UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-36481 ASPEN AEROGELS, INC. (Exact name of registrant as specified in its charter) Delaware 04-3559972 (State or other jurisdicti ...

Aspen Aerogels, Inc. (NYSE:ASPN) Q2 2020 Earnings Conference Call July 30, 2020 5:00 PM ET Company Participants John Fairbanks – Chief Financial Officer Don Young – President and Chief Executive Officer Conference Call Participants Eric Stine – Craig-Hallum Amit Dayal – H.C. Wainwright Jed Dorsheimer – Canaccord Genuity Operator Ladies and gentlemen, thank you for standing by, and welcome to the Aspen Aerogels, Inc. 2Q 2020 Earnings Conference Call. At this time, all participants are in a listen-only mode. ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-36481 ASPEN AEROGELS, INC. (Exact name of registrant as specified in its charter) Delaware 04-3559972 (State or other jurisdict ...

Aspen Aerogels, Inc. (NYSE:ASPN) Q1 2020 Earnings Conference Call April 30, 2020 5:00 PM ET Company Participants John Fairbanks - Chief Financial Officer Don Young - President and Chief Executive Officer Conference Call Participants Eric Stine - Craig-Hallum Thomas Curran - B. Riley FBR Sameer Joshi - H.C. Wainwright Jed Dorsheimer - Canaccord Genuity Operator Ladies and gentlemen, thank you for standing by and welcome to the Aspen Aerogels Incorporated Q1 2020 Earnings Conference Call. [Operator Instructio ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-36481 ASPEN AEROGELS, INC. (Exact name of registrant as specified in its charter) Delaware 04-3559972 (State or other jurisdiction o ...

Aspen Aerogels, Inc. (NYSE:ASPN) Q4 2019 Earnings Conference Call February 20, 2020 5:00 PM ET Company Participants John Fairbanks - Chief Financial Officer Don Young - President & Chief Executive Officer Conference Call Participants Eric Stine - Craig-Hallum Chip Moore - Canaccord Thomas Curran - B. Riley FBR Amit Dayal - H.C. Wainwright Operator Ladies and gentlemen, thank you for standing by and welcome to the Aspen Aerogels Q4 Earnings Conference Call. At this time, all participants are in listen-only m ...