EOSE
Eos Energy Enterprises, Inc.$6.20+0.01 (+0.08%)Prev Close$6.20·MCap$1.58B·P/E—·Vol11.67M·Yield—
▲
Buys (12M)
2
$445.1K
▼
Sells (12M)
18
$20.35M
◆
Net Activity
Net Seller
$19.90M
●
Active Insiders
10
last 12 mo
Over the past 12 months, insider activity at Eos Energy Enterprises, Inc. (EOSE) has been dominated by selling, with 2 insider purchases totaling $445.1K and 18 insider sales totaling $20.35M. The most recent insider transaction was by Walters Marian (director), who sold $275.4K worth of shares on May 29, 2026. Eos Energy Enterprises, Inc. operates in the Industrials sector, within the Electrical Equipment & Parts industry, with a market cap of $1.58B.
EOSE Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 29, 2026 | Walters Marian | director | Sell | 30,000 | $9.18 | $275.4K | 158,445 |
| May 22, 2026 | Walters Marian | director | Sell | 22,319 | $7.20 | $160.7K | 158,445 |
| May 19, 2026 | Walters Marian | director | Sell | 7,681 | $7.07 | $54.3K | 135,334 |
| Mar 10, 2026 | Urban David | director | Buy | 16,250 | $6.16 | $100.1K | 62,471+35% |
| Mar 3, 2026 | Mastrangelo Joe | director, officer: Chief Executive Officer | Buy | 60,000 | $5.75 | $345.0K | 1,463,226 |
| Jan 23, 2026 | Kroeker Nathan | CCO and Interim CFO | Sell | 50,000 | $16.04 | $802.0K | 662,512 |
| Jan 22, 2026 | Silberman Michael W | Chief Legal Officer | Sell | 41,667 | $17.74 | $739.2K | 0 |
| Dec 5, 2025 | DIMITRIEF ALEXANDER | Director | Sell | 17,704 | $15.03 | $266.1K | 0 |
| Dec 5, 2025 | Stidolph Russell Monoki | Director | Sell | 826,438 | $14.96 | $12.37M | 0 |
| Dec 4, 2025 | Bornstein Jeffrey S | Director | Sell | 40,328 | $15.19 | $612.5K | 115,759-26% |
| Dec 4, 2025 | Walters Marian | Director | Sell | 66,933 | $15.79 | $1.06M | 0 |
| Sep 5, 2025 | Puri Sumeet | Chief Accounting Officer | Sell | 40,501 | $7.11 | $288.1K | 184,290 |
| Sep 3, 2025 | Walters Marian | Director | Sell | 50,000 | $7.90 | $395.0K | 0 |
| Aug 4, 2025 | DIMITRIEF ALEXANDER | Director | Sell | 45,000 | $6.00 | $270.0K | 219,452 |
| Jul 25, 2025 | Kroeker Nathan | CCO and Interim CFO | Sell | 99,375 | $5.94 | $590.3K | 612,512 |
| Jul 25, 2025 | Mastrangelo Joe | Chief Executive Officer | Sell | 166,667 | $5.94 | $990.0K | 0 |
| Jul 25, 2025 | Puri Sumeet | Chief Accounting Officer | Sell | 17,500 | $5.94 | $104.0K | 136,457 |
| Jul 25, 2025 | Silberman Michael W | General Counsel | Sell | 65,625 | $5.94 | $389.8K | 0 |
| Jul 5, 2025 | Mastrangelo Joe | Chief Executive Officer | Sell | 127,152 | $4.92 | $625.6K | 1,236,560 |
| Jul 3, 2025 | Kroeker Nathan | CCO and Interim CFO | Sell | 71,378 | $5.02 | $358.2K | 0 |
| May 16, 2025 | Kroeker Nathan | Chief Commercial Officer | Sell | 152,856 | $6.86 | $1.05M | 403,815-27% |
| May 16, 2025 | Mastrangelo Joe | Chief Executive Officer | Sell | 270,384 | $6.86 | $1.85M | 0 |
