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SC 13G/A

Amended Statement of Ownership

ASPEN AEROGELS INC Filed 2021-09-09 Acc 0000834237-21-008978

Documents 1

SC 13G/A Amended Statement of Ownership , us04523y1055_090921.txt

Around this filing

2022-01-28 SC 13G/A Amended Statement of Ownership
2021-09-16 CORRESP Correspondence Between Filers and SEC Staff
2021-09-15 UPLOAD SEC-generated Letter
2021-09-10 S-3 Registration Statement
2021-09-09 SC 13G/A Amended Statement of Ownership
2021-02-12 SC 13G/A Amended Statement of Ownership

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