Mike Slessor

Companies

• Benchmark ElectronicsBoard member Oct 10, 2025 to now¹
• FORMFACTOR INCChief executive officer Feb 11, 2015 to now²
• FORMFACTOR INCBoard member Oct 25, 2013 to now³
• FORMFACTOR INCPresident Oct 25, 2013 to Nov 10, 2014³

Holdings

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

Shares held

• FFORMFACTOR INC FORM466,694 shares⁴$51.9M at $111.23Sep 16, 2026
• BEBenchmark Electronics BHE4,349 shares⁵$310.5K at $71.40May 27, 2026

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

Recent filings

• Sep 16, 2026Sold 1,000 shares at $105.80 of FORMFACTOR INC⁴
• Sep 16, 2026Sold 7,773 shares at $105.12 of FORMFACTOR INC⁴
• Sep 16, 2026Sold 8,737 shares at $104.26 of FORMFACTOR INC⁴
• Aug 14, 2026Sold 686 shares at $133.33 of FORMFACTOR INC⁶
• Aug 14, 2026Sold 5,535 shares at $132.50 of FORMFACTOR INC⁶
• Aug 14, 2026Sold 1,125 shares at $131.65 of FORMFACTOR INC⁶
• Aug 14, 2026Sold 3,282 shares at $130.54 of FORMFACTOR INC⁶
• Aug 14, 2026Sold 2,892 shares at $129.55 of FORMFACTOR INC⁶
• Aug 14, 2026Sold 2,482 shares at $128.72 of FORMFACTOR INC⁶
• Aug 7, 2026Shares withheld for tax 3,288 shares at $117.39 of FORMFACTOR INC⁷
• Aug 7, 2026Exercised options 5,908 shares of FORMFACTOR INC⁷
• Aug 7, 2026Shares withheld for tax 78,908 shares at $117.39 of FORMFACTOR INC⁷
• Aug 7, 2026Exercised options 141,792 shares of FORMFACTOR INC⁷
• Aug 6, 2026Shares withheld for tax 3,357 shares at $115.21 of FORMFACTOR INC⁸
• Aug 6, 2026Exercised options 6,031 shares of FORMFACTOR INC⁸
• Aug 5, 2026Shares withheld for tax 2,028 shares at $114.44 of FORMFACTOR INC⁸
• Aug 5, 2026Exercised options 3,644 shares of FORMFACTOR INC⁸
• Jul 15, 2026Sold 868 shares at $121.30 of FORMFACTOR INC⁹
• Jul 15, 2026Sold 300 shares at $120.58 of FORMFACTOR INC⁹
• Jul 15, 2026Sold 170 shares at $119.08 of FORMFACTOR INC⁹
• Jul 15, 2026Sold 706 shares at $118.21 of FORMFACTOR INC⁹
• Jul 15, 2026Sold 1,650 shares at $117.39 of FORMFACTOR INC⁹
• Jul 15, 2026Sold 1,041 shares at $116.56 of FORMFACTOR INC⁹
• Jun 10, 2026Sold 1,629 shares at $123.37 of FORMFACTOR INC¹⁰
• Jun 10, 2026Sold 2,500 shares at $122.63 of FORMFACTOR INC¹⁰