0001209191-23-013775.txt : 20230228 0001209191-23-013775.hdr.sgml : 20230228 20230228171432 ACCESSION NUMBER: 0001209191-23-013775 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230224 FILED AS OF DATE: 20230228 DATE AS OF CHANGE: 20230228 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Young Donald R CENTRAL INDEX KEY: 0001610257 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36481 FILM NUMBER: 23687176 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 doc4.xml FORM 4 SUBMISSION X0306 4 2023-02-24 0 0001145986 ASPEN AEROGELS INC ASPN 0001610257 Young Donald R C/O ASPEN AEROGELS, INC. 30 FORBES ROAD, BUILDING B NORTHBOROUGH MA 01532 1 1 0 0 President and CEO Common Stock 2023-02-24 4 F 0 844 10.95 D 597203 D Common Stock 2023-02-26 4 F 0 2210 10.95 D 594993 D Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs"). Represents 124,603 shares of Common Stock, 8,774 RSUs and 461,616 shares of Restricted Stock. /s/ Virginia H. Johnson, Attorney-in-Fact 2023-02-28