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
05 Jul 2026
- Public ticker
- EOSE 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
-
05 Jul 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001805077
- Issuer location
- Edison, NJ
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
05 Jul 2026
13D/G
3/4/5
13F
Lead comparable stake: 31%
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 31%.
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.
31%
BlackRock, Inc.
6.5%
VANGUARD CAPITAL MANAGEMENT LLC
5.1%
SUSQUEHANNA SECURITIES, LLC
4.5%
Joe Mastrangelo
0.35%
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
|
31%
|
$989,443,455
159,587,654 shares
|
$0 | 30 Jun 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.5%
from 13D/G
|
$119,455,546
24,083,779 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.1%
|
$85,507,945
17,239,505 shares
|
$0 | 31 Mar 2026 |
| SUSQUEHANNA SECURITIES, LLC |
13D/G
Capital Ventures International
|
4.5%
|
$241,213,820
14,340,893 shares
|
-$13,927,111 | 31 Dec 2025 |
| Joe Mastrangelo |
3/4/5
Chief Executive Officer, Director
|
0.35%
|
$10,716,093
1,773,406 shares
mixed-class rows
|
-$487,740 | 05 Jul 2026 |
| Nathan Kroeker |
3/4/5
CCO and Interim CFO
|
0.15%
|
$4,220,874
777,110 shares
mixed-class rows
|
-$1,970,247 | 03 Jul 2026 |
| DRIEHAUS CAPITAL MANAGEMENT LLC |
13F
Company
|
2.9%
|
$73,751,083
14,869,170 shares
|
— | 31 Mar 2026 |
| TWO SIGMA INVESTMENTS, LP |
13F
Company
|
2.7%
|
$69,807,045
14,074,001 shares
|
— | 31 Mar 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: -$18,883,664.
Buys
$692,962
Insiders: 3
Sells
$19,576,626
Insiders: 9
Net
-$18,883,664
Shares: -1,701,941
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 115,150
Shares: 1,817,091
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 209,888 | $0 | $1,275,425 | -$1,275,425 |
| 3-6 | 115,150 | 91,667 | $692,962 | $1,541,173 | -$848,211 |
| 6-9 | 0 | 856,462 | $0 | $12,874,802 | -$12,874,802 |
| 9-12 | 0 | 659,074 | $0 | $3,885,226 | -$3,885,226 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 29 reporting-owner rows connected to Eos Energy Enterprises, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
29
Largest Forms 3/4/5 holder
Russell Monoki Stidolph
Net 12M change
-$18,025,586
Latest report
05 Jul 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 | $10,716,093 | -$487,740 | -4.4% | Mixed | 05 Jul 2026 |
| BRC Group Holdings, Inc. | 10%+ Owner | $6,285,247 | Mixed | 01 Aug 2022 | ||
| Nathan Kroeker | CCO and Interim CFO | $4,220,874 | -$1,970,247 | -32% | Mixed | 03 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 | -$1,217,023 | -36% | Mixed | 26 Jun 2026 |
| Jeff McNeil | Director | $1,885,405 | Mixed | 05 Jun 2026 | ||
| Alexander Dimitrief | Director | $1,473,381 | -$179,400 | -11% | Mixed | 05 Jun 2026 |
| Sumeet Puri | Chief Accounting Officer | $1,275,470 | -$443,750 | -26% | Mixed | 26 Jun 2026 |
| Marian Walters | Director | $971,103 | -$1,675,901 | -63% | Mixed | 05 Jun 2026 |
| Claude Demby | Director | $923,230 | Mixed | 05 Jun 2026 | ||
