0000950170-24-066183.txt : 20240529 0000950170-24-066183.hdr.sgml : 20240529 20240529202749 ACCESSION NUMBER: 0000950170-24-066183 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240528 FILED AS OF DATE: 20240529 DATE AS OF CHANGE: 20240529 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: 241000434 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 2024-05-28 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 true Common Stock 2024-05-28 4 M false 259671 10.78 A 625117 D Common Stock 2024-05-28 4 M false 108105 7.54 A 733222 D Common Stock 2024-05-28 4 M false 26577 6.40 A 759799 D Common Stock 2024-05-28 4 S false 230658 29.18 D 529141 D Common Stock 2024-05-28 4 S false 26286 29.72 D 502855 D Common Stock 2024-05-29 4 M false 296771 6.40 A 799626 D Common Stock 2024-05-29 4 S false 176746 29.38 D 622880 D Stock Options (Right to Buy) 10.78 2024-05-28 4 M false 259671 0 D 2024-09-10 Common Stock 259671 0 D Stock Options (Right to Buy) 7.54 2024-05-28 4 M false 108105 0 D 2025-03-11 Common Stock 108105 0 D Stock Options (Right to Buy) 6.40 2024-05-28 4 M false 26577 0 D 2025-12-11 Common Stock 26577 296771 D Stock Options (Right to Buy) 6.40 2024-05-29 4 M false 296771 0 D 2025-12-11 Common Stock 296771 0 D The transactions reported on this Form 4 were effected pursuant to a Rule 10B5-1 trading plan previously adopted by the reporting person on February 26, 2024. The shares of common stock were sold solely to satisfy the reporting person's tax withholding obligations related to the exercise of stock options to purchase 691,124 shares as reported herein. These transactions were executed in multiple trades at prices ranging from $28.59 to $29.58. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price. These transactions were executed in multiple trades at prices ranging from $29.59 to $30.00. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price. These transactions were executed in multiple trades at prices ranging from $28.67 to $29.59. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price. Represents 418,398 shares of Common Stock and 47,532 Restricted Stock Units and 156,950 shares of Restricted Stock. This option is fully vested and exercisable. The reporting person previously disclosed the grant of an aggregate of 454,926 options on December 11, 2015, including 370,181 options subject to performance conditions. Of the performance-based options, 131,578 options were previously forfeited by the reporting person as a result of the applicable performance targets not being achieved. Accordingly, an aggregate of 323,348 options remained exercisable from the December 11, 2015 grant as of the date of this Form 4. /s/ Virginia H. Johnson, Attorney-in-Fact 2024-05-29