Comparable stake leader
Cerberus Capital Management II, L.P.
SEC ownership of Eos Energy Enterprises, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001805077.
Disclosed value leader
Cerberus Capital Management II, L.P.
Comparable rows
50/50
Latest evidence
04 Aug 2026
- Public ticker
- EOSE, EOSER on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Cerberus Capital Management II, L.P.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Cerberus Capital Management II, L.P.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
04 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001805077
- Issuer location
- Pittsburgh, PA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Eos Energy Enterprises, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Cerberus Capital Manageme...
Disclosed value leader
Cerberus Capital Manageme...
Comparable rows
50/50
Latest evidence
04 Aug 2026
13D/G
3/4/5
13F
Lead comparable stake: 33%
13D/G row: Cerberus Capital Management II, L.P.
Showing 1-8 of 50 holder rows.
Quick read
Cerberus Capital Management II, L.P. leads the comparable SEC ownership view at 33%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Cerberus Capital Management II, L.P.'s linked filing trail.
Comparable ownership
Top 5
Cerberus Capital Management II, L.P.
33%
BlackRock, Inc.
7.6%
VANGUARD CAPITAL MANAGEMENT LLC
5.1%
SUSQUEHANNA SECURITIES, LLC
4.5%
Hudson Bay Capital Management LP
2.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Cerberus Capital Management II, L.P. |
13D/G
3/4/5
Director, 10%+ Owner
|
33%
|
$764,860,439
175,829,986 shares
|
+$70,654,144 | 04 Aug 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
7.6%
from 13D/G
|
$159,526,194
27,130,305 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
13D/G
Company · Vanguard Capital Management
|
5.1%
from 13D/G
|
$88,325,785
15,021,392 shares
|
— | 30 Jun 2026 |
| SUSQUEHANNA SECURITIES, LLC |
13D/G
Capital Ventures International
|
4.5%
|
$241,213,820
14,340,893 shares
|
-$13,927,111 | 31 Dec 2025 |
| Hudson Bay Capital Management LP |
13F
Company
|
2.5%
|
$80,459,768
13,683,634 shares
|
— | 30 Jun 2026 |
| DRIEHAUS CAPITAL MANAGEMENT LLC |
13F
Company
|
2.5%
|
$79,709,339
13,556,010 shares
|
— | 30 Jun 2026 |
| TWO SIGMA INVESTMENTS, LP |
13F
Company
|
2.4%
|
$75,169,232
12,783,883 shares
|
— | 30 Jun 2026 |
| STATE STREET CORP |
13F
Company
|
1.9%
|
$59,711,018
10,154,935 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$16,725,083.
Buys
$692,962
Insiders: 3
Sells
$17,418,045
Insiders: 8
Net
-$16,725,083
Shares: -1,432,106
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 115,150
Shares: 1,547,256
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 478,626 | $0 | $2,103,972 | -$2,103,972 |
| 3-6 | 115,150 | 30,000 | $692,962 | $215,001 | +$477,961 |
| 6-9 | 0 | 948,129 | $0 | $14,415,975 | -$14,415,975 |
| 9-12 | 0 | 90,501 | $0 | $683,097 | -$683,097 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 35 reporting-owner rows connected to Eos Energy Enterprises, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
35
Largest Forms 3/4/5 holder
Russell Monoki Stidolph
Net 12M change
-$16,725,083
Latest report
04 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Russell Monoki Stidolph | Director | $36,781,582 | -$11,471,766 | -24% | Mixed | 05 Dec 2025 |
| Joe Mastrangelo | Chief Executive Officer, Director | $8,950,785 | -$72,284 | -0.8% | Mixed | 25 Jul 2026 |
| BRC Group Holdings, Inc. | 10%+ Owner | $6,285,247 | Mixed | 01 Aug 2022 | ||
| Nathan Kroeker | Chief Commercial Officer | $3,566,090 | -$1,750,961 | -33% | Mixed | 25 Jul 2026 |
| Dr. Krishna Singh | Director | $3,018,286 | Mixed | 09 Apr 2021 | ||
