Luc Seraphin
President and CEO at Rambus Inc.
Sits on 1 board. Last updated September 27, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Rambus Inc., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Rambus Inc. April 23, 202698.5%
-
Rambus Inc. April 25, 202498.1%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Apr 2, 2026 | Rambus Inc. | Open-market sale | −2,511 | $86.04 | $216,046 |
| Apr 2, 2026 | Rambus Inc. | Open-market sale | −2,750 | $87.11 | $239,553 |
| Apr 2, 2026 | Rambus Inc. | Open-market sale | −165 | $88.35 | $14,578 |
| Apr 1, 2026 | Rambus Inc. | Grant or award | +32,684 | — | — |
| Apr 1, 2026 | Rambus Inc. | Shares withheld for tax | −12,561 | $89.95 | $1,129,862 |
| Mar 2, 2026 | Rambus Inc. | Open-market sale | −1,679 | $95.83 | $160,899 |
| Mar 2, 2026 | Rambus Inc. | Open-market sale | −7,225 | $97.38 | $703,571 |
| Mar 2, 2026 | Rambus Inc. | Open-market sale | −13,654 | $98.22 | $1,341,096 |
| Mar 2, 2026 | Rambus Inc. | Open-market sale | −9,469 | $99.17 | $939,041 |
| Mar 2, 2026 | Rambus Inc. | Open-market sale | −6,587 | $100.20 | $660,017 |
| Mar 2, 2026 | Rambus Inc. | Open-market sale | −1,300 | $101.65 | $132,145 |
| Feb 1, 2026 | Rambus Inc. | Grant or award | +143,744 | — | — |
| Feb 1, 2026 | Rambus Inc. | Shares withheld for tax | −92,523 | $113.71 | $10,520,790 |
| Apr 23, 2025 | Rambus Inc. | Open-market sale | −6,348 | $46.97 | $298,166 |
| Apr 22, 2025 | Rambus Inc. | Open-market sale | −1,255 | $45.00 | $56,475 |
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