| $164M | ||
| $143M | ||
| $143M | ||
| $76M | ||
| $60M | ||
| $57M |
Buys | $148,904 | 1 | 8 |
Sells | $40,870,566 | 12 | 92 |
| PAINTER ROBERT G | director | 1 | $148,904 | 0 | $0 | $148,904 |
| LEE JANET | GC & Corporate Secretary | 0 | $0 | 2 | $260,000 | $-260,000 |
| MAHONEY RICHARD S. | Chief Revenue Officer | 0 | $0 | 1 | $4.25M | $-4.25M |
| Glaser Shelagh | CFO | 0 | $0 | 3 | $4.38M | $-4.38M |
| DE GEUS AART | EXECUTIVE CHAIR | 0 | $0 | 1 | $6.98M | $-6.98M |
| Kankanwadi Sudhindra | Chief Accounting Officer | 0 | $0 | 2 | $7.84M | $-7.84M |
| Ghazi Sassine | PRESIDENT AND CEO | 0 | $0 | 3 | $17.17M | $-17.17M |
Synopsys, Inc. provides electronic design automation software products used to design and test integrated circuits. The company offers Fusion Design Platform that provides digital design implementation solutions; Verification Continuum Platform that provides virtual prototyping, static and formal verification, simulation, emulation, field programmable gate array (FPGA)-based prototyping, and debug solutions; and FPGA design products that are programmed to perform specific functions. It also provides intellectual property (IP) solutions for USB, PCI Express, DDR, Ethernet, SATA, MIPI, HDMI, and Bluetooth low energy applications; analog IP, including data converters and audio codecs; and system-on-chip (SoC) infrastructure IP, datapath and building block IP, and verification IP products, as well as mathematical and floating-point components, and Arm AMBA interconnect fabric and peripherals. In addition, the company offers logic libraries and embedded memories; configurable processor cores and application-specific instruction-set processor tools for embedded applications; IP subsystems for audio, sensor, and data fusion functionality; and security IP solutions. Further, it provides Platform Architect solutions for SoC architecture analysis and optimization; virtual prototyping solutions; and HAPS FPGA-based prototyping systems, as well as a series of tools used in the design of optical systems and photonic devices. Additionally, the company offers security testing, managed services, programs and professional services, and training that enable its customers to detect and remediate security vulnerabilities, and defects in the software development lifecycle, as well as manufacturing solutions. It serves electronics, financial services, automotive, medicine, energy, and industrial areas. The company was incorporated in 1986 and is headquartered in Mountain View, California.
Over the last 12 months, insiders at Synopsys, Inc. have bought $148,904 and sold $40.87M worth of Synopsys, Inc. stock.
On average, over the past 5 years, insiders at Synopsys, Inc. have bought $293,995 and sold $117.54M worth of stock each year.
Highest buying activity among insiders over the last 12 months: PAINTER ROBERT G (director) — $148,904.
The last purchase of 350 shares for transaction amount of $148,904 was made by PAINTER ROBERT G (director) on 2025‑09‑11.
