Overview
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- TickerASPN on NYSE1
- IndustryWholesale-Lumber & Other Construction Materials1
- HeadquartersNorthborough, Massachusetts1
- Incorporated inDE2
- Business address30 Forbes Road, Building B, Northborough, Ma 015322
- Filer categoryAccelerated filer2
- Legal formCorporation
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When used in this report, the terms “we,” “us,” “our” and “the Company” refer to Aspen Aerogels, Inc. and its subsidiaries. Additionally, we do not use the ® or ™ symbol in each instance in which one of our trademarks appears in this report, but this should not be construed as any indication that we will not assert our rights thereto to the fullest extent under applicable law.3 From its latest annual report
Financials
From the company’s reports to the SEC. Every number links to the filing it came from.
Key numbers, fiscal 2025
What sells
Revenue by product, business segment and region, as the company reports it to the SEC.
Products and services
Thermal Barrier brought in 62% of the revenue ASPEN AEROGELS INC broke down this way in fiscal 2025.
Products and services by year
| Products and services | 2023 | 2024 | 2025 |
|---|---|---|---|
| Thermal Barrier | $110.1M | $306.8M | $168.9M |
| Energy Industrial | $128.6M | $145.9M | $102.2M |
Business segments
Thermal Barrier brought in 62% of the revenue ASPEN AEROGELS INC broke down this way in fiscal 2025.
Business segments by year
| Business segments | 2023 | 2024 | 2025 |
|---|---|---|---|
| Thermal Barrier | $110.1M | $306.8M | $168.9M |
| Energy Industrial | $128.6M | $145.9M | $102.2M |
Regions
United States brought in 63% of the revenue ASPEN AEROGELS INC broke down this way in fiscal 2025.
Regions by year
| Regions | 2023 | 2024 | 2025 |
|---|---|---|---|
| United States | $151.0M | $258.5M | $172.1M |
| Latin America | $7.2M | $100.6M | $47.6M |
| Asia | $35.7M | $29.3M | $31.1M |
| Europe | $42.7M | $45.0M | $17.9M |
| CA [member] | $2.0M | $19.3M | $2.5M |
Where the money goes
Where each dollar of revenue went, fiscal 2025
- Cost of revenue83¢$225.1M
- Research and development5¢$13.4M
- Other costs11¢$30.2M
- Income tax1¢$2.4M
Out of $271.1M in revenue.4 The company lost money this year.
Where each dollar of operating cash went, fiscal 2025
- Capital spending100¢$37.4M
Out of $32.9M of cash from operations. Spending exceeded cash from operations; the rest came from savings or borrowing.4
Financial statements
Every line of the income statement as filed: the last 3 fiscal years, latest first.4
| Period ending | 2025-12-31 | 2024-12-31 | 2023-12-31 |
|---|---|---|---|
| Revenue | $271.1M | $452.7M | $238.7M |
| Cost of revenue | $225.1M | $269.8M | $181.8M |
| Gross profit | $46.0M | $182.9M | $56.9M |
| Research and development | $13.4M | $18.1M | $16.4M |
| Sales and marketing | $28.2M | $35.7M | $33.0M |
| General and administrative | $55.8M | $71.1M | $56.8M |
| Restructuring and demobilization costs | $17.5M | ||
| Loss on disposal of property, plant and equipment | $18.2M | ||
| Impairment of property, plant and equipment | $291.2M | $3.5M | |
| Total operating expenses | $424.2M | $128.4M | $106.1M |
| Income (loss) from operations | -$378.2M | $54.5M | -$49.2M |
| Interest expense, convertible note - related party | -$7.5M | -$5.3M | |
| Interest income (expense), net | -$10.7M | -$4.4M | $6.5M |
| Income from Employee Retention Credits | $2.2M | ||
| Loss on extinguishment of debt | -$27.5M | ||
| Other income | $1.8M | ||
| Total other income (expense) | -$8.9M | -$39.4M | $3.4M |
| Income (loss) before income tax expense | -$387.2M | $15.1M | -$45.8M |
| Income tax expense | -$2.4M | -$1.7M | $0 |
| Net income (loss) | -$389.6M | $13.4M | -$45.8M |
| Basic | -$4.73 | $0.17 | -$0.66 |
| Diluted | -$4.73 | $0.17 | -$0.66 |
| Basic | 82.3M shares | 77.5M shares | 69.4M shares |
| Diluted | 82.3M shares | 80.3M shares | 69.4M shares |
No quarter-by-quarter statement was filed.
