<SUBMISSION>
<SECRELEASE-DATETIME> 20230316-160916 ⇐ Metadata from SEC Info (ET)
<SECWEBSITE-DATETIME> 20230316-160709 ⇐ Metadata from SEC Info (ET)
<ACCEPTANCE-DATETIME> 20230316-160622 ⇐ Filing accepted by SEC (ET)
<ACCESSION-NUMBER> 0001193125-23-072569
<TYPE> POSASR
<PUBLIC-DOCUMENT-COUNT> 10
<FILING-DATE> 20230316
<DATE-OF-FILING-DATE-CHANGE> 20230316
<EFFECTIVENESS-DATE> 20230316
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<FILER>
<COMPANY-DATA>
<CONFORMED-NAME> ASPEN AEROGELS INC
<CIK> 0001145986
<ASSIGNED-SIC> 5030
<IRS-NUMBER> 043559972 ⇒ 04-3559972
<STATE-OF-INCORPORATION> DE
<FISCAL-YEAR-END> 1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE> POSASR
<ACT> 33
<FILE-NUMBER> 333-263622
<FILM-NUMBER> 23738786
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1> 30 FORBES ROAD
<STREET2> BUILDING B
<CITY> NORTHBOROUGH
<STATE> MA
<ZIP> 01532
<PHONE> 5086911111
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1> 30 FORBES ROAD
<STREET2> BUILDING B
<CITY> NORTHBOROUGH
<STATE> MA
<ZIP> 01532
</MAIL-ADDRESS>
</FILER>
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<DOCUMENT>
<TYPE> POSASR
<SEQUENCE> 1
<FILENAME> d390490dposasr.htm
<DESCRIPTION> POSASR
<TEXT>
<HTML>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> EX-5.1
<SEQUENCE> 2
<FILENAME> d390490dex51.htm
<DESCRIPTION> EX-5.1
<TEXT>
<HTML>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> EX-23.1
<SEQUENCE> 3
<FILENAME> d390490dex231.htm
<DESCRIPTION> EX-23.1
<TEXT>
<HTML>
Show <HTML>: 22 lines (widest: 248 characters) - 2K bytes
</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> EX-FILING FEES
<SEQUENCE> 4
<FILENAME> d390490dexfilingfees.htm
<DESCRIPTION> EX-FILING FEES
<TEXT>
<HTML>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> GRAPHIC
<SEQUENCE> 5 ⇐ Not a Document/Exhibit
<FILENAME> g390490g0313173536428.jpg
<DESCRIPTION> GRAPHIC
<TEXT>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> GRAPHIC
<SEQUENCE> 6 ⇐ Not a Document/Exhibit
<FILENAME> g390490g0313173536584.jpg
<DESCRIPTION> GRAPHIC
<TEXT>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> GRAPHIC
<SEQUENCE> 7 ⇐ Not a Document/Exhibit
<FILENAME> g390490g12r47.jpg
<DESCRIPTION> GRAPHIC
<TEXT>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> GRAPHIC
<SEQUENCE> 8 ⇐ Not a Document/Exhibit
<FILENAME> g390490g30a04.jpg
<DESCRIPTION> GRAPHIC
<TEXT>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> GRAPHIC
<SEQUENCE> 9 ⇐ Not a Document/Exhibit
<FILENAME> g390490g30a38.jpg
<DESCRIPTION> GRAPHIC
<TEXT>
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</TEXT>
</DOCUMENT>
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<DOCUMENT>
<TYPE> GRAPHIC
<SEQUENCE> 10 ⇐ Not a Document/Exhibit
<FILENAME> g390490g30a63.jpg
<DESCRIPTION> GRAPHIC
<TEXT>
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</TEXT>
</DOCUMENT>
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</SUBMISSION> |
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