy)
2021-06-08+11,650→ 11,650 total
Sale
Stoke Therapeutics, Inc.$STOK
Common Stock
2021-02-19$60.67/sh−10,000→ 0 total
Exercise/Conversion
Stoke Therapeutics, Inc.$STOK
Director Stock Option (Right to Buy)
2021-02-19−10,000→ 13,447 total
Exercise/Conversion
Stoke Therapeutics, Inc.$STOK
Common Stock
2021-02-19$2.19/sh+10,000→ 10,000 total
Award
Q32 Bio Inc.$QTTB
Restricted Stock Units
2021-02-05+42,000→ 42,000 total
Award
Q32 Bio Inc.$QTTB
Employee Stock Option (Right to Buy)
2021-02-05+254,000→ 254,000 total
Exercise/Conversion
Stoke Therapeutics, Inc.$STOK
Common Stock
2020-11-23$2.19/sh+20,000→ 20,000 total
Sale
Stoke Therapeutics, Inc.$STOK
Common Stock
2020-11-23$45.97/sh−10,196→ 5,504 total
Sale
Stoke Therapeutics, Inc.$STOK
Common Stock
2020-11-23$45.08/sh−4,300→ 15,700 total
Sale
Stoke Therapeutics, Inc.$STOK
Common Stock
2020-11-23$46.85/sh−5,294→ 210 total
Sale
Stoke Therapeutics, Inc.$STOK
Common Stock
2020-11-23$47.61/sh−210→ 0 total
Exercise/Conversion
Stoke Therapeutics, Inc.$STOK
Director Stock Option (Right to Buy)
2020-11-23−20,000→ 23,447 total
Award
Stoke Therapeutics, Inc.$STOK
Director Stock Option (Right to Buy)
2020-06-03+14,777→ 14,777 total
Sale
Q32 Bio Inc.$QTTB
Common Stock
2020-02-03$16.16/sh−12,500→ 77,505 total

Companies

Recent Filings

Address

C/O OVASCIENCE, INC., 215 FIRST STREET, SUITE 240

CAMBRIDGE, MA, 02142

View on SEC.gov