Geus Aart De

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
7 years
Director since
2023

7 years of board service in total across 2 boards, counting each seat separately. Longest: Synopsys Inc., 3 years.

Synopsys Inc. Director ยท EXECUTIVE CHAIR
3 years ยท Since 2023
3 years ยท Since 2023

Chief executive roles

Synopsys Inc. ยท Chairman of the Board & CEO
Dates unknown

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Mar 15, 2025 Synopsys Inc. Option exercise +1,764 โ€” โ€”
Mar 15, 2025 Synopsys Inc. Shares withheld for tax โˆ’875 $446.23 $390,451
Mar 6, 2025 Applied Materials Inc. Grant or award +1,583 โ€” โ€”
Mar 6, 2025 Synopsys Inc. Option exercise +15,705 $89.76 $1,409,681
Mar 6, 2025 Synopsys Inc. Open-market sale โˆ’15,705 $444.42 $6,979,616
Feb 28, 2025 Synopsys Inc. Other +25 $388.69 $9,717
Dec 6, 2024 Synopsys Inc. Option exercise +3,736 โ€” โ€”
Dec 6, 2024 Synopsys Inc. Shares withheld for tax โˆ’1,853 $517.28 $958,520
Dec 6, 2024 Synopsys Inc. Option exercise +11,408 โ€” โ€”
Dec 6, 2024 Synopsys Inc. Shares withheld for tax โˆ’5,657 $517.28 $2,926,253
Dec 6, 2024 Synopsys Inc. Option exercise +1,868 โ€” โ€”
Dec 6, 2024 Synopsys Inc. Shares withheld for tax โˆ’927 $517.28 $479,519
Dec 6, 2024 Synopsys Inc. Option exercise +1,234 โ€” โ€”
Dec 6, 2024 Synopsys Inc. Shares withheld for tax โˆ’612 $517.28 $316,575
Dec 6, 2024 Synopsys Inc. Option exercise +882 โ€” โ€”

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