Seraphin Luc (CIK 1341984) reported 24 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-03). Recent activity: Buy RMBS (32,684 shares), Sell RMBS (12,561 shares), Sell RMBS (2,511 shares), Sell RMBS (2,750 shares), Sell RMBS (165 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-03 | RAMBUS INC (RMBS) | President and CEO | Buy | 32,684 | $0 |
| 2026-04-03 | RAMBUS INC (RMBS) | President and CEO | Sell | 12,561 | $1.1M |
| 2026-04-03 | RAMBUS INC (RMBS) | President and CEO | Sell | 2,511 | $216,045 |
| 2026-04-03 | RAMBUS INC (RMBS) | President and CEO | Sell | 2,750 | $239,565 |
| 2026-04-03 | RAMBUS INC (RMBS) | President and CEO | Sell | 165 | $14,578 |
| 2026-03-03 | RAMBUS INC (RMBS) | President and CEO | Sell | 1,679 | $160,899 |
| 2026-03-03 | RAMBUS INC (RMBS) | President and CEO | Sell | 7,225 | $703,570 |
| 2026-03-03 | RAMBUS INC (RMBS) | President and CEO | Sell | 13,654 | $1.3M |
| 2026-03-03 | RAMBUS INC (RMBS) | President and CEO | Sell | 9,469 | $939,041 |
| 2026-03-03 | RAMBUS INC (RMBS) | President and CEO | Sell | 6,587 | $660,017 |
| 2026-03-03 | RAMBUS INC (RMBS) | President and CEO | Sell | 1,300 | $132,145 |
| 2026-02-03 | RAMBUS INC (RMBS) | President and CEO | Sell | 92,523 | $10.5M |
| 2026-02-03 | RAMBUS INC (RMBS) | President and CEO | Buy | 143,744 | $0 |
| 2025-04-24 | RAMBUS INC (RMBS) | President and CEO | Sell | 1,255 | $56,475 |
| 2025-04-24 | RAMBUS INC (RMBS) | President and CEO | Sell | 6,348 | $298,166 |
| 2025-04-16 | RAMBUS INC (RMBS) | President and CEO | Sell | 10,000 | $477,900 |
| 2025-04-08 | RAMBUS INC (RMBS) | President and CEO | Sell | 10,000 | $468,100 |
| 2025-04-03 | RAMBUS INC (RMBS) | President and CEO | Buy | 55,077 | $0 |
| 2025-04-03 | RAMBUS INC (RMBS) | President and CEO | Sell | 5,164 | $270,026 |
| 2025-04-03 | RAMBUS INC (RMBS) | President and CEO | Sell | 10,000 | $508,800 |
| 2025-03-26 | RAMBUS INC (RMBS) | President and CEO | Sell | 10,000 | $586,400 |
| 2025-03-19 | RAMBUS INC (RMBS) | President and CEO | Sell | 10,000 | $537,900 |
| 2025-02-04 | RAMBUS INC (RMBS) | President and CEO | Buy | 191,548 | $0 |
| 2025-02-04 | RAMBUS INC (RMBS) | President and CEO | Sell | 127,869 | $7.7M |
Source: SEC Form 4 filings · as of 2026-04-03