Every line of the balance sheet as filed: the last 4 fiscal years (annual) or 4 quarters (quarterly), latest first.4
| Period ending | 2025-12-31 | 2024-12-31 | 2023-12-31 | 2022-12-31 |
|---|---|---|---|---|
| Cash and cash equivalents | $156.9M | $220.9M | ||
| Restricted cash | $1.7M | $394.0K | ||
| Accounts receivable, net of allowances of $4,172 and $1,265 | $35.3M | $109.1M | ||
| Inventories | $38.2M | $47.6M | ||
| Prepaid expenses and other current assets | $10.0M | $31.5M | ||
| Total current assets | $242.1M | $409.4M | ||
| Property, plant and equipment, net | $98.4M | $459.3M | ||
| Assets held for sale | $32.7M | |||
| Operating lease right-of-use assets | $18.0M | $20.9M | ||
| Finance lease right-of-use assets | $6.1M | |||
| Other long-term assets | $9.4M | $5.6M | ||
| Total assets | $406.7M | $895.1M | ||
| Accounts payable | $13.2M | $44.4M | ||
| Accrued expenses | $13.0M | $36.5M | ||
| Deferred revenue | $1.3M | $2.2M | ||
| Finance obligation for sale and leaseback transactions | $4.4M | $4.0M | ||
| Operating lease liabilities | $3.2M | $3.3M | ||
| Finance lease liabilities | $1.8M | |||
| Long term debt - current portion | $25.1M | $19.8M | ||
| Total current liabilities | $62.0M | $110.1M | ||
| Revolving line of credit | $14.3M | $42.1M | ||
| Long term debt | $65.5M | $95.0M | ||
| Finance obligation for sale and leaseback transactions long-term | $5.0M | $10.1M | ||
| Operating lease liabilities long-term | $21.1M | $23.1M | ||
| Finance lease liabilities long-term | $3.2M | |||
| Total liabilities | $171.2M | $280.4M | ||
| Common stock, $0.00001 par value; 250,000,000 shares authorized, 82,711,351 and 82,040,468 shares issued and outstanding at December 31, 2025 and December 31, 2024, respectively | $0 | $0 | ||
| Additional paid-in capital | $1.3B | $1.3B | ||
| Accumulated deficit | -$1.0B | -$660.2M | ||
| Total stockholders' equity | $235.5M | $614.7M | $488.1M | $447.4M |
| Total liabilities and stockholders' equity | $406.7M | $895.1M | ||
| Allowance for accounts receivable and contract assets | $4.2M | $1.3M | ||
| Preferred stock, par value | $0.00 | $0.00 | ||
| Preferred stock, shares authorized | 5.0M shares | 5.0M shares | 5.0M shares | |
| Preferred stock, shares issued | 0 shares | 0 shares | ||
| Preferred stock, shares outstanding | 0 shares | 0 shares | ||
| Common stock, par value | $0.00 | $0.00 | ||
| Common stock, shares authorized | 250.0M shares | 250.0M shares | ||
| Common stock, shares issued | 82.7M shares | 82.0M shares | ||
| Common stock, shares outstanding | 82.7M shares | 82.0M shares |
| Period ending | 2025-12-31 | 2024-12-31 | 2023-12-31 | 2022-12-31 |
|---|---|---|---|---|
| Cash and cash equivalents | $156.9M | $220.9M | ||
| Restricted cash | $1.7M | $394.0K | ||
| Accounts receivable, net of allowances of $4,172 and $1,265 | $35.3M | $109.1M | ||
| Inventories | $38.2M | $47.6M | ||
| Prepaid expenses and other current assets | $10.0M | $31.5M | ||
| Total current assets | $242.1M | $409.4M | ||
| Property, plant and equipment, net | $98.4M | $459.3M | ||
| Assets held for sale | $32.7M | |||
| Operating lease right-of-use assets | $18.0M | $20.9M | ||
| Finance lease right-of-use assets | $6.1M | |||
| Other long-term assets | $9.4M | $5.6M | ||
| Total assets | $406.7M | $895.1M | ||
| Accounts payable | $13.2M | $44.4M | ||
| Accrued expenses | $13.0M | $36.5M | ||
| Deferred revenue | $1.3M | $2.2M | ||
| Finance obligation for sale and leaseback transactions | $4.4M | $4.0M | ||
| Operating lease liabilities | $3.2M | $3.3M | ||
| Finance lease liabilities | $1.8M | |||
| Long term debt - current portion | $25.1M | $19.8M | ||
| Total current liabilities | $62.0M | $110.1M | ||
| Revolving line of credit | $14.3M | $42.1M | ||
| Long term debt | $65.5M | $95.0M | ||
| Finance obligation for sale and leaseback transactions long-term | $5.0M | $10.1M | ||
| Operating lease liabilities long-term | $21.1M | $23.1M | ||
| Finance lease liabilities long-term | $3.2M | |||
| Total liabilities | $171.2M | $280.4M | ||
| Common stock, $0.00001 par value; 250,000,000 shares authorized, 82,711,351 and 82,040,468 shares issued and outstanding at December 31, 2025 and December 31, 2024, respectively | $0 | $0 | ||
| Additional paid-in capital | $1.3B | $1.3B | ||
| Accumulated deficit | -$1.0B | -$660.2M | ||
| Total stockholders' equity | $235.5M | $614.7M | $488.1M | $447.4M |
| Total liabilities and stockholders' equity | $406.7M | $895.1M | ||
| Allowance for accounts receivable and contract assets | $4.2M | $1.3M | ||
| Preferred stock, par value | $0.00 | $0.00 | ||
| Preferred stock, shares authorized | 5.0M shares | 5.0M shares | 5.0M shares | |
| Preferred stock, shares issued | 0 shares | 0 shares | ||
| Preferred stock, shares outstanding | 0 shares | 0 shares | ||
| Common stock, par value | $0.00 | $0.00 | ||
| Common stock, shares authorized | 250.0M shares | 250.0M shares | ||
| Common stock, shares issued | 82.7M shares | 82.0M shares | ||
| Common stock, shares outstanding | 82.7M shares | 82.0M shares |
Cash flow is reported year to date, not quarter by quarter, so there are no separate quarterly figures.
