SightfileU.S. market data from official filings

ASPEN AEROGELS INC (ASPN)

Name: ASPEN AEROGELS INC (ASPN) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Consumer Discretionary · SEC CIK 0001145986 · EDGAR filings · Updated 2026-06-26

ASPEN AEROGELS INC (ASPN) has reported institutional ownership of 83.7%, with 165 institutional managers holding positions valued at $236.7M per the latest 13F reporting period.

Institutional ownership

83.7%

Institutional managers

165

Reported 13F value

$236.7M

Insider activity

29 trans.

−$123.9K net selling

Latest updates

2026-06-26 — Insider transaction reported (Form 4)
2026-05-18 — Current report (8-K) filed
2026-05-14 — Insider transaction reported (Form 4)
2026-05-14 — Insider transaction reported (Form 4)
2026-05-14 — Insider transaction reported (Form 4)
2026-05-14 — Insider transaction reported (Form 4)

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, ASPEN AEROGELS INC has 165 institutional holders and institutional ownership of 83.7%.

Insider activity

Insiders reported 29 transactions (1 buys, 3 sells) across 13 reporting insiders, with a net reported value of −$123.9K.

Related companies

BLACK ROCK COFFEE BAR INC (BRCB) · JUMIA TECHNOLOGIES AG SPONSORED (JMIA) · ATRENEW INC (RERE) · Civeo Corp (CVEO) · SEAPORT ENTMT GROUP INC (SEG) · MINISO GROUP HLDG LTD (MNSO)

See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-06-26.