---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-213160"
form_type: "8-K"
ticker: "IOSP"
cik: "0001054905"
company_name: "INNOSPEC INC."
filed_at: "2026-05-08T23:59:59+00:00"
generated_at: "2026-05-14T19:39:00.343315+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Innospec Q1 revenue $453.2M (+3% YoY); adjusted EPS $1.05 vs $1.42; dividend raised 10% to $0.92

## Summary
- GAAP EPS $1.22, net income $30.4M; adjusted non-GAAP EPS $1.05 (both down YoY).
- Revenue grew 3% to $453.2M; Fuel Specialties strength offset winter storm impacts in other segments.
- Semi-annual dividend increased 10% to $0.92/share, payable May 29 to holders of record May 19.
- New $75M share repurchase authorization replaces existing $50M plan; $6.2M repurchased in Q1.
- Net cash $289.1M; operating cash flow $17.6M, capital expenditures $8.6M.

## SEC filing metadata
- accession: 0001193125-26-213160
- form_type: 8-K
- ticker: IOSP
- cik: 0001054905
- company_name: INNOSPEC INC.
- filed_at: 2026-05-08T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1054905/000119312526213160/0001193125-26-213160-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1054905/000119312526213160/iosp-20260507.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-213160
- JSON: https://secwatch.observer/filing/0001193125-26-213160.json
- Plain text: https://secwatch.observer/filing/0001193125-26-213160.txt

## Source-grounded claims
- claim_id: cc17e9104bef3caca088589a0a8992d6e7855407
  claim: INNOSPEC INC. reported first quarter ended March 31, 2026 results: revenue $453.2 million, net income $30.4 million or $1.22 per diluted share, EPS $1.22 per diluted share.
  evidence_excerpt: Total revenues for the first quarter were $453.2 million, an increase of 3 percent from $440.8 million in the corresponding period last year. Net income attributable to Innospec for the quarter was $30.4 million or $1.22 per diluted share compared to $32.8 million or $1.31 per diluted share recorded in the corresponding period last year.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1054905/000119312526213160/0001193125-26-213160-index.htm

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