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ASPN

Aspen Aerogels Inc SEC filings
Wholesale-Lumber & Other Construction Materials · NYSE · Incorporated in DE
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Filing history
2026-11-06
Insider trade 4
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2026-11-06
New insider's holdings 3
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2026-11-05
Shelf registration (future share sales) S-3
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2026-11-05
Quarterly report 10-Q
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2026-11-05
Current report 8-K
Earnings resultsExec/director changeReg FD disclosure
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2026-10-19
Passive 5%+ stake SCHEDULE 13G
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2026-10-01
Insider trade 4
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2026-09-24
5%+ stake update (13D) SCHEDULE 13D/A
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2026-09-24
Insider trade 4
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2026-09-15
Current report 8-K
Reg FD disclosure
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2026-08-13
Passive 5%+ stake update SCHEDULE 13G/A
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2026-08-10
Planned insider sale 144
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2026-08-07
Quarterly report 10-Q
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2026-08-06
Current report 8-K
Earnings resultsReg FD disclosure
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2026-06-26
Insider trade 4
Filing ↗
2026-05-18
Current report 8-K
Exec/director changeShareholder voteReg FD disclosure
Filing ↗
2026-05-14
Insider trade 4
Filing ↗
2026-05-14
Insider trade 4
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2026-05-14
Insider trade 4
Filing ↗
2026-05-14
Insider trade 4
Filing ↗
2026-05-14
Insider trade 4
Filing ↗
2026-05-08
Quarterly report 10-Q
Filing ↗
2026-05-07
Current report 8-K
Earnings resultsReg FD disclosure
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2026-04-21
Current report 8-K
Reg FD disclosureOther event
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2026-03-27
Annual report to shareholders ARS
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2026-03-27
Proxy material DEFA14A
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2026-03-27
Proxy statement (shareholder vote) DEF 14A
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2026-03-26
Passive 5%+ stake update SCHEDULE 13G/A
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2026-03-23
Annual report (amended) 10-K/A
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2026-03-13
PRE 14A PRE 14A
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2026-03-13
Annual report 10-K
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2026-03-10
Insider trade 4
Filing ↗
2026-03-10
Insider trade 4
Filing ↗
2026-03-10
Insider trade 4
Filing ↗
2026-03-10
Insider trade 4
Filing ↗
2026-03-06
Insider trade 4
Filing ↗
2026-03-06
Insider trade 4
Filing ↗
2026-03-06
Insider trade 4
Filing ↗
2026-03-06
Insider trade 4
Filing ↗
2026-03-06
Insider trade 4
Filing ↗