0001950047-24-004162.txt : 20240528 0001950047-24-004162.hdr.sgml : 20240528 20240528162515 ACCESSION NUMBER: 0001950047-24-004162 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240528 DATE AS OF CHANGE: 20240528 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-36481 FILM NUMBER: 24992237 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Young Donald R CENTRAL INDEX KEY: 0001610257 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O ASPEN AEROGELS, INC. STREET 2: 30 FORBES ROAD, BUILDING B CITY: NORTHBOROUGH STATE: MA ZIP: 01532 144 1 primary_doc.xml 144 0001610257 XXXXXXXX LIVE 0001145986 ASPEN AEROGELS, INC. 001-36481 30 FORBES ROAD, BUILDING B, NORTHBOROUGH MA 01532 5086911111 DONALD YOUNG Director Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

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691124 20505649.08 76161210 05/28/2024 NYSE Common 05/28/2024 Exercise of Stock Options Issuer N 691124 05/28/2024 Cash Y The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale. 05/28/2024 02/26/2024 /s/ Donald R Young