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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000936753-19-000070
Filing Date
2019-02-14
Accepted
2019-02-14 10:23:21
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC13GA ASPN DEC18 aspn.txt SC 13G/A 6955
  Complete submission text file 0000936753-19-000070.txt   8676
Mailing Address 200 EAST RANDOLPH STREET SUITE 2900 CHICAGO IL 60601
Business Address 200 EAST RANDOLPH STREET SUITE 2900 CHICAGO IL 60601 (312) 726-0140
ARIEL INVESTMENTS, LLC (Filed by) CIK: 0000936753 (see all company filings)

IRS No.: 020712418 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A

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 | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-88226 | Film No.: 19602117
SIC: 5030 Wholesale-Lumber & Other Construction Materials