| 2026-01-12 | Sale | LEE JANET | GC & Corporate Secretary | 250 0.0001% | $530.00 | $132,500 | -11.17% | |
| 2026-01-07 | Sale | LEE JANET | GC & Corporate Secretary | 250 0.0001% | $510.00 | $127,500 | -3.52% | |
| 2025-12-19 | Sale | Glaser Shelagh | CFO | 2,613 0.0014% | $460.77 | $1.2M | +3.45% | |
| 2025-09-22 | Sale | Kankanwadi Sudhindra | Chief Accounting Officer | 9,873 0.0052% | $500.90 | $4.95M | -9.99% | |
| 2025-09-19 | Sale | Kankanwadi Sudhindra | Chief Accounting Officer | 6,000 0.0031% | $482.00 | $2.89M | -6.45% | |
| 2025-09-11 | PAINTER ROBERT G | director | 350 0.0002% | $425.44 | $148,904 | +5.69% | ||
| 2025-09-05 | Sale | Glaser Shelagh | CFO | 1,043 0.0006% | $609.77 | $635,990 | -22.59% | |
| 2025-09-02 | Sale | Ghazi Sassine | PRESIDENT AND CEO | 11,366 0.0061% | $589.01 | $6.69M | -21.67% | |
| 2025-06-18 | Sale | MAHONEY RICHARD S. | Chief Revenue Officer | 9,010 0.0058% | $471.21 | $4.25M | +1.26% | |
| 2025-06-06 | Sale | Glaser Shelagh | CFO | 5,224 0.0034% | $485.72 | $2.54M | -1.28% | |
| 2025-06-02 | Sale | Ghazi Sassine | PRESIDENT AND CEO | 11,366 0.0072% | $457.93 | $5.2M | +2.92% | |
| 2025-03-06 | Sale | DE GEUS AART | EXECUTIVE CHAIR | 15,705 0.0102% | $444.42 | $6.98M | +6.25% | |
| 2025-03-03 | Sale | Ghazi Sassine | PRESIDENT AND CEO | 11,366 0.0077% | $463.75 | $5.27M | +6.75% | |
| 2025-01-15 | Sale | MAHONEY RICHARD S. | Chief Revenue Officer | 20,838 0.0134% | $506.01 | $10.54M | -5.87% | |
| 2024-08-23 | Sale | Ghazi Sassine | PRESIDENT AND CEO | 10,293 0.0069% | $553.89 | $5.7M | -6.27% | |
| 2024-07-15 | Sale | DE GEUS AART | EXECUTIVE CHAIR | 493 0.0003% | $620.60 | $305,954 | -18.09% | |
| 2024-07-11 | Sale | DE GEUS AART | EXECUTIVE CHAIR | 4,588 0.0031% | $621.68 | $2.85M | -17.12% | |
| 2024-07-10 | Sale | DE GEUS AART | EXECUTIVE CHAIR | 8,648 0.0058% | $620.29 | $5.36M | -18.56% | |
| 2024-07-08 | Sale | DE GEUS AART | EXECUTIVE CHAIR | 5,448 0.0037% | $620.95 | $3.38M | -18.03% | |
| 2024-07-05 | Sale | DE GEUS AART | EXECUTIVE CHAIR | 27,753 0.0187% | $618.58 | $17.17M | -18.82% |
| DE GEUS AART | EXECUTIVE CHAIR | 116671 0.061% | $49.23M | 0 | 53 | |
| Ghazi Sassine | PRESIDENT AND CEO | 71615 0.0374% | $30.22M | 0 | 11 | |
| Kankanwadi Sudhindra | Chief Accounting Officer | 20520 0.0107% | $8.66M | 0 | 20 | |
| Glaser Shelagh | CFO | 17842 0.0093% | $7.53M | 0 | 3 | |
| LEE JANET | GC & Corporate Secretary | 11959 0.0063% | $5.05M | 0 | 2 | |
| PAINTER ROBERT G | director | 2291 0.0012% | $966,687.45 | 1 | 0 | |
| MAHONEY RICHARD S. | Chief Revenue Officer | 1485 0.0008% | $626,595.75 | 0 | 5 | |
| CHAN CHI-FOON | Co-CEO | 155083 0.0811% | $65.44M | 0 | 49 | |
| Logan Joseph W | Chief Revenue Officer | 99907 0.0522% | $42.16M | 0 | 28 | |
| Pham Trac | CFO | 47816 0.025% | $20.18M | 0 | 16 | |
