Chow Gregory K.

CIK: 0001761333CFO
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.

Total Transactions
13
Total Buy Value
$56K
Total Sell Value
$766K
Net Activity
$-710K
Last Transaction
Dec 2025
Companies
2

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

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