---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-044076"
form_type: "8-K"
ticker: "IOSP"
cik: "0001054905"
company_name: "INNOSPEC INC."
filed_at: "2023-02-22T23:59:59+00:00"
generated_at: "2026-06-19T04:04:21.030131+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Innospec Q4 revenue up 24% to $510.7M; adjusted EPS $1.20 vs $1.30 YoY; net cash $147.1M

## Summary
- Q4 revenue $510.7M (+24% YoY); net income $25.5M ($1.02 diluted EPS) vs $23.9M ($0.96) last year.
- Adjusted non-GAAP EPS $1.20, down from $1.30 YoY, impacted by $0.36 higher tax charges.
- EBITDA $54.3M vs $44.8M; operating income growth 31% for quarter, 42% for full year.
- Generated $78.4M cash from operations; net cash improved to $147.1M from $100.5M at Q3 end.
- Paid semi-annual dividend of $0.65/share; repurchased 8,514 shares for $0.7M.

## SEC filing metadata
- accession: 0001193125-23-044076
- form_type: 8-K
- ticker: IOSP
- cik: 0001054905
- company_name: INNOSPEC INC.
- filed_at: 2023-02-22T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1054905/000119312523044076/0001193125-23-044076-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1054905/000119312523044076/d456217d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-044076
- JSON: https://secwatch.observer/filing/0001193125-23-044076.json
- Plain text: https://secwatch.observer/filing/0001193125-23-044076.txt

## Key facts
- Earnings Releases
  INNOSPEC INC. reported financial results for the fiscal year ended December 31, 2022.
  - Period: the fiscal year ended December 31, 2022
  - Result: reported results
  source text: On February 21, 2023 Innospec Inc. (the “Company”) issued a press release announcing its financial results for the fiscal year and quarter ended December 31, 2022 (the “Press Release”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1054905/000119312523044076/0001193125-23-044076-index.htm
- Earnings Releases
  INNOSPEC INC. reported the fourth quarter ended December 31, 2022 results: revenue $510.7 million, net income $25.5 million, EPS $1.02 per diluted share.
  - Period: the fourth quarter ended December 31, 2022
  - Revenue: $510.7 million
  - Net income: $25.5 million
  - EPS: $1.02 per diluted share
  - Result: reported results
  source text: Total revenues for the fourth quarter were $510.7 million, an increase of 24 percent from $413.2 million in the corresponding period last year. Net income for the quarter was $25.5 million or $1.02 per diluted share compared to $23.9 million or 96 cents per diluted share recorded last year.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1054905/000119312523044076/0001193125-23-044076-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.