Eos Energy Enterprises, Inc.
Eos Energy Enterprises, Inc. (EOSEW) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · EOSEW · as of Jun 8, 2026
Activity summary
Buy transactions
4
P-Purchase only
Sell transactions
23
12 Months
Buy/Sell ratio
0.17
Buy/Sell (by trades)
Overall sentiment
Eos Energy Enterprises, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
EOSEW insider buying and selling by quarter
EOSEW insider selling · EOSEW insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · EOSEW ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
EOSEW executive sell shares · EOSEW board member insider trading · EOSEW insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| May 28, 2026 | Walters Marian Director | Option | 30,000 | $35K | Form 4 |
| May 28, 2026 | Walters Marian Director | Sale | 30,000 | $275K | Form 4 |
| May 20, 2026 | Walters Marian Director | Option | 22,319 | $26K | Form 4 |
| May 20, 2026 | Walters Marian Director | Sale | 22,319 | $161K | Form 4 |
| May 19, 2026 | McNeil Jeff Director | Option | 23,111 | — | Form 4 |
| May 19, 2026 | Bornstein Jeffrey S Director | Option | 30,815 | — | Form 4 |
| May 19, 2026 | Bornstein Jeffrey S Director | Other | 12,326 | $85K | Form 4 |
| May 19, 2026 | Demby Claude Director | Option | 23,111 | — | Form 4 |
| May 19, 2026 | Demby Claude Director | Other | 9,244 | $64K | Form 4 |
| May 19, 2026 | DIMITRIEF ALEXANDER Director | Option | 26,963 | — | Form 4 |
| May 19, 2026 | DIMITRIEF ALEXANDER Director | Other | 10,785 | $74K | Form 4 |
| May 19, 2026 | Nixon Gregory S. Director | Award | 23,111 | — | Form 4 |
| May 19, 2026 | Nixon Gregory S. Director | Other | 9,244 | $64K | Form 4 |
| May 19, 2026 | Walters Marian Director | Option | 23,111 | — | Form 4 |
| May 19, 2026 | Walters Marian Director | Option | 7,681 | $9K | Form 4 |
| May 19, 2026 | Walters Marian Director | Sale | 7,681 | $54K | Form 4 |
| May 19, 2026 | Urban David Director | Option | 23,111 | — | Form 4 |
| Mar 9, 2026 | Urban David Director | Purchase | 16,250 | $100K | Form 4 |
| Mar 4, 2026 | Mastrangelo Joe CEO · Director | Purchase | 23,900 | $157K | Form 4 |
| Mar 2, 2026 | DIMITRIEF ALEXANDER Director | Purchase | 15,000 | $91K | Form 4 |
| Mar 2, 2026 | Mastrangelo Joe CEO · Director | Purchase | 60,000 | $345K | Form 4 |
| Jan 23, 2026 | Kroeker Nathan CCO and Interim CFO | Option | 100,000 | — | Form 4 |
| Jan 26, 2026 | Kroeker Nathan CCO and Interim CFO | Sale | 50,000 | $802K | Form 4 |
| Jan 22, 2026 | Silberman Michael W Chief Legal Officer | Option | 83,334 | — | Form 4 |
| Jan 23, 2026 | Silberman Michael W Chief Legal Officer | Sale | 41,667 | $739K | Form 4 |
Mastrangelo Joe
CEO · Director
Date
Mar 4
Shares
23,900
Price
$6.58
Value
$157K
Mastrangelo Joe
CEO · Director
Date
Mar 2
Shares
60,000
Price
$5.75
Value
$345K
Kroeker Nathan
CCO and Interim CFO
Date
Jan 26
Shares
50,000
Price
$16.04
Value
$802K
Silberman Michael W
Chief Legal Officer
Date
Jan 22
Shares
83,334
Price
—
Value
—
Silberman Michael W
Chief Legal Officer
Date
Jan 23
Shares
41,667
Price
$17.74
Value
$739K
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About EOSEW insider trading
EOSEW insider trades
Eos Energy Enterprises, Inc. (EOSEW) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Stidolph Russell Monoki (Director), Walters Marian (Director), Kroeker Nathan (CCO and Interim CFO). Over the past 12 months, 5 insiders have filed transactions with the SEC. EOSEW insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Eos Energy Enterprises, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
EOSEW insider trading · 5 questionsThe insiders of Eos Energy Enterprises, Inc. (EOSEW) include executives and directors such as Stidolph Russell Monoki (Director), Walters Marian (Director), Kroeker Nathan (CCO and Interim CFO), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026