Chris Ph.d. Diorio

Companies

• ImpinjBoard member Jul 20, 2016 to now¹
• ImpinjChief executive officer Jul 20, 2016 to now¹

Holdings

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

Shares held

• Impinj PI555,627 shares²$97.2M at $175.00Sep 24, 2026

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

Recent filings

• Sep 23, 2026Shares withheld for tax 1,197 shares at $177.20 of Impinj²
• Sep 23, 2026Exercised options 1,817 shares of Impinj²
• Sep 23, 2026Exercised options 1,224 shares of Impinj²
• Sep 14, 2026Gift 10,000 shares of Impinj³
• Aug 20, 2026Shares withheld for tax 1,477 shares at $159.73 of Impinj⁴
• Aug 20, 2026Exercised options 3,753 shares of Impinj⁴
• Aug 17, 2026Gift 10,000 shares of Impinj⁵
• Jul 13, 2026Gift 10,000 shares of Impinj⁶
• Jun 23, 2026Shares withheld for tax 1,197 shares at $125.22 of Impinj⁷
• Jun 23, 2026Exercised options 1,817 shares of Impinj⁷
• Jun 23, 2026Exercised options 1,223 shares of Impinj⁷
• Jun 15, 2026Gift 10,000 shares of Impinj⁸
• May 26, 2026Other 180,000 shares at $156.68 of Impinj⁹
• May 26, 2026Other 180,000 shares at $156.68 of Impinj⁹
• Mar 23, 2026Shares withheld for tax 2,218 shares at $101.17 of Impinj¹⁰
• Mar 23, 2026Exercised options 1,817 shares of Impinj¹⁰
• Mar 23, 2026Exercised options 1,224 shares of Impinj¹⁰
• Mar 23, 2026Exercised options 2,594 shares of Impinj¹⁰
• Feb 20, 2026Shares withheld for tax 7,435 shares at $127.92 of Impinj¹¹
• Feb 20, 2026Granted 21,734 shares of Impinj¹¹
• Feb 17, 2026Gift 1,836 shares of Impinj¹²
• Dec 23, 2025Shares withheld for tax 2,218 shares at $171.99 of Impinj¹³
• Dec 23, 2025Exercised options 1,817 shares of Impinj¹³
• Dec 23, 2025Exercised options 1,224 shares of Impinj¹³
• Dec 23, 2025Exercised options 2,594 shares of Impinj¹³