Chow Gregory K.
CIK: 0001761333•CFO
Officer
Primary company: Aptose Biosciences Inc. (APTO)
Chow Gregory K. is a corporate insider (CFO) at Aptose Biosciences Inc. (APTO) filing SEC Form 4 transactions. 13 transactions across 2 companies, totaling $56,135 in purchases and $766,341 in sales. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Award | 8,200 | - | - | 8,200 | 12/23/2025 Filed: 12/29/2025 | Filing → | |
| Purchase | 19,750 | $0.81 | $16K | 19,750 | 10/15/2025 Filed: 10/16/2025 | Filing → | |
| Award | 100,000 | - | - | 100,000 | 6/2/2025 Filed: 6/2/2025 | Filing → | |
| Award | 275,000 | - | - | 275,000 | 6/2/2025 Filed: 6/2/2025 | Filing → | |
Aptose Biosciences Inc. APTO | Award | 343,000 | $0.00 | $0 | 343,000 | 1/4/2021 Filed: 1/6/2021 | Filing → |
Aptose Biosciences Inc. APTO | Sale | 126,668 | $6.05 | $766K | 232,846 | 7/10/2020 Filed: 7/10/2020 | Filing → |
Aptose Biosciences Inc. APTO | Award | 225,000 | $0.00 | $0 | 359,514 | 3/10/2020 Filed: 5/7/2020 | Filing → |
Aptose Biosciences Inc. APTO | Award | 225,000 | $0.00 | $0 | 359,514 | 3/10/2020 Filed: 3/12/2020 | Filing → |
Aptose Biosciences Inc. APTO | Award | 1,200,000 | $0.00 | $0 | 1,200,000 | 1/31/2020 Filed: 2/3/2020 | Filing → |
Aptose Biosciences Inc. APTO | Purchase | 7,500 | $1.84 | $14K | 134,514 | 6/5/2019 Filed: 6/7/2019 | Filing → |
Aptose Biosciences Inc. APTO | Purchase | 5,000 | $1.79 | $9K | 127,014 | 3/13/2019 Filed: 3/14/2019 | Filing → |
Aptose Biosciences Inc. APTO | Purchase | 10,000 | $1.74 | $17K | 122,014 | 3/13/2019 Filed: 3/14/2019 | Filing → |
Aptose Biosciences Inc. APTO | Award | 300,000 | $0.00 | $0 | 300,000 | 1/2/2019 Filed: 1/3/2019 | Filing → |
Type
Award
Shares
8,200
Price
-
Value
-
Type
Purchase
Shares
19,750
Price
$0.81
Value
$16K
Type
Award
Shares
100,000
Price
-
Value
-
Type
Award
Shares
275,000
Price
-
Value
-
Aptose Biosciences Inc.
APTO
Type
Award
Shares
343,000
Price
$0.00
Value
$0
Aptose Biosciences Inc.
APTO
Type
Sale
Shares
126,668
Price
$6.05
Value
$766K
Aptose Biosciences Inc.
APTO
Type
Award
Shares
225,000
Price
$0.00
Value
$0
Aptose Biosciences Inc.
APTO
Type
Award
Shares
225,000
Price
$0.00
Value
$0
Aptose Biosciences Inc.
APTO
Type
Award
Shares
1,200,000
Price
$0.00
Value
$0
Aptose Biosciences Inc.
APTO
Type
Purchase
Shares
7,500
Price
$1.84
Value
$14K
Aptose Biosciences Inc.
APTO
Type
Purchase
Shares
5,000
Price
$1.79
Value
$9K
Aptose Biosciences Inc.
APTO
Type
Purchase
Shares
10,000
Price
$1.74
Value
$17K
Aptose Biosciences Inc.
APTO
Type
Award
Shares
300,000
Price
$0.00
Value
$0
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