Insider · CIK 0001872927
William Richard Jackman
Files at RIOT (Riot Platforms, Inc.). First filing Sep 12, 2025, latest Oct 10, 2025.
In brief
William Richard Jackman files SEC Form 4 as officer at RIOT (Riot Platforms, Inc.). Since Sep 12, 2025, William Richard Jackman has reported 0 open-market buys worth $0 and 2 open-market sells worth $7.8M, the latest filed on Oct 10, 2025.
A track record needs three past buys with six months of prices behind them; William Richard Jackman has 0, so none is measured yet.
The newest scored trade: sold $3.9M of RIOT on Sep 10, 2025, filed Oct 10, 2025, scored 48 (moderate).
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
RIOT: Riot Platforms, 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 |
|---|---|---|---|---|---|
| 48Moderate | Riot Platforms, Inc. | $3.9M 248,168 shares | -10% | +161% from low0% from high | |
| 48Moderate | Riot Platforms, Inc. | $3.9M 248,168 shares | -10% | +161% from low0% 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 |
|---|---|---|---|---|---|
| Sep 10, 2025 | RIOT RIOT PLATFORMS, INC. | 248,168 0.07% of outstanding | $3.9M | Sep 10, 2025 | none |
| Dec 8, 2023 | RIOT Riot Platforms, Inc. | 45,000 0.02% of outstanding | $705k | Dec 8, 2023 | none |
| Dec 8, 2023 | RIOT Riot Platforms, Inc. | 12,000 0.01% of outstanding | $189k | Dec 8, 2023 | none |
Transactions
Every row this insider has filed, 4 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jan 1, 2026 | RIOT Riot Platforms, Inc. | AGrant or award Common Stock | +197,316 | $0.00 | $0 | 2,458,473 | Jan 5, 2026 |
| Jan 1, 2026 | RIOT Riot Platforms, Inc. | AGrant or award Common Stock | +394,632 | $0.00 | $0 | 2,853,105 | Jan 5, 2026 |
| Sep 10, 2025 | RIOT Riot Platforms, Inc. | SOpen-market sale Common Stock | -248,168 | $15.78 | $3.9M | 2,261,157 | Oct 10, 2025 |
| Sep 10, 2025 | RIOT Riot Platforms, Inc. | SOpen-market sale Common Stock | -248,168 | $15.78 | $3.9M | 2,261,157 | Sep 12, 2025 |
Questions about William Richard Jackman
Answered from the filings on this page, as of the latest one.
Is William Richard Jackman buying or selling?
Not in the last 12 months. William Richard Jackman's latest open-market trade on SEC Form 4 was sold $3.9M of RIOT on Sep 10, 2025.
How did William Richard Jackman's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and William Richard Jackman has 0.
Where does William Richard Jackman file Form 4?
William Richard Jackman has filed Form 4 at RIOT (Riot Platforms, Inc.) as CHIEF LEGAL OFFICER (CLO). 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.