Seraphin Luc
SEC CIK 1341984 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| RMBS | RAMBUS INC | Pres, CEO, Dir | 345.8K | — | $21.96M | 56 | 2022-02-01 | 2026-04-02 |
Most active insiders at RMBS, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | FAN XIANZHI SEAN | EVP, COO | — | $5.75M |
| 2 | Seraphin Luc | Pres, CEO, Dir | — | $4.41M |
| 3 | Higashi Emiko | Dir | — | $2.39M |
| 4 | Sayiner Necip | Dir | — | $2.13M |
| 5 | STANG ERIC B | Dir | — | $1.69M |
| 6 | Rao Meera | Dir | — | $1.52M |
| 7 | Lynch Desmond | SVP, CFO | — | $1.35M |
| 8 | KISSNER CHARLES | Dir | — | $1.03M |
| 9 | Shinn John | SVP, GC | — | $974.0K |
| 10 | LAUB STEVEN | Dir | — | $188.3K |
Transactions 56
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-04-03 20:15 | 2026-04-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | A - Grant | $0.00 | +32.7K | 363.8K | +10% | $0 |
| T | 2026-04-03 20:15 | 2026-04-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | F - Tax | $89.95 | -12.6K | 351.2K | -3% | -$1.13M |
| MT | 2026-04-03 20:15 | 2026-04-02 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $86.65 | -5,426 | 345.8K | -2% | -$470.2K |
| MT | 2026-03-03 | 2026-03-02 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $98.63 | -39.9K | 332.4K | -11% | -$3.94M |
| 2026-02-03 | 2026-02-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | F - Tax | $113.71 | -92.5K | 371.0K | -20% | -$10.52M | |
| 2026-02-03 | 2026-02-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | A - Grant | $0.00 | +143.7K | 463.5K | +45% | $0 | |
| M | 2025-04-24 | 2025-04-22+ | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $46.64 | -7,603 | 319.2K | -2% | -$354.6K |
| 2025-04-16 | 2025-04-15 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $47.79 | -10.0K | 326.8K | -3% | -$477.9K | |
| 2025-04-08 | 2025-04-08 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $46.81 | -10.0K | 336.8K | -3% | -$468.1K | |
| 2025-04-03 | 2025-04-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | A - Grant | $0.00 | +55.1K | 362.0K | +18% | $0 | |
| 2025-04-03 | 2025-04-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | F - Tax | $52.29 | -5,164 | 356.8K | -1% | -$270.0K | |
| 2025-04-03 | 2025-04-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $50.88 | -10.0K | 346.8K | -3% | -$508.8K | |
| 2025-03-26 | 2025-03-25 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $58.64 | -10.0K | 306.9K | -3% | -$586.4K | |
| 2025-03-19 | 2025-03-18 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $53.79 | -10.0K | 316.9K | -3% | -$537.9K | |
| 2025-02-04 | 2025-02-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | F - Tax | $60.35 | -127.9K | 326.9K | -28% | -$7.72M | |
| 2025-02-04 | 2025-02-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | A - Grant | $0.00 | +191.5K | 454.8K | +73% | $0 | |
| M | 2024-04-16 | 2024-04-16 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $58.66 | -5,530 | 263.3K | -2% | -$324.4K |
| M | 2024-04-10 | 2024-04-09 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $61.35 | -15.0K | 268.3K | -5% | -$920.2K |
| M | 2024-04-02 | 2024-04-02 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $59.94 | -15.0K | 283.3K | -5% | -$899.0K |
| 2024-04-02 | 2024-04-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | A - Grant | $0.00 | +38.6K | 298.3K | +15% | $0 | |
| M | 2024-03-27 | 2024-03-26 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $62.69 | -15.0K | 269.8K | -5% | -$940.4K |
| M | 2024-03-20 | 2024-03-19 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $58.36 | -15.0K | 274.8K | -5% | -$875.4K |
| M | 2024-03-13 | 2024-03-12 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $62.69 | -15.0K | 289.8K | -5% | -$940.3K |
| M | 2024-03-06 | 2024-03-05 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $62.17 | -15.0K | 314.8K | -5% | -$932.5K |
| 2024-02-06 | 2024-02-05 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | F - Tax | $68.37 | -13.4K | 319.8K | -4% | -$913.6K | |
