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Who

Wood River Capital, LLC

Other role

Company insider

Files Form 4 as: 10% owner and Other, Aspen Aerogels; 10% owner, Eos Energy Enterprises.

In numbers

Trades disclosed
9
Buys
1
Sells
1
Bought
$100.0M
Sold
$116.2M
Companies
2
Companies where not an officer
2
First trade
2 May 2022
Last trade
23 Sep 2026
Last filed
24 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
ASPN Aspen Aerogels10% owner, Other · Chemicals · last 23 Sep 20261 buy · 1 sell
EOSE Eos Energy Enterprises10% owner · Electronic Components & EMS · last 30 Jun 20220 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
23 Sep 2026filed 24 Sep 2026ASPN Aspen AerogelsChemicalsSEC FORM 4 Sold$58.1M12,280,426 at $4.73filing
23 Sep 2026filed 24 Sep 2026ASPN Aspen AerogelsChemicalsSEC FORM 4 Sold$58.1M12,280,426 at $4.73filing
30 Jun 2024filed 1 Jul 2024ASPN Aspen Aerogelsoption or derivative · ChemicalsSEC FORM 4 Code J—filing
30 Jun 2023filed 5 Jul 2023ASPN Aspen Aerogelsoption or derivative · ChemicalsSEC FORM 4 Code J—filing
4 Jan 2023filed 5 Jan 2023ASPN Aspen Aerogelsoption or derivative · ChemicalsSEC FORM 4 Code J—filing
30 Nov 2022filed 6 Dec 2022ASPN Aspen AerogelsChemicalsSEC FORM 4 Bought$100.0M10,526,316 at $9.50filing
28 Nov 2022filed 6 Dec 2022ASPN Aspen Aerogelsoption or derivative · ChemicalsSEC FORM 4 Code J—0filing
30 Jun 2022filed 14 Nov 2022EOSE Eos Energy Enterprisesoption or derivative · Electronic Components & EMSSEC FORM 4 Code J$9.53T3,087,000 at $3,087,000.00filing
2 May 2022filed 3 May 2022ASPN Aspen AerogelsChemicalsSEC FORM 4 Code J—3,462,124 at $0.00filing

News

Aspen Aerogels (NYSE:ASPN) Major Shareholder Wood River Capital, Llc Sells 12,280,426 Shares of Stockdailypolitical.com · 25 Sep 2026

1 headline in the last 90 days name Wood River Capital, LLC; 0 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Materials2

Buys in green, sells in red, by the company’s sector.

Related people

Glenn E. DeeganCAO, GC & Corp Secretary · CAO, GC & Corp Secretary at Aspen Aerogels, filing Form 4 there in the last year
William P. NoglowsDirector · Director at Aspen Aerogels, filing Form 4 there in the last year
James E. SweetnamDirector · Director at Aspen Aerogels, filing Form 4 there in the last year
Steven R. MitchellDirector · Director at Aspen Aerogels, filing Form 4 there in the last year
Kathleen KoolDirector · Director at Aspen Aerogels, filing Form 4 there in the last year