Every line of the cash flow as filed: the last 3 fiscal years, latest first.4
| Period ending | 2025-12-31 | 2024-12-31 | 2023-12-31 |
|---|---|---|---|
| Net income (loss) | -$389.6M | $13.4M | -$45.8M |
| Depreciation | $45.2M | $22.5M | $15.3M |
| Accretion of interest on convertible note - related party | $7.1M | $4.4M | |
| Amortization of convertible note issuance costs | $24.0K | $37.0K | |
| Amortization of debt issuance costs | $3.6M | $1.1M | |
| Amortization of debt discount due to modification of convertible note - related party | $443.0K | $888.0K | |
| Loss on extinguishment of debt | $27.5M | ||
| Deferred financing costs written off | $1.8M | ||
| Provision for bad debt | $3.5M | $247.0K | -$93.0K |
| Stock-based compensation expense | $8.6M | $12.9M | $11.0M |
| Impairment of property, plant and equipment | $291.6M | $7.6M | |
| Loss on disposal of property, plant and equipment | $18.2M | ||
| Deferred taxes | -$416.0K | ||
| Reduction in the carrying amount of operating lease right-of-use assets | $3.5M | $1.9M | $2.9M |
| Accounts receivable | $70.3M | -$39.4M | -$12.6M |
| Inventories | $9.3M | -$8.4M | -$16.7M |
| Prepaid expenses and other assets | $18.2M | -$19.8M | -$7.4M |
| Accounts payable | -$19.5M | $7.3M | $4.6M |
| Accrued expenses | -$23.3M | $11.9M | $6.8M |
| Deferred revenue | -$940.0K | -$117.0K | -$3.5M |
| Operating lease and other liabilities | -$5.5M | -$2.5M | -$2.4M |
| Net cash provided by (used in) operating activities | $32.9M | $45.5M | -$42.6M |
| Capital expenditures | -$37.4M | -$86.3M | -$175.5M |
| Net cash used in investing activities | -$37.4M | -$86.3M | -$175.5M |
| Proceeds from employee stock option exercises | $1.7M | $10.4M | $1.7M |
| Payments made for employee restricted stock tax withholdings | -$765.0K | -$1.3M | -$420.0K |
| Fees and issuance costs from registered direct offering of common stock | -$28.0K | -$686.0K | -$623.0K |
| Proceeds from employee stock purchase plan | $176.0K | ||
| Fees and issuance costs from private placement of common stock | -$139.0K | ||
| Repayment of convertible note | -$150.0M | ||
| Repayment of term loan | -$26.0M | -$6.5M | |
| Proceeds from term loan | $125.0M | ||
| Issuance costs from term loan and revolving line of credit | -$5.8M | ||
| Proceeds from revolving line of credit | $43.0M | ||
| Repayment of revolving line of credit | -$28.0M | ||
| Proceeds from sale and leaseback transactions | $15.0M | ||
| Repayment of lease and other finance obligations | -$5.2M | -$868.0K | |
| Net cash (used in) provided by financing activities | -$58.1M | $122.0M | $75.5M |
| Net (decrease) increase in cash, cash equivalents and restricted cash | -$62.7M | $81.3M | -$142.6M |
| Interest paid | $12.2M | $7.0M | $1.0K |
| Income taxes paid | $4.1M | ||
| Right-of-use assets obtained in exchange for new operating lease liabilities | $24.0K | $5.1M | $10.4M |
| Capitalized Interest | $6.1M | ||
| Changes in accrued capital expenditures | -$11.7M | -$14.1M | -$8.2M |
No quarter-by-quarter statement was filed.
Corporate structure
ASPEN AEROGELS INC sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.
Major holders of ASPEN AEROGELS INC
- Wood River Capital, LLC Filed SCHEDULE 13D/A on ASPEN AEROGELS INC, latest Sep 24, 2026 (5 filings since Dec 7, 2022)
- NEEDHAM INVESTMENT MANAGEMENT LLC Filed SCHEDULE 13G/A on ASPEN AEROGELS INC, latest Aug 13, 2026 (2 filings since Feb 13, 2026)
- VANGUARD GROUP INC Filed SCHEDULE 13G/A on ASPEN AEROGELS INC, latest Mar 26, 2026 (3 filings since Nov 4, 2024)
- OAKTOP CAPITAL MANAGEMENT II, L.P. Filed SCHEDULE 13G/A on ASPEN AEROGELS INC, latest May 15, 2025 (3 filings since Feb 14, 2023)
- FMR LLC Filed SCHEDULE 13G/A on ASPEN AEROGELS INC, latest Feb 12, 2025 (2 filings since Nov 12, 2024)
- GEORGE KAISER FAMILY FOUNDATION Filed SC 13G/A on ASPEN AEROGELS INC, latest Oct 22, 2024
- BlackRock Filed SC 13G on ASPEN AEROGELS INC, latest Jan 31, 2024
- Encompass Capital Advisors LLC Filed SC 13G/A on ASPEN AEROGELS INC, latest Feb 14, 2023 (2 filings since Jul 8, 2022)
- Telemark Asset Management, LLC Filed SC 13G/A on ASPEN AEROGELS INC, latest Feb 3, 2023 (3 filings since Jan 28, 2022)
- SPRING CREEK CAPITAL LLC Filed SC 13D/A on ASPEN AEROGELS INC, latest May 3, 2022 (4 filings since Feb 9, 2022)
- ASPEN AEROGELS INC Northborough, Massachusetts
Built from major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
What it owns
What ASPEN AEROGELS INC reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.
Property and equipment
| Item | Latest | A year before | Change |
|---|---|---|---|
| Property and equipment, before depreciation | $294.2M4 Dec 31, 2025 | $616.0M4 Dec 31, 2024 | −52.2% |
| Accumulated depreciation | $195.8M4 Dec 31, 2025 | $156.7M4 Dec 31, 2024 | +24.9% |
| Property and equipment, net | $98.4M4 Dec 31, 2025 | $459.3M4 Dec 31, 2024 | −78.6% |
| Finance-lease assets | $6.1M4 Dec 31, 2025 | ||
| Operating-lease assets (leased space) | $18.0M4 Dec 31, 2025 | $20.9M4 Dec 31, 2024 | −13.6% |
Investments
| Item | Latest | A year before | Change |
|---|---|---|---|
| Cash and cash equivalents | $156.9M4 Dec 31, 2025 | $220.9M4 Dec 31, 2024 | −29.0% |
Inventory
| Item | Latest | A year before | Change |
|---|---|---|---|
| Inventory, total | $38.2M4 Dec 31, 2025 | $47.6M4 Dec 31, 2024 | −19.6% |
| Raw materials | $8.2M4 Dec 31, 2025 | $13.7M4 Dec 31, 2024 | −40.2% |
| Work in process | $5.5M4 Dec 31, 2025 | $9.7M4 Dec 31, 2024 | −42.9% |
| Finished goods | $24.5M4 Dec 31, 2025 | $24.2M4 Dec 31, 2024 | +1.4% |
Properties, in its own words
Our corporate headquarters are located in Northborough, Massachusetts, where we occupy approximately 51,650 square feet under a lease expiring on December 31, 2031. We also own an approximately 148,000 square foot manufacturing facility in East Providence, Rhode Island. We lease additional spaces for research, administrative, manufacturing, and warehousing purposes in four
locations in the United States and two locations in Mexico under leases expiring between July 31, 2026 and April 30, 2034. The table below shows a summary of the square footage of these locations as of December 31, 2025:
The rest of Item 2
Leased Properties by Location
(In square ft.)
