Welcome to our dedicated page for Aspen Aerogels SEC filings (Ticker: ASPN), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Aspen Aerogels, Inc. (NYSE: ASPN) SEC filings page on Stock Titan provides access to the company’s official disclosures filed with the U.S. Securities and Exchange Commission. These documents include current reports on Form 8‑K, annual reports on Form 10‑K, quarterly reports on Form 10‑Q, and other materials that describe Aspen’s financial condition, risk factors, governance, and key business developments.
For Aspen, which describes itself as a technology leader in sustainability, electrification solutions, and thermal management, Form 10‑K and 10‑Q filings are central sources for understanding segment performance in its Energy Industrial and Thermal Barrier businesses, the role of products such as PyroThin, Cryogel, and Pyrogel, and the company’s exposure to EV and energy infrastructure markets. These reports also reference non‑GAAP measures like Adjusted EBITDA, along with reconciliations to GAAP metrics.
Recent Form 8‑K filings have documented material events such as amendments to Aspen’s Credit, Security and Guaranty Agreement with MidCap Financial, including changes to minimum liquidity covenants, removal of a minimum EBITDA maintenance covenant, and clarifications on mandatory prepayments and acquisition baskets. Other 8‑K filings describe quarterly earnings announcements, financial outlook updates, and executive employment agreements, such as the promotion of an internal successor to Chief Financial Officer and Treasurer.
On Stock Titan, AI‑powered tools can help interpret these filings by summarizing lengthy sections, highlighting covenant changes, and explaining the implications of items like restructuring charges, liquidity thresholds, or executive compensation terms. Users can quickly locate 10‑K and 10‑Q reports for detailed financial data, review Form 4 insider transaction filings when available, and track how Aspen’s disclosures evolve over time in response to conditions in EV and energy infrastructure markets.
This page is a practical starting point for investors, analysts, and researchers who want a structured view of Aspen Aerogels’ regulatory history and the key contractual and governance information disclosed through its SEC filings.
Aspen Aerogels is holding its 2026 virtual annual stockholder meeting on May 13, 2026, asking investors to elect two directors, ratify KPMG as auditor, approve executive pay and its voting frequency, and support a future move to declassify the board. The board recommends voting for all proposals and choosing “One Year” for say-on-pay frequency.
The proxy also highlights 2025 actions to streamline operations, remove approximately $75 million of structural fixed costs, and strengthen the balance sheet. Aspen ended 2025 with about $159 million in cash and cash equivalents and expects nearly $38 million from a General Motors commercial settlement in Q1 2026, plus potential Plant II asset sales to further reduce debt.
The Vanguard Group filed Amendment No. 2 to a Schedule 13G/A reporting 0 shares of Aspen Aerogels Inc. common stock, representing 0% of the class as reported. The filing explains an internal realignment dated January 12, 2026 that led certain Vanguard subsidiaries to report disaggregated holdings separately.
Aspen Aerogels filed an amended annual report mainly to correct a clerical error in KPMG’s audit discussion of inventory, changing the referenced balance to $38.2 million as of December 31, 2025. The underlying 2025 results show a sharp downturn: revenue fell to $271.1 million from $452.7 million in 2024, and the company posted a net loss of $389.6 million versus prior-year net income of $13.4 million.
The loss was driven largely by the decision to halt construction of the Statesboro, Georgia plant, resulting in $286.6 million of impairment charges and additional losses as assets were reclassified as held for sale. Aspen ended 2025 with $156.9 million of cash and cash equivalents, total assets of $406.7 million, and total liabilities of $171.2 million. Management states it expects existing cash, together with operations and potential financings, to support current requirements and capital spending for at least 12 months.
Aspen Aerogels, Inc. is soliciting proxies for its virtual 2026 annual meeting to be held at 9:30 a.m. Eastern Time on May 13, 2026. Stockholders will vote to elect two directors, ratify KPMG LLP as auditor, and cast non-binding advisory votes on executive compensation, vote frequency, and future declassification of the Board.
The CEO letter highlights operating actions taken in 2025: the company ended the year with approximately $159 million in cash, expects nearly $38 million from General Motors in Q1 2026 related to a commercial settlement, and removed approximately $75 million of structural fixed costs on an annualized basis. Management cites recent awards, including a North Sea subsea contract with expected delivery in Q3 2026 and PyroThin thermal barrier awards with production starts expected in 2027 and 2028. The company is pursuing Plant II asset sales in 2026 to further reduce debt.
Aspen Aerogels, Inc. files its annual report describing a fast-growing but volatile business focused on EV battery thermal barriers and energy industrial insulation. Total revenue was $271.1 million in 2025, compared with $452.7 million in 2024 and $238.7 million in 2023, reflecting a sharp pullback after a strong prior year.
Sales of PyroThin thermal barriers into the EV market reached $168.9 million in 2025, following $306.8 million in 2024 and $110.1 million in 2023, primarily to General Motors. GM alone represented 59% of 2025 revenue and 64% of 2024 revenue, underscoring heavy customer concentration risk.
The company reported a 2025 net loss of $389.6 million and an accumulated deficit of $1,049.8 million as of December 31, 2025, even after earning net income of $13.4 million in 2024. Management highlights ongoing capital needs, debt covenants under its MidCap term loan, and reliance on contract manufacturing in China and unionized operations in Mexico.
Aspen operates a proprietary aerogel platform, with 400 issued patents worldwide, serving EV, refinery, petrochemical, LNG and power customers. It had 854 full-time employees as of December 31, 2025 and generated $172.1 million of U.S. revenue and $99.0 million of international revenue that year.
Aspen Aerogels Chief Commercial Officer Corby C. Whitaker reported a routine tax-related share disposition. On the vesting of Restricted Stock Units, 1,924 shares of Common Stock were withheld by the company at $3.22 per share to cover minimum statutory tax obligations.
After this withholding, Whitaker directly holds 205,315 shares of Common Stock, which the footnotes clarify represent 128,170 shares plus 77,145 RSUs. This event reflects compensation and tax mechanics rather than an open-market trade.
Aspen Aerogels CFO & Treasurer Grant Douglas Thoele reported a routine tax-withholding transaction. On this Form 4, 590 shares of common stock were withheld at $3.22 per share to cover minimum statutory taxes on the vesting of restricted stock units.
After this non-market disposition, Thoele is shown as holding 77,732 common-equivalent units, consisting of 10,111 shares of common stock and 67,621 RSUs. The event reflects compensation-related vesting mechanics rather than an open-market sale.
Aspen Aerogels President and CEO Donald R. Young reported a routine tax-related share disposition. On the vesting of Restricted Stock Units (RSUs), 4,275 shares of Common Stock were withheld by the company to cover minimum statutory tax obligations, at $3.22 per share.
After this withholding, Young holds 637,834 equity-based units, consisting of 438,349 shares of Common Stock and 199,485 RSUs. This event reflects compensation-related tax settlement rather than an open-market sale.
ASPEN AEROGELS INC Chief Operating Officer Gregg Landes reported a routine tax-related share disposition. The company withheld 1,924 shares of common stock at $3.22 per share to cover minimum statutory taxes on vesting of restricted stock units. After this withholding, Landes holds 102,931 equity-linked units, including 26,317 shares of common stock and 76,614 restricted stock units.