Necip Sayiner
Sits on 5 boards. Overboarded · 5 public boards Last updated September 28, 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 | — | — |
Questions about Necip Sayiner
What boards is Necip Sayiner on?
Necip Sayiner sits on the boards of Axcelis Technologies Inc., Power Integrations Inc., Rambus Inc., Sandisk Corporation and Teradyne Inc.
How long has Necip Sayiner served on boards?
Our records show at least 13 years of board service across 5 boards, the earliest from 2023.
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