Kenneth J. Widder

Companies

• Personalis (United States)Board member Jun 14, 2023 to now¹
• QuidelBoard member Jun 1, 2022 to now²
• Evoke Pharma IncBoard member Sep 24, 2013 to now³
• QuidelBoard member Nov 19, 2014 to Jun 1, 2022⁴

Holdings

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

Shares held

• Quidel QDEL45,073 shares⁵$574.2K at $12.74Jun 6, 2026
• PUPersonalis (United States) PSNL6,250 shares⁶$98.9K at $15.83May 12, 2026

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

Recent filings

• Jun 6, 2026Granted 273 shares of Quidel⁵
• Jun 6, 2026Granted 910 shares of Quidel⁵
• May 29, 2026Granted 6,829 shares of Quidel⁷
• May 12, 2026Granted 6,250 shares of Personalis (United States)⁶
• Nov 25, 2025Sold 4,026 shares at $27.81 of Quidel⁸
• Nov 25, 2025Exercised options 7,021 shares at $15.74 of Quidel⁸
• May 22, 2025Granted 4,929 shares of Quidel⁹
• May 18, 2025Granted 153 shares of Quidel¹⁰
• May 18, 2025Granted 512 shares of Quidel¹⁰
• Jul 19, 2024Exercised options 3,333 shares at $27.91 of Quidel¹¹
• May 24, 2024Granted 2,416 shares of Quidel¹²
• May 12, 2024Granted 98 shares of Quidel¹³
• May 12, 2024Granted 328 shares of Quidel¹³
• Jun 6, 2023Granted 2,248 shares of Quidel¹⁴
• May 14, 2023Granted 315 shares of Quidel¹⁵
• May 14, 2023Granted 1,050 shares of Quidel¹⁵
• May 27, 2022Returned to company 18,684 shares of CIK 353569¹⁶
• May 27, 2022Granted 18,684 shares of Quidel¹⁷
• May 18, 2022Exercised options 1,624 shares of CIK 353569¹⁸
• May 15, 2022Exercised options 237 shares of CIK 353569¹⁹
• May 15, 2022Exercised options 791 shares of CIK 353569¹⁹