Aspen Aerogels

ASPNNYSEUSD

THESIS ALERT

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$6.41
+$0.69 (+12.06%)Today 1M +1.24%
After hours$6.32−1.40%

Updated Nov 11, 4:00 PM ET · Regular session · May be delayed

Source valuation snapshot. Not a live recalculation.
Latest filed annual earnings; price snapshot date unavailable. Not forward P/E.
Diluted earnings per share from the latest filed annual.
$5.72
Prior regular-session close from the quote source.
$5.86–$6.46
Regular-session low and high so far today.
2.0M
Regular-session shares traded · Nov 11, 4:00 PM ET.
Not yet confirmed
The company has not confirmed its next report date. Reported quarters are available in the chart’s Earnings view.
$2.30–$8.10
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 ASPN if its aerogel thermal-protection technology stays specified into demanding EV and industrial applications and volumes return before the cost base consumes the balance sheet.

ASPN price history

Latest price$6.41Today+$0.69 (+12.06%)
ASPN +17.40%S&P 500 -2.42%Since first plotted close
4 hours

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Investment thesis

What must happen next

5 MATERIAL PROPOSITIONS
  • Automotive battery-safety design wins remain the swing factor: if OEMs keep specifying Aspen’s aerogel thermal barriers instead of cheaper substitutes, program launches can convert into high-value volume.WeakeningMateriality: High

    GAAP annual revenue grew from $180.4 million in FY2022 to $452.7 million in FY2024, showing the platform can scale when customer demand is present. If this holds, revenue can re-accelerate with customer platforms; if it breaks, Aspen becomes a cyclical specialty-materials supplier with too much fixed cost.

    Watch: Major EV OEMs redesign battery packs to use cheaper mica, ceramic, mineral-fiber, or structural fire-protection approaches instead of Aspen aerogel barriers.

    Supporting sources

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

    GAAP annual revenue grew from $180.4 million in FY2022 to $452.7 million in FY2024, showing the platform can scale when.

    Open source ↗
  • Aerogel manufacturing know-how becomes a moat only if Aspen keeps yields and plant utilization high enough that specialized products retain premium gross margin; underutilized capacity turns the technology into weak economics.HoldingMateriality: High

    GAAP annual gross profit rose from $5.0 million in FY2022 to $182.9 million in FY2024, with gross margin expanding materially over that period. The owner needs proof that growth is not being bought with margin destruction; durable gross margin is what turns materials science into equity value.

    Watch: Persistent plant underutilization from delayed or cancelled customer programs prevents fixed manufacturing costs from being absorbed.

    Supporting sources

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

    GAAP annual gross profit rose from $5.0 million in FY2022 to $182.9 million in FY2024, with gross margin expanding materially.

    Open source ↗
  • Aspen’s specialized materials platform creates per-share value only if renewed volume fills R&D, sales, and manufacturing overhead rather than leaving the company with structurally stranded fixed costs.WeakeningMateriality: Medium

    GAAP annual operating income improved from a $79.2 million loss in FY2022 and a $49.2 million loss in FY2023 to $54.5 million of profit in FY2024. If operating leverage returns, small revenue gains can drive large earnings improvement; if fixed costs are stranded, revenue recovery may still not create profits.

    Watch: Customer programs are permanently cancelled rather than delayed, leaving facilities, technical staff, and commercial infrastructure sized for demand that does not arrive.

    Supporting sources

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

    GAAP annual operating income improved from a $79.2 million loss in FY2022 and a $49.2 million loss in FY2023 to.

    Open source ↗
  • The balance sheet gives Aspen time to repair demand and utilization, but the thesis requires a self-funded recovery rather than repeated equity issuance or distressed financing.HoldingMateriality: Medium

    Cash and equivalents were $156.9 million at FY2025 year-end. Even if the technology is valuable, shareholders lose if the company must dilute heavily before the recovery arrives.

    Watch: Customer delays create working-capital outflows or inventory builds before orders recover.

    Supporting sources

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

    Cash and equivalents were $156.9 million at FY2025 year-end.

    Open source ↗
  • Energy and industrial insulation demand must remain a cash-generating anchor while EV programs reset, because a pure EV-materials story would leave Aspen overly exposed to platform timing and OEM bargaining power.HoldingMateriality: Medium

    GAAP annual operating cash flow improved from negative $94.4 million in FY2022 to positive $45.5 million in FY2024. A resilient non-EV base can fund the EV option; if it weakens too, the company has less time and less negotiating leverage.

    Watch: Refinery, LNG, petrochemical, or industrial maintenance customers defer insulation projects during a capex downturn.

    Supporting sources

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

    GAAP annual operating cash flow improved from negative $94.4 million in FY2022 to positive $45.5 million in FY2024.

