APTO insider trading

Aptose Biosciences Inc. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades
136
Last 90 days
72
Buys / sells
21% / 11%
Market cap

APTO insider activity at a glance

FilingIQ has scored 136 insider transactions for APTO since Mar 13, 2019. The most recent filing in our index is dated Jun 30, 2026.

Across the full history, 28 open-market purchases and 15 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on APTO insider trades is 59.9/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

Frequently asked

How many insider trades does FilingIQ track for APTO?
FilingIQ tracks 136 Form 4 insider transactions for APTO (Aptose Biosciences Inc.), covering filings from Mar 13, 2019 onwards. 72 of those were filed in the last 90 days.
Are APTO insiders net buyers or net sellers?
Across the full Form 4 history for APTO, 28 transactions (21%) were open-market purchases and 15 (11%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does APTO insider data come from?
Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

Methodology & sources

Every APTO insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.