Aptose Biosciences Inc. (APTO) — Insider Trading
Insider trading activity for Aptose Biosciences Inc. sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 72
- Last trade date: Jul 2, 2026
- Ticker: APTO
Top Insiders
- Rice William G. (Chair, President & CEO) — 13 trades, buy: $0, sell: $0
- Seizinger Bernd R. — 4 trades, buy: $0, sell: $0
- PLATZER ERICH — 11 trades, buy: $0, sell: $0
- Payne Fletcher — 5 trades, buy: $0, sell: $0
- Bejar Rafael — 7 trades, buy: $0, sell: $0
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Jun 30, 2026 | Seizinger Bernd R. | APTO Aptose Biosciences Inc. | OTHER | 50,000 | N/A |
| Jun 30, 2026 | Seizinger Bernd R. | APTO Aptose Biosciences Inc. | OTHER | 100,000 | N/A |
| Jun 30, 2026 | Seizinger Bernd R. | APTO Aptose Biosciences Inc. | OTHER | 3,333 | N/A |
| Jun 30, 2026 | Seizinger Bernd R. | APTO Aptose Biosciences Inc. | OTHER | 17,000 | $29K |
| Jun 30, 2026 | Bejar Rafael | APTO Aptose Biosciences Inc. | OTHER | 400,000 | N/A |
| Jun 30, 2026 | Bejar Rafael | APTO Aptose Biosciences Inc. | OTHER | 200,000 | N/A |
| Jun 30, 2026 | Bejar Rafael | APTO Aptose Biosciences Inc. | OTHER | 343,000 | N/A |
| Jun 30, 2026 | Bejar Rafael | APTO Aptose Biosciences Inc. | OTHER | 400,000 | N/A |
| Jun 30, 2026 | Bejar Rafael | APTO Aptose Biosciences Inc. | OTHER | 200,000 | N/A |
| Jun 30, 2026 | Bejar Rafael | APTO Aptose Biosciences Inc. | OTHER | 35,000 | N/A |
| Jun 30, 2026 | Bejar Rafael | APTO Aptose Biosciences Inc. | OTHER | 244 | $420 |
| Jun 30, 2026 | BURGER DENIS R | APTO Aptose Biosciences Inc. | OTHER | 10,000 | N/A |
| Jun 30, 2026 | BURGER DENIS R | APTO Aptose Biosciences Inc. | OTHER | 60,000 | N/A |
| Jun 30, 2026 | BURGER DENIS R | APTO Aptose Biosciences Inc. | OTHER | 5,000 | N/A |
| Jun 30, 2026 | BURGER DENIS R | APTO Aptose Biosciences Inc. | OTHER | 40,000 | N/A |
| Jun 30, 2026 | BURGER DENIS R | APTO Aptose Biosciences Inc. | OTHER | 160,334 | N/A |
| Jun 30, 2026 | BURGER DENIS R | APTO Aptose Biosciences Inc. | OTHER | 50,000 | N/A |
| Jun 30, 2026 | BURGER DENIS R | APTO Aptose Biosciences Inc. | OTHER | 50,000 | N/A |
| Jun 30, 2026 | BURGER DENIS R | APTO Aptose Biosciences Inc. | OTHER | 50,000 | N/A |
| Jun 30, 2026 | BURGER DENIS R | APTO Aptose Biosciences Inc. | OTHER | 100,000 | N/A |