Innospec

IOSPNASDAQUSD

THESIS ALERT

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$77.72
−$2.49 (−3.10%)Today 1M −18.75%

Updated Nov 10, 4:00 PM ET · Regular session · May be delayed

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Source valuation snapshot. Not a live recalculation.
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Latest filed annual earnings; price snapshot date unavailable. Not forward P/E.
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Diluted earnings per share from the latest filed annual.
$80.21
Prior regular-session close from the quote source.
$77.61–$80.15
Regular-session low and high so far today.
355.1K
Regular-session shares traded · Nov 10, 4:00 PM ET.
Feb 17 projected
Projected for 2027-02-17 from the company’s own results filings (SEC 8-K Item 2.02). The company has not confirmed the date.
$65.51–$102.00
52-week trading low and high returned by the quote source.

Understand the Business

Why the Stock Moved

Period-matched expectations history is not yet available. Current metrics are not a substitute for a historical explanation.

The core investment thesis

Own IOSP if Innospec is a specialty-chemicals manufacturer whose value depends on durable pricing/passage of feedstock costs, steady cash-generation and disciplined capital allocation (buybacks/M&A) to offset cyclical volume swings.

IOSP price history

LATEST PRICE$77.72TODAY−$2.49 (-3.10%)
IOSP -18.80%S&P 500 -3.68%Since first plotted close
4 hours

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INVESTMENT THESIS

What must happen next

4 MATERIAL PROPOSITIONS
  • Innospec’s ability to pass through feedstock costs and preserve product pricing will keep gross_profit from collapsing even when volumes fall (i.e., gross profit remains a material, stable contributor to cash generation).HoldingMateriality: High

    gross_profit of $591.1M in 2023, $542.9M in 2024 and $492.4M in 2025 shows gross-profit remained substantial despite declining revenue. If gross-profit resilience holds, operating cash flow and margins remain intact, supporting dividends/buybacks and valuation; if it fails, profits and cash convertibility will fall and the stock will re-rate down.

    Watch: a sustained raw-material price spike that customers refuse to accept (forcing margin absorption).

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    gross_profit of $591.1M in 2023, $542.9M in 2024 and $492.4M in 2025 shows gross-profit remained substantial despite declining revenue.

    Open source ↗
  • Operating cash flow is a durable engine for shareholder returns and M&A: absent a structural demand collapse, Innospec will continue to generate substantial operating_cash_flow that funds capital returns and selective acquisitions.StrengtheningMateriality: High

    operating_cash_flow of $207.3M (2023), $184.5M (2024) and $138.3M (2025) — positive and material in each year. Sustained cash generation lets management shrink share count or buy accretive businesses, boosting EPS even if organic revenue growth is slow.

    Watch: a sharp, sustained drop in end-market demand that forces inventory builds or receivables (working-capital pressure).

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    operating_cash_flow of $207.3M (2023), $184.5M (2024) and $138.3M (2025) — positive and material in each year.

    Open source ↗
  • The stock’s premium requires a sustained EPS recovery; EPS_diluted must resume multi-year growth (i.e., return to and exceed recent highs) to justify current multiples rather than a re-rating.HoldingMateriality: Medium

    eps_diluted moved from $5.56 (2023) to $1.42 (2024) then $4.67 (2025) — demonstrates both vulnerability and potential for recovery. If EPS growth is one-off or volatile, the valuation (PE ~20.95) will compress; sustained EPS lifts the multiple and total return.

    Watch: structural margin compression (e.g., from commoditization or customer consolidation) keeping EPS volatile below prior peaks.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    eps_diluted moved from $5.56 (2023) to $1.42 (2024) then $4.67 (2025) — demonstrates both vulnerability and potential for recovery.

    Open source ↗
  • A strong balance sheet (cash and equity) gives management flexibility to deploy capital into buybacks or pragmatic M&A that can increase long-term margins without relying solely on organic growth.StrengtheningMateriality: Medium

    cash of $292.5M and equity of $1.3261B at 2025 year-end. Disciplined use of cash can raise per-share value even if top-line growth is slow; missteps would reverse the benefit.

    Watch: overpaying for acquisitions that fail to integrate or dilute returns.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    cash of $292.5M and equity of $1.3261B at 2025 year-end.

    Open source ↗
Full investment case & evidence

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Original research

Innospec’s ability to pass through feedstock costs and preserve product pricing will keep gross_profit from collapsing even when volumes fall (i.e., gross profit remains a material, stable contributor to cash generation). If gross-profit resilience holds, operating cash flow and margins remain intact, supporting dividends/buybacks and valuation; if it fails, profits and cash convertibility will fall and the stock will re-rate down.

Operating cash flow is a durable engine for shareholder returns and M&A: absent a structural demand collapse, Innospec will continue to generate substantial operating_cash_flow that funds capital returns and selective acquisitions. Sustained cash generation lets management shrink share count or buy accretive businesses, boosting EPS even if organic revenue growth is slow.

