Luc Seraphin
President and CEO at Rambus Inc.
Sits on 1 board. Last updated September 28, 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 |
Questions about Luc Seraphin
What boards is Luc Seraphin on?
Luc Seraphin sits on the board of Rambus Inc.
What company is Luc Seraphin the CEO of?
Luc Seraphin is President and CEO of Rambus Inc.
How long has Luc Seraphin served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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