0000950170-25-062215.txt : 20250501 0000950170-25-062215.hdr.sgml : 20250501 20250501205120 ACCESSION NUMBER: 0000950170-25-062215 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250430 FILED AS OF DATE: 20250501 DATE AS OF CHANGE: 20250501 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Kool Kathleen CENTRAL INDEX KEY: 0001934384 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36481 FILM NUMBER: 25905165 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 EIN: 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 2025-04-30 false 0001145986 ASPEN AEROGELS INC ASPN 0001934384 Kool Kathleen C/O ASPEN AEROGELS, INC., 30 FORBES ROAD, BLDG B NORTHBOROUGH MA 01532 true false false false false Common Stock 2025-04-30 4 A false 10370 0 A 23953 D Stock Options (Right to Buy) 5.4 2025-04-30 4 A false 9105 0 A 2035-04-30 Common Stock 9105 9105 D The reporting person was granted Restricted Stock Units ("RSUs") representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. Each RSU represents the right to receive one share of Common Stock upon vesting. These RSUs will vest on the earlier of (a) April 30, 2026, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2026. Represents 13,583 shares of Common Stock and 10,370 RSUs. The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) April 30, 2026, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2026. /s/ Virginia H. Johnson, Attorney-in-Fact 2025-05-01