DE GEUS AART has filed 88 insider transactions across 2 companies since March 2023.
Most recent transaction: a tax payment of 630 shares of SYNOPSYS INC ($SNPS) on March 15, 2026.
Activity breakdown: 0 open-market purchases and 14 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 15, 2026 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | F | Common Stock | 630 | $412.63 | 443,419.0000 | 191,318,206 | 0.14% | 0.00% |
| March 15, 2026 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 1763 | $0.00 | 444,049.0000 | 191,318,206 | 0.40% | 0.00% |
| March 15, 2026 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Restricted Stock Units | 1763 | $0.00 | 1,763.0000 | 191,318,206 | 50.00% | 0.00% |
| March 12, 2026 | APPLIED MATERIALS INC /DE | $AMAT | DE GEUS AART | Director | A | Common Stock | 741 | $0.00 | 111,783.0000 | 799,000,000 | 0.67% | 0.00% |
| Feb. 27, 2026 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | J | Common Stock | 28 | $351.90 | 442,286.0000 | 191,318,206 | 0.01% | 0.00% |
| Dec. 16, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | A | Restricted Stock Units | 2693 | $0.00 | 2,693.0000 | 191,318,206 | 9999.99% | 0.00% |
| Dec. 8, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Restricted Stock Units | 626 | $0.00 | 1,877.0000 | 185,748,673 | 25.01% | 0.00% |
| Dec. 8, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Restricted Stock Units | 882 | $0.00 | 1,763.0000 | 185,748,673 | 33.35% | 0.00% |
| Dec. 8, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Restricted Stock Units | 1234 | $0.00 | 0.0000 | 185,748,673 | 100.00% | 0.00% |
| Dec. 8, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | F | Common Stock | 311 | $465.75 | 442,258.0000 | 185,748,673 | 0.07% | 0.00% |
| Dec. 8, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 626 | $0.00 | 442,569.0000 | 185,748,673 | 0.14% | 0.00% |
| Dec. 8, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | F | Common Stock | 438 | $465.75 | 441,943.0000 | 185,748,673 | 0.10% | 0.00% |
| Dec. 8, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 882 | $0.00 | 442,381.0000 | 185,748,673 | 0.20% | 0.00% |
| Dec. 8, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | F | Common Stock | 612 | $465.75 | 441,499.0000 | 185,748,673 | 0.14% | 0.00% |
| Dec. 8, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 1234 | $0.00 | 442,111.0000 | 185,748,673 | 0.28% | 0.00% |
| Aug. 29, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | J | Common Stock | 26 | $376.77 | 440,877.0000 | 0 | 0.01% | 0.00% |
| March 15, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | F | Common Stock | 875 | $446.23 | 440,851.0000 | 0 | 0.20% | 0.00% |
| March 15, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Restricted Stock Units | 1764 | $0.00 | 3,526.0000 | 0 | 33.35% | 0.00% |
| March 15, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 1764 | $0.00 | 441,726.0000 | 0 | 0.40% | 0.00% |
| March 6, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 15705 | $89.76 | 455,667.0000 | 0 | 3.57% | 0.00% |
| March 6, 2025 | APPLIED MATERIALS INC /DE | $AMAT | DE GEUS AART | Director | A | Common Stock | 1583 | $0.00 | 111,042.0000 | 819,000,000 | 1.45% | 0.00% |
| March 6, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 15705 | $444.42 | 439,962.0000 | 0 | 3.45% | 0.00% |
| March 6, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 15705 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 28, 2025 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | J | Common Stock | 25 | $388.69 | 439,962.0000 | 0 | 0.01% | 0.00% |
| Dec. 18, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | A | Restricted Stock Units | 2503 | $0.00 | 2,503.0000 | 0 | 9999.99% | 0.00% |
| Dec. 18, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | A | Non-Qualified Stock Option (right to buy) | 7323 | $0.00 | 7,323.0000 | 0 | 9999.99% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | F | Common Stock | 438 | $517.28 | 439,937.0000 | 0 | 0.10% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Restricted Stock Units | 3736 | $0.00 | 1,868.0000 | 0 | 66.67% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Restricted Stock Units | 1868 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Restricted Stock Units | 1234 | $0.00 | 1,234.0000 | 0 | 50.00% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Restricted Stock Units | 882 | $0.00 | 2,645.0000 | 0 | 25.01% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Restricted Stock Units | 11408 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 1868 | $0.00 | 439,798.0000 | 0 | 0.43% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | F | Common Stock | 927 | $517.28 | 438,871.0000 | 0 | 0.21% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 1234 | $0.00 | 440,105.0000 | 0 | 0.28% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | F | Common Stock | 612 | $517.28 | 439,493.0000 | 0 | 0.14% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 882 | $0.00 | 440,375.0000 | 0 | 0.20% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 3736 | $0.00 | 434,032.0000 | 0 | 0.87% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | F | Common Stock | 1853 | $517.28 | 432,179.0000 | 0 | 0.43% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 11408 | $0.00 | 443,587.0000 | 0 | 2.64% | 0.00% |
| Dec. 6, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | F | Common Stock | 5657 | $517.28 | 437,930.0000 | 0 | 1.28% | 0.00% |
| Aug. 30, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | J | Common Stock | 22 | $441.64 | 430,296.0000 | 0 | 0.01% | 0.00% |
