Luc Seraphin sold $509k of RMBS
President and CEO at RAMBUS INC. 10,000 shares at an average of $50.88, traded Apr 1, 2025, filed Apr 3, 2025.
Score components
- +25RoleCEO
- +18Trade size$509k at market
- 0Share of holdings soldSold 2.8% of holdings
- 0ClusterNo other insider selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +11.1%, 3m +42.8%, 6m +124.7%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0000917273-25-000043, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Apr 1, 2025 | AGrant or award Common Stock10b5-1 | +55,077 | $0.00 | $0 | 362,008 | Apr 3, 2025 |
| Apr 1, 2025 | FTax withholding Common Stock10b5-1 | -5,164 | $52.29 | $270k | 356,844 | Apr 3, 2025 |
| Apr 1, 2025 | SOpen-market sale Common Stock10b5-1 | -10,000 | $50.88 | $509k | 346,844 | Apr 3, 2025 |
Related signals
Other insiders at RAMBUS INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 34Weak | RAMBUS INC | Charles Kissner director | $555k 5,000 shares | -57% | |
| 23Weak | RAMBUS INC | Charles Kissner director | $525k 5,000 shares | -36% | |
| 23Weak | RAMBUS INC | Charles Kissner director | $505k 5,000 shares | -27% | |
| 60Notable | RAMBUS INC | Emiko Higashi director | $1.6M 10,000 shares | -17% | |
| 58Moderate | RAMBUS INC | Necip Sayiner director | $851k 5,000 shares | -22% | |
| 56Moderate | RAMBUS INC | Eric B Stang director | $730k 5,000 shares | -21% | |
| 52Moderate | RAMBUS INC | Emiko Higashi director | $788k 5,000 shares | -8% | |
| 65Notable | RAMBUS INC | Xianzhi Sean Fan EVP, COO | $5.8M 37,914 shares | -18% | |
| 41Moderate | RAMBUS INC | John Shinn SVP, General Counsel | $144k 1,000 shares | -5% | |
| 47Moderate | RAMBUS INC | Steven Laub director | $188k 1,500 shares | -17% |
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.