| May 16, 2025 | Puri Sumeet | Chief Accounting Officer | Sell | 36,173 | $6.86 | $248.1K | 0 |
| May 16, 2025 | Silberman Michael W | General Counsel | Sell | 100,943 | $6.86 | $692.5K | 0 |
| May 14, 2025 | Bornstein Jeffrey S | Director | Sell | 42,105 | $6.94 | $292.2K | 148,087 |
| May 14, 2025 | Demby Claude | Director | Sell | 31,579 | $6.94 | $219.2K | 141,708 |
| May 14, 2025 | Stidolph Russell Monoki | Director | Sell | 42,105 | $6.94 | $292.2K | 0 |
| Jan 23, 2025 | Kroeker Nathan | Chief Financial Officer | Sell | 40,515 | $6.19 | $250.8K | 245,296 |
| Jan 22, 2025 | Silberman Michael W | General Counsel | Sell | 26,611 | $5.84 | $155.4K | 56,722-32% |
| Sep 12, 2024 | Bornstein Jeffrey S | Director | Sell | 162,720 | $2.63 | $427.7K | 84,929-66% |
| Sep 5, 2024 | Puri Sumeet | Chief Accounting Officer | Sell | 18,786 | $2.33 | $43.8K | 49,547-27% |
| Aug 15, 2024 | DIMITRIEF ALEXANDER | Director | Buy | 3,000 | $1.90 | $5.7K | 172,347 |
| Aug 13, 2024 | DIMITRIEF ALEXANDER | Director | Buy | 2,000 | $1.68 | $3.4K | 169,347 |
| Aug 9, 2024 | Mastrangelo Joe | Chief Executive Officer | Buy | 52,800 | $1.43 | $75.5K | 909,793 |
| Jul 5, 2024 | Kroeker Nathan | Chief Financial Officer | Sell | 41,321 | $1.92 | $79.3K | 185,811 |
| Jul 5, 2024 | Mastrangelo Joe | Chief Executive Officer | Sell | 115,683 | $1.92 | $222.1K | 856,993 |
| Jul 3, 2024 | Kroeker Nathan | Chief Financial Officer | Sell | 21,096 | $1.77 | $37.3K | 122,124 |
| Mar 8, 2024 | DIMITRIEF ALEXANDER | Director | Buy | 5,000 | $1.13 | $5.6K | 10,000+100% |
| Jan 27, 2024 | Berube Melissa | General Counsel | Sell | 81,232 | $1.04 | $84.5K | 171,836-32% |
| Jan 23, 2024 | Kroeker Nathan | Chief Financial Officer | Sell | 44,650 | $1.08 | $48.2K | 89,610-33% |
| Jan 3, 2024 | Mastrangelo Joe | Chief Executive Officer | Sell | 122,427 | $0.99 | $121.8K | 718,372 |
| Oct 30, 2023 | Kroeker Nathan | Chief Financial Officer | Sell | 9,740 | $1.59 | $15.5K | 34,260 |
| Sep 21, 2023 | Mastrangelo Joe | Chief Executive Officer | Buy | 36,500 | $2.05 | $74.8K | 590,799 |
| Sep 7, 2023 | Demby Claude | Director | Sell | 20,143 | $2.78 | $56.0K | 62,012 |
| Jul 28, 2023 | DIMITRIEF ALEXANDER | Director | Buy | 5,000 | $2.13 | $10.6K | 5,000 |
| Jul 28, 2023 | Kroeker Nathan | Chief Financial Officer | Buy | 4,000 | $2.15 | $8.6K | 4,000 |
| Jul 28, 2023 | Mastrangelo Joe | Chief Executive Officer | Buy | 31,199 | $2.23 | $69.6K | 554,299 |
| Jun 15, 2023 | Berube Melissa | General Counsel | Sell | 8,113 | $3.22 | $26.1K | 48,411 |
| Feb 14, 2023 | Tedone John J | Chief Accounting Officer | Sell | 6,180 | $1.35 | $8.3K | 25,487 |
| Feb 9, 2023 | Berube Melissa | General Counsel | Sell | 12,311 | $1.33 | $16.4K | 31,524-28% |
Showing 1–50 of 73
1 / 2
EOSE Insider Buying Activity
