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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000834237-21-008978
Filing Date
2021-09-09
Accepted
2021-09-09 16:20:10
Documents
1

Document Format Files

Seq Description Document Type Size
1 us04523y1055_090921.txt SC 13G/A 10516
  Complete submission text file 0000834237-21-008978.txt   12274
Mailing Address 30 FORBES ROAD BUILDING B NORTHBOROUGH MA 01532
Business Address 30 FORBES ROAD BUILDING B NORTHBOROUGH MA 01532 5086911111
ASPEN AEROGELS INC (Subject) CIK: 0001145986 (see all company filings)

IRS No.: 043559972 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-88226 | Film No.: 211244641
SIC: 5030 Wholesale-Lumber & Other Construction Materials

Mailing Address 55 EAST 52ND STREET NEW YORK NY 10055
Business Address 55 EAST 52ND STREET NEW YORK NY 10055 212-810-5300
BlackRock Inc. (Filed by) CIK: 0001364742 (see all company filings)

IRS No.: 320174431 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies