0000950170-24-028012.txt : 20240307 0000950170-24-028012.hdr.sgml : 20240307 20240307162724 ACCESSION NUMBER: 0000950170-24-028012 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: SCHILLING KEITH L CENTRAL INDEX KEY: 0001628467 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36481 FILM NUMBER: 24730537 MAIL ADDRESS: STREET 1: 24955 INTERSTATE 45 NORTH CITY: THE WOODLANDS STATE: TX ZIP: 77380 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 0001628467 SCHILLING KEITH L C/O ASPEN AEROGELS, INC., 30 FORBES ROAD, BLDG B NORTHBOROUGH MA 01532 false true false false SVP, Technology false Common Stock 2024-03-05 4 D false 53590 0 D 22805 D Represents unearned performance-based restricted shares granted on June 2, 2022 that were cancelled on March 5, 2024. Represents 3,672 shares of Common Stock and19,133 RSUs. /s/ Virginia H. Johnson, Attorney-in-Fact 2024-03-07