Aart De Geus
Aart De Geus: EXECUTIVE CHAIR · Director at Synopsys and Director at Applied Materials. What Aart De Geus holds in 2 AI and semiconductor companies tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Synopsys (SNPS)
Aart De Geus holds 443,734 Synopsys shares (0.23% of the company), worth about $215.9M at the last price, according to the Form 4 of Sep 1, 2026.
- Shares held: 308,791 (0.16%), $150.2M — Held through trusts (by Family Trust).
- Shares held: 120,443 (0.06%), $58.6M — Held in their own name.
- Shares held: 14,500 (0.01%), $7.1M — Held through companies or funds (by Partnership).
- Options: 7,323 (0.00%), $3.6M — The right to buy 7,323 shares at $494.43 each, until 2031. Not bought yet.
- Share units: 2,244 (0.00%), $1.1M — Synopsys promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
- Share units: 1,877 (0.00%), $913,273.12 — Synopsys promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
- Share units: 1,763 (0.00%), $857,805.28 — Synopsys promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
- Share units: 1,763 (0.00%), $857,805.28 — Synopsys promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Applied Materials (AMAT)
Aart De Geus holds 93,928 Applied Materials shares (0.01% of the company), worth about $50.6M at the last price, according to the Form 4 of May 21, 2026.
- Shares held: 93,928 (0.01%), $50.6M — Held in their own name.
Declarations
- Synopsys (SNPS) — Form 4 of Sep 1, 2026 (EXECUTIVE CHAIR): option exercise or conversion of 25,000 at $135.88; open-market sale of 25,000 at $441.76; 443,734 shares after 0001249802-26-000010
- Synopsys (SNPS) — Form 4 of Aug 28, 2026 (EXECUTIVE CHAIR): option exercise or conversion of 25,000 at $135.88; open-market sale of 25,000 at $445.55; 443,712 shares after 0001249802-26-000008
- Synopsys (SNPS) — Form 4 of Jun 15, 2026 (EXECUTIVE CHAIR): option exercise or conversion of 449; shares withheld for tax of 156 at $454.38; 443,712 shares after 0001249802-26-000006
- Applied Materials (AMAT) — Form 4 of May 21, 2026: gift of 17,855; 93,928 shares after 0001628280-26-037805
- Synopsys (SNPS) — Form 4 of Mar 15, 2026 (EXECUTIVE CHAIR): option exercise or conversion of 1,763; shares withheld for tax of 630 at $412.63; 443,419 shares after 0001249802-26-000004
- Applied Materials (AMAT) — Form 4 of Mar 12, 2026: grant or award of 741; 111,783 shares after 0001628280-26-017813
- Synopsys (SNPS) — Form 4 of Feb 27, 2026 (EXECUTIVE CHAIR): other of 28 at $351.90; 442,286 shares after 0001249802-26-000002
- Synopsys (SNPS) — Form 4 of Dec 16, 2025 (EXECUTIVE CHAIR) 0001249802-25-000011
- Synopsys (SNPS) — Form 4 of Dec 8, 2025 (EXECUTIVE CHAIR): option exercise or conversion of 1,234; shares withheld for tax of 612 at $465.75; 442,258 shares after 0001249802-25-000009
- Synopsys (SNPS) — Form 4 of Aug 29, 2025 (EXECUTIVE CHAIR): other of 26 at $376.77; 440,877 shares after 0001517737-25-000065
- Synopsys (SNPS) — Form 4 of Mar 15, 2025 (EXECUTIVE CHAIR): option exercise or conversion of 1,764; shares withheld for tax of 875 at $446.23; 440,851 shares after 0001517737-25-000027
- Synopsys (SNPS) — Form 4 of Mar 6, 2025 (EXECUTIVE CHAIR): option exercise or conversion of 15,705 at $89.76; open-market sale of 15,705 at $444.42; 439,962 shares after 0001517737-25-000020
- Applied Materials (AMAT) — Form 4 of Mar 6, 2025: grant or award of 1,583; 111,042 shares after 0001127602-25-008919
- Synopsys (SNPS) — Form 4 of Feb 28, 2025 (EXECUTIVE CHAIR): other of 25 at $388.69; 439,962 shares after 0001517737-25-000014
- Synopsys (SNPS) — Form 4 of Dec 18, 2024 (EXECUTIVE CHAIR) 0001517737-24-000124
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.