0000950170-23-065189.txt : 20231120 0000950170-23-065189.hdr.sgml : 20231120 20231120171435 ACCESSION NUMBER: 0000950170-23-065189 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231120 FILED AS OF DATE: 20231120 DATE AS OF CHANGE: 20231120 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: 231423604 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 STATE OF INCORPORATION: DE 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 ownership.xml 4 X0508 4 2023-11-20 0001145986 ASPEN AEROGELS INC ASPN 0001731877 Landes Gregg C/O ASPEN AEROGELS, INC., 30 FORBES ROAD, BLDG B NORTHBOROUGH MA 01532 false true false false SVP, Operations and Strat Deve false Common Stock 2023-11-20 4 S false 155 11.01 D 126393 D Represents 52,481 shares of Common Stock, 20,322 RSUs and 53,590 shares of Restricted Stock. /s/ Virginia H. Johnson, Attorney-in-Fact 2023-11-20