East Providence, RI · 196,969
Marlborough, MA · 58,965
Monterrey, MX · 266,381
Northborough, MA · 51,650
Statesboro, GA · 53,015
Item 2 of the 10-K filed Mar 13, 2026.3
Leadership
Who has led ASPEN AEROGELS INC, and when. Pick a name to see everywhere that person has worked.
Chief financial officer
Chief operating officer
- Chief financial officerGrant Douglas Thoele Oct 2, 2025 to now12
- Chief financial officerRicardo C. Rodriguez Apr 1, 2022 to Mar 11, 202513
- Chief financial officerJohn F. Fairbanks Jun 12, 2014 to Mar 1, 202214
- Chief operating officerGregg Landes Mar 10, 2026 to now15
Board members and other officers (21)
- CAO, GC & Corp SecretaryGlenn E. Deegan Sep 25, 2025 to now16
- Chief Human Resources OfficerStephanie Pittman Sep 5, 2023 to now17
- Chief Accounting OfficerSanthosh P. Daniel Sep 14, 2023 to now18
- VP, Innovation & Strategic DevGregg Landes Mar 2, 2018 to now19
- Vice President,Human ResourcesKelley Conte Mar 3, 2016 to Jun 2, 202320
- SVP, Sales and MarketingCorby C. Whitaker Jun 12, 2014 to now21
- VP, Research and DevelopmentGeorge L. Gould Jun 12, 2014 to Feb 25, 202222
- Board memberCari Robinson Aug 16, 2024 to now23
- Board memberJames E. Sweetnam Aug 3, 2022 to now24
- Board memberKathleen Kool Nov 3, 2022 to now25
- Board memberRebecca Blalock Jun 17, 2016 to May 31, 202426
- Board memberDavid J. Prend Jun 12, 2014 to Jun 20, 201427
- Board memberMark L. Noetzel Jun 12, 2014 to May 31, 202428
- Board memberP. Ramsay Battin Jun 12, 2014 to Jun 18, 201529
- Board memberRichard F. Reilly Jun 12, 2014 to Jun 6, 202230
- Board memberRobert M. Gervis Jun 12, 2014 to Jun 6, 202231
- Board memberSteven R. Mitchell Jun 12, 2014 to now32
- Board memberCraig A. Huff Jun 13, 2014 to Jun 16, 201733
- Board memberWilliam P. Noglows Jun 20, 2014 to now34
- Board memberDaniel H. Stern Dec 22, 2014 to Dec 22, 201435
- General counselVirginia Johnson May 24, 2022 to now36
Named in SEC Form D filings
People the company listed in its private-offering notices.
Timeline
- Sep 15, 20268-K Regulation FD disclosure38
- Aug 6, 20268-K Results of operations; Regulation FD disclosure39
- May 18, 20268-K Executive or director change; Shareholder vote; Regulation FD disclosure40
- May 7, 20268-K Results of operations; Regulation FD disclosure41
- Apr 21, 20268-K Regulation FD disclosure; Other events42
- Feb 25, 20268-K Results of operations; Regulation FD disclosure43
- Dec 18, 20258-K Entered a material agreement; Regulation FD disclosure44
- Nov 6, 20258-K Results of operations; Regulation FD disclosure45
- Sep 11, 20258-K Executive or director change46
- Aug 7, 20258-K Results of operations; Regulation FD disclosure47
- May 8, 20258-K Results of operations; Regulation FD disclosure48
- May 1, 20258-K Executive or director change; Shareholder vote49
Calendar
Coming up
- Nov 5, 2026Reports results for the quarter ending Sep/2026 A year earlier it reported ($0.06) a share, on Nov 6, 2025.50
When it reported results
- Aug 6, 2026Reported quarterly or annual results39
- May 7, 2026Reported quarterly or annual results41
- Feb 25, 2026Reported quarterly or annual results43
- Nov 6, 2025Reported quarterly or annual results45
- Aug 7, 2025Reported quarterly or annual results47
- May 8, 2025Reported quarterly or annual results48
- Feb 12, 2025Reported quarterly or annual results51
- Nov 6, 2024Reported quarterly or annual results52
Upcoming dates from Nasdaq's calendar; past results from the company's 8-K filings (Item 2.02). The full markets calendar
Filings
379 filings to the SEC since October 2021: 6 annual reports, 15 quarterly reports, 72 major events, 201 insider forms, 26 large holders, 2 private raises, 57 other. The latest 20:
- Oct 1, 20264 EDGAR
- Sep 24, 2026SCHEDULE 13D/A EDGAR
- Sep 24, 20264 EDGAR
- Sep 15, 20268-K EDGAR
- Aug 13, 2026SCHEDULE 13G/A EDGAR
- Aug 10, 2026144 EDGAR
- Aug 7, 202610-Q EDGAR
- Aug 6, 20268-K EDGAR
- Jun 26, 20264 OWNERSHIP DOCUMENT EDGAR
- May 18, 20268-K EDGAR
- May 14, 20264 EDGAR
- May 14, 20264 EDGAR
- May 14, 20264 EDGAR
- May 14, 20264 EDGAR
- May 14, 20264 EDGAR
- May 8, 202610-Q EDGAR
- May 7, 20268-K EDGAR
- Apr 21, 20268-K EDGAR
- Mar 27, 2026ARS EDGAR
- Mar 27, 2026DEFA14A EDGAR
The 379 filings since October 2021 can be filtered by form type and year here when JavaScript is on.