| Eric M. Javidi | Chief Financial Officer | $2,813,937 | Mixed | 05 Mar 2025 | ||
| Wood River Capital, LLC | Former 10% Owner | $2,741,322 | Mixed | 28 Feb 2023 | ||
| Michael W. Silberman | Chief Legal Officer | $2,187,553 | -$827,211 | -27% | Mixed | 26 Jun 2026 |
| Jeff McNeil | Director | $1,885,405 | Mixed | 05 Jun 2026 | ||
| Alexander Dimitrief | Director | $1,473,381 | +$90,600 | +6.6% | Mixed | 23 Jul 2026 |
| Marian Walters | Director | $971,103 | -$1,675,901 | -63% | Mixed | 23 Jul 2026 |
| Sumeet Puri | Chief Accounting Officer | $940,691 | -$437,801 | -32% | Mixed | 25 Jul 2026 |
| Claude Demby | Director | $923,230 | Mixed | 21 Jul 2026 | ||
| Jeffrey S. Bornstein | Director | $875,415 | -$612,536 | -41% | Mixed | 21 Jul 2026 |
| David Urban | Director | $545,585 | +$100,100 | +22% | Mixed | 21 Jul 2026 |
| Joseph Nigro | Director | $412,225 | Mixed | 23 Jul 2026 | ||
| Randall B. Gonzales | Chief Financial Officer | $410,980 | Mixed | 11 Jan 2023 | ||
| Michelle Buczkowski | Chief Administration Officer | $347,750 | -$67,323 | -16% | Median | 21 Jul 2026 |
| Melissa Berube | General Counsel | $178,709 | Mixed | 27 Jan 2024 | ||
| Audrey Ann Zibelman | Director | $118,292 | Mixed | 30 Apr 2024 |
Recent insider transactions for Eos Energy Enterprises, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Cerberus GP Manager LLC | EOSE | Warrant (right to buy) | Award | 20,017,772 | 20,017,772 | 04 Aug 2026 | See Footnotes | |||
| Cerberus GP Manager LLC | EOSE | Warrant (right to buy) | Award | 20,017,772 | 20,017,772 | 04 Aug 2026 | See Footnotes | |||
| Cerberus GP Manager LLC | EOSE | Warrant (right to buy) | Award | 20,017,772 | 20,017,772 | 04 Aug 2026 | See Footnotes | |||
| Cerberus GP Manager LLC | EOSE | Warrant (right to buy) | Award | 20,017,772 | 20,017,772 | 04 Aug 2026 | See Footnotes | |||
| Sumeet Puri | EOSE | Common Stock | Sale | -12.6% | $98,001 | $3.36 | -29,167 | 202,279 | 28 Jul 2026 | Direct |
| Nathan Kroeker | EOSE | Common Stock | Sale | -11.1% | $371,001 | $3.36 | -110,417 | 887,527 | 28 Jul 2026 | Direct |
| Joe Mastrangelo | EOSE | Common Stock | Sale | -7.55% | $574,546 | $3.61 | -159,154 | 1,947,586 | 27 Jul 2026 | Direct |
| Sumeet Puri | EOSE | Common Stock | Options Exercise | 33.7% | 58,334 | 231,446 | 25 Jul 2026 | Direct | ||
| Sumeet Puri | EOSE | Restricted Stock Units | Options Exercise | -50% | -58,334 | 58,333 | 25 Jul 2026 | Direct | ||
| Nathan Kroeker | EOSE | Common Stock | Options Exercise | 28.4% | 220,834 | 997,944 | 25 Jul 2026 | Direct | ||
| Nathan Kroeker | EOSE | Restricted Stock Units | Options Exercise | -50% | -220,834 | 220,833 | 25 Jul 2026 | Direct | ||
| Joe Mastrangelo | EOSE | Common Stock | Options Exercise | 18.8% | 333,334 | 2,106,740 | 25 Jul 2026 | Direct | ||
| Joe Mastrangelo | EOSE | Restricted Stock Units | Options Exercise | -50% | -333,334 | 333,333 | 25 Jul 2026 | Direct | ||
| Joseph Nigro | EOSE | Restricted Stock Units | Award | 5,942 | 5,942 | 23 Jul 2026 | Direct | |||
| Marian Walters | EOSE | Restricted Stock Units | Award | 5,942 | 5,942 | 23 Jul 2026 | Direct | |||
| Alexander Dimitrief | EOSE | Restricted Stock Units | Award | 5,942 | 5,942 | 23 Jul 2026 | Direct | |||
| Joe Mastrangelo | EOSE | Common Stock | Options Exercise | 5.71% | 111,118 | 2,058,704 | 21 Jul 2026 | Direct | ||
| Joe Mastrangelo | EOSE | Warrant (right to buy) | Options Exercise | 48,758 | 48,758 | 21 Jul 2026 | Direct | |||
| Joe Mastrangelo | EOSE | Subscription Rights (right to buy) | Options Exercise | -100% | -111,118 | 0 | 21 Jul 2026 | Direct | ||
| Alexander Dimitrief | EOSE | Common Stock | Options Exercise | 13.8% | 1,377 | 11,377 | 21 Jul 2026 | By Spouse | ||
