Samer Abdul Samad

Companies

• Quest DiagnosticsChief financial officer Jul 26, 2022 to now¹
• IDEXX Laboratories, Inc.Board member Jul 18, 2019 to now²
• IlluminaChief financial officer Jan 12, 2017 to Mar 3, 2022³

Holdings

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

Shares held

• QDQuest Diagnostics DGX33,478 shares⁴$8.0M at $239.57Jul 22, 2026
• Illumina ILMN11,297 shares⁵$3.0M at $262.52Mar 1, 2022

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

Recent filings

• Jul 22, 2026Granted 102 shares at $206.81 of Quest Diagnostics⁴
• Apr 20, 2026Granted 108 shares at $194.70 of Quest Diagnostics⁶
• Mar 4, 2026Shares withheld for tax 7,720 shares at $204.86 of Quest Diagnostics⁷
• Mar 4, 2026Granted 13,947 shares at $204.86 of Quest Diagnostics⁷
• Mar 2, 2026Shares withheld for tax 869 shares at $204.86 of Quest Diagnostics⁸
• Feb 18, 2026Shares withheld for tax 1,010 shares at $206.99 of Quest Diagnostics⁹
• Feb 18, 2026Shares withheld for tax 855 shares at $210.01 of Quest Diagnostics⁹
• Feb 18, 2026Granted 3,965 shares of Quest Diagnostics⁹
• Jan 28, 2026Granted 69 shares at $183.51 of Quest Diagnostics⁹
• Oct 21, 2025Granted 68 shares at $189.08 of Quest Diagnostics¹⁰
• Jul 21, 2025L 72 shares at $167.50 of Quest Diagnostics¹¹
• Jul 16, 2025Shares withheld for tax 850 shares at $169.01 of Quest Diagnostics¹²
• Apr 21, 2025L 74 shares at $164.42 of Quest Diagnostics¹³
• Mar 4, 2025Shares withheld for tax 7,684 shares at $173.74 of Quest Diagnostics¹⁴
• Mar 4, 2025Granted 13,884 shares at $173.74 of Quest Diagnostics¹⁴
• Feb 26, 2025Shares withheld for tax 869 shares at $171.75 of Quest Diagnostics¹⁵
• Feb 19, 2025Shares withheld for tax 1,031 shares at $169.71 of Quest Diagnostics¹⁶
• Feb 12, 2025Granted 4,538 shares of Quest Diagnostics¹⁷
• Jan 29, 2025L 35 shares at $158.04 of Quest Diagnostics¹⁸
• Oct 21, 2024L 37 shares at $149.37 of Quest Diagnostics¹⁹
• Jul 22, 2024L 21 shares at $146.97 of Quest Diagnostics²⁰
• Jul 16, 2024Shares withheld for tax 3,910 shares at $142.65 of Quest Diagnostics²¹
• Apr 22, 2024Granted 24 shares at $126.25 of Quest Diagnostics²²
• Feb 28, 2024Shares withheld for tax 656 shares at $126.36 of Quest Diagnostics²³
• Feb 14, 2024Granted 5,478 shares of Quest Diagnostics²⁴