Insider · CIK 0001833275
Russell Monoki Stidolph
Files at EOSE (Eos Energy Enterprises, Inc.), AEAE (AltEnergy Acquisition Corp). First filing Dec 8, 2025, latest Dec 8, 2025.
Russell Monoki Stidolph files SEC Form 4 as CEO, director and 10% owner at EOSE (Eos Energy Enterprises, Inc.), and also at AEAE (AltEnergy Acquisition Corp). Since Dec 8, 2025, Russell Monoki Stidolph has reported 0 open-market buys worth $0 and 1 open-market sell worth $11M, the latest filed on Dec 8, 2025.
A track record needs three past buys with six months of prices behind them; Russell Monoki Stidolph has 0, so none is measured yet.
The newest scored trade: sold $11M of EOSE on Dec 5, 2025, filed Dec 8, 2025, scored 50 (moderate). In the last 12 months: 0 buys worth $0 and 1 sell worth $11M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
EOSE: Eos Energy Enterprises, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 50Moderate | Eos Energy Enterprises, Inc. | $11M 766,134 shares | -29% | +388% from low-22% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | 296,439 0.10% of outstanding | $4.4M | Dec 8, 2025 | $9.1M |
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | 29,999 0.01% of outstanding | $450k | Dec 8, 2025 | $7.5M |
| Dec 5, 2025 | EOSE Eos Energy Enterprises, Inc. | 500,000 0.17% of outstanding | $7.5M | Dec 5, 2025 | none |
Transactions
Every row this insider has filed, 22 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | EOSE Eos Energy Enterprises, Inc. | SOpen-market sale Common Stockindirect: See footnote | -500,000 | $14.99 | $7.5M | 2,153,272 | Dec 8, 2025 |
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | SOpen-market sale Common Stockindirect: See footnote | -29,999 | $15.36 | $461k | 2,123,273 | Dec 8, 2025 |
| Dec 5, 2025 | EOSE Eos Energy Enterprises, Inc. | JOther Common Stockindirect: See footnote | -75,000 | $0.00 | $0 | 2,048,273 | Dec 8, 2025 |
| Dec 5, 2025 | EOSE Eos Energy Enterprises, Inc. | JOther Common Stock | +75,000 | $0.00 | $0 | 439,355 | Dec 8, 2025 |
| Dec 5, 2025 | EOSE Eos Energy Enterprises, Inc. | GGift Common Stock | -60,000 | $0.00 | $0 | 379,355 | Dec 8, 2025 |
| Dec 5, 2025 | EOSE Eos Energy Enterprises, Inc. | GGift Common Stock | -15,000 | $0.00 | $0 | 364,355 | Dec 8, 2025 |
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | MOption exercise Common Stock | +30,788 | $14.43 | $444k | 395,143 | Dec 8, 2025 |
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | FTax withholding Common Stock | -30,020 | $14.80 | $444k | 365,123 | Dec 8, 2025 |
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | SOpen-market sale Common Stock | -768 | $14.80 | $11k | 364,355 | Dec 8, 2025 |
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | MOption exercise Common Stock | +145,018 | $1.18 | $171k | 509,373 | Dec 8, 2025 |
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | MOption exercise Common Stock | +120,633 | $2.32 | $280k | 630,006 | Dec 8, 2025 |
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | FTax withholding Common Stock | -18,793 | $14.89 | $280k | 611,213 | Dec 8, 2025 |
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | FTax withholding Common Stock | -11,491 | $14.89 | $171k | 599,722 | Dec 8, 2025 |
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | SOpen-market sale Common Stock | -235,367 | $14.89 | $3.5M | 364,355 | Dec 8, 2025 |
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | MOption exercise Stock Option (Right to Buy)derivative | -30,788 | $0.00 | $0 | 0 | Dec 8, 2025 |
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | MOption exercise Stock Option (Right to Buy)derivative | -145,018 | $0.00 | $0 | 0 | Dec 8, 2025 |
| Dec 8, 2025 | EOSE Eos Energy Enterprises, Inc. | MOption exercise Stock Option (Right to Buy)derivative | -120,633 | $0.00 | $0 | 0 | Dec 8, 2025 |
| May 19, 2025 | EOSE Eos Energy Enterprises, Inc. | AGrant or award Restricted Stock Unitsderivative | +30,815 | $0.00 | $0 | 30,815 | May 21, 2025 |
| May 14, 2025 | EOSE Eos Energy Enterprises, Inc. | MOption exercise Common Stock | +105,263 | $0.00 | $0 | 406,460 | May 16, 2025 |
| May 14, 2025 | EOSE Eos Energy Enterprises, Inc. | DDisposition to issuer Common Stock | -42,105 | $6.94 | $292k | 364,355 | May 16, 2025 |
| May 14, 2025 | EOSE Eos Energy Enterprises, Inc. | MOption exercise Restricted Stock Unitsderivative | -105,263 | $0.00 | $0 | 0 | May 16, 2025 |
| Dec 31, 2024 | AEAE AltEnergy Acquisition Corp | DDisposition to issuer Private Placement Warrantsderivativeindirect: See footnote | -4,000,000 | - | - | 7,600,000 | Jan 3, 2025 |
Questions about Russell Monoki Stidolph
Answered from the filings on this page, as of the latest one.
Is Russell Monoki Stidolph buying or selling?
In the last 12 months Russell Monoki Stidolph reported 0 open-market buys worth $0 and 1 open-market sell worth $11M on SEC Form 4; the latest was sold $11M of EOSE on Dec 5, 2025. Grants, option exercises and tax withholding are not counted.
How did Russell Monoki Stidolph's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Russell Monoki Stidolph has 0.
Where does Russell Monoki Stidolph file Form 4?
Russell Monoki Stidolph has filed Form 4 at EOSE (Eos Energy Enterprises, Inc.); AEAE (AltEnergy Acquisition Corp) as Chief Executive Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.