Dean Warren Butler

Companies

• Silicon LaboratoriesChief financial officer May 17, 2024 to now¹
• PixelworksBoard member May 13, 2022 to now²
• SynapticsOfficer Oct 22, 2019 to Feb 22, 2024³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Silicon Laboratories SLAB43,767 shares⁴$9.7M at $221.38May 15, 2026
• Synaptics SYNA45,231 shares⁵$5.3M at $117.55Feb 17, 2024
• Pixelworks PXLW33,949 shares⁶$183.0K at $5.39May 20, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• May 20, 2026Granted 8,000 shares of Pixelworks⁶
• May 15, 2026Shares withheld for tax 6,291 shares at $216.59 of Silicon Laboratories⁴
• Apr 30, 2026Granted 152 shares at $86.46 of Silicon Laboratories⁷
• Feb 15, 2026Granted 11,033 shares of Silicon Laboratories⁸
• Oct 31, 2025Granted 177 shares at $86.46 of Silicon Laboratories⁹
• May 23, 2025Granted 176,883 shares of Pixelworks¹⁰
• May 15, 2025Shares withheld for tax 4,148 shares at $133.17 of Silicon Laboratories¹¹
• May 15, 2025Granted 14,731 shares of Silicon Laboratories¹¹
• Apr 30, 2025Granted 164 shares at $86.46 of Silicon Laboratories¹¹
• May 15, 2024Granted 15,971 shares of Silicon Laboratories¹²
• May 15, 2024Granted 11,978 shares of Silicon Laboratories¹²
• May 13, 2024Granted 53,543 shares of Pixelworks¹³
• Feb 17, 2024Shares withheld for tax 1,940 shares at $106.32 of Synaptics⁵
• Feb 17, 2024Granted 1,064 shares of Synaptics⁵
• Nov 20, 2023Sold 504 shares at $106.51 of Synaptics¹⁴
• Nov 20, 2023Sold 2,973 shares at $105.71 of Synaptics¹⁴
• Nov 17, 2023Shares withheld for tax 1,847 shares at $105.68 of Synaptics¹⁴
• Nov 17, 2023Granted 1,064 shares of Synaptics¹⁴
• Oct 21, 2023Shares withheld for tax 2,685 shares at $90.43 of Synaptics¹⁵
• Aug 17, 2023Shares withheld for tax 7,524 shares at $88.71 of Synaptics¹⁶
• Aug 17, 2023Granted 8,026 shares of Synaptics¹⁶
• Aug 17, 2023Granted 27,770 shares of Synaptics¹⁶
• Aug 8, 2023Sold 10,144 shares at $91.17 of Synaptics¹⁷
• May 17, 2023Shares withheld for tax 804 shares at $81.02 of Synaptics¹⁸
• May 17, 2023Granted 1,066 shares of Synaptics¹⁸