Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000950170-25-062215
Filing Date
2025-05-01
Accepted
2025-05-01 20:51:20
Documents
1
Period of Report
2025-04-30

Document Format Files

Seq Description Document Type Size
1 4 ownership.html 4  
1 4 ownership.xml 4 6102
  Complete submission text file 0000950170-25-062215.txt   7575
Mailing Address 30 FORBES ROAD BUILDING B NORTHBOROUGH MA 01532
Business Address 30 FORBES ROAD BUILDING B NORTHBOROUGH MA 01532 5086911111
ASPEN AEROGELS INC (Issuer) CIK: 0001145986 (see all company filings)

EIN.: 043559972 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 5030 Wholesale-Lumber & Other Construction Materials
(CF Office: 07 Trade & Services)

Mailing Address C/O ASPEN AEROGELS, INC. 30 FORBES ROAD, BUILDING B NORTHBOROUGH MA 01532
Business Address
Kool Kathleen (Reporting) CIK: 0001934384 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-36481 | Film No.: 25905165