Synopsys Inc insider trading

SNPSfinancial statementsForm 4 filings on EDGAR246 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at Synopsys Inc bought $0 of stock in the open market, and 4 sold $51M. Officers and directors accounted for $0 of purchases and $51M of sales. The last reported transaction was an option exercise by Ghazi Sassine on October 15, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 16, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

SNPS daily priceSplit-adjusted prices in US dollars

Bought $0Sold $51MAug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $477.01 · H $482.78 · L $460.14 · C $467.61Bought $0 (0)Sold $0 (0)
$354$396$438$480$5212026-08-04: open $394.89, high $404.33, low $394.00, close $403.862026-08-05: open $409.67, high $412.00, low $400.68, close $400.822026-08-06: open $398.00, high $409.90, low $396.27, close $405.982026-08-07: open $408.79, high $416.44, low $405.62, close $415.992026-08-10: open $416.00, high $421.37, low $411.28, close $411.682026-08-11: open $412.00, high $412.34, low $402.16, close $410.912026-08-12: open $413.75, high $418.38, low $410.18, close $412.322026-08-13: open $412.32, high $416.91, low $403.74, close $411.752026-08-14: open $414.11, high $423.95, low $409.40, close $421.502026-08-17: open $417.61, high $425.78, low $411.51, close $413.222026-08-18: open $410.80, high $412.85, low $402.43, close $404.412026-08-19: open $405.23, high $408.23, low $400.82, close $401.242026-08-20: open $399.60, high $401.42, low $394.57, close $397.922026-08-21: open $400.67, high $401.98, low $394.78, close $397.872026-08-24: open $395.20, high $395.99, low $388.11, close $394.512026-08-25: open $396.34, high $410.93, low $395.25, close $408.792026-08-26: open $405.10, high $419.60, low $403.54, close $410.002026-08-27: open $418.89, high $464.98, low $415.31, close $464.892026-08-28: open $461.85, high $462.45, low $440.60, close $442.612026-08-31: open $437.95, high $445.86, low $434.45, close $439.592026-09-01: open $428.21, high $430.88, low $413.97, close $414.822026-09-02: open $413.78, high $418.73, low $410.52, close $415.972026-09-03: open $419.10, high $419.84, low $413.11, close $416.312026-09-04: open $418.12, high $418.12, low $380.33, close $393.842026-09-08: open $396.82, high $405.80, low $391.46, close $392.032026-09-09: open $391.36, high $398.41, low $387.60, close $393.222026-09-10: open $396.30, high $401.47, low $390.51, close $397.172026-09-11: open $399.50, high $400.83, low $394.25, close $397.382026-09-14: open $393.89, high $395.00, low $379.64, close $381.432026-09-15: open $378.37, high $381.48, low $362.55, close $367.702026-09-16: open $367.50, high $379.94, low $367.45, close $378.472026-09-17: open $384.45, high $386.68, low $377.36, close $381.172026-09-18: open $385.00, high $386.27, low $380.38, close $384.972026-09-21: open $387.33, high $404.06, low $385.92, close $401.852026-09-22: open $406.64, high $412.64, low $402.02, close $409.242026-09-23: open $409.44, high $420.88, low $409.38, close $413.062026-09-24: open $413.50, high $425.97, low $407.02, close $424.912026-09-25: open $445.01, high $445.37, low $424.21, close $425.762026-09-28: open $421.31, high $427.51, low $417.11, close $417.612026-09-29: open $414.60, high $418.00, low $403.33, close $415.092026-09-30: open $421.26, high $445.57, low $415.24, close $434.942026-10-01: open $467.85, high $496.95, low $462.00, close $490.542026-10-02: open $497.86, high $500.03, low $483.24, close $489.902026-10-05: open $496.25, high $508.38, low $482.16, close $488.472026-10-06: open $491.10, high $507.50, low $486.50, close $505.172026-10-07: open $505.35, high $509.50, low $499.00, close $502.672026-10-08: open $501.47, high $511.95, low $495.49, close $497.752026-10-09: open $510.48, high $512.49, low $504.00, close $509.992026-10-12: open $510.31, high $512.00, low $500.00, close $502.512026-10-13: open $497.29, high $503.98, low $490.62, close $494.512026-10-14: open $492.99, high $495.83, low $476.73, close $479.932026-10-15: open $470.77, high $472.17, low $454.49, close $468.112026-10-16: open $464.25, high $469.03, low $448.19, close $454.632026-10-19: open $462.00, high $462.50, low $453.05, close $454.582026-10-20: open $450.88, high $452.00, low $441.09, close $447.622026-10-21: open $451.80, high $459.88, low $450.01, close $451.192026-10-22: open $442.13, high $444.05, low $422.10, close $422.482026-10-23: open $419.42, high $433.71, low $417.60, close $430.142026-10-26: open $431.78, high $457.64, low $431.32, close $454.332026-10-27: open $458.00, high $475.40, low $455.82, close $474.422026-10-28: open $477.30, high $487.36, low $467.24, close $481.892026-10-29: open $477.00, high $491.39, low $473.36, close $490.192026-10-30: open $477.01, high $482.78, low $460.14, close $467.61Insider purchases / sales · USD$20M$0−$20M2026-08-28: 0 purchases ($0), 1 sales ($11M)2026-08-31: 0 purchases ($0), 1 sales ($11M)2026-09-01: 0 purchases ($0), 1 sales ($10M)2026-09-15: 0 purchases ($0), 1 sales ($5M)2026-10-05: 0 purchases ($0), 1 sales ($1M)2026-10-06: 0 purchases ($0), 3 sales ($5M)2026-10-15: 0 purchases ($0), 1 sales ($7M)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

246 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 15, 2026Ghazi SassinePRESIDENT AND CEO, Directoroption exercise14,604$135.88$2M91,469Oct 16, 2026
Oct 15, 2026Ghazi SassinePRESIDENT AND CEO, Directoropen-market sale10b5-114,604$462.84$7M76,865Oct 16, 2026
Oct 6, 2026Lee JanetGC & Corporate Secretaryopen-market sale584$502.64$293K17,094Oct 7, 2026
Oct 6, 2026Lee JanetGC & Corporate Secretaryopen-market sale560$502.39$281K16,534Oct 7, 2026
Oct 6, 2026Kankanwadi SudhindraDeputy CFO & CAOoption exercise9,170$135.88$1M31,887Oct 6, 2026
Oct 6, 2026Kankanwadi SudhindraDeputy CFO & CAOopen-market sale9,170$500.00$5M22,717Oct 6, 2026
Oct 5, 2026Kankanwadi SudhindraDeputy CFO & CAOoption exercise3,000$135.88$408K25,717Oct 6, 2026
Oct 5, 2026Kankanwadi SudhindraDeputy CFO & CAOopen-market sale3,000$484.78$1M22,717Oct 6, 2026
Sep 15, 2026Ghazi SassinePRESIDENT AND CEO, Directoroption exercise14,604$135.88$2M91,469Sep 16, 2026
