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

Innospec Inc.

IOSPNASDAQBasic Materials● Active
$81.52
+$0.84(+1.04%)
Market Cap$2.0B
P/E Ratio
52W High$92.14
52W Low$65.51

Innospec Inc. (IOSP) Stock Splits

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

FMP · IOSP · as of Jun 8, 2026

Key split metrics

Total Splits1Since IPO (May 13, 1998)
Most Recent SplitJul 23, 2007Forward · 2-for-1
Cumulative Multiple×21 share (1998) → 2 shares today

Latest Split Event

Forward Split
Jul 23, 2007
BEFORE SPLIT$60.70Closing price · Jul 20, 2007
2-for-1
AFTER SPLIT$29.00Opening price · Jul 23, 2007
Each shareholder received 2 shares for every 1 share held.·Total market cap unchanged.·Source: FMP · Historical EOD

Stock Split History

IOSP · 1 records
DateRatioTypeMultipleCumulative
Jul 23, 20072-for-1Forward×2×2
1 splits since IPO · May 13, 1998Data: Financial Modeling Prep · Updated daily

Stock Split Calculator

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

ORIGINAL SHARES100
SHARES TODAY100
Splits Applied0
Total Multiplier×1.00
Split Period
Splits applied:No splits occurred after this date
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 stock split history & investor guide

Innospec Inc. (IOSP) has split its stock 1 times since its IPO, with a cumulative multiplier of ×2. The most recent split was a 2-for-1 forward split on Jul 23, 2007.

Frequently asked questions

Innospec Inc. (IOSP) has split its stock 1 times. All splits were forward splits. The cumulative multiplier is ×2, meaning 1 share at IPO would equal 2 shares today.

IOSP stock split historyhow many times has IOSP splitIOSP cumulative stock splitforward stock split record
Data: Financial Modeling Prep · Updated daily · For informational purposes only, not investment advice.