Every filing from the last five years, summarized. The full record is on SEC EDGAR.
Insider trades
30 open-market trades by officers, directors and large owners since October 2021: 10 buys and 20 sales. Grants, option exercises and gifts are left out.
| Date | Who | Trade | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | Wood River Capital, LLC | Sale | 12,280,426 | $4.73 | $58.1M | Form 4 |
| Nov 13, 2025 | Young Donald RPresident and CEO | Sale | 56,845 | $3.23 | $183.6K | Form 4 |
| Aug 13, 2025 | Daniel Santhosh PChief Accounting Officer | Sale | 2,000 | $7.54 | $15.1K | Form 4 |
| Aug 12, 2025 | Daniel Santhosh PChief Accounting Officer | Sale | 4,410 | $7.31 | $32.2K | Form 4 |
| May 12, 2025 | Young Donald RPresident and CEO | Buy | 20,000 | $5.35 | $107.0K | Form 4 |
| Sep 30, 2024 | Young Donald RPresident and CEO | Sale | 63,355 | $30.03 | $1.9M | Form 4 |
| Aug 26, 2024 | RODRIGUEZ RICARDO C.CFO & Treasurer | Sale | 32,465 | $30.14 | $978.4K | Form 4 |
| May 29, 2024 | Young Donald RPresident and CEO | Sale | 176,746 | $29.38 | $5.2M | Form 4 |
| May 28, 2024 | Young Donald RPresident and CEO | Sale | 256,944 | $29.24 | $7.5M | Form 4 |
| May 22, 2024 | Kool KathleenDirector | Sale | 4,470 | $27.30 | $122.0K | Form 4 |
| May 14, 2024 | KOCH INDUSTRIES INC | Sale | 3,500,000 | $23.50 | $82.2M | Form 4 |
| May 13, 2024 | SCHILLING KEITH LSVP, Technology | Sale | 20,000 | $26.84 | $536.9K | Form 4 |
| May 6, 2024 | Whitaker Corby CChief Commercial Officer | Sale | 55,159 | $25.01 | $1.4M | Form 4 |
| May 6, 2024 | Landes GreggChief Operating Officer | Sale | 48,386 | $25.39 | $1.2M | Form 4 |
| Nov 20, 2023 | Landes GreggChief Operating Officer | Sale | 155 | $11.01 | $1.7K | Form 4 |
| Sep 7, 2023 | Mitchell Steven RDirector | Buy | 7,541 | $6.50 | $49.0K | Form 4 |
| Sep 5, 2023 | Mitchell Steven RDirector | Buy | 50,000 | $6.17 | $308.5K | Form 4 |
| Aug 22, 2023 | Noetzel Mark LDirector | Buy | 4,000 | $5.65 | $22.6K | Form 4 |
| Aug 8, 2023 | Young Donald RPresident and CEO | Buy | 25,000 | $6.83 | $170.8K | Form 4 |
| Dec 6, 2022 | SWEETNAM JAMES EDirector | Buy | 2,700 | $11.30 | $30.5K | Form 4 |
All 30 trades can be filtered by person here when JavaScript is on.
From Forms 4 filed with the SEC.
Major holders
Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.
- Wood River Capital, LLCSCHEDULE 13D/A, 5 filings Dec 7, 2022 to Sep 24, 202653
- NEEDHAM INVESTMENT MANAGEMENT LLCSCHEDULE 13G/A, 2 filings Feb 13, 2026 to Aug 13, 202654
- VANGUARD GROUP INCSCHEDULE 13G/A, 3 filings Nov 4, 2024 to Mar 26, 202655
- OAKTOP CAPITAL MANAGEMENT II, L.P.SCHEDULE 13G/A, 3 filings Feb 14, 2023 to May 15, 202556
- FMR LLCSCHEDULE 13G/A, 2 filings Nov 12, 2024 to Feb 12, 202557
- GEORGE KAISER FAMILY FOUNDATIONSC 13G/A, 1 filing Oct 22, 202458
- BlackRockSC 13G, 1 filing Jan 31, 202459
- Encompass Capital Advisors LLCSC 13G/A, 2 filings Jul 8, 2022 to Feb 14, 202360
- Telemark Asset Management, LLCSC 13G/A, 3 filings Jan 28, 2022 to Feb 3, 202361
- SPRING CREEK CAPITAL LLCSC 13D/A, 4 filings Feb 9, 2022 to May 3, 202262
Executive pay
What the company paid its top executives, from the summary compensation table in its proxy statement. Total pay includes salary, bonus, stock and option awards and other pay, as the company valued them.
| Year | Executive | Age | Salary | Total pay |
|---|---|---|---|---|
| 2025 | Donald R. Young | 68 | $577.1K | $2.7M63 |
| 2025 | Ricardo C. Rodriguez | $312.3K | $2.5M63 | |
| 2025 | Virginia H. Johnson | $190.4K | $1.9M63 | |
| 2025 | Keith L. Schilling | $192.3K | $1.8M63 | |
| 2025 | Corby C. Whitaker | 56 | $440.0K | $1.4M63 |
| 2025 | Gregg R. Landes | 56 | $410.8K | $1.4M63 |
| 2025 | Grant D. Thoele | 38 | $347.7K | $943.3K63 |
| 2025 | Glenn E. Deegan | 59 | $106.2K | $470.4K63 |
| 2024 | President and Chief ExecutiveOfficer | $515.0K | $3.1M63 | |
| 2024 | Former Chief Legal OfficerGeneral Counsel and Corporate Secretary | $450.0K | $1.6M63 | |
| 2024 | Chief Commercial Officer | $429.2K | $1.6M63 | |
| 2024 | Chief Operating Officer | $400.0K | $1.5M63 | |
| 2024 | Former Chief Financial Officerand Treasurer | $400.0K | $1.5M63 | |
| 2023 | President and Chief ExecutiveOfficer | $515.0K | $3.6M63 | |
| 2023 | Former Chief Legal OfficerGeneral Counsel and Corporate Secretary | $450.0K | $1.9M63 | |
| 2023 | Chief Commercial Officer | $400.0K | $1.8M63 | |
| 2023 | Chief Operating Officer | $400.0K | $1.8M63 | |
| 2023 | Former Chief Financial Officerand Treasurer | $386.5K | $1.8M63 |
Money raised
Private offerings the company reported to the SEC on Form D.