The stock’s premium requires a sustained EPS recovery; EPS_diluted must resume multi-year growth (i.e., return to and exceed recent highs) to justify current multiples rather than a re-rating. If EPS growth is one-off or volatile, the valuation (PE ~20.95) will compress; sustained EPS lifts the multiple and total return.

A strong balance sheet (cash and equity) gives management flexibility to deploy capital into buybacks or pragmatic M&A that can increase long-term margins without relying solely on organic growth. Disciplined use of cash can raise per-share value even if top-line growth is slow; missteps would reverse the benefit.

All standing thesis claims
Original report summary

Innospec is a specialty-chemicals manufacturer whose value depends on durable pricing/passage of feedstock costs, steady cash-generation and disciplined capital allocation (buybacks/M&A) to offset cyclical volume swings.

Evidence assessed Nov 10, 2026. Expand each conclusion for its evidence and what would change it. Thesis evidence—not a buy or sell recommendation.

BULL CASE / BEAR CASE

Bull case and bear case for Innospec

Where the evidence on Innospec stands: Holding on the latest evidence (Nov 10, 2026). Of its 4 thesis points, 2 strengthening and 2 holding.

Bull case: what the evidence supports

  • Innospec’s ability to pass through feedstock costs and preserve product pricing will keep gross_profit from collapsing even when volumes fall (i.e., gross profit remains a material, stable contributor to cash generation).

    sec.gov ↗

  • Operating cash flow is a durable engine for shareholder returns and M&A: absent a structural demand collapse, Innospec will continue to generate substantial operating_cash_flow that funds capital returns and selective acquisitions.

    sec.gov ↗

  • The stock’s premium requires a sustained EPS recovery; EPS_diluted must resume multi-year growth (i.e., return to and exceed recent highs) to justify current multiples rather than a re-rating.

    sec.gov ↗

  • A strong balance sheet (cash and equity) gives management flexibility to deploy capital into buybacks or pragmatic M&A that can increase long-term margins without relying solely on organic growth.

    sec.gov ↗

Bear case: what would count against it

  • a sustained raw-material price spike that customers refuse to accept (forcing margin absorption).

    sec.gov ↗

  • a sharp, sustained drop in end-market demand that forces inventory builds or receivables (working-capital pressure).

    sec.gov ↗

  • structural margin compression (e.g., from commoditization or customer consolidation) keeping EPS volatile below prior peaks.

    sec.gov ↗

Thesis-Break Engine

Thesis-break watch · Innospec

12 mo agonow
Trailing daily price. No thesis break has crossed here, so there is no break base rate to project.

No break has crossed Innospec’s thesis. Its break conditions are checked against every new filing as it lands.

How the Thesis-Break Engine works →Historical outcomes are measured against the market after past breaks of the same kind, across all companies. Not a prediction.

MARKET + FINANCIAL SNAPSHOT

The numbers behind the thesis

Sourced from filings and market data

What Changed

  1. MIXED
    Reported results of operations (earnings release).

    Innospec filed an SEC 8-K on 2026-11-03: Reported results of operations (earnings release). It is a dated development that tests the current thesis.

  2. MIXED
    Reported results of operations (earnings release).

    Innospec filed an SEC 8-K on 2026-08-05: Reported results of operations (earnings release). It is a dated development that tests the current thesis.

  3. MIXED
    Director or principal officer change.

    Innospec filed an SEC 8-K on 2026-06-04: Director or principal officer change. It is a dated development that tests the current thesis.

RISKS / FALSIFIERS

What could break the thesis

  • a sustained raw-material price spike that customers refuse to accept (forcing margin absorption).
  • a sharp, sustained drop in end-market demand that forces inventory builds or receivables (working-capital pressure).
  • structural margin compression (e.g., from commoditization or customer consolidation) keeping EPS volatile below prior peaks.
  • overpaying for acquisitions that fail to integrate or dilute returns.

IOSP news

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FINANCIAL STATEMENTS

IOSP income statement

Annual filed results · USD · Oldest to newest. Margins are calculated from the reported figures.

IOSP: quick answers

When does Innospec (IOSP) report earnings next?
Innospec's next results are projected for February 17, 2027, from the dates of its own results filings with the SEC. The company has not confirmed the date. It last reported on November 3, 2026. Earnings calendar
What is IOSP's short interest?
As of October 30, 2026, 456,454 IOSP shares were sold short, down 5.5% from the count before. At the stock's average daily volume that is 1.9 days to cover. FINRA publishes the count twice a month. IOSP short interest history
Have members of Congress traded IOSP?
3 trades in IOSP have been disclosed under the STOCK Act by members of Congress, the President or senior officials, none in reports made public in the last 90 days. Every disclosed IOSP trade
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