Geus Aart De

Companies

• Applied MaterialsBoard member Jul 24, 2007 to now¹
• SynopsysChair Mar 1, 2006 to now²
• SynopsysChief executive officer Mar 1, 2006 to Dec 14, 2023²

Holdings

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

Shares held

• Synopsys SNPS134,943 shares³$61.6M at $456.24Sep 2, 2026
• Applied Materials AMAT93,928 shares⁴$38.2M at $407.19May 21, 2026

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

Recent filings

• Sep 1, 2026Sold 24,641 shares at $419.44 of Synopsys³
• Sep 1, 2026Exercised options 24,641 shares at $135.88 of Synopsys³
• Aug 31, 2026Other 22 shares at $360.96 of Synopsys³
• Aug 31, 2026Sold 25,000 shares at $441.76 of Synopsys³
• Aug 31, 2026Exercised options 25,000 shares at $135.88 of Synopsys³
• Aug 28, 2026Sold 25,000 shares at $445.55 of Synopsys⁵
• Aug 28, 2026Exercised options 25,000 shares at $135.88 of Synopsys⁵
• Jun 15, 2026Shares withheld for tax 156 shares at $454.38 of Synopsys⁶
• Jun 15, 2026Exercised options 449 shares of Synopsys⁶
• May 21, 2026Gift 17,855 shares of Applied Materials⁴
• Mar 15, 2026Shares withheld for tax 630 shares at $412.63 of Synopsys⁷
• Mar 15, 2026Exercised options 1,763 shares of Synopsys⁷
• Mar 12, 2026Granted 741 shares of Applied Materials⁸
• Feb 27, 2026Other 28 shares at $351.90 of Synopsys⁹
• Dec 8, 2025Shares withheld for tax 311 shares at $465.75 of Synopsys¹⁰
• Dec 8, 2025Exercised options 626 shares of Synopsys¹⁰
• Dec 8, 2025Shares withheld for tax 438 shares at $465.75 of Synopsys¹⁰
• Dec 8, 2025Exercised options 882 shares of Synopsys¹⁰
• Dec 8, 2025Shares withheld for tax 612 shares at $465.75 of Synopsys¹⁰
• Dec 8, 2025Exercised options 1,234 shares of Synopsys¹⁰
• Aug 29, 2025Other 26 shares at $376.77 of Synopsys¹¹
• Mar 15, 2025Shares withheld for tax 875 shares at $446.23 of Synopsys¹²
• Mar 15, 2025Exercised options 1,764 shares of Synopsys¹²
• Mar 6, 2025Sold 15,705 shares at $444.42 of Synopsys¹³
• Mar 6, 2025Granted 1,583 shares of Applied Materials¹⁴