Insider · CIK 0001847137
John Shinn
Files at RMBS (RAMBUS INC). First filing Dec 12, 2024, latest May 26, 2026.
In brief
John Shinn files SEC Form 4 as officer at RMBS (RAMBUS INC). Since Dec 12, 2024, John Shinn has reported 0 open-market buys worth $0 and 5 open-market sells worth $1.2M, the latest filed on May 26, 2026.
A track record needs three past buys with six months of prices behind them; John Shinn has 0, so none is measured yet.
The newest scored trade: sold $144k of RMBS on May 22, 2026, filed May 26, 2026, scored 41 (moderate). In the last 12 months: 0 buys worth $0 and 3 sells worth $974k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
RMBS: RAMBUS 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 |
|---|---|---|---|---|---|
| 41Moderate | RAMBUS INC | $144k 1,000 shares | -5% | +167% from low-10% from high | |
| 24Weak | RAMBUS INC | $404k 4,556 shares | -20% | +109% from low-29% from high | |
| 32Weak | RAMBUS INC | $426k 4,557 shares | -17% | +104% from low-30% from high | |
| 37Weak | RAMBUS INC | $59k 790 shares | -4% | +98% from low0% from high | |
| 39Weak | RAMBUS INC | $143k 2,462 shares | -11% | - |
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 |
|---|---|---|---|---|---|
| May 22, 2026 | RMBS RAMBUS INC. | 1,000 0.00% of outstanding | $144k | May 22, 2026 | $830k |
| Mar 10, 2026 | RMBS RAMBUS INC. | 4,556 0.00% of outstanding | $404k | Mar 10, 2026 | $426k |
| Mar 3, 2026 | RMBS RAMBUS INC. | 4,557 0.00% of outstanding | $426k | Mar 3, 2026 | none |
| Aug 4, 2025 | RMBS RAMBUS INC. | 790 0.00% of outstanding | $59k | Aug 4, 2025 | none |
| Mar 21, 2025 | RMBS RAMBUS INC. | 7,632 0.01% of outstanding | $425k | Mar 21, 2025 | $404k |
| Mar 14, 2025 | RMBS RAMBUS INC. | 7,633 0.01% of outstanding | $404k | Mar 14, 2025 | none |
| Dec 12, 2024 | RMBS RAMBUS INC | 2,462 0.00% of outstanding | $143k | Dec 12, 2024 | none |
| Mar 26, 2024 | RMBS RAMBUS INC. | 3,947 0.00% of outstanding | $247k | Mar 26, 2024 | $731k |
| Mar 19, 2024 | RMBS RAMBUS INC. | 3,949 0.00% of outstanding | $232k | Mar 19, 2024 | $499k |
| Mar 12, 2024 | RMBS RAMBUS INC. | 3,889 0.00% of outstanding | $244k | Mar 12, 2024 | $255k |
| Mar 7, 2024 | RMBS RAMBUS INC. | 3,928 0.00% of outstanding | $255k | Mar 7, 2024 | none |
Transactions
Every row this insider has filed, 14 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 22, 2026 | RMBS RAMBUS INC | SOpen-market sale Common Stock | -1,000 | $143.63 | $144k | 21,112 | May 26, 2026 |
| Apr 1, 2026 | RMBS RAMBUS INC | AGrant or award Common Stock | +5,558 | $0.00 | $0 | 24,025 | Apr 3, 2026 |
| Apr 1, 2026 | RMBS RAMBUS INC | FTax withholding Common Stock | -1,913 | $89.95 | $172k | 22,112 | Apr 3, 2026 |
| Mar 10, 2026 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -4,356 | $88.64 | $386k | 18,667 | Mar 11, 2026 |
| Mar 10, 2026 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -200 | $89.55 | $18k | 18,467 | Mar 11, 2026 |
| Mar 3, 2026 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -2,254 | $92.77 | $209k | 25,326 | Mar 4, 2026 |
| Mar 3, 2026 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -1,603 | $94.07 | $151k | 23,723 | Mar 4, 2026 |
| Mar 3, 2026 | RMBS RAMBUS INC | SOpen-market sale Common Stock10b5-1 | -700 | $94.89 | $66k | 23,023 | Mar 4, 2026 |
| Feb 1, 2026 | RMBS RAMBUS INC | AGrant or award Common Stock | +17,276 | $0.00 | $0 | 37,464 | Feb 3, 2026 |
| Feb 1, 2026 | RMBS RAMBUS INC | FTax withholding Common Stock | -9,884 | $113.71 | $1.1M | 27,580 | Feb 3, 2026 |
| Aug 4, 2025 | RMBS RAMBUS INC | SOpen-market sale Common Stock | -790 | $74.61 | $59k | 20,188 | Aug 5, 2025 |
| Apr 1, 2025 | RMBS RAMBUS INC | AGrant or award Common Stock | +8,605 | $0.00 | $0 | 21,795 | Apr 3, 2025 |
| Apr 1, 2025 | RMBS RAMBUS INC | FTax withholding Common Stock | -817 | $52.29 | $43k | 20,978 | Apr 3, 2025 |
| Dec 12, 2024 | RMBS RAMBUS INC | SOpen-market sale Common Stock | -2,462 | $58.13 | $143k | 20,628 | Dec 12, 2024 |
Questions about John Shinn
Answered from the filings on this page, as of the latest one.
Is John Shinn buying or selling?
In the last 12 months John Shinn reported 0 open-market buys worth $0 and 3 open-market sells worth $974k on SEC Form 4; the latest was sold $144k of RMBS on May 22, 2026. Grants, option exercises and tax withholding are not counted.
How did John Shinn's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and John Shinn has 0.
Where does John Shinn file Form 4?
John Shinn has filed Form 4 at RMBS (RAMBUS INC) as SVP, General Counsel. 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.