| July 15, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 493 | $620.60 | 430,274.0000 | 0 | 0.11% | 0.00% |
| July 16, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | G | Common Stock | 186551 | $0.00 | 430,274.0000 | 0 | 30.24% | 0.00% |
| July 15, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 493 | $0.00 | 15,705.0000 | 0 | 3.04% | 0.00% |
| July 15, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 493 | $89.76 | 430,767.0000 | 0 | 0.11% | 0.00% |
| July 11, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 4588 | $89.76 | 434,862.0000 | 0 | 1.07% | 0.00% |
| July 10, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 8648 | $89.76 | 438,922.0000 | 0 | 2.01% | 0.00% |
| July 10, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 8648 | $620.29 | 430,274.0000 | 0 | 1.97% | 0.00% |
| July 11, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 4588 | $621.68 | 430,274.0000 | 0 | 1.06% | 0.00% |
| July 10, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 8648 | $0.00 | 20,786.0000 | 0 | 29.38% | 0.00% |
| July 11, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 4588 | $0.00 | 16,198.0000 | 0 | 22.07% | 0.00% |
| July 5, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 27753 | $618.58 | 430,274.0000 | 0 | 6.06% | 0.00% |
| July 5, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 27753 | $89.76 | 458,027.0000 | 0 | 6.45% | 0.00% |
| July 8, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 5448 | $0.00 | 29,434.0000 | 0 | 15.62% | 0.00% |
| July 5, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 27753 | $0.00 | 34,882.0000 | 0 | 44.31% | 0.00% |
| July 8, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 5448 | $620.95 | 430,274.0000 | 0 | 1.25% | 0.00% |
| July 8, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 5448 | $89.76 | 435,722.0000 | 0 | 1.27% | 0.00% |
| July 3, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 2789 | $89.76 | 433,063.0000 | 0 | 0.65% | 0.00% |
| July 3, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 2789 | $610.94 | 430,274.0000 | 0 | 0.64% | 0.00% |
| July 2, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 4340 | $0.00 | 65,424.0000 | 0 | 6.22% | 0.00% |
| July 2, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 4340 | $89.76 | 434,614.0000 | 0 | 1.01% | 0.00% |
| July 3, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 2789 | $0.00 | 62,635.0000 | 0 | 4.26% | 0.00% |
| July 2, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 4340 | $610.25 | 430,274.0000 | 0 | 1.00% | 0.00% |
| June 28, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 11185 | $89.76 | 441,459.0000 | 0 | 2.60% | 0.00% |
| July 1, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 5893 | $89.76 | 436,167.0000 | 0 | 1.37% | 0.00% |
| June 28, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 11185 | $603.94 | 430,274.0000 | 0 | 2.53% | 0.00% |
| July 1, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 5893 | $0.00 | 69,764.0000 | 0 | 7.79% | 0.00% |
| June 28, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 11185 | $0.00 | 75,657.0000 | 0 | 12.88% | 0.00% |
| July 1, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 5893 | $602.00 | 430,274.0000 | 0 | 1.35% | 0.00% |
| June 27, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 8158 | $89.76 | 438,418.0000 | 0 | 1.90% | 0.00% |
| June 26, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 2899 | $0.00 | 95,000.0000 | 0 | 2.96% | 0.00% |
| June 27, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 8158 | $0.00 | 86,842.0000 | 0 | 8.59% | 0.00% |
| June 26, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 2899 | $89.76 | 433,159.0000 | 0 | 0.67% | 0.00% |
| June 26, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 2899 | $600.57 | 430,260.0000 | 0 | 0.67% | 0.00% |
| June 27, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 8158 | $602.59 | 430,260.0000 | 0 | 1.86% | 0.00% |
| June 25, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 4212 | $0.00 | 97,899.0000 | 0 | 4.12% | 0.00% |
| June 24, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Non-Qualified Stock Option (right to buy) | 2535 | $0.00 | 102,111.0000 | 0 | 2.42% | 0.00% |
| June 25, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 4212 | $600.05 | 430,260.0000 | 0 | 0.97% | 0.00% |
| June 25, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 4212 | $89.76 | 434,472.0000 | 0 | 0.98% | 0.00% |
| June 24, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | S | Common Stock | 2535 | $600.99 | 430,260.0000 | 0 | 0.59% | 0.00% |
| June 24, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 2535 | $89.76 | 432,795.0000 | 0 | 0.59% | 0.00% |
| March 15, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | D | Restricted Stock Units | 1764 | $0.00 | 5,290.0000 | 0 | 25.01% | 0.00% |
| March 15, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | F | Common Stock | 610 | $550.03 | 430,260.0000 | 0 | 0.14% | 0.00% |
| March 15, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | M | Common Stock | 1764 | $0.00 | 430,870.0000 | 0 | 0.41% | 0.00% |
| March 7, 2024 | APPLIED MATERIALS INC /DE | $AMAT | DE GEUS AART | Director | A | Common Stock | 1128 | $0.00 | 109,459.0000 | 845,000,000 | 1.04% | 0.00% |
| Feb. 29, 2024 | SYNOPSYS INC | $SNPS | DE GEUS AART | EXECUTIVE CHAIR | J | Common Stock | 38 | $261.55 | 429,106.0000 | 0 | 0.01% | 0.00% |
| March 9, 2023 | APPLIED MATERIALS INC /DE | $AMAT | DE GEUS AART | Director | A | Common Stock | 2050 | $0.00 | 108,331.0000 | 0 | 1.93% | 0.00% |