Insider · CIK 0002025334
Stephen Mitchell Howell Jr.
Files at RIOT (Riot Platforms, Inc.). First filing -, latest -.
In brief
Stephen Mitchell Howell Jr. files SEC Form 4 as COO at RIOT (Riot Platforms, Inc.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Stephen Mitchell Howell Jr. has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 10 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 12, 2026 | RIOT Riot Platforms, Inc. | GGift Common Stock | -21,198 | $0.00 | $0 | 1,834,408 | Aug 14, 2026 |
| Jul 31, 2026 | RIOT Riot Platforms, Inc. | FTax withholding Common Stock | -153,162 | $20.17 | $3.1M | 1,855,606 | Aug 4, 2026 |
| Jul 1, 2026 | RIOT Riot Platforms, Inc. | FTax withholding Common Stock | -21,966 | $23.96 | $526k | 2,008,768 | Jul 6, 2026 |
| Jan 1, 2026 | RIOT Riot Platforms, Inc. | FTax withholding Common Stock | -29,482 | $12.67 | $374k | 1,438,786 | Jan 5, 2026 |
| Jan 1, 2026 | RIOT Riot Platforms, Inc. | AGrant or award Common Stock | +197,316 | $0.00 | $0 | 1,636,102 | Jan 5, 2026 |
| Jan 1, 2026 | RIOT Riot Platforms, Inc. | AGrant or award Common Stock | +394,632 | $0.00 | $0 | 2,030,734 | Jan 5, 2026 |
| Jul 1, 2025 | RIOT Riot Platforms, Inc. | FTax withholding Common Stock | -20,345 | $11.27 | $229k | 802,785 | Oct 10, 2025 |
| Jul 1, 2025 | RIOT Riot Platforms, Inc. | FTax withholding Common Stock | -20,345 | $11.27 | $229k | 802,785 | Jul 3, 2025 |
| Jul 1, 2025 | RIOT Riot Platforms, Inc. | AGrant or award Common Stock | +221,827 | $0.00 | $0 | 1,024,612 | Jul 3, 2025 |
| Jul 1, 2025 | RIOT Riot Platforms, Inc. | AGrant or award Common Stock | +443,656 | $0.00 | $0 | 1,468,268 | Jul 3, 2025 |
Questions about Stephen Mitchell Howell Jr.
Answered from the filings on this page, as of the latest one.
Is Stephen Mitchell Howell Jr. buying or selling?
Stephen Mitchell Howell Jr. has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Stephen Mitchell Howell Jr.'s past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Stephen Mitchell Howell Jr. has 0.
Where does Stephen Mitchell Howell Jr. file Form 4?
Stephen Mitchell Howell Jr. has filed Form 4 at RIOT (Riot Platforms, Inc.) as COO. 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.