IOSP Stock: Price, Earnings History and SEC Filings
Innospec Inc. (IOSP) last traded at $99.89, down 1.50% on the latest session and up 4.8% over the past month. In its most recent reported quarter (Jun 2026) earnings per share were $1.27 against an analyst estimate of $1.05, a beat of 21.0%.
Price data from Yahoo Finance, as of Oct 30, 2026. May be delayed.
IOSP earnings history
| Quarter | Reported | EPS | Estimate | Surprise |
|---|---|---|---|---|
| Jun 2026 | Aug 4, 2026 | $1.27 | $1.05 | +20.95% |
| Mar 2026 | May 7, 2026 | $1.05 | $1.02 | +2.94% |
| Dec 2025 | Feb 17, 2026 | $1.50 | $1.26 | +19.05% |
| Sep 2025 | Nov 4, 2025 | $1.12 | $1.03 | +8.74% |
IOSP beat the analyst EPS estimate in 4 of its last 4 reported quarters. Source: Nasdaq.
How IOSP reacts to earnings
Across its last 8 earnings releases, IOSP moved 4.9% on average the next session, in either direction. It rose after 5 of 8 reports.
| Report date | Released | Next-session move |
|---|---|---|
| 2026-08-05 | Before open | +6.07% |
| 2026-05-08 | Before open | +5.10% |
| 2026-02-18 | Before open | +0.26% |
| 2025-11-05 | Before open | +2.42% |
| 2025-08-06 | Before open | -3.07% |
| 2025-05-09 | Before open | -3.09% |
| 2025-02-19 | Before open | -6.99% |
| 2024-11-06 | Before open | +12.39% |
Based on the dates of earnings-release 8-K filings (SEC EDGAR) and daily closing prices (Yahoo Finance). Past reactions do not predict future ones.
IOSP financial history
| Fiscal year | Revenue | Net income | Free cash flow | Net margin | Diluted EPS |
|---|---|---|---|---|---|
| 2025 | $1.8B | – | – | – | $4.67 |
| 2024 | $1.8B | – | – | – | $1.42 |
| 2023 | $1.9B | – | – | – | $5.56 |
| 2022 | $2.0B | – | – | – | $5.32 |
| 2021 | $1.5B | – | – | – | $3.75 |
| 2020 | $1.2B | – | – | – | $1.16 |
| 2019 | $1.5B | – | – | – | $4.54 |
| 2018 | $1.5B | – | – | – | $3.45 |
Source: annual figures from 10-K filings on SEC EDGAR. The year shown is the calendar year the fiscal year ended. Free cash flow is operating cash flow minus capital spending.
Latest SEC filings for IOSP
- 10-Q · Aug 5, 2026
- 8-K · Aug 5, 2026Results of operations, Financial statements and exhibits
- 8-K · Jun 4, 2026Officer or director change
- 8-K · May 13, 2026Shareholder vote
- 10-Q · May 8, 2026
- 8-K · May 8, 2026Results of operations, Regulation FD disclosure, Financial statements and exhibits
- DEF 14A · Mar 26, 2026
- 10-K · Feb 18, 2026
- 8-K · Feb 18, 2026Results of operations, Financial statements and exhibits
- 10-Q · Nov 5, 2025
Insider filing activity
IOSP insiders filed 6 Form 4 reports in the last 90 days. A Form 4 is how directors and executives disclose purchases, sales and grants of company stock. See the individual filings on SEC EDGAR. Many Form 4 filings are routine, such as scheduled sales or option exercises, so check each filing before drawing a conclusion.
Source: SEC EDGAR.
IOSP news
- Olin (OLN) Q3 Earnings Beat EstimatesOct 29, 2026 · finance.yahoo.com
- Albemarle (ALB) Earnings Expected to Grow: What to Know Ahead of Next Week's ReleaseOct 28, 2026 · finance.yahoo.com
- Innospec (IOSP) Earnings Expected to Grow: What to Know Ahead of Next Week's ReleaseOct 27, 2026 · finance.yahoo.com
About Innospec Inc.
Innospec Inc. (IOSP) is a US-listed public company on Nasdaq. The SEC classifies its business as Chemicals & Allied Products. It is incorporated in DE. Its fiscal year ends in December.