0000950170-24-028014.txt : 20240307 0000950170-24-028014.hdr.sgml : 20240307 20240307162740 ACCESSION NUMBER: 0000950170-24-028014 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240305 FILED AS OF DATE: 20240307 DATE AS OF CHANGE: 20240307 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Young Donald R CENTRAL INDEX KEY: 0001610257 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36481 FILM NUMBER: 24730541 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] ORGANIZATION NAME: 07 Trade & Services 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 2024-03-05 0001145986 ASPEN AEROGELS INC ASPN 0001610257 Young Donald R C/O ASPEN AEROGELS, INC., 30 FORBES ROAD, BLDG B NORTHBOROUGH MA 01532 true true false false President and CEO false Common Stock 2024-03-05 4 D false 304666 0 D 349635 D Represents unearned performance-based restricted shares granted on June 29, 2021 that were cancelled on March 5, 2024. Represents 152,805 shares of Common Stock, 39,880 RSUs and 156,950 shares of Restricted Stock. /s/ Virginia H. Johnson, Attorney-in-Fact 2024-03-07