Eos Energy Enterprises, Inc. (EOSE) Insider Trading
Over the last 3 months, EOSE insiders made 0 open-market buys and 3 sales, a net sale of -$490K (SEC Form 4). Over the last 6 months, 270 institutions increased and 174 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$490.4K
Insider trades by month Buys Sells
Aug
Sep
Dec
Jan
Mar
May
Context3-month price +38.7%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 15, 2026 | Mastrangelo Joedirector, officer: Chief Executive Officer | Tax | 116,646 | $6.06 |
| Jun 15, 2026 | Mastrangelo Joedirector, officer: Chief Executive Officer | Option | 200,000 | $1.34 |
| Jun 9, 2026 | Lagi Alessandroofficer: Chief Financial Officer | Grant | 277,773 | — |
| Jun 9, 2026 | DIMITRIEF ALEXANDERdirector | Grant | 21,253 | — |
| Jun 9, 2026 | Nixon Gregory S.director | Grant | 18,217 | — |
| Jun 9, 2026 | Urban Daviddirector | Grant | 18,217 | — |
| Jun 9, 2026 | Walters Mariandirector | Grant | 21,253 | — |
| Jun 9, 2026 | Demby Claudedirector | Grant | 18,217 | — |
| Jun 9, 2026 | McNeil Jeffdirector | Grant | 18,217 | — |
| Jun 9, 2026 | Nigro Josephdirector | Grant | 24,289 | — |
| Jun 9, 2026 | Bornstein Jeffrey Sdirector | Grant | 24,289 | — |
| May 29, 2026 | Walters Mariandirector | Sell | 30,000 | $9.18 |
| May 29, 2026 | Walters Mariandirector | Option | 30,000 | $1.18 |
| May 22, 2026 | Walters Mariandirector | Sell | 22,319 | $7.20 |
| May 22, 2026 | Walters Mariandirector | Option | 22,319 | $1.18 |
| May 19, 2026 | Urban Daviddirector | Option | 23,111 | — |
| May 19, 2026 | Walters Mariandirector | Option | 23,111 | — |
| May 19, 2026 | Walters Mariandirector | Sell | 7,681 | $7.07 |
| May 19, 2026 | Walters Mariandirector | Option | 7,681 | $1.18 |
| May 19, 2026 | Nixon Gregory S.director | Option | 23,111 | — |
| May 19, 2026 | Nixon Gregory S.director | Grant | 23,111 | — |
| May 19, 2026 | DIMITRIEF ALEXANDERdirector | Option | 26,963 | — |
| May 19, 2026 | Demby Claudedirector | Option | 23,111 | — |
| May 19, 2026 | Bornstein Jeffrey Sdirector | Option | 30,815 | — |
| May 19, 2026 | McNeil Jeffdirector | Option | 23,111 | — |
| Mar 10, 2026 | Urban Daviddirector | Buy | 16,250 | $6.16 |
| Mar 5, 2026 | Mastrangelo Joedirector, officer: Chief Executive Officer | Buy | 23,900 | $6.58 |
| Mar 4, 2026 | DIMITRIEF ALEXANDERdirector | Buy | 15,000 | $6.04 |
| Jan 26, 2026 | Kroeker Nathanofficer: CCO and Interim CFO | Sell | 50,000 | $16.04 |
| Jan 26, 2026 | Kroeker Nathanofficer: CCO and Interim CFO | Option | 100,000 | — |
Source: EOSE SEC Form 4 filings, latest Jun 15, 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
270
New positions
174
Reduced
174
Sold out
116
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 29.7M | May 15, 2026 |
| BLACKROCK, INC. | Increased | 24.1M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 23.4M | Feb 12, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | 20.4M | May 15, 2026 |
| VANGUARD GROUP INC | Increased | 18.6M | Jan 29, 2026 |
| CITADEL ADVISORS LLC | Increased | 18.0M | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 15.0M | May 15, 2026 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | Increased | 14.9M | May 15, 2026 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | Increased | 14.3M | Feb 17, 2026 |
| CITADEL ADVISORS LLC | Increased | 9.4M | Feb 17, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 9.3M | Feb 17, 2026 |
| STATE STREET CORP | Increased | 8.0M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 7.8M | May 15, 2026 |
| STATE STREET CORP | Increased | 7.7M | Feb 13, 2026 |
| JANE STREET GROUP, LLC | Reduced | 7.4M | May 12, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.