| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Interim Executive Chair | Director | President &CEO +1 more
3 companies
Tzianabos Arthur is an Interim Executive Chair at STOK, with reported holdings spanning 3 companies. Recent filings cover 2 purchases and 20 sales. Those positions are worth an estimated $1.2M at current prices.
Our model assigns Tzianabos Arthur a strong insider score of 77/100, based on 5 past trades. Over a 12-month horizon, 100.0% of those trades were profitable, with an average 12-month return of +69.7%.
Tzianabos Arthur's largest disclosed position is in STOK as Interim Executive Chair, worth about $1.0M. The recent filings there lean toward selling, a net 34,355 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 10, 2026 | STOK Stoke Therapeutics, Inc. | Interim Executive Chair | Sale+OE | 4,355 | $40.00 | $174,214.37 | -12.2% | -21.8% | - | |
| Mar 25, 2024 | Director | Sale+OE | 265 | $24.20 | $6,413.00 | -3.2% | -8.6% | -87.6% | ||
| Jan 9, 2024 | Director | Sale+OE | 13,037 | $0.57 | $7,445.43 | -9.2% | +80.7% | -72.4% | ||
| Jan 9, 2023 | Director | Sell | 10,616 | $1.39 | $14,761.55 | -8.9% | -40.0% | -60.1% | ||
| Jan 5, 2022 | President &CEO | Sale+OE | 5,354 | $3.78 | $20,239.19 | -5.9% | -20.2% | -58.7% | ||
| Feb 19, 2021 | STOK Stoke Therapeutics, Inc. | Director | Sale+OE | 10,000 | $60.67 | $606,652.00 | -100% | - | - | |
| Nov 23, 2020 | STOK Stoke Therapeutics, Inc. | Director | Sale+OE | 20,000 | $46.03 | $920,565.67 | -48.3% | - | - | |
| Feb 3, 2020 | President &CEO | Sell | 12,500 | $16.16 | $202,021.25 | -13.9% | - | - | ||
| Jan 2, 2020 | President &CEO | Sell | 12,500 | $20.50 | $256,191.25 | -12.2% | - | - | ||
| Dec 2, 2019 | President &CEO | Sell | 25,000 | $16.15 | $403,735.00 | -10.3% | - | - |