Necip Sayiner
Sits on 5 boards. Overboarded · 5 public boards Last updated September 27, 2026
Time on boards
- Boards served
- 5
- Current seats
- 5
- Board service
- 13 years
- Director since
- 2023
13 years of board service in total across 5 boards, counting each seat separately. Longest: Rambus Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Teradyne Inc. May 8, 202699.7%
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Axcelis Technologies Inc. May 5, 202698.7%
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Rambus Inc. April 23, 202693.5%
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Sandisk Corporation November 18, 202599.1%
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Axcelis Technologies Inc. May 7, 202595.2%
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Axcelis Technologies Inc. May 9, 202498.2%
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Rambus Inc. April 25, 202497.2%
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 |
|---|---|---|---|---|---|
| Jun 3, 2026 | Axcelis Technologies Inc. | Open-market sale | −1,586 | $157.44 | $249,700 |
| Jun 3, 2026 | Rambus Inc. | Open-market sale | −5,000 | $170.15 | $850,750 |
| May 15, 2026 | Axcelis Technologies Inc. | Grant or award | +1,440 | — | — |
| May 8, 2026 | Teradyne Inc. | Grant or award | +668 | — | — |
| May 8, 2026 | Sandisk Corporation | Open-market sale | −579 | $1,503.11 | $870,301 |
| May 8, 2026 | Rambus Inc. | Open-market sale | −9,824 | $130.18 | $1,278,888 |
| Apr 1, 2026 | Rambus Inc. | Grant or award | +2,223 | — | — |
| Dec 3, 2025 | Sandisk Corporation | Open-market sale | −1,271 | $195.14 | $248,023 |
| Nov 18, 2025 | Sandisk Corporation | Grant or award | +979 | — | — |
| Sep 11, 2025 | Rambus Inc. | Open-market sale | −7,500 | $85.63 | $642,225 |
| Aug 8, 2025 | Rambus Inc. | Open-market sale | −7,500 | $73.53 | $551,475 |
| Jul 1, 2025 | Teradyne Inc. | Grant or award | +2,132 | — | — |
| May 15, 2025 | Axcelis Technologies Inc. | Grant or award | +3,586 | — | — |
| Apr 1, 2025 | Rambus Inc. | Grant or award | +3,824 | — | — |
| Mar 3, 2025 | Sandisk Corporation | Grant or award | +3,771 | — | — |
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