Innospec Inc.

IOSP

As of the close on Sep 25, 2026

Price

$98.72

Market cap

$2.43B

P/E (diluted TTM)

20.2

EPS (TTM)

$4.89

Four quarters to Jun 30, 2026

Dividend yield

—

Dividend records do not yet cover the latest payments

Figures shown here come from public SEC filings. Dates beside each section show the available history.

How Innospec Inc. Makes Money

Follow each dollar of revenue through to what shareholders keep.

From revenue to net income

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Source: Innospec Inc. — 10-Q filed Aug 5, 2026

Financial Summary

Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.

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SEC filings supply these figures; updates after the dates shown are not included. This page includes 16 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Mar 6, 2026.

Ownership

Who holds the shares, as reported in SEC ownership filings.

Independent insiders buying near the same time

2023-03-02–2023-03-07: 3 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )

Purchases & sales (open market or private)

		Security	Code		Price	Filing
2026-03-03	Jones David B. · SVP, GC & CCO	Common Stock	S — Open market or private sale	−1,028	75.64	SEC filing
2026-02-27 (amended)	Blackmore Milton C · Director	Common Stock	S — Open market or private sale	−307	76.79	SEC filing
2026-02-27 (amended)	Cleminson Ian · EVP & CFO	Common Stock	S — Open market or private sale	−1,149	76.30	SEC filing
2026-02-27	LANDLESS DAVID · Director	Common Stock	S — Open market or private sale	−594	76.56	SEC filing
2026-02-27	PADFIELD Larry · Director	Common Stock	S — Open market or private sale	−594	76.56	SEC filing
2026-02-27 (amended)	PADFIELD Larry · Director	Common Stock	S — Open market or private sale	−307	76.79	SEC filing
2026-02-27 (amended)	Poccia Claudia · Director	Common Stock	S — Open market or private sale	−62	76.79	SEC filing
2026-02-27 (amended)	PADFIELD Larry · Director	Common Stock	S — Open market or private sale	−287	76.30	SEC filing

Showing 8 of 19 rows

Grants, exercises, tax & gifts

		Security	Code		Filing
2026-02-27	GRIFFIN HARDY LOUIS III · SVP, HUMAN RESOURCES	Common Stock	F — Payment of exercise price or tax by delivering securities	−401	SEC filing
2026-02-27	Jones David B. · SVP, GC & CCO	Common Stock	F — Payment of exercise price or tax by delivering securities	−875	SEC filing
2026-02-27	Williams Patrick · PRESIDENT & CEO	Common Stock	F — Payment of exercise price or tax by delivering securities	−7,966	SEC filing
2026-02-27	BARNES CORBIN · SVP, Corporate Dev and IR	Common Stock	F — Payment of exercise price or tax by delivering securities	−166	SEC filing
2026-02-23	Williams Patrick · PRESIDENT & CEO	Common Stock	A — Grant, award, or other acquisition	+20,846	SEC filing
2026-02-23	Cleminson Ian · EVP & CFO	Common Stock	A — Grant, award, or other acquisition	+4,499	SEC filing
2026-02-23	PARRETTE LESLIE J · Director	Common Stock	A — Grant, award, or other acquisition	+1,539	SEC filing
2026-02-23	BARNES CORBIN · SVP, Corporate Dev and IR	Common Stock	A — Grant, award, or other acquisition	+2,481	SEC filing

Showing 8 of 30 rows

Other activity

		Security	Code		Filing
2025-11-26	BARNES CORBIN · SVP, Corporate Dev and IR	Common Stock	L — Small acquisition	+20	SEC filing
2025-05-30	BARNES CORBIN · SVP, Corporate Dev and IR	Common Stock	L — Small acquisition	+17	SEC filing
2025-02-21	GRIFFIN HARDY LOUIS III · SVP, HUMAN RESOURCES	Common Stock	D — Disposition to the issuer	−121	SEC filing
2025-02-21	BARNES CORBIN · SVP, Corporate Dev and IR	Common Stock	D — Disposition to the issuer	−200	SEC filing
2024-02-22	Cleminson Ian · VP & CFO	Common Stock	D — Disposition to the issuer	−311	SEC filing
2024-02-22	Williams Patrick · PRESIDENT & CEO	Common Stock	D — Disposition to the issuer	−1,318	SEC filing
2024-02-22	Jones David B. · SVP, GC & CCO	Common Stock	D — Disposition to the issuer	−204	SEC filing
2024-02-16	Jones David B. · SVP, GC & CCO	Common Stock	D — Disposition to the issuer	−189	SEC filing

Showing 8 of 10 rows

These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.