| Jeffrey S. Bornstein | Director | $875,415 | -$612,536 | -41% | Mixed | 05 Jun 2026 |
| David Urban | Director | $545,585 | +$100,100 | +22% | Mixed | 05 Jun 2026 |
| Joseph Nigro | Director | $412,225 | Mixed | 05 Jun 2026 | ||
| Randall B. Gonzales | Chief Financial Officer | $410,980 | Mixed | 11 Jan 2023 | ||
| Michelle Buczkowski | Chief Administration Officer | $347,750 | -$67,323 | -16% | Filing P/S | 26 Jun 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||
| Nathan Kroeker | EOSE | Common Stock | Options Exercise | 14% | 105,008 | 856,419 | 05 Jul 2026 | Direct | ||
| Nathan Kroeker | EOSE | Restricted Stock Units | Options Exercise | -100% | -105,008 | 0 | 05 Jul 2026 | Direct | ||
| Joe Mastrangelo | EOSE | Common Stock | Options Exercise | 15.5% | 254,304 | 1,894,651 | 05 Jul 2026 | Direct | ||
| Joe Mastrangelo | EOSE | Restricted Stock Units | Options Exercise | -100% | -254,304 | 0 | 05 Jul 2026 | Direct | ||
| Nathan Kroeker | EOSE | Common Stock | Options Exercise | 7.68% | 53,610 | 751,411 | 03 Jul 2026 | Direct | ||
| Nathan Kroeker | EOSE | Restricted Stock Units | Options Exercise | -100% | -53,610 | 0 | 03 Jul 2026 | Direct | ||
| Sumeet Puri | EOSE | Common Stock | Sale | -4.85% | $51,703 | $5.86 | -8,823 | 173,112 | 30 Jun 2026 | Direct |
| Michelle Buczkowski | EOSE | Common Stock | Sale | -16.2% | $67,323 | $5.87 | -11,469 | 59,242 | 30 Jun 2026 | Direct |
| Michael W. Silberman | EOSE | Common Stock | Sale | -4.79% | $88,038 | $5.87 | -14,998 | 298,277 | 30 Jun 2026 | Direct |
| Nathan Kroeker | EOSE | Common Stock | Sale | -4.81% | $206,794 | $5.86 | -35,289 | 697,801 | 30 Jun 2026 | Direct |
| Joe Mastrangelo | EOSE | Common Stock | Tax liability | -3.57% | -60,703 | 1,640,347 | 30 Jun 2026 | Direct | ||
| Sumeet Puri | EOSE | Common Stock | Options Exercise | 10.7% | 17,645 | 181,935 | 26 Jun 2026 | Direct | ||
| Sumeet Puri | EOSE | Restricted Stock Units | Options Exercise | -33.2% | -17,545 | 35,389 | 26 Jun 2026 | Direct | ||
| Michelle Buczkowski | EOSE | Common Stock | Options Exercise | 48% | 22,938 | 70,711 | 26 Jun 2026 | Direct | ||
| Michelle Buczkowski | EOSE | Restricted Stock Units | Options Exercise | -33.3% | -22,938 | 45,876 | 26 Jun 2026 | Direct | ||
| Michael W. Silberman | EOSE | Common Stock | Options Exercise | 10.6% | 29,996 | 313,275 | 26 Jun 2026 | Direct | ||
| Michael W. Silberman | EOSE | Restricted Stock Units | Options Exercise | -33.3% | -29,996 | 59,991 | 26 Jun 2026 | Direct | ||
| Nathan Kroeker | EOSE | Common Stock | Options Exercise | 10.6% | 70,578 | 733,090 | 26 Jun 2026 | Direct | ||
| Nathan Kroeker | EOSE | Restricted Stock Units | Options Exercise | -33.3% | -70,578 | 141,157 | 26 Jun 2026 | Direct | ||
| Joe Mastrangelo | EOSE | Common Stock | Options Exercise | 8.31% | 130,570 | 1,701,050 | 26 Jun 2026 | Direct | ||
| Joe Mastrangelo | EOSE | Restricted Stock Units | Options Exercise | -33.3% | -130,570 | 261,140 | 26 Jun 2026 | Direct | ||
| Joe Mastrangelo | EOSE | Common Stock | Tax liability | -6.91% | -116,646 | 1,570,480 | 12 Jun 2026 | Direct | ||
