0001209191-21-016033.txt : 20210302 0001209191-21-016033.hdr.sgml : 20210302 20210302163638 ACCESSION NUMBER: 0001209191-21-016033 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: Landes Gregg CENTRAL INDEX KEY: 0001731877 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36481 FILM NUMBER: 21704297 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 0001731877 Landes Gregg C/O ASPEN AEROGELS, INC. 30 FORBES ROAD, BUILDING B NORTHBOROUGH MA 01532 0 1 0 0 SVP, Operations and Strat Dev Common Stock 2021-02-26 4 F 0 947 22.25 D 69453 D Common Stock 2021-02-27 4 F 0 3287 22.25 D 66166 D Common Stock 2021-02-28 4 F 0 2529 22.25 D 63637 D Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of time-based restricted stock units ("RSUs"). Represents 31,955 shares of Common Stock and 37,498 Restricted Stock Units. Represents 39,228 shares of Common Stock and 26,938 Restricted Stock Units. Represents 45,033 shares of Common Stock and 18,604 Restricted Stock Units. /s/ Poongunran Muthukumaran, Attorney-in-Fact 2021-03-02