Companies: 10,795·Total market cap: $144.5T
Aptose Biosciences Inc.

Aptose Biosciences Inc.

APTONASDAQHealthcare
$1.71
+$1.71(+100.00%)
Market Cap$4364655
P/E Ratio
52W High$43.191
52W Low$1.1

Aptose Biosciences Inc. (APTO) Stock Splits

Forward and reverse split history, cumulative multiple, latest ratio, and share calculator on this tab.

FMP · APTO · as of Feb 10, 2026

Key split metrics

Total Splits4Since IPO (Mar 16, 1992)
Most Recent SplitFeb 26, 2025Reverse · 1-for-30
Cumulative Multiple×0.00001 share (1992) → 0.0000 shares today

Latest Split Event

Reverse Split
Feb 26, 2025
BEFORE SPLIT$0.1100Closing price · Feb 25, 2025
1-for-30
AFTER SPLIT$3.31Opening price · Feb 26, 2025
Every 30 shares were consolidated into 1 share.·Total market cap unchanged.·Source: FMP · Historical EOD

Stock Split History

APTO · 4 records
DateRatioTypeMultipleCumulative
Feb 26, 20251-for-30Reverse×0.033×0.00e+0
Jun 6, 20231-for-15Reverse×0.067×0.000200
Oct 6, 20141-for-12Reverse×0.083×0.003
Jun 1, 20101-for-30Reverse×0.033×0.033
4 splits since IPO · Mar 16, 1992Data: Financial Modeling Prep · Updated daily

Stock Split Calculator

If you bought 100 shares purchased of APTO on Jan 1, 2020 — how many shares would you hold today after all splits?

ORIGINAL SHARES100
SHARES TODAY0.2222
Splits Applied2
Total Multiplier×0.00
Split Period2023–2025
Splits applied:Jun 6, 2023 · 1-for-15Feb 26, 2025 · 1-for-30
Based on purchase date Jan 1, 2020Share count only · excludes price / dividendsSource: FMP

This calculator shows how stock splits affected share count only. It does not reflect current market value, dividend payments, or transaction costs. Past splits do not guarantee future performance.

About reverse stock split history

Aptose Biosciences Inc. (APTO) has undergone 4 reverse stock splits. The most recent was a 1-for-30 reverse split on Feb 26, 2025. Reverse splits consolidate shares to increase the per-share price.

Frequently asked questions

Aptose Biosciences Inc. (APTO) has undergone 4 reverse stock splits. Reverse splits consolidate shares, reducing share count while increasing the per-share price.

APTO reverse stock split historyhow many reverse splits for APTOAPTO stock split countcumulative split multiple
Data: Financial Modeling Prep · Updated daily · For informational purposes only, not investment advice.