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Aptose Biosciences Inc.

APTO
Transactions reported in official disclosures

72 trades

Reporting person Filed Transaction Transaction value Source
Rice William G. Chair, President & CEO Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Platzer Erich Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Bejar Rafael Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Bejar Rafael Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $419.68 Filed shares x price SEC Form 4 View filing
Rice William G. Chair, President & CEO Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Payne Fletcher Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Bejar Rafael Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Rice William G. Chair, President & CEO Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Bejar Rafael Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Platzer Erich Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Platzer Erich Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Payne Fletcher Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $37.84 Filed shares x price SEC Form 4 View filing
Rice William G. Chair, President & CEO Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Platzer Erich Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Rice William G. Chair, President & CEO Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Platzer Erich Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Burger Denis R Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Bejar Rafael Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Burger Denis R Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Burger Denis R Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Rice William G. Chair, President & CEO Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Whitehead Warren Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Whitehead Warren Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Whitehead Warren Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Whitehead Warren Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Whitehead Warren Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Whitehead Warren Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Whitehead Warren Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Whitehead Warren Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $0 Filed shares x price SEC Form 4 View filing
Whitehead Warren Other Jul 1, 2026 1-day lag Disposition Jun 30, 2026 $56.76 Filed shares x price SEC Form 4 View filing
Rice William G. Chair, President & CEO
Disposition
Calculated transaction value
$0 2,000,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Platzer Erich Other
Disposition
Calculated transaction value
$0 3,333 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Bejar Rafael Other
Disposition
Calculated transaction value
$0 400,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Bejar Rafael Other
Disposition
Calculated transaction value
$419.68 244 shares @ $1.72
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Rice William G. Chair, President & CEO
Disposition
Calculated transaction value
$0 70,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Payne Fletcher Other
Disposition
Calculated transaction value
$0 200,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Bejar Rafael Other
Disposition
Calculated transaction value
$0 343,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Rice William G. Chair, President & CEO
Disposition
Calculated transaction value
$0 700,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Bejar Rafael Other
Disposition
Calculated transaction value
$0 35,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Platzer Erich Other
Disposition
Calculated transaction value
$0 40,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Platzer Erich Other
Disposition
Calculated transaction value
$0 50,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Payne Fletcher Other
Disposition
Calculated transaction value
$37.84 22 shares @ $1.72
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Rice William G. Chair, President & CEO
Disposition
Calculated transaction value
$0 300,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Platzer Erich Other
Disposition
Calculated transaction value
$0 60,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Rice William G. Chair, President & CEO
Disposition
Calculated transaction value
$0 400,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Platzer Erich Other
Disposition
Calculated transaction value
$0 5,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Burger Denis R Other
Disposition
Calculated transaction value
$0 50,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Bejar Rafael Other
Disposition
Calculated transaction value
$0 200,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Burger Denis R Other
Disposition
Calculated transaction value
$0 60,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Burger Denis R Other
Disposition
Calculated transaction value
$0 160,334 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Rice William G. Chair, President & CEO
Disposition
Calculated transaction value
$0 343,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Whitehead Warren Other
Disposition
Calculated transaction value
$0 53,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Whitehead Warren Other
Disposition
Calculated transaction value
$0 50,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Whitehead Warren Other
Disposition
Calculated transaction value
$0 50,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Whitehead Warren Other
Disposition
Calculated transaction value
$0 50,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Whitehead Warren Other
Disposition
Calculated transaction value
$0 3,333 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Whitehead Warren Other
Disposition
Calculated transaction value
$0 40,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Whitehead Warren Other
Disposition
Calculated transaction value
$0 100,000 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Whitehead Warren Other
Disposition
Calculated transaction value
$0 152,500 shares @ $0
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details
Whitehead Warren Other
Disposition
Calculated transaction value
$56.76 33 shares @ $1.72
Traded
Jun 30, 2026
Filed
Jul 1, 2026
SEC Form 4
View filing Trade details

Showing 31 to 60 of 72 entries