EDGAR Filing Documents for 0001564590-19-012746

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:

SEC Accession No. 0001564590-19-012746

Filing Date

2019-04-24

Accepted

2019-04-24 17:01:22

Documents

Effectiveness Date

2019-04-24

Document Format Files

Seq	Description	Document	Type	Size
1	DEFA14A	aspn-defa14a_20190619.htm	DEFA14A	31648
2	GRAPHIC	gqupchspjxjt000002.jpg	GRAPHIC	90868
3	GRAPHIC	gqupchspjxjt000001.jpg	GRAPHIC	84668
4	GRAPHIC	gqupchspjxjt000003.jpg	GRAPHIC	41473
5	GRAPHIC	gqupchspjxjt000004.jpg	GRAPHIC	43956
	Complete submission text file	0001564590-19-012746.txt		392582

Mailing Address 30 FORBES ROAD BUILDING B NORTHBOROUGH MA 01532

Business Address 30 FORBES ROAD BUILDING B NORTHBOROUGH MA 01532 5086911111

ASPEN AEROGELS INC (Filer) CIK: 0001145986 (see all company filings)

IRS No.: 043559972 | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-36481 | Film No.: 19764458
SIC: 5030 Wholesale-Lumber & Other Construction Materials