| BEATTIE BRIAN M | EVP, Business Ops. & CAO | 34620 0.0181% | $14.61M | 0 | 28 | |
| COLEMAN DEBORAH A | director | 29019 0.0152% | $12.24M | 0 | 7 | |
| Nikias Chrysostomos L | 23395 0.0122% | $9.87M | 1 | 6 | +4.81% | |
| RUNKEL JOHN F JR | GC & Corporate Secretary | 20000 0.0105% | $8.44M | 0 | 39 | |
| VALLEE ROY | director | 20000 0.0105% | $8.44M | 0 | 10 | |
| CASTINO ALFRED | director | 15982 0.0084% | $6.74M | 0 | 4 | |
| CHIZEN BRUCE R | director | 13165 0.0069% | $5.55M | 0 | 5 | |
| CHAFFIN JANICE | director | 13295 0.0069% | $5.61M | 0 | 5 | |
| Cabrera Brian E | General Counsel & | 10000 0.0052% | $4.22M | 0 | 7 | |
| SCHWARZ JOHN | director | 8962 0.0047% | $3.78M | 0 | 3 | |
| Naddaf Esfandiar | VP, Controller | 6866 0.0036% | $2.9M | 0 | 25 | |
| WALSKE STEVEN | director | 2784 0.0015% | $1.17M | 0 | 11 | |
| CASPER MARC N | director | 1736 0.0009% | $732,505.20 | 1 | 0 | <0.0001% |
| JOHNSON MERCEDES | director | 1543 0.0008% | $651,068.85 | 0 | 6 |
$80,470,071 | 183 | 19.51% | $15.6B | |
$18,937,311 | 35 | 6.38% | $14.07B | |
$200,523,799 | 31 | 3.32% | $2,946.94B | |
$94,416,629 | 18 | 17.30% | $20.05B | |
$28,573,511 | 15 | 15.77% | $113.96B | |
$17,742,980 | 14 | 10.97% | $109.02B | |
$141,855,444 | 13 | -34.36% | $17.19B | |
$4,559,736 | 10 | 11.78% | $442.58B | |
$92,050,563 | 9 | -29.59% | $16.29B | |
$276,157 | 8 | 17.27% | $62.6B | |
$132,189,165 | 8 | 11.69% | $104.44B | |
$459,599,984 | 6 | -40.23% | $14.91B | |
$10,543,900 | 5 | 29.32% | $27.52B | |
$132,382,458 | 4 | 65.97% | $28.84B | |
$1,357,988 | 4 | 5.37% | $15.37B | |
Synopsys, Inc. (SNPS) | $493,568 | 2 | -2.49% | $80.73B |
$208,394 | 1 | 17.38% | $12.63B | |
$3,999,956 | 1 | -59.55% | $68B | |
$212,471 | 1 | -3.24% | $68.17B |
| Increased Positions | 604 | +31.18% | 16M | +9.54% |
| Decreased Positions | 894 | -46.15% | 23M | -13.41% |
| New Positions | 165 | New | 5M | New |
| Sold Out Positions | 242 | Sold Out | 4M | Sold Out |
| Total Postitions | 1,647 | -14.97% | 165M | -3.88% |
| Vanguard Group Inc | $8.73M | 9.52% | 18.18M | -658,524 | -3.5% | 2025-09-30 |
| Blackrock, Inc. | $7.28M | 7.94% | 15.16M | -1M | -6.21% | 2025-09-30 |
| State Street Corp | $4.21M | 4.59% | 8.76M | +156,171 | +1.81% | 2025-09-30 |
| Capital World Investors | $3.61M | 3.93% | 7.5M | -287,259 | -3.69% | 2025-09-30 |
| Fmr Llc | $2.79M | 3.04% | 5.8M | +2M | +45.11% | 2025-09-30 |
| Morgan Stanley | $2.14M | 2.34% | 4.46M | +2M | +101.13% | 2025-09-30 |
| Geode Capital Management, Llc | $2.04M | 2.23% | 4.26M | -186,264 | -4.19% | 2025-09-30 |
| Edgewood Management Llc | $1.78M | 1.94% | 3.7M | +785,332 | +26.93% | 2025-09-30 |
| Price T Rowe Associates Inc /Md/ | $1.6M | 1.74% | 3.32M | -2M | -38.11% | 2025-09-30 |
| Victory Capital Management Inc | $1.36M | 1.48% | 2.82M | +2M | +229.83% | 2025-09-30 |