| Joe Mastrangelo | EOSE | Common Stock | Options Exercise | 13.4% | 200,000 | 1,687,126 | 12 Jun 2026 | Direct | ||
| Joe Mastrangelo | EOSE | Stock Option (Right to Buy) | Options Exercise | -100% | -200,000 | 0 | 12 Jun 2026 | Direct | ||
| Alessandro Lagi | EOSE | Restricted Stock Units | Award | 277,773 | 277,773 | 08 Jun 2026 | Direct | |||
| Jeffrey S. Bornstein | EOSE | Restricted Stock Units | Award | 24,289 | 24,289 | 05 Jun 2026 | Direct | |||
| Joseph Nigro | EOSE | Restricted Stock Units | Award | 24,289 | 24,289 | 05 Jun 2026 | Direct | |||
| Jeff McNeil | EOSE | Restricted Stock Units | Award | 18,217 | 18,217 | 05 Jun 2026 | Direct | |||
| Claude Demby | EOSE | Restricted Stock Units | Award | 18,217 | 18,217 | 05 Jun 2026 | Direct | |||
| Marian Walters | EOSE | Restricted Stock Units | Award | 21,253 | 21,253 | 05 Jun 2026 | Direct | |||
| David Urban | EOSE | Restricted Stock Units | Award | 18,217 | 18,217 | 05 Jun 2026 | Direct | |||
| Gregory S. Nixon | EOSE | Restricted Stock Units | Award | 18,217 | 18,217 | 05 Jun 2026 | Direct | |||
| Alexander Dimitrief | EOSE | Restricted Stock Units | Award | 21,253 | 21,253 | 05 Jun 2026 | Direct | |||
| Joseph Nigro | EOSE | Common Stock | Options Exercise | 10.1% | 3,565 | 38,950 | 02 Jun 2026 | Direct | ||
| Joseph Nigro | EOSE | Restricted Stock Units | Options Exercise | -100% | -3,565 | 0 | 02 Jun 2026 | Direct | ||
| Marian Walters | EOSE | Common Stock | Options Exercise | 1.12% | 1,782 | 160,227 | 02 Jun 2026 | Direct | ||
| Marian Walters | EOSE | Restricted Stock Units | Options Exercise | -100% | -1,782 | 0 | 02 Jun 2026 | Direct | ||
| Marian Walters | EOSE | Common Stock | Sale | -15.9% | $275,400 | $9.18 | -30,000 | 158,445 | 28 May 2026 | Direct |
| Marian Walters | EOSE | Common Stock | Options Exercise | 18.9% | 30,000 | 188,445 | 28 May 2026 | Direct | ||
| Marian Walters | EOSE | Stock Option (Right to Buy) | Options Exercise | -46.1% | -30,000 | 35,018 | 28 May 2026 | Direct | ||
| Marian Walters | EOSE | Common Stock | Sale | -12.4% | $160,697 | $7.20 | -22,319 | 158,445 | 20 May 2026 | Direct |
| Marian Walters | EOSE | Common Stock | Options Exercise | 14.1% | 22,319 | 180,764 | 20 May 2026 | Direct | ||
| Marian Walters | EOSE | Stock Option (Right to Buy) | Options Exercise | -25.6% | -22,319 | 65,018 | 20 May 2026 | Direct | ||
| Jeff McNeil | EOSE | Common Stock | Options Exercise | 23.3% | 23,111 | 122,290 | 19 May 2026 | Direct | ||
| Jeff McNeil | EOSE | Restricted Stock Units | Options Exercise | -100% | -23,111 | 0 | 19 May 2026 | Direct | ||
| Jeffrey S. Bornstein | EOSE | Common Stock | Disposed to Issuer | -8.41% | -12,326 | 134,248 | 19 May 2026 | Direct | ||
| Jeffrey S. Bornstein | EOSE | Common Stock | Options Exercise | 26.6% | 30,815 | 146,574 | 19 May 2026 | Direct | ||
| Jeffrey S. Bornstein | EOSE | Restricted Stock Units | Options Exercise | -100% | -30,815 | 0 | 19 May 2026 | Direct |
* marks a reported price that did not pass the local price check.