| Alexander Dimitrief | EOSE | Common Stock | Options Exercise | 7.12% | 17,897 | 269,296 | 21 Jul 2026 | Direct | ||
| Alexander Dimitrief | EOSE | Warrant (right to buy) | Options Exercise | 603 | 603 | 21 Jul 2026 | By Spouse | |||
| Alexander Dimitrief | EOSE | Warrant (right to buy) | Options Exercise | 7,853 | 7,853 | 21 Jul 2026 | Direct | |||
| Alexander Dimitrief | EOSE | Subscription Rights (right to buy) | Options Exercise | -100% | -1,377 | 0 | 21 Jul 2026 | By Spouse | ||
| Alexander Dimitrief | EOSE | Subscription Rights (right to buy) | Options Exercise | -100% | -17,897 | 0 | 21 Jul 2026 | Direct | ||
| Marian Walters | EOSE | Common Stock | Options Exercise | 7.12% | 11,407 | 171,634 | 21 Jul 2026 | Direct | ||
| Marian Walters | EOSE | Warrant (right to buy) | Options Exercise | 5,005 | 5,005 | 21 Jul 2026 | Direct | |||
| Marian Walters | EOSE | Subscription Rights (right to buy) | Options Exercise | -100% | -11,407 | 0 | 21 Jul 2026 | Direct | ||
| Jeffrey S. Bornstein | EOSE | Common Stock | Options Exercise | 7.12% | 9,558 | 143,806 | 21 Jul 2026 | Direct | ||
| Jeffrey S. Bornstein | EOSE | Warrant (right to buy) | Options Exercise | 4,194 | 4,194 | 21 Jul 2026 | Direct | |||
| Jeffrey S. Bornstein | EOSE | Subscription Rights (right to buy) | Options Exercise | -100% | -9,558 | 0 | 21 Jul 2026 | Direct | ||
| David Urban | EOSE | Common Stock | Options Exercise | 14.2% | 12,185 | 97,767 | 21 Jul 2026 | Direct | ||
| David Urban | EOSE | Warrant (right to buy) | Options Exercise | 5,347 | 5,347 | 21 Jul 2026 | Direct | |||
| David Urban | EOSE | Subscription Rights (right to buy) | Options Exercise | -100% | -12,185 | 0 | 21 Jul 2026 | Direct | ||
| Joseph Nigro | EOSE | Common Stock | Options Exercise | 7.12% | 2,773 | 41,723 | 21 Jul 2026 | Direct | ||
| Joseph Nigro | EOSE | Warrant (right to buy) | Options Exercise | 1,217 | 1,217 | 21 Jul 2026 | Direct | |||
| Joseph Nigro | EOSE | Subscription Rights (right to buy) | Options Exercise | -100% | -2,773 | 0 | 21 Jul 2026 | Direct | ||
| Michelle Buczkowski | EOSE | Common Stock | Options Exercise | 4.36% | 2,585 | 61,827 | 21 Jul 2026 | Direct | ||
| Michelle Buczkowski | EOSE | Warrant (right to buy) | Options Exercise | 1,134 | 1,134 | 21 Jul 2026 | Direct | |||
| Michelle Buczkowski | EOSE | Subscription Rights (right to buy) | Options Exercise | -100% | -2,585 | 0 | 21 Jul 2026 | Direct | ||
| Claude Demby | EOSE | Common Stock | Options Exercise | 1.17% | 1,825 | 157,400 | 21 Jul 2026 | Direct | ||
| Claude Demby | EOSE | Warrant (right to buy) | Options Exercise | 801 | 801 | 21 Jul 2026 | Direct | |||
| Claude Demby | EOSE | Subscription Rights (right to buy) | Options Exercise | -100% | -1,825 | 0 | 21 Jul 2026 | Direct | ||
| Nathan Kroeker | EOSE | Common Stock | Options Exercise | 1.91% | 16,944 | 904,471 | 21 Jul 2026 | Direct | ||
| Nathan Kroeker | EOSE | Warrant (right to buy) | Options Exercise | 7,435 | 7,435 | 21 Jul 2026 | Direct | |||
| Nathan Kroeker | EOSE | Subscription Rights (right to buy) | Options Exercise | -100% | -16,944 | 0 | 21 Jul 2026 | Direct | ||
| Haiyan Song | EOSE | Restricted Stock Units | Award | 29,980 | 29,980 | 13 Jul 2026 | Direct | |||
| Marie Batz Martin | EOSE | Restricted Stock Units | Award | 216,731 | 216,731 | 13 Jul 2026 | Direct | |||
| Nathan Kroeker | EOSE | Common Stock | Sale | -9.26% | $371,166 | $4.68 | -79,309 | 777,110 | 07 Jul 2026 | Direct |
| Joe Mastrangelo | EOSE | Common Stock | Tax liability | -6.4% | -121,245 | 1,773,406 | 06 Jul 2026 | Direct |
* marks a reported price that did not pass the local price check.