    Open source ↗
Full investment case & evidence

Loading the original research archive…

Original research

Automotive battery-safety design wins remain the swing factor: if OEMs keep specifying Aspen’s aerogel thermal barriers instead of cheaper substitutes, program launches can convert into high-value volume. If this holds, revenue can re-accelerate with customer platforms; if it breaks, Aspen becomes a cyclical specialty-materials supplier with too much fixed cost.

Aerogel manufacturing know-how becomes a moat only if Aspen keeps yields and plant utilization high enough that specialized products retain premium gross margin; underutilized capacity turns the technology into weak economics. The owner needs proof that growth is not being bought with margin destruction; durable gross margin is what turns materials science into equity value.

Aspen’s specialized materials platform creates per-share value only if renewed volume fills R&D, sales, and manufacturing overhead rather than leaving the company with structurally stranded fixed costs. If operating leverage returns, small revenue gains can drive large earnings improvement; if fixed costs are stranded, revenue recovery may still not create profits.

The balance sheet gives Aspen time to repair demand and utilization, but the thesis requires a self-funded recovery rather than repeated equity issuance or distressed financing. Even if the technology is valuable, shareholders lose if the company must dilute heavily before the recovery arrives.

Energy and industrial insulation demand must remain a cash-generating anchor while EV programs reset, because a pure EV-materials story would leave Aspen overly exposed to platform timing and OEM bargaining power. A resilient non-EV base can fund the EV option; if it weakens too, the company has less time and less negotiating leverage.

All standing thesis claims
Original report summary

its aerogel thermal-protection technology stays specified into demanding EV and industrial applications and volumes return before the cost base consumes the balance sheet.

Evidence assessed Oct 16, 2026. Expand each conclusion for its evidence and what would change it. Thesis evidence—not a buy or sell recommendation.

Bull case and bear case

Bull case and bear case for Aspen Aerogels

Where the evidence on Aspen Aerogels disagrees: Mixed on the latest evidence (Oct 16, 2026). Of its 5 thesis points, 3 holding and 2 weakening.

Bull case: what the evidence supports

  • Aerogel manufacturing know-how becomes a moat only if Aspen keeps yields and plant utilization high enough that specialized products retain premium gross margin; underutilized capacity turns the technology into weak economics.

    sec.gov ↗

  • The balance sheet gives Aspen time to repair demand and utilization, but the thesis requires a self-funded recovery rather than repeated equity issuance or distressed financing.

    sec.gov ↗

  • Energy and industrial insulation demand must remain a cash-generating anchor while EV programs reset, because a pure EV-materials story would leave Aspen overly exposed to platform timing and OEM bargaining power.

    sec.gov ↗

Bear case: what the evidence questions

  • Automotive battery-safety design wins remain the swing factor: if OEMs keep specifying Aspen’s aerogel thermal barriers instead of cheaper substitutes, program launches can convert into high-value volume.

    sec.gov ↗

  • Aspen’s specialized materials platform creates per-share value only if renewed volume fills R&D, sales, and manufacturing overhead rather than leaving the company with structurally stranded fixed costs.

    sec.gov ↗

Thesis-Break Engine

Thesis-break watch · Aspen Aerogels

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

Early warning

The break condition read on the trailing twelve months through Aspen Aerogels’s latest quarterly report, ahead of the annual figure it is written on.

  • Revenue decline, trailing 12 months

    Across all companies, this kind of early warning has happened 3,039 times before. Those stocks beat the market by a median of 1% over the next six months, and 32% of them trailed it by 10 points or more.

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
    Regulation FD disclosure.

    Aspen Aerogels filed an SEC 8-K on 2026-09-15: Regulation FD disclosure. It is a dated development that tests the current thesis.

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

    Aspen Aerogels filed an SEC 8-K on 2026-08-06: Reported results of operations (earnings release). It is a dated development that tests the current thesis.

  3. Mixed
    Director or principal officer change.

    Aspen Aerogels filed an SEC 8-K on 2026-05-18: Director or principal officer change. It is a dated development that tests the current thesis.

Risks / falsifiers

What could break the thesis

  • Major EV OEMs redesign battery packs to use cheaper mica, ceramic, mineral-fiber, or structural fire-protection approaches instead of Aspen aerogel barriers.
  • Persistent plant underutilization from delayed or cancelled customer programs prevents fixed manufacturing costs from being absorbed.
  • Customer programs are permanently cancelled rather than delayed, leaving facilities, technical staff, and commercial infrastructure sized for demand that does not arrive.
  • Customer delays create working-capital outflows or inventory builds before orders recover.
  • Refinery, LNG, petrochemical, or industrial maintenance customers defer insulation projects during a capex downturn.

ASPN news

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Financial statements

ASPN income statement

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

ASPN: quick answers

What is ASPN's short interest?
As of October 30, 2026, 6.4M ASPN shares were sold short, 7.71% of its shares outstanding, up 4.3% from the count before. At the stock's average daily volume that is 7.2 days to cover. FINRA publishes the count twice a month. ASPN short interest history
Have members of Congress traded ASPN?
3 trades in ASPN 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 ASPN trade
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