| 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 |
|---|---|---|---|---|---|---|---|---|---|
CFO | Executive VP &CFO | Senior VP &CFO
2 companies
Chow Gregory K. is an Executive VP &CFO at Aptose Biosciences Inc. with holdings across 2 companies. Recent SEC Form 4 filings include 4 buys and 1 sell.
Estimated insider holdings value: $1.2M based on current market prices.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 15, 2025 | STRO Sutro Biopharma, Inc. | CFO | Buy | 19,750 | $0.81 | $15,997.50 | New | +36.3% | - | |
| Jul 10, 2020 | APTOF Aptose Biosciences Inc. | Executive VP &CFO | Sell | 126,668 | $6.05 | $766,341.40 | -35.2% | - | - | |
| Jun 5, 2019 | APTOF Aptose Biosciences Inc. | Senior VP &CFO | Buy | 7,500 | $1.84 | $13,815.00 | +5.9% | - | - | |
| Mar 13, 2019 | APTOF Aptose Biosciences Inc. | Senior VP &CFO | Buy | 15,000 | $1.75 | $26,322.00 | +6.4% | - | - |