Form4insider filings, from the source

Insider · CIK 0001275087

Erich Platzer

Files at: APTOF. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 30, 2026 DForm 4 →Jul 1, 4:55 pm EDTAptose Biosciences Inc.APTO1,122$1.72$1,9300—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 30, 2026 DForm 4 →Jul 1, 4:55 pm EDTAptose Biosciences Inc.APTO503,333——0—
Jan 2, 2019 AForm 4 →Jan 3, 8:09 pm ESTAptose Biosciences Inc.APTO40,000——40,000—