Is Aptose Biosciences Inc. (APTO) a Buy, Sell, or Hold?
NASDAQ : APTO
Aptose Biosciences Inc. — Insider Trades
$1.71 USD
$1.71 (0%)
- Volume
- 648.21K
- Average Volume
- 223.28K
- Market Capitalization
- $4.36M
- P/E Ratio
- -0.16
- Dividend Yield
- 0.00%
- Price Target
- Year High
- $43.19
- Year Low
- $1.10
- Day High
- —
- Day Low
- —
- Payout Ratio
- $0.00
- Current Ratio
- $0.55
Insider Activity Summary (Last 12 Months)
Insiders Buying
2
Insiders Selling
71
Amount of Insider Selling
$11.13M
APTO Insider Buying/Selling by Quarter
APTO Insider Trading History
| Insider Name | Title | Date | Transaction | Cost | Filing Date |
|---|---|---|---|---|---|
| Seizinger Bernd R. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.72 | 2026-07-02 |
| Seizinger Bernd R. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 2 | 2026-07-02 |
| Seizinger Bernd R. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 0.66 | 2026-07-02 |
| Seizinger Bernd R. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 0.74 | 2026-07-02 |
| Whitehead Warren | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.72 | 2026-07-01 |
| Whitehead Warren | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.97 | 2026-07-01 |
| Whitehead Warren | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 0.66 | 2026-07-01 |
| Whitehead Warren | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.39 | 2026-07-01 |
| Whitehead Warren | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 4.38 | 2026-07-01 |
| Whitehead Warren | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 5.15 | 2026-07-01 |
| Whitehead Warren | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 6.91 | 2026-07-01 |
| Whitehead Warren | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.91 | 2026-07-01 |
| Whitehead Warren | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 3.52 | 2026-07-01 |
| Vincent Mark D. | other: FORMER DIRECTOR | 2026-06-13 | D-Return | 1.72 | 2026-07-01 |
| Vincent Mark D. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.97 | 2026-07-01 |
| Vincent Mark D. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 0.66 | 2026-07-01 |
| Vincent Mark D. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.39 | 2026-07-01 |
| Vincent Mark D. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 5.15 | 2026-07-01 |
| Vincent Mark D. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 6.91 | 2026-07-01 |
| Vincent Mark D. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.91 | 2026-07-01 |
| Vincent Mark D. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.14 | 2026-07-01 |
| Vincent Mark D. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.03 | 2026-07-01 |
| Vincent Mark D. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 2.64 | 2026-07-01 |
| Vincent Mark D. | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 4.38 | 2026-07-01 |
| Rice William G. | director, officer: Chair, President & CEO | 2026-06-30 | D-Return | 1.91 | 2026-07-01 |
| Rice William G. | director, officer: Chair, President & CEO | 2026-06-30 | D-Return | 1.14 | 2026-07-01 |
| Rice William G. | director, officer: Chair, President & CEO | 2026-06-30 | D-Return | 1.72 | 2026-07-01 |
| Rice William G. | director, officer: Chair, President & CEO | 2026-06-30 | D-Return | 2 | 2026-07-01 |
| Rice William G. | director, officer: Chair, President & CEO | 2026-06-30 | D-Return | 0.25 | 2026-07-01 |
| Rice William G. | director, officer: Chair, President & CEO | 2026-06-30 | D-Return | 0.66 | 2026-07-01 |
| Rice William G. | director, officer: Chair, President & CEO | 2026-06-30 | D-Return | 0.81 | 2026-07-01 |
| Rice William G. | director, officer: Chair, President & CEO | 2026-06-30 | D-Return | 1.34 | 2026-07-01 |
| Rice William G. | director, officer: Chair, President & CEO | 2026-06-30 | D-Return | 4.37 | 2026-07-01 |
| Rice William G. | director, officer: Chair, President & CEO | 2026-06-30 | D-Return | 6.91 | 2026-07-01 |
| Rice William G. | director, officer: Chair, President & CEO | 2026-06-30 | D-Return | 1.03 | 2026-07-01 |
| Rice William G. | director, officer: Chair, President & CEO | 2026-06-30 | D-Return | 2.8 | 2026-07-01 |
| Rice William G. | director, officer: Chair, President & CEO | 2026-06-30 | D-Return | 3.07 | 2026-07-01 |
| PLATZER ERICH | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.72 | 2026-07-01 |
| PLATZER ERICH | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 2 | 2026-07-01 |
| PLATZER ERICH | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 0.66 | 2026-07-01 |
| PLATZER ERICH | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.34 | 2026-07-01 |
| PLATZER ERICH | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 4.37 | 2026-07-01 |
| PLATZER ERICH | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 7.08 | 2026-07-01 |
| PLATZER ERICH | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 6.91 | 2026-07-01 |