Held by these funds
The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 100. Change is in shares since the quarter before.
| Fund | Shares | Value | Share of the fund | Change |
|---|---|---|---|---|
| Kim, LLC | 12,280,426 | $77.9M | 22.2% | No change |
| BlackRock, Inc. | 5,277,148 | $33.5M | 0.0% | +534,072 |
| Oaktop Capital Management Ii, L.P. | 5,168,674 | $32.8M | 1.4% | No change |
| Vanguard Capital Management LLC | 3,539,271 | $22.4M | 0.0% | +103,115 |
| Needham Investment Management LLC | 3,260,800 | $20.7M | 0.6% | −1,257,975 |
| George Kaiser Family Foundation | 3,167,322 | $20.1M | 1.9% | No change |
| State Street Corp | 2,559,495 | $16.2M | 0.0% | +238,768 |
| American Century Companies Inc | 2,510,042 | $15.9M | 0.0% | +1,262,259 |
| Jacobs Levy Equity Management, Inc | 2,058,083 | $13.0M | 0.0% | +839,304 |
| Ameriprise Financial Inc | 1,821,295 | $11.5M | 0.0% | +314,916 |
| Geode Capital Management, LLC | 1,770,425 | $11.2M | 0.0% | +229,654 |
| Rice Hall James & Associates, LLC | 1,635,259 | $10.4M | 0.5% | +82,631 |
| Invesco Ltd. | 1,619,972 | $10.3M | 0.0% | −678,211 |
| Gagnon Securities LLC | 1,535,812 | $9.7M | 1.9% | −326,039 |
| Dimensional Fund Advisors LP | 1,447,333 | $9.2M | 0.0% | +190,853 |
| Goldman Sachs Group Inc | 1,372,300 | $8.7M | 0.0% | +472,787 |
| Royce & Associates LP | 1,323,218 | $8.4M | 0.1% | +336,705 |
| Aqr Capital Management LLC | 1,276,346 | $8.1M | 0.0% | +750,227 |
| Millennium Management LLC | 1,190,616 | $7.5M | 0.0% | −214,059 |
| Marshall Wace, Llp | 1,146,707 | $7.3M | 0.0% | −116,395 |
| D. E. Shaw & Co., Inc. | 1,066,501 | $6.8M | 0.0% | +232,929 |
| Telemark Asset Management, LLC | 1,000,000 | $6.3M | 0.5% | No change |
| Jpmorgan Chase & Co | 1,004,383 | $6.0M | 0.0% | +38,891 |
| Bnp Paribas Financial Markets | 867,199 | $5.5M | 0.0% | +169,267 |
| Two Sigma Investments, LP | 779,468 | $4.9M | 0.0% | +338,032 |
13F reports cover disclosed long positions in U.S. stocks only.
SEC filer profile
How ASPEN AEROGELS INC is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.
- Name on EDGARASPEN AEROGELS INC1
- CIK0001145986
- Employer ID (EIN)04-35599723
- Filer statusAccelerated filer not an emerging growth company; not a smaller reporting company; not a shell company3
- Incorporated inDelaware3
- Fiscal year endsDecember 311
- Industry code (SIC)5030 Wholesale-Lumber & Other Construction Materials1
- SEC reviewing officeOffice of Trade & Services, Division of Corporation Finance1
- Business address30 Forbes Road, Building B, Northborough, MA 015321
- Phone50869111111
- Shares outstanding82,988,784 as of Aug 4, 202610
- Public float$480.0M as of Jun 30, 20253
- AuditorKPMG LLP, Boston, MA, United States of America PCAOB ID 185; it also attests to the company’s internal control over financial reporting3
- On EDGAR sinceFeb 5, 20021
- Filings866 in all: 4 (410), 8-K (148), 10-Q (37), 3 (31), SC 13G/A (30), SC 13G (17), DEFA14A (15), 10-K (12)1
All 46 form types
DEF 14A (12), S-8 (12), 4/A (11), UPLOAD (11), 424B5 (10), CORRESP (10), 144 (9), D (8), EFFECT (8), S-1/A (8), SC 13D/A (8), REGDEX (6), S-3 (6), ARS (5), SCHEDULE 13G/A (5), REGDEX/A (4), CT ORDER (3), D/A (3), FWP (3), 424B3 (2), PRE 14A (2), S-1 (2), S-3ASR (2), SC 13D (2), 10-K/A (1), 3/A (1), 305B2 (1), 424B4 (1), 5 (1), 8-A12B (1), CERTNYS (1), DRS (1), POS AM (1), POSASR (1), RW (1), S-1MEF (1), SCHEDULE 13D/A (1), SCHEDULE 13G (1)
- Latest filingsAnnual report (10-K) Mar 13, 2026
Quarterly report (10-Q) Aug 7, 2026
Proxy statement (DEF 14A) Mar 27, 2026
Latest 8-K (8-K) Sep 15, 2026
Securities registered for trading
| Class | Symbol | Exchange |
|---|---|---|
| Common Stock, par value $0.00001 per share | ASPN | New York Stock Exchange |
From the cover page of the 10-K filed Mar 13, 2026 (Section 12(b) of the Exchange Act).3
Risk factors and legal proceedings
The risks ASPEN AEROGELS INC names in Item 1A of its 10-K filed Mar 13, 2026: 59 risks under these headings, as written.3
- Risks Related to Our Business and Strategy
- We previously incurred annual net losses, and we may incur net losses in the future and may never reach profitability.
