ASPEN AEROGELS, INC.
30 Forbes Road, Building B
Northborough, Massachusetts 01532
May 11, 2022
VIA EDGAR
U.S. Securities and Exchange Commission
Division of Corporation Finance
100 F Street, N.E.
Washington, D.C. 20549
Attention: Janice Adeloye
| Re: | Aspen Aerogels, Inc. |
Registration Statement on Form S-3
Filed May 4, 2022
File No. 333-264672 (the “Registration Statement”)
Acceleration Request
Ladies and Gentlemen:
In accordance with Rule 461 of the Rules and Regulations promulgated under the Securities Act of 1933, as amended, Aspen Aerogels, Inc. (the “Registrant”) hereby respectfully requests that the Securities and Exchange Commission accelerate the effective date of the above-referenced Registration Statement to Friday, May 13, 2022, at 4:00 p.m., Eastern Time, or as soon as thereafter practicable.
The cooperation of the staff in meeting the timetable described above is very much appreciated.
Please contact John T. Rudy of Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C., counsel to the Registrant, at (617) 348-3050 with any questions regarding this request.
| Very truly yours, |
| ASPEN AEROGELS, INC. |
/s/ Ricardo C. Rodriguez |
Ricardo C. Rodriguez Chief Financial Officer |
| cc: | Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. |
Sahir Surmeli, Esq.