The following table shows recent insider purchases of Eos Energy Enterprises, Inc. (EOSE) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 10, 2026 | Urban David | director | Buy | 16,250 | $6.16 | $100.1K | 62,471+35% |
| Mar 3, 2026 | Mastrangelo Joe | director, officer: Chief Executive Officer | Buy | 60,000 | $5.75 | $345.0K | 1,463,226 |
| Aug 15, 2024 | DIMITRIEF ALEXANDER | Director | Buy | 3,000 | $1.90 | $5.7K | 172,347 |
| Aug 13, 2024 | DIMITRIEF ALEXANDER | Director | Buy | 2,000 | $1.68 | $3.4K | 169,347 |
| Aug 9, 2024 | Mastrangelo Joe | Chief Executive Officer | Buy | 52,800 | $1.43 | $75.5K | 909,793 |
| Mar 8, 2024 | DIMITRIEF ALEXANDER | Director | Buy | 5,000 | $1.13 | $5.6K | 10,000+100% |
| Sep 21, 2023 | Mastrangelo Joe | Chief Executive Officer | Buy | 36,500 | $2.05 | $74.8K | 590,799 |
| Jul 28, 2023 | DIMITRIEF ALEXANDER | Director | Buy | 5,000 | $2.13 | $10.6K | 5,000 |
| Jul 28, 2023 | Kroeker Nathan | Chief Financial Officer | Buy | 4,000 | $2.15 | $8.6K | 4,000 |
| Jul 28, 2023 | Mastrangelo Joe | Chief Executive Officer | Buy | 31,199 | $2.23 | $69.6K | 554,299 |
EOSE Insider Selling Activity
The following table shows recent insider sales of Eos Energy Enterprises, Inc. (EOSE) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 29, 2026 | Walters Marian | director | Sell | 30,000 | $9.18 | $275.4K | 158,445 |
| May 22, 2026 | Walters Marian | director | Sell | 22,319 | $7.20 | $160.7K | 158,445 |
| May 19, 2026 | Walters Marian | director | Sell | 7,681 | $7.07 | $54.3K | 135,334 |
| Jan 23, 2026 | Kroeker Nathan | CCO and Interim CFO | Sell | 50,000 | $16.04 | $802.0K | 662,512 |
| Jan 22, 2026 | Silberman Michael W | Chief Legal Officer | Sell | 41,667 | $17.74 | $739.2K | 0 |
| Dec 5, 2025 | DIMITRIEF ALEXANDER | Director | Sell | 17,704 | $15.03 | $266.1K | 0 |
| Dec 5, 2025 | Stidolph Russell Monoki | Director | Sell | 826,438 | $14.96 | $12.37M | 0 |
| Dec 4, 2025 | Bornstein Jeffrey S | Director | Sell | 40,328 | $15.19 | $612.5K | 115,759-26% |
| Dec 4, 2025 | Walters Marian | Director | Sell | 66,933 | $15.79 | $1.06M | 0 |
| Sep 5, 2025 | Puri Sumeet | Chief Accounting Officer | Sell | 40,501 | $7.11 | $288.1K | 184,290 |
| Sep 3, 2025 | Walters Marian | Director | Sell | 50,000 | $7.90 | $395.0K | 0 |
| Aug 4, 2025 | DIMITRIEF ALEXANDER | Director | Sell | 45,000 | $6.00 | $270.0K | 219,452 |
| Jul 25, 2025 | Kroeker Nathan | CCO and Interim CFO | Sell | 99,375 | $5.94 | $590.3K | 612,512 |
| Jul 25, 2025 | Mastrangelo Joe | Chief Executive Officer | Sell | 166,667 | $5.94 | $990.0K | 0 |
| Jul 25, 2025 | Puri Sumeet | Chief Accounting Officer | Sell | 17,500 | $5.94 | $104.0K | 136,457 |
| Jul 25, 2025 | Silberman Michael W | General Counsel | Sell | 65,625 | $5.94 | $389.8K | 0 |
| Jul 5, 2025 | Mastrangelo Joe | Chief Executive Officer | Sell | 127,152 | $4.92 | $625.6K | 1,236,560 |