- We will require additional capital to pursue our growth strategy, but we may not be able to obtain additional financing on acceptable terms or at all.
- While we achieved positive operating cash flows for the fiscal years ended December 31, 2025 and 2024, our ability to continue generating positive cash flow is uncertain.
- Our ability to use our net operating loss carryforwards may be subject to limitation, which could result in a higher effective tax rate and adversely affect our financial condition and results of operations.
- The terms of our Credit Agreement with MidCap require us to meet certain operating and financial covenants and/or place restrictions on our operating and financial flexibility. If we raise additional capital through debt financing, the terms of any new debt could further restrict our ability to operate our business.
- Our efforts in developing, selling, and supplying products in the EV market may subject us to increased financial, operational, and legal risks that could materially adversely impact our business, financial conditions, and results of operations and may also increase our costs and make it difficult for us to operate profitably.
- Our estimates regarding market opportunity for our products in the EV market and the assumptions on which our financial targets are based may prove to be inaccurate, which may cause our actual results to materially differ from such targets, which may adversely affect our future profitability, cash flows, and stock price.
- Our working capital requirements involve estimates based on demand and production expectations and may decrease or increase beyond those currently anticipated, which could materially harm our results of operations and financial condition.
- Automotive OEM Customer Relationship Risks
- Our relationships with automotive OEM customers involve multiple interconnected risks that could materially adversely impact our business, revenues, and profitability. These risks include but are not limited to being party to contracts without minimum commitments, pricing pressures, and cost reduction initiatives, selection of cell chemistries, battery pack system architectures, and customer market share and production declines.
- Our success in the EV market is dependent upon consumers’ willingness to purchase and use EVs and demand for EVs generally.
The other 49 risks
- Failure by us to develop, maintain and strengthen strategic relationships with industry leaders to commercialize our products in the EV market may adversely affect our results of operations and our ability to grow our business.
- We are currently dependent on a single manufacturing facility located in East Providence, RI, as well as our third-party external manufacturing facilities in China. Any significant disruption to these facilities or the failure of any one of our three production lines in our East Providence, RI facility to operate according to our expectation could have a material adverse effect on our business and results of operations.
- We have engaged third-party external manufacturing facilities in China to supplement our supply of our aerogel products. Our reliance on these external manufacturing facilities subjects us to operational, quality, regulatory, and geopolitical risks that could disrupt our supply chain, harm our reputation, and adversely affect our business operations.
- We may encounter manufacturing challenges in the EV market.
- From time to time, we have had difficulty in consistently producing products that meet applicable product specifications and technical and delivery requirements, and such difficulties could expose us to financial, contractual, or other liabilities.
- A substantial portion of our revenue comes from sales in foreign countries, and we are planning to further expand our operations outside of the United States, which subjects us to increased economic, trade, foreign exchange, operational, and political risks that could materially adversely impact our business, financial conditions and results of operations and also increase our costs and make it difficult for us to operate profitably.
- Inadequate funding for the SEC and other government agencies, or a work slowdown or stoppage at those agencies as part of a broader federal government shutdown, could hinder their ability to hire and retain key leadership and other personnel, prevent new products and services from being developed or commercialized in a timely manner, or otherwise prevent those agencies from performing normal business functions on which the operation of our business may rely, which could negatively impact our business.
- Changes in U.S. trade policy and the impact of tariffs may have a material adverse effect on our business, results of operations and financial condition. Changes in the U.S. regulatory framework may also impact EV demand, which could have a material adverse effect on our business, results of operations and financial condition.
- Shortages of the raw materials used in the production of our products, increases in the cost of such materials or disruptions in our supply chain could have a material adverse impact on our financial condition and results of operations.
- A sustained downturn in the energy industry, due to lower oil and gas prices or reduced energy demand, could decrease demand for some or all of our products and services, which could have a material adverse effect on our business, financial condition and results of operations.
- The market for insulation products incorporating aerogel blankets is relatively undeveloped and our products may never be widely adopted, which would have a material adverse effect on our business.
- Our products are expensive relative to other insulation products, which could make it more difficult for us to grow our revenue and achieve broader adoption of our aerogel products.
- The insulation markets we serve are highly competitive. If we are unable to compete successfully, we may not be able to increase or maintain our market share and revenues.
- We have entered into and may enter into future agreements that may limit our ability to broadly market our products or could involve future obligations, which could make it more difficult for us to commercialize certain of our products and negatively affect our business and results of operations.
- We may not be able to successfully develop and introduce new products in a timely manner at competitive prices, which would limit our ability to grow and maintain our competitive position and could adversely affect our financial conditions, results of operations and cash flow.
- If we do not continue to develop and maintain distribution channels for our products and to meet our customers’ demand for our products, our results of operations could be adversely affected.
- The qualification process for our products can be lengthy and unpredictable, potentially delaying adoption of our products and causing us to incur significant expense potentially without recovery.
- Our revenue may fluctuate, which may result in a high degree of variability in our results of operations and make it difficult for us to plan based on our future outlook and to forecast our future performance, and the results of our operations could be materially adversely affected if our operating expenses incurred do not correspond with the timing of our revenues.
- We are exposed to the credit risk of some of our direct customers, including distributors, contractors and OEMs, which subjects us to the risk of non-payment for our products.
- If we are unable to maintain our technological advantage over our competitors, our business may be materially adversely affected.
- Negative perceptions regarding the safety, quality or other attributes of our products or a failure or a perceived failure of our products could have a material adverse effect on our results of operations and could make us unable to continue our business.
- Trends in adoption of cathode chemistries may adversely affect the adoption of silicon-rich carbon aerogels that we are developing for use in anodes.
