Login

Aptose Biosciences Inc. 4 SEC Filings

Filed On Filing
02 Jul 2026 Form 4: Seizinger Bernd R., FORMER DIRECTOR

Returned 17,000 shares to the issuer ($29.2K) · Disposed of 3,333 Director Stock Option (Right to Buy) (Disposition to Issuer) · Disposed of 150,000 Stock Option (right to buy) (Disposition to Issuer)

01 Jul 2026 Form 4: Whitehead Warren, FORMER DIRECTOR

Returned 33 shares to the issuer ($56.8) · Disposed of 106,333 Director Stock Option (Right to Buy) (Disposition to Issuer) · Disposed of 402,500 Director Option Grant (Disposition to Issuer) · 1 more

01 Jul 2026 Form 4: Vincent Mark D., FORMER DIRECTOR

Returned 14 shares to the issuer ($24.1) · Disposed of 278,333 Director Stock Option (Right to Buy) (Disposition to Issuer) · Disposed of 204,000 Director Option Grant (Disposition to Issuer) · 1 more

01 Jul 2026 Form 4: Rice William G., Director

Returned 613,252 shares to the issuer ($1.05M) · Disposed of 813,000 Employee Stock Option ("Right to Buy") (Disposition to Issuer) · Disposed of 50,000 Warrants (Disposition to Issuer) · 5 more

01 Jul 2026 Form 4: Platzer Erich, FORMER DIRECTOR

Returned 1,122 shares to the issuer ($1.93K) · Disposed of 268,333 Director Stock Option (Right to Buy) (Disposition to Issuer) · Disposed of 185,000 Director Option Grant (Disposition to Issuer) · 2 more

01 Jul 2026 Form 4: Payne Fletcher, FORMER SVP AND CFO

Returned 244 shares to the issuer ($420) · Disposed of 255,000 Employee Stock Option (Right to Buy) (Disposition to Issuer) · Disposed of 1,000,000 Common Stock (Option) (Disposition to Issuer)

01 Jul 2026 Form 4: Burger Denis R, FORMER DIRECTOR

Returned 70 shares to the issuer ($120) · Disposed of 488,667 Director Stock Option (Right to Buy) (Disposition to Issuer) · Disposed of 40,000 Stock Options (Right to Buy) (Disposition to Issuer)

01 Jul 2026 Form 4: Bejar Rafael, Former SVP&Ch Medical Officer

Returned 244 shares to the issuer ($420) · Disposed of 778,000 Employee Stock Option (Right to Buy) (Disposition to Issuer) · Disposed of 200,000 Employee Stock Option (Disposition to Issuer) · 2 more

26 Nov 2024 Form 4: Rice William G., Director

Bought 100,000 shares ($20K) · Acquired 50,000 Warrants (Open Market Purchase)

10 May 2024 Form 4: Ledru Philippe, Former Officer
07 Feb 2024 Form 4: Payne Fletcher, Sr VP and CFO

Granted 55,000 Employee Stock Option (Right to Buy)

07 Feb 2024 Form 4: Bejar Rafael, Sr VP & Chief Medical Officer

Granted 35,000 Employee Stock Option (Right to Buy)

07 Feb 2024 Form 4: Ledru Philippe, Sr VP & Ch Commerical Officer

Granted 11,000 Employee Stock Option (Right to Buy)

07 Feb 2024 Form 4: Rice William G., Director

Granted 70,000 Employee Stock Option (Right to Buy)

07 Feb 2024 Form 4: Seizinger Bernd R., Director

Granted 3,333 Director Stock Option (Right to Buy)

07 Feb 2024 Form 4: Platzer Erich, Director

Granted 3,333 Director Stock Option (Right to Buy)

07 Feb 2024 Form 4: Vincent Mark D., Director

Granted 3,333 Director Stock Option (Right to Buy)

07 Feb 2024 Form 4: Ashe Carol Gail, Director

Granted 3,333 Director Stock Option (Right to Buy)

07 Feb 2024 Form 4: Burger Denis R, Director

Granted 3,333 Director Stock Option (Right to Buy)

07 Feb 2024 Form 4: Whitehead Warren, Director

Granted 3,333 Director Stock Options (Right to Buy)

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support