| Jul 3, 2025 | Kroeker Nathan | CCO and Interim CFO | Sell | 71,378 | $5.02 | $358.2K | 0 |
| May 16, 2025 | Kroeker Nathan | Chief Commercial Officer | Sell | 152,856 | $6.86 | $1.05M | 403,815-27% |
| May 16, 2025 | Mastrangelo Joe | Chief Executive Officer | Sell | 270,384 | $6.86 | $1.85M | 0 |
| May 16, 2025 | Puri Sumeet | Chief Accounting Officer | Sell | 36,173 | $6.86 | $248.1K | 0 |
| May 16, 2025 | Silberman Michael W | General Counsel | Sell | 100,943 | $6.86 | $692.5K | 0 |
| May 14, 2025 | Bornstein Jeffrey S | Director | Sell | 42,105 | $6.94 | $292.2K | 148,087 |
| May 14, 2025 | Demby Claude | Director | Sell | 31,579 | $6.94 | $219.2K | 141,708 |
| May 14, 2025 | Stidolph Russell Monoki | Director | Sell | 42,105 | $6.94 | $292.2K | 0 |
| Jan 23, 2025 | Kroeker Nathan | Chief Financial Officer | Sell | 40,515 | $6.19 | $250.8K | 245,296 |
| Jan 22, 2025 | Silberman Michael W | General Counsel | Sell | 26,611 | $5.84 | $155.4K | 56,722-32% |
| Sep 12, 2024 | Bornstein Jeffrey S | Director | Sell | 162,720 | $2.63 | $427.7K | 84,929-66% |
| Sep 5, 2024 | Puri Sumeet | Chief Accounting Officer | Sell | 18,786 | $2.33 | $43.8K | 49,547-27% |
| Jul 5, 2024 | Kroeker Nathan | Chief Financial Officer | Sell | 41,321 | $1.92 | $79.3K | 185,811 |
| Jul 5, 2024 | Mastrangelo Joe | Chief Executive Officer | Sell | 115,683 | $1.92 | $222.1K | 856,993 |
| Jul 3, 2024 | Kroeker Nathan | Chief Financial Officer | Sell | 21,096 | $1.77 | $37.3K | 122,124 |
| Jan 27, 2024 | Berube Melissa | General Counsel | Sell | 81,232 | $1.04 | $84.5K | 171,836-32% |
| Jan 23, 2024 | Kroeker Nathan | Chief Financial Officer | Sell | 44,650 | $1.08 | $48.2K | 89,610-33% |
| Jan 3, 2024 | Mastrangelo Joe | Chief Executive Officer | Sell | 122,427 | $0.99 | $121.8K | 718,372 |
| Oct 30, 2023 | Kroeker Nathan | Chief Financial Officer | Sell | 9,740 | $1.59 | $15.5K | 34,260 |
| Sep 7, 2023 | Demby Claude | Director | Sell | 20,143 | $2.78 | $56.0K | 62,012 |
| Jun 15, 2023 | Berube Melissa | General Counsel | Sell | 8,113 | $3.22 | $26.1K | 48,411 |
| Feb 14, 2023 | Tedone John J | Chief Accounting Officer | Sell | 6,180 | $1.35 | $8.3K | 25,487 |
| Feb 9, 2023 | Berube Melissa | General Counsel | Sell | 12,311 | $1.33 | $16.4K | 31,524-28% |
EOSE Insiders
Mastrangelo Joe
director, officer: Chief Executive Officer
Bought $838.4KSold $4.72M
14 tradesLast: Mar 3, 2026
Similar Stocks to EOSE
BE
Bloom Energy Corporation
$261.27+4.92%
$74.98B
AME
AMETEK, Inc.
$226.96+0.33%
$51.93B
AEIS
Advanced Energy Industries, Inc.
$354.86+4.19%
$11.64B
POWL
Powell Industries, Inc.
$294.57+1.40%
$10.70B
AYI
Acuity Brands, Inc.
$294.87+2.17%
$9.09B
ENS
EnerSys
$225.59+1.20%
$8.27B
PLUG
Plug Power Inc.
$2.77-2.47%
$3.34B
HAYW
Hayward Holdings, Inc.
$14.61-0.68%
$3.19B