Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 8 years
- Director since
- 2023
8 years of board service in total across 3 boards, counting each seat separately. Longest: Tigo Energy 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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Nasdaq Inc. June 10, 202697.1%
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Tigo Energy Inc. May 19, 202694.4%
-
Nasdaq Inc. June 11, 202596.8%
-
Tigo Energy Inc. May 19, 202597.8%
-
Nasdaq Inc. June 11, 202496.1%
-
Tigo Energy Inc. May 20, 202481.9%
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Nasdaq Inc. June 21, 202395.8%
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 |
|---|---|---|---|---|---|
| Nov 5, 2026 | Taiwan Semiconductor Manufacturing Company Ltd. | Open-market purchase | +840 | $357.00 | $299,880 |
| Jun 10, 2026 | Nasdaq Inc. | Grant or award | +5,246 | — | — |
| May 20, 2026 | Tigo Energy Inc. | Grant or award | +9,920 | — | — |
| May 20, 2026 | Tigo Energy Inc. | Grant or award | +33,068 | — | — |
| Jan 30, 2026 | Nasdaq Inc. | Gift | −4,680 | — | — |
| Jan 30, 2026 | Nasdaq Inc. | Gift | +4,680 | — | — |
| Nov 25, 2025 | Tigo Energy Inc. | Grant or award | +20,949 | $1.79 | $37,499 |
| Aug 6, 2025 | Tigo Energy Inc. | Option exercise | +11,668 | $0.60 | $7,001 |
| Jun 11, 2025 | Nasdaq Inc. | Grant or award | +5,241 | — | — |
| May 20, 2025 | Tigo Energy Inc. | Grant or award | +126,904 | — | — |
| May 19, 2025 | Tigo Energy Inc. | Grant or award | +39,474 | — | — |
| Nov 23, 2024 | Tigo Energy Inc. | Grant or award | +40,279 | — | — |
| Jun 11, 2024 | Nasdaq Inc. | Grant or award | +7,453 | — | — |
| Jun 11, 2024 | Nasdaq Inc. | Grant or award | +169 | — | — |
| May 21, 2024 | Tigo Energy Inc. | Grant or award | +101,626 | — | — |
Questions about Michael R. Splinter
What boards is Michael R. Splinter on?
Michael R. Splinter sits on the boards of Nasdaq Inc., Taiwan Semiconductor Manufacturing Company Ltd. and Tigo Energy Inc.
How long has Michael R. Splinter served on boards?
Our records show at least 8 years of board service across 3 boards, the earliest from 2023.
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