| PLATZER ERICH | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.91 | 2026-07-01 |
| PLATZER ERICH | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.14 | 2026-07-01 |
| PLATZER ERICH | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.03 | 2026-07-01 |
| PLATZER ERICH | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 2.8 | 2026-07-01 |
| Payne Fletcher | other: FORMER SVP AND CFO | 2026-06-30 | D-Return | 1.72 | 2026-07-01 |
| Payne Fletcher | other: FORMER SVP AND CFO | 2026-06-30 | D-Return | 2 | 2026-07-01 |
| Payne Fletcher | other: FORMER SVP AND CFO | 2026-06-30 | D-Return | 0.66 | 2026-07-01 |
| Payne Fletcher | other: FORMER SVP AND CFO | 2026-06-30 | D-Return | 0.8479 | 2026-07-01 |
| BURGER DENIS R | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.72 | 2026-07-01 |
| BURGER DENIS R | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 2 | 2026-07-01 |
| BURGER DENIS R | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 0.66 | 2026-07-01 |
| BURGER DENIS R | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.34 | 2026-07-01 |
| BURGER DENIS R | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 4.37 | 2026-07-01 |
| BURGER DENIS R | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 5.15 | 2026-07-01 |
| BURGER DENIS R | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 6.91 | 2026-07-01 |
| BURGER DENIS R | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.91 | 2026-07-01 |
| BURGER DENIS R | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.03 | 2026-07-01 |
| BURGER DENIS R | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 2.8 | 2026-07-01 |
| BURGER DENIS R | other: FORMER DIRECTOR | 2026-06-30 | D-Return | 1.14 | 2026-07-01 |
| Bejar Rafael | other: Former SVP&Ch Medical Officer | 2026-06-30 | D-Return | 1.72 | 2026-07-01 |
| Bejar Rafael | other: Former SVP&Ch Medical Officer | 2026-06-30 | D-Return | 2 | 2026-07-01 |
| Bejar Rafael | other: Former SVP&Ch Medical Officer | 2026-06-30 | D-Return | 0.66 | 2026-07-01 |
| Bejar Rafael | other: Former SVP&Ch Medical Officer | 2026-06-30 | D-Return | 2.35 | 2026-07-01 |
| Bejar Rafael | other: Former SVP&Ch Medical Officer | 2026-06-30 | D-Return | 4.37 | 2026-07-01 |
| Bejar Rafael | other: Former SVP&Ch Medical Officer | 2026-06-30 | D-Return | 6.91 | 2026-07-01 |
| Bejar Rafael | other: Former SVP&Ch Medical Officer | 2026-06-30 | D-Return | 5.67 | 2026-07-01 |
| Hanmi Pharmaceutical Co., Ltd. | 10 percent owner | 2025-03-18 | 0 | 2025-03-20 | |
| Hanmi Pharmaceutical Co., Ltd. | 10 percent owner | 2024-01-31 | 51.3 | 2025-03-20 | |
| Rice William G. | director, officer: Chair, President & CEO | 2024-11-25 | P-Purchase | 0.2 | 2024-11-26 |
| Rice William G. | director, officer: Chair, President & CEO | 2024-11-25 | P-Purchase | 0.25 | 2024-11-26 |
| LEDRU PHILIPPE | 2024-02-23 | 0 | 2024-05-10 | ||
| Payne Fletcher | officer: Sr VP and CFO | 2024-02-05 | A-Award | 2 | 2024-02-07 |
| Bejar Rafael | officer: Sr VP & Chief Medical Officer | 2024-02-05 | A-Award | 2 | 2024-02-07 |
| LEDRU PHILIPPE | officer: Sr VP & Ch Commerical Officer | 2024-02-05 | A-Award | 2 | 2024-02-07 |
| Rice William G. | director, officer: Chair, President & CEO | 2024-02-05 | A-Award | 2 | 2024-02-07 |
| Seizinger Bernd R. | director | 2024-02-05 | A-Award | 2 | 2024-02-07 |
| PLATZER ERICH | director | 2024-02-05 | A-Award | 2 | 2024-02-07 |
| Vincent Mark D. | director | 2024-02-05 | A-Award | 1.97 | 2024-02-07 |
| Ashe Carol Gail | director | 2024-02-05 | A-Award | 2 | 2024-02-07 |
| BURGER DENIS R | director | 2024-02-05 | A-Award | 2 | 2024-02-07 |
| Whitehead Warren | director | 2024-02-05 | A-Award | 1.97 | 2024-02-07 |
| Seizinger Bernd R. | director | 2023-09-22 | P-Purchase | 3.14 | 2023-09-25 |
| Whitehead Warren | director | 2023-01-19 | A-Award | 0 | 2023-01-23 |
| Vincent Mark D. | director | 2023-01-19 | A-Award | 0 | 2023-01-23 |
| Seizinger Bernd R. | director | 2023-01-19 | A-Award | 0 | 2023-01-23 |
| Rice William G. | officer: Chair, President & CEO | 2023-01-19 | A-Award | 0 | 2023-01-23 |
| Rice William G. | officer: Chair, President & CEO | 2023-01-19 | A-Award | 0 | 2023-01-23 |
| PLATZER ERICH | director | 2023-01-19 | A-Award | 0 | 2023-01-23 |
| Payne Fletcher | officer: SR VP & Chief Fin. Officer | 2023-01-19 | A-Award | 0 | 2023-01-23 |
| Payne Fletcher | officer: SR VP & Chief Fin. Officer | 2023-01-19 | A-Award | 0 | 2023-01-23 |
| LEDRU PHILIPPE | officer: Chief Commercial Officer | 2023-01-19 | A-Award | 0 | 2023-01-23 |
| LEDRU PHILIPPE | officer: Chief Commercial Officer | 2023-01-19 | A-Award | 0 | 2023-01-23 |
| BURGER DENIS R | director | 2023-01-19 | A-Award | 0 | 2023-01-23 |
| Ashe Carol Gail | director | 2023-01-19 | A-Award | 0 | 2023-01-23 |
| Bejar Rafael | officer: Sr. VP, Chief Medical Officer | 2023-01-19 | A-Award | 0 | 2023-01-23 |
| Bejar Rafael | officer: Sr. VP, Chief Medical Officer | 2023-01-19 | A-Award | 0 | 2023-01-23 |