Eos Energy Enterprises, Inc. insider trading
Every open-market purchase and sale by Eos Energy Enterprises, Inc.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.
| Date | Insider | Trade | Shares | Price | Value | 1M after | 3M after | 6M after |
|---|
Does following Eos Energy Enterprises, Inc.’s insiders pay?
From November 6, 2020 to September 15, 2026, 23 insiders reported 26 open-market purchases and 29 sales not made under a pre-set plan in Eos Energy Enterprises, Inc. Twelve months after each purchase was reported, the shares were −52.9% against the S&P 500 on average (median −52.3%), over 3 purchases with a full year of prices; 0% beat the index. After sales, the shares moved −56.0% against the index over 12 months (a negative figure means selling was the right call). That rests on fewer than 20 purchases, too few to read much into. Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on November 18, 2020 into $2,183 by November 2, 2026, −22.6% a year. It held shares 30% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $17,671 (+10.1% a year), and held throughout $23,021 (+15.1%).
| Insider | Role | Purchases | 12 months after their purchases | Beat the S&P 500 | Sales | 12 months after their sales | Latest report |
|---|---|---|---|---|---|---|---|
| Mastrangelo Joe | Chief Executive Officer | 8 | — | — | 2 | −16.8% (1) | July 28, 2026 |
| Walters Marian | Director | 1 | — | — | 5 | −67.1% (1) | May 29, 2026 |
| Dimitrief Alexander | Director | 4 | −75.6% (1) | 0% | 1 | −59.3% (1) | March 4, 2026 |
| B. Riley Securities, Inc. | 10% owner | 2 | −41.6% (2) | 0% | 1 | −30.8% (1) | November 17, 2020 |
| Bornstein Jeffrey S | Director | 1 | — | — | 2 | — | December 8, 2025 |
| Brc Group Holdings, Inc. | 10% owner | 0 | — | — | 3 | −74.9% (3) | November 16, 2021 |
| Shribman Daniel | Other | 2 | — | — | 1 | — | November 10, 2022 |
| Stidolph Russell Monoki | Director | 2 | — | — | 1 | — | December 8, 2025 |
| B. Riley Capital Management, LLC | 10% owner | 0 | — | — | 2 | −72.7% (2) | October 18, 2021 |
| Demby Claude | Director | 1 | — | — | 1 | — | September 8, 2023 |
| Gonzales Randall B | Chief Financial Officer | 2 | — | — | 0 | — | May 12, 2022 |
| Riley Bryant R | 10% owner | 0 | — | — | 2 | −74.9% (2) | November 19, 2021 |
| B. Riley Principal Investments, LLC | 10% owner | 0 | — | — | 1 | −74.7% (1) | August 31, 2021 |
| B. Riley Principal Sponsor Co. II, LLC | 10% owner | 0 | — | — | 1 | −73.7% (1) | August 27, 2021 |
| Brc Partners Management Gp, LLC | 10% owner | 0 | — | — | 1 | −25.4% (1) | November 6, 2020 |
| Brc Partners Opportunity Fund, LP | 10% owner | 0 | — | — | 1 | −72.6% (1) | September 29, 2021 |
| Brf Investments, LLC | 10% owner | 0 | — | — | 1 | −72.8% (1) | September 21, 2021 |
| Kroeker Nathan | Chief Commercial Officer | 0 | — | — | 1 | −16.8% (1) | May 16, 2025 |
| Puri Sumeet | Chief Accounting Officer | 0 | — | — | 1 | −16.8% (1) | May 16, 2025 |
| Silberman Michael W | General Counsel | 0 | — | — | 1 | −16.8% (1) | May 16, 2025 |
| Song Haiyan | Director | 1 | — | — | 0 | — | September 15, 2026 |
| Tedone John J | Chief Accounting Officer | 1 | — | — | 0 | — | March 2, 2022 |
| Urban David | Director | 1 | — | — | 0 | — | March 10, 2026 |
When several insiders traded Eos Energy Enterprises, Inc.
Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Eos Energy Enterprises, Inc. in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After 2 selling crowds, −71.3%. One company's history is too short to judge by; the test across every company is the better guide.
| Month | Crowd | 3 months on, vs S&P 500 | 6 months | 12 months |
|---|---|---|---|---|
| December 31, 2025 | 3 selling | −53.1% | −66.6% | not yet |
| September 30, 2021 | 6 selling | −56.5% | −76.1% | −72.6% |
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