ASPEN AEROGELS INC (ASPN) Form 8-K Material Events
ASPEN AEROGELS INC (ASPN) is a publicly traded company on the NYSE, categorized under SIC 5030 (Wholesale-Lumber & Other Construction Materials). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: ASPN
CIK: 1145986
Exchange: NYSE
SIC 5030: Wholesale-Lumber & Other Construction Materials
Fiscal Year End: 12/31
State: DE
Independent PCAOB Auditor
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Audit Firm
KPMG LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerSuzanne St. George
Audit LocationBoston, Massachusetts, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 4 | 2026-10-01 | 2026-09-30 | 4 | 0001193125-26-410794 | View SEC Doc Filr Page |
| SCHEDULE 13D/A | 2026-09-24 | — | SCHEDULE 13D/A Filing | 0001193125-26-401393 | View SEC Doc Filr Page |
| 4 | 2026-09-24 | 2026-09-23 | 4 | 0001193125-26-401380 | View SEC Doc Filr Page |
| 8-K | 2026-09-15 | 2026-09-15 | FORM 8-K | 0001171843-26-006048 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-13 | — | SCHEDULE 13G/A Filing | 0000919574-26-005154 | View SEC Doc Filr Page |
| 144 | 2026-08-10 | — | 144 Filing | 0001950047-26-007871 | View SEC Doc Filr Page |
| 10-Q | 2026-08-07 | 2026-06-30 | 10-Q | 0001193125-26-340275 | View SEC Doc Filr Page |
| 8-K | 2026-08-06 | 2026-08-06 | FORM 8-K | 0001171843-26-005289 | View SEC Doc Filr Page |
| 4 | 2026-06-26 | 2026-06-23 | OWNERSHIP DOCUMENT | 0001104659-26-078273 | View SEC Doc Filr Page |
| 8-K | 2026-05-18 | 2026-05-12 | FORM 8-K | 0001171843-26-003511 | View SEC Doc Filr Page |
| 4 | 2026-05-14 | 2026-05-13 | 4 | 0001193125-26-224377 | View SEC Doc Filr Page |
| 4 | 2026-05-14 | 2026-05-13 | 4 | 0001193125-26-224375 | View SEC Doc Filr Page |
| 4 | 2026-05-14 | 2026-05-13 | 4 | 0001193125-26-224374 | View SEC Doc Filr Page |
| 4 | 2026-05-14 | 2026-05-13 | 4 | 0001193125-26-224373 | View SEC Doc Filr Page |
| 4 | 2026-05-14 | 2026-05-13 | 4 | 0001193125-26-224372 | View SEC Doc Filr Page |
| 10-Q | 2026-05-08 | 2026-03-31 | 10-Q | 0001193125-26-214672 | View SEC Doc Filr Page |
| 8-K | 2026-05-07 | 2026-05-07 | FORM 8-K | 0001171843-26-003109 | View SEC Doc Filr Page |
| 8-K | 2026-04-21 | 2026-04-21 | FORM 8-K | 0001171843-26-002620 | View SEC Doc Filr Page |
| ARS | 2026-03-27 | 2025-12-31 | ARS | 0001193125-26-129482 | View SEC Doc Filr Page |
| DEFA14A | 2026-03-27 | — | DEFA14A | 0001193125-26-129357 | View SEC Doc Filr Page |
| DEF 14A | 2026-03-27 | 2026-05-13 | DEF 14A | 0001193125-26-129161 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-03-26 | — | SCHEDULE 13G/A Filing | 0000102909-26-000744 | View SEC Doc Filr Page |
| 10-K/A | 2026-03-23 | 2025-12-31 | 10-K/A | 0001193125-26-119892 | View SEC Doc Filr Page |
| PRE 14A | 2026-03-13 | 2026-05-13 | PRE 14A | 0001193125-26-106471 | View SEC Doc Filr Page |
| 10-K | 2026-03-13 | 2025-12-31 | 10-K | 0001193125-26-106453 | View SEC Doc Filr Page |