| 2024-02-02 | 2024-02-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | A - Grant | $0.00 | +221.3K | 476.6K | +87% | $0 | |
| 2024-02-02 | 2024-02-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | F - Tax | $68.15 | -143.5K | 333.1K | -30% | -$9.78M | |
| DM | 2023-05-16 | 2023-05-15 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale+OE | $49.39 | -4,556 | 255.4K | -2% | -$225.0K |
| DM | 2023-05-16 | 2023-05-15 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | M - OptEx | $12.84 | +4,474 | 259.6K | +2% | +$57.4K |
| 2023-05-09 | 2023-05-08 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $47.98 | -12.5K | 255.4K | -5% | -$599.8K | |
| 2023-05-02 | 2023-05-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $44.83 | -12.5K | 267.9K | -4% | -$560.4K | |
| 2023-04-25 | 2023-04-24 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $49.41 | -12.5K | 279.7K | -4% | -$617.6K | |
| 2023-04-18 | 2023-04-17 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $49.58 | -12.5K | 292.2K | -4% | -$619.8K | |
| 2023-04-11 | 2023-04-10 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $48.68 | -12.5K | 304.7K | -4% | -$608.5K | |
| 2023-04-04 | 2023-04-03 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $51.28 | -12.5K | 317.2K | -4% | -$641.0K | |
| 2023-03-28 | 2023-03-27 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $44.99 | -12.5K | 329.7K | -4% | -$562.4K | |
| 2023-03-21 | 2023-03-20 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $44.20 | -12.5K | 342.2K | -4% | -$552.5K | |
| 2023-03-14 | 2023-03-13 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $41.06 | -12.5K | 354.7K | -3% | -$513.2K | |
| 2023-03-07 | 2023-03-06 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $44.83 | -12.5K | 367.2K | -3% | -$560.4K | |
| 2023-02-06 | 2023-02-03 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | F - Tax | $43.62 | -163.1K | 93.2K | -64% | -$7.11M | |
| 2023-02-06 | 2023-02-03 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | A - Grant | $0.00 | +286.5K | 379.7K | +308% | $0 | |
| 2023-02-02 | 2023-02-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | F - Tax | $43.41 | -33.6K | 208.3K | -14% | -$1.46M | |
| 2023-02-02 | 2023-02-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | A - Grant | $0.00 | +47.9K | 256.2K | +23% | $0 | |
| D | 2022-04-27 | 2022-04-25 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | M - OptEx | $12.84 | +8,313 | 249.1K | +3% | +$106.7K |
| D | 2022-04-27 | 2022-04-25 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale+OE | $25.30 | -8,313 | 240.8K | -3% | -$210.3K |
| DM | 2022-04-19 | 2022-04-18 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | M - OptEx | $12.83 | +2,125 | 252.6K | +0.8% | +$27.3K |
| DM | 2022-04-19 | 2022-04-18 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale+OE | $25.76 | -12.5K | 240.8K | -5% | -$322.1K |
| 2022-04-12 | 2022-04-11 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $25.86 | -12.5K | 251.2K | -5% | -$323.2K | |
| 2022-04-05 | 2022-04-04 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $31.43 | -12.5K | 263.7K | -5% | -$392.9K | |
| 2022-03-30 | 2022-03-28 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $32.30 | -12.5K | 276.2K | -4% | -$403.7K | |
| 2022-03-22 | 2022-03-21 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $31.09 | -12.5K | 288.7K | -4% | -$388.6K | |
| 2022-03-15 | 2022-03-14 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $26.68 | -12.5K | 301.2K | -4% | -$333.5K | |
| 2022-03-09 | 2022-03-07 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | S - Sale | $28.11 | -12.5K | 313.7K | -4% | -$351.4K | |
| 2022-02-07 | 2022-02-03 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | F - Tax | $25.07 | -13.1K | 326.2K | -4% | -$328.1K | |
| M | 2022-02-02 | 2022-02-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | A - Grant | $0.00 | +244.2K | 339.3K | +257% | $0 |
| 2022-02-02 | 2022-02-01 | RMBS | RAMBUS INC | Seraphin Luc | Pres, CEO, Dir | F - Tax | $25.56 | -121.4K | 95.1K | -56% | -$3.10M |
Purchase Sale Sale after option exercise All abbreviations