Eos Energy Enterprises, Inc. (EOSE) Insider Trading

Over the last 3 months, EOSE insiders made 1 open-market buy and 3 sales, a net sale of -$390K (SEC Form 4). Over the last 6 months, 283 institutions increased and 167 reduced their position (13F).

Insider Activity

Sentiment
17/100
Buys (3m)
1
Sells (3m)
3
Net (3m)
-$390.3K
Insiders buying
Insider trades by month Buys Sells
Aug
Sep
Dec
Jan
Mar
May
Context3-month price +20.2%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
May 29, 2026Walters MariandirectorSell30,000$9.18
May 29, 2026Walters MariandirectorOption30,000$1.18
May 22, 2026Walters MariandirectorOption22,319$1.18
May 22, 2026Walters MariandirectorSell22,319$7.20
May 19, 2026Walters MariandirectorOption7,681$1.18
May 19, 2026Nixon Gregory S.directorGrant23,111
May 19, 2026DIMITRIEF ALEXANDERdirectorOption26,963
May 19, 2026Demby ClaudedirectorOption23,111
May 19, 2026Bornstein Jeffrey SdirectorOption30,815
May 19, 2026McNeil JeffdirectorOption23,111
May 19, 2026Nixon Gregory S.directorOption23,111
May 19, 2026Urban DaviddirectorOption23,111
May 19, 2026Walters MariandirectorOption23,111
May 19, 2026Walters MariandirectorSell7,681$7.07
Mar 10, 2026Urban DaviddirectorBuy16,250$6.16
Mar 5, 2026Mastrangelo Joedirector, officer: Chief Executive OfficerBuy23,900$6.58
Mar 4, 2026DIMITRIEF ALEXANDERdirectorBuy15,000$6.04
Jan 26, 2026Kroeker Nathanofficer: CCO and Interim CFOOption100,000
Jan 26, 2026Kroeker Nathanofficer: CCO and Interim CFOSell50,000$16.04
Jan 23, 2026Silberman Michael Wofficer: Chief Legal OfficerSell41,667$17.74
Jan 23, 2026Silberman Michael Wofficer: Chief Legal OfficerOption83,334
Dec 23, 2025Walters MariandirectorGrant1,782
Dec 23, 2025Nigro JosephdirectorGrant3,565
Dec 8, 2025Stidolph Russell MonokidirectorSell768$14.80
Dec 8, 2025Stidolph Russell MonokidirectorSell500,000$14.99
Dec 8, 2025Stidolph Russell MonokidirectorSell29,999$15.36
Dec 8, 2025Stidolph Russell MonokidirectorOption120,633$2.32
Dec 8, 2025Stidolph Russell MonokidirectorTax18,793$14.89
Dec 8, 2025Stidolph Russell MonokidirectorTax11,491$14.89
Dec 8, 2025Stidolph Russell MonokidirectorOption145,018$1.18

Source: EOSE SEC Form 4 filings, latest May 29, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their EOSE positions over the last 6 months (SEC Form 13F).

Increased
283
New positions
162
Reduced
167
Sold out
114
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Increased24.1MMay 13, 2026
BLACKROCK, INC.Increased23.4MFeb 12, 2026
VANGUARD GROUP INCIncreased18.6MJan 29, 2026
DRIEHAUS CAPITAL MANAGEMENT LLCIncreased14.9MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position14.8MMay 15, 2026
DRIEHAUS CAPITAL MANAGEMENT LLCIncreased14.3MFeb 17, 2026
TWO SIGMA INVESTMENTS, LPIncreased14.1MMay 15, 2026
CITADEL ADVISORS LLCIncreased9.4MFeb 17, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLPIncreased9.3MFeb 17, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLPReduced8.6MMay 15, 2026
CITADEL ADVISORS LLCReduced8.4MMay 15, 2026
STATE STREET CORPIncreased8.0MMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased7.8MMay 15, 2026
STATE STREET CORPIncreased7.7MFeb 13, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased7.2MFeb 9, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.