William Abbey

Companies

• Arm HoldingsChief Commercial Officer Mar 18, 2026 to now¹
• Enpro IndustriesBoard member Sep 6, 2022 to now²

Holdings

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

Shares held

• Arm Holdings ARM20,563 shares³$4.7M at $230.97Jun 1, 2026
• Enpro Industries NPO3,359 shares⁴$971.5K at $289.24Feb 12, 2026

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

Recent filings

• Jun 1, 2026Sold 3,922 shares at $415.52 of Arm Holdings³
• Jun 1, 2026Sold 2,644 shares at $383.73 of Arm Holdings³
• May 28, 2026Sold 4,200 shares at $343.81 of Arm Holdings⁵
• May 22, 2026Sold 2,300 shares at $305.82 of Arm Holdings⁶
• May 21, 2026Sold 4,655 shares at $287.03 of Arm Holdings⁷
• May 20, 2026Sold 5,069 shares at $257.18 of Arm Holdings⁸
• May 19, 2026Sold 10,887 shares at $224.14 of Arm Holdings⁸
• May 15, 2026Sold 7,000 shares at $212.55 of Arm Holdings⁹
• May 15, 2026Shares withheld for tax 15,317 shares at $209.16 of Arm Holdings⁹
• May 15, 2026Exercised options 4,706 shares of Arm Holdings⁹
• May 15, 2026Granted 14,400 shares of Arm Holdings⁹
• May 15, 2026Exercised options 1,743 shares of Arm Holdings⁹
• May 15, 2026Granted 4,444 shares of Arm Holdings⁹
• May 15, 2026Exercised options 1,751 shares of Arm Holdings⁹
• May 15, 2026Granted 4,466 shares of Arm Holdings⁹
• Apr 24, 2026Sold 1,577 shares at $221.99 of Arm Holdings⁹
• Apr 23, 2026Sold 1,577 shares at $199.00 of Arm Holdings⁹
• Feb 12, 2026Granted 567 shares at $246.91 of Enpro Industries⁴
• Feb 13, 2025Granted 685 shares at $182.27 of Enpro Industries¹⁰
• Feb 15, 2024Granted 803 shares at $155.66 of Enpro Industries¹¹
• Feb 16, 2023Granted 942 shares at $116.69 of Enpro Industries¹²
• Sep 5, 2022Granted 362 shares at $98.34 of Enpro Industries¹³