ASPEN AEROGELS, INC.
30 Forbes Road, Building B
Northborough, MA 01532
November 16, 2017
VIA EDGAR
United States Securities and Exchange Commission
Division of Corporation Finance
100 F Street, N.E.
Washington, D.C. 20549
| RE: | Aspen Aerogels, Inc. |
Registration Statement on FormS-3
Filed November 8, 2017
FileNo. 333-221403
Request for Acceleration
Ladies and Gentlemen:
With respect to the above-referenced Registration Statement on FormS-3 (the “Registration Statement”), and pursuant to Rule 461 of Regulation C promulgated under the Securities Act of 1933, as amended, the undersigned hereby respectfully requests, on behalf of Aspen Aerogels, Inc. (the “Company”), that the Securities and Exchange Commission (the “Commission”) accelerate the effective date of the Registration Statement to Monday, November 20, 2017, at 4:00 p.m. Eastern Time, or as soon as practicable thereafter.
The cooperation of the staff in meeting the timetable described above is very much appreciated.
Please call John Rudy of Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C., counsel to the Company, at (617)348-3050, with any comments or questions regarding the Registration Statement.
[Signature page follows]
Very truly yours,
ASPEN AEROGELS, INC. |
| /s/ John F. Fairbanks |
John. F. Fairbanks Vice President, Chief Financial Officer and Treasurer |
| cc: | Sahir Surmeli, Esq.Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C. |
John Condon, Esq.,Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.
