0001209191-21-016014.txt : 20210302 0001209191-21-016014.hdr.sgml : 20210302 20210302163438 ACCESSION NUMBER: 0001209191-21-016014 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210226 FILED AS OF DATE: 20210302 DATE AS OF CHANGE: 20210302 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gould George L CENTRAL INDEX KEY: 0001610260 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36481 FILM NUMBER: 21704253 MAIL ADDRESS: STREET 1: C/O ASPEN AEROGELS, INC. STREET 2: 30 FORBES ROAD, BUILDING B CITY: NORTHBOROUGH STATE: MA ZIP: 01532 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ASPEN AEROGELS INC CENTRAL INDEX KEY: 0001145986 STANDARD INDUSTRIAL CLASSIFICATION: WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS [5030] IRS NUMBER: 043559972 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 30 FORBES ROAD STREET 2: BUILDING B CITY: NORTHBOROUGH STATE: MA ZIP: 01532 BUSINESS PHONE: 5086911111 MAIL ADDRESS: STREET 1: 30 FORBES ROAD STREET 2: BUILDING B CITY: NORTHBOROUGH STATE: MA ZIP: 01532 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-02-26 0 0001145986 ASPEN AEROGELS INC ASPN 0001610260 Gould George L C/O ASPEN AEROGELS, INC. 30 FORBES ROAD, BUILDING B NORTHBOROUGH MA 01532 0 1 0 0 Chief Technology Officer Common Stock 2021-02-26 4 F 0 829 22.25 D 98594 D Common Stock 2021-02-27 4 F 0 3187 22.25 D 95407 D Common Stock 2021-02-28 4 F 0 2127 22.25 D 93280 D Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of time-based restricted stock units ("RSUs"). Represents 63,066 shares of Common Stock and 35,528 Restricted Stock Units. Represents 70,439 shares of Common Stock and 24,968 Restricted Stock Units. Represents 75,559 shares of Common Stock and 17,721 Restricted Stock Units. /s/ Poongunran Muthukumaran, Attorney-in-Fact 2021-03-02