Innospec Inc. (IOSP) Q3 2026 earnings results
Innospec Inc. (IOSP) reported Q3 2026 results on Nov 3, 2026, 4:23:58 PM ET: adjusted EPS $1.29 vs. $1.26 expected (beat by 2.4%); revenue $473.60M vs. $479.17M expected (miss by 1.2%). Outlook: The company expects improvement in several areas to drive sequential operating income growth in the fourth quarter.
| Metric | Reported | Analyst estimate | Result |
|---|---|---|---|
| EPS (adjusted, diluted) | $1.29 | $1.26 | Beat by 2.4% |
| Revenue | $473.60M | $479.17M | Miss by 1.2% |
Analyst estimate: the average forecast before the release.
Source
Figures from the SEC 8-K filing, released Nov 3, 2026, 4:23:58 PM ET. Nexqual published them 25 seconds after release. Each figure is confirmed by two independent extraction methods before it is published.
Year over year
Compared with the same quarter a year earlier (ended September 30, 2025, from the company's SEC filing): revenue grew 7.2% from $441.90M.
Stock reaction
The results came out after the market closed. IOSP closed at $80.65 on November 4, 2026, down 18.7% from its $99.23 close on November 3, 2026 before the results. Latest: $78.44 as of 11:53 AM ET, −20.9% since the pre-release close.
Questions and answers
Did Innospec Inc. beat earnings expectations?
Yes. Innospec Inc. reported adjusted EPS of $1.29 against an average analyst estimate of $1.26 (beat by 2.4%), and revenue of $473.60M against $479.17M expected (miss by 1.2%).
What were Innospec Inc.'s Q3 2026 earnings and revenue?
adjusted diluted EPS of $1.29 and revenue of $473.60M. Compared with the same quarter a year earlier (ended September 30, 2025, from the company's SEC filing): revenue grew 7.2% from $441.90M.
When did Innospec Inc. report Q3 2026 earnings?
Nov 3, 2026, 4:23:58 PM ET, in an SEC 8-K filing (Item 2.02).
How did IOSP stock react to the earnings?
The results came out after the market closed. IOSP closed at $80.65 on November 4, 2026, down 18.7% from its $99.23 close on November 3, 2026 before the results. Latest: $78.44 as of 11:53 AM ET, −20.9% since the pre-release close.
What did Innospec Inc. say about its outlook?
The company expects improvement in several areas to drive sequential operating income growth in the fourth quarter.
More on IOSP
IOSP stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. All results reported that day: earnings November 3, 2026.
Source: SEC EDGAR 8-K (Item 2.02), Nexqual Earnings Flash. Built November 10, 2026 at 16:53 UTC. Not investment advice.
Data source: Nexqual. Last updated: November 10, 2026 at 16:53 UTC. This page is informational and not investment advice.
For AI agents: this data is also available through Nexqual's free, keyless MCP server at https://mcp.nexqual.com/mcp; every result includes source_url, as_of and cite_as. More: nexqual.com/agents · llms.txt