- We or the third parties upon which we depend may be adversely affected by general political, unstable market and economic conditions and other events beyond our control and our business continuity and disaster recovery plans may not adequately protect us from a serious disaster.
- Adverse developments affecting the financial services industry, such as actual events or concerns involving liquidity, defaults or non-performance by financial institutions or transactional counterparties, could adversely affect our current and projected business operations and our financial condition and results of operations.
- Regulation of greenhouse gas emissions could reduce demand for hydrocarbon products and lead to a sustained downturn in the energy industry, which could decrease demand for our products and have a material adverse effect on our business, financial condition and results of operation.
- Employee strikes and labor-related disruptions involving us or one or more of our automotive OEM customers or suppliers may adversely affect our operations.
- If we lose key personnel upon whom we are dependent, or if we are unable to successfully recruit and retain skilled employees, we may not be able to manage our operations and meet our strategic objectives.
- Because of our significant international operations, we could be materially adversely affected by violations of the U.S. FCPA and similar anti-corruption, anti-bribery, and anti-kickback laws.
- A failure to comply with export control or economic sanctions laws and regulations could have a material adverse impact on our business, results of operations or financial condition. We may be unable to ensure that our distributors comply with applicable sanctions and export control laws.
- Our activities and operations are subject to numerous health and safety laws and regulations. If we violate such regulations, we could face penalties and fines or be required to curtail or cease operations.
- We may face certain product liability or warranty claims on our products, including from improper installation of our products by third parties. As a consequence, we could lose existing and future business and our ability to develop, market and sell our insulation could be harmed.
- We may incur significant costs complying with environmental, health and safety laws, and related claims, and failure to comply with these laws and regulations could expose us to significant liabilities, which could materially adversely affect our results of operations.
- Breakdowns, security breaches, loss of data, and other disruptions of our information technology systems could compromise sensitive information related to our business, prevent us from accessing critical information, and expose us to liability, which would cause our business and reputation to suffer.
- Risks Related to Our Intellectual Property
- Our inability to protect our intellectual property rights could negatively affect our business and results of operations.
- Our potential inability to adequately protect our intellectual property as a result of engaging external manufacturing facilities in China for the supplemental supply of our aerogel products could negatively impact our performance.
- We have in the past initiated intellectual property litigation and any future intellectual property litigation may be costly, and could limit or invalidate our intellectual property rights, divert time and efforts away from business operations, require us to pay damages and/or costs and expenses and/or otherwise have a material adverse impact on our business, and we could become subject to additional such intellectual property litigation in the future.
- Patents covering technologies that are similar or superior to our technologies may be developed or obtained by third parties. We may need to seek licenses to these technologies, which could limit our ability to manufacture our products and have a material adverse effect on our business and results of operations.
- Our contracts with third parties could negatively affect our intellectual property rights.
- We rely on trade secrets to protect our technology, and our failure to obtain or maintain trade secret protection could materially adversely affect our competitive business position.
- Risks Related to Our Data Privacy and Other Personal Information
- We may be subject to, or may in the future become subject to, U.S. federal and state, and foreign laws and regulations imposing obligations on how we collect, use, disclose, store, and process personal information. Our actual or perceived failure to comply with such obligations could result in liability or reputational harm and could harm our business. Ensuring compliance with such laws could also impair our efforts to maintain and expand our customer base, and thereby decrease our revenue.
- Risks Related to Our Common Stock
- We have incurred and will continue to incur increased costs and demands upon management as a result of complying with the laws and regulations affecting public companies in the United States, which may adversely affect our results of operations.
- Because we are a public company, we are obligated to develop and maintain proper and effective internal control over financial reporting. If our internal controls over financial reporting are determined to be ineffective, or if our auditors are otherwise unable to attest to their effectiveness, investor confidence in our company, and our common stock price, may be adversely affected.
- The trading market in our common stock has been limited and substantially less liquid than the average trading market for a stock quoted on The New York Stock Exchange.
- We expect that the price of our common stock will continue to fluctuate substantially, which could subject us to securities class action litigation and result in substantial losses to our stockholders.
- Securities analysts may not continue coverage of our common stock or may issue negative reports, which may have a negative impact on the market price of our common stock.
- Anti-takeover provisions in our Certificate of Incorporation and restated bylaws, and Delaware law, could delay or discourage a takeover.
- Our restated certificate of incorporation designates a state or federal court located within the State of Delaware as the exclusive forum for certain types of actions and proceedings that may be initiated by our stockholders, which could limit our stockholders’ ability to obtain a favorable judicial forum for disputes with us or our directors, officers or employees.
- Our stockholders may experience future dilution as a result of future equity offerings.
- We do not intend to pay cash dividends in the foreseeable future and, consequently, our stockholders’ ability to achieve a return on their investment will depend on appreciation in the price of our common stock.
Legal proceedings
Patent Enforcement Actions Initiated by Aspen
The opening of Item 3, Legal Proceedings.3
Sources
The numbers on this page point here. Each one links to the record it came from.
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- 23SEC EDGARCari Robinson, Board member
- 24SEC EDGARJames E. Sweetnam, Board member
- 25SEC EDGARKathleen Kool, Board member
- 26SEC EDGARRebecca Blalock, Board member
- 27SEC EDGARDavid J. Prend, Board member
- 28SEC EDGARMark L. Noetzel, Board member
- 29SEC EDGARP. Ramsay Battin, Board member
- 30SEC EDGARRichard F. Reilly, Board member
- 31SEC EDGARRobert M. Gervis, Board member
- 32SEC EDGARSteven R. Mitchell, Board member
- 33SEC EDGARCraig A. Huff, Board member
- 34SEC EDGARWilliam P. Noglows, Board member
- 35SEC EDGARDaniel H. Stern, Board member
- 36SEC EDGARVirginia Johnson, General counsel
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- 38SEC EDGARRegulation FD disclosure
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- 46SEC EDGARExecutive or director change
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- 50NasdaqNasdaq calendar
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