Robert Matthew Johnson
President & CEO at Silicon Laboratories Inc.
Sits on 2 boards. Last updated September 27, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 6 years
- Director since
- 2023
6 years of board service in total across 2 boards, counting each seat separately. Longest: Silicon Laboratories 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.
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Novanta Inc. May 28, 202698.3%
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Novanta Inc. May 29, 202599.9%
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Novanta Inc. May 8, 202499.9%
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 |
|---|---|---|---|---|---|
| May 18, 2026 | Silicon Laboratories Inc. | Open-market sale | −8,024 | $216.83 | $1,739,844 |
| May 15, 2026 | Silicon Laboratories Inc. | Shares withheld for tax | −10,363 | $216.59 | $2,244,522 |
| Feb 15, 2026 | Silicon Laboratories Inc. | Grant or award | +25,218 | — | — |
| Jan 2, 2026 | Novanta Inc. | Option exercise | +1,325 | — | — |
| May 16, 2025 | Silicon Laboratories Inc. | Open-market sale | −5,879 | $131.20 | $771,325 |
| May 15, 2025 | Silicon Laboratories Inc. | Grant or award | +39,282 | — | — |
| May 15, 2025 | Silicon Laboratories Inc. | Shares withheld for tax | −7,625 | $133.17 | $1,015,421 |
| May 8, 2025 | Novanta Inc. | Option exercise | +818 | — | — |
| Jun 3, 2024 | Silicon Laboratories Inc. | Open-market sale | −7,230 | $123.80 | $895,074 |
| May 15, 2024 | Silicon Laboratories Inc. | Shares withheld for tax | −9,373 | $131.57 | $1,233,206 |
| May 15, 2024 | Silicon Laboratories Inc. | Grant or award | +23,956 | — | — |
| Jan 18, 2024 | Silicon Laboratories Inc. | Grant or award | +9,507 | — | — |
| Dec 4, 2023 | Silicon Laboratories Inc. | Open-market sale | −3,679 | $108.22 | $398,141 |
| Oct 2, 2023 | Silicon Laboratories Inc. | Open-market sale | −3,534 | $115.23 | $407,223 |
| Aug 2, 2023 | Silicon Laboratories Inc. | Open-market sale | −3,498 | $144.06 | $503,922 |
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