Form4insider filings, from the source

Company · CIK 0000883241 · SIC 7372 — Services-Prepackaged Software · Nasdaq

SYNOPSYS INC · SNPS

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $38.0M · 3net −$38.0M
$10k$10k$1M$1M$100M$100MbuyssalesAug 27Sep 1Sep 6Sep 11Sep 17Sep 22Sep 27

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 SForm 4 →Sep 16, 4:11 pm EDTSassine GhaziPRESIDENT AND CEO, Director14,604$374.88$5,474,68376,865−16.0%10b5-1
Sep 15, 2026 MForm 4 →Sep 16, 4:11 pm EDTSassine GhaziPRESIDENT AND CEO, Director14,604$135.88$1,984,39291,469—10b5-1
Sep 11, 2026 FMForm 4 →Sep 14, 4:28 pm EDTJanet LeeGC & Corporate Secretary3,276$397.38$394,59817,678—
Sep 1, 2026 FMForm 4 →Sep 2, 3:48 pm EDTJanet LeeGC & Corporate Secretary1,003$414.82$126,10516,388—
Aug 31, 2026 JForm 4 →Sep 2, 3:35 pm EDTSassine GhaziPRESIDENT AND CEO, Director27$360.96$9,74676,865—
Aug 31, 2026 JForm 4 →Sep 2, 3:29 pm EDTSudhindra KankanwadiDeputy CFO & CAO27$360.96$9,74622,717—
Aug 31, 2026 JForm 4 →Sep 2, 3:19 pm EDTMichael EllowChief Revenue Officer27$360.96$9,7462,612—
Aug 31, 2026 SForm 4 →Sep 2, 3:14 pm EDTAart De GeusEXECUTIVE CHAIR, Director49,641$430.68$21,379,539120,443−29.2%10b5-1
Aug 31, 2026 JMForm 4 →Sep 2, 3:14 pm EDTAart De GeusEXECUTIVE CHAIR, Director49,663$135.98$6,753,160145,084—10b5-1
Aug 28, 2026 SForm 4 →Aug 31, 6:40 pm EDTAart De GeusEXECUTIVE CHAIR, Director25,000$445.55$11,138,755120,421−17.2%10b5-1
Aug 28, 2026 MForm 4 →Aug 31, 6:40 pm EDTAart De GeusEXECUTIVE CHAIR, Director25,000$135.88$3,397,000145,421—10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 MForm 4 →Sep 16, 4:11 pm EDTSassine GhaziPRESIDENT AND CEO, Director14,604——14,604—10b5-1
Sep 11, 2026 MForm 4 →Sep 14, 4:28 pm EDTJanet LeeGC & Corporate Secretary2,283——4,565—
Sep 1, 2026 MForm 4 →Sep 2, 3:48 pm EDTJanet LeeGC & Corporate Secretary699——1,398—
Aug 31, 2026 MForm 4 →Sep 2, 3:14 pm EDTAart De GeusEXECUTIVE CHAIR, Director49,641——0—10b5-1
Aug 28, 2026 MForm 4 →Aug 31, 6:40 pm EDTAart De GeusEXECUTIVE CHAIR, Director25,000——49,641—10b5-1