Sep 15, 2026Ghazi SassinePRESIDENT AND CEO, Directoropen-market sale10b5-114,604$374.88$5M76,865Sep 16, 2026
Sep 11, 2026Lee JanetGC & Corporate Secretaryoption exercise2,283$0.00—18,671Sep 14, 2026
Sep 11, 2026Lee JanetGC & Corporate Secretarytax withholding993$397.38$395K17,678Sep 14, 2026
Sep 1, 2026Lee JanetGC & Corporate Secretaryoption exercise699$0.00—16,692Sep 2, 2026
Sep 1, 2026Lee JanetGC & Corporate Secretarytax withholding304$414.82$126K16,388Sep 2, 2026
Sep 1, 2026DE Geus AartEXECUTIVE CHAIR, Directoroption exercise24,641$135.88$3M145,084Sep 2, 2026
Sep 1, 2026DE Geus AartEXECUTIVE CHAIR, Directoropen-market sale10b5-124,641$419.44$10M120,443Sep 2, 2026
Aug 31, 2026Ghazi SassinePRESIDENT AND CEO, Directorother27$360.96$10K76,865Sep 2, 2026
Aug 31, 2026Kankanwadi SudhindraDeputy CFO & CAOother27$360.96$10K22,717Sep 2, 2026
Aug 31, 2026Ellow MichaelChief Revenue Officerother27$360.96$10K2,612Sep 2, 2026
Aug 31, 2026DE Geus AartEXECUTIVE CHAIR, Directoroption exercise25,000$135.88$3M145,421Sep 2, 2026
Aug 31, 2026DE Geus AartEXECUTIVE CHAIR, Directoropen-market sale10b5-125,000$441.76$11M120,421Sep 2, 2026
Aug 31, 2026DE Geus AartEXECUTIVE CHAIR, Directorother22$360.96$8K120,443Sep 2, 2026
Aug 28, 2026DE Geus AartEXECUTIVE CHAIR, Directoroption exercise25,000$135.88$3M145,421Aug 31, 2026
Aug 28, 2026DE Geus AartEXECUTIVE CHAIR, Directoropen-market sale10b5-125,000$445.55$11M120,421Aug 31, 2026
Aug 16, 2026Lee JanetGC & Corporate Secretaryoption exercise729$0.00—16,311Aug 17, 2026
Aug 16, 2026Lee JanetGC & Corporate Secretarytax withholding318$421.50$134K15,993Aug 17, 2026
Jun 15, 2026Ellow MichaelChief Revenue Officeroption exercise4,048$0.00—4,048Jun 16, 2026
Jun 15, 2026Ellow MichaelChief Revenue Officertax withholding2,007$454.38$912K2,041Jun 16, 2026
Jun 15, 2026Ellow MichaelChief Revenue Officeroption exercise1,080$0.00—3,121Jun 16, 2026
Jun 15, 2026Ellow MichaelChief Revenue Officertax withholding536$454.38$244K2,585Jun 16, 2026
Jun 15, 2026Lee JanetGC & Corporate Secretaryoption exercise540$0.00—15,817Jun 16, 2026
Jun 15, 2026Lee JanetGC & Corporate Secretarytax withholding235$454.38$107K15,582Jun 16, 2026
Jun 15, 2026Kankanwadi SudhindraDeputy CFO & CAOoption exercise720$0.00—22,939Jun 16, 2026
Jun 15, 2026Kankanwadi SudhindraDeputy CFO & CAOtax withholding249$454.38$113K22,690Jun 16, 2026
Jun 15, 2026Glaser ShelaghCFOoption exercise1,259$0.00—1,888Jun 16, 2026
Jun 15, 2026Glaser ShelaghCFOtax withholding436$454.38$198K1,452Jun 16, 2026
Jun 15, 2026Ghazi SassinePRESIDENT AND CEO, Directoroption exercise14,603$135.88$2M89,623Jun 16, 2026
Jun 15, 2026Ghazi SassinePRESIDENT AND CEO, Directoropen-market sale10b5-114,603$458.96$7M75,020Jun 16, 2026
Jun 15, 2026Ghazi SassinePRESIDENT AND CEO, Directoroption exercise3,310$0.00—78,330Jun 16, 2026
Jun 15, 2026Ghazi SassinePRESIDENT AND CEO, Directortax withholding1,492$454.38$678K76,838Jun 16, 2026
Jun 15, 2026DE Geus AartEXECUTIVE CHAIR, Directoroption exercise449$0.00—120,577Jun 16, 2026
Jun 15, 2026DE Geus AartEXECUTIVE CHAIR, Directortax withholding156$454.38$71K120,421Jun 16, 2026
Jun 12, 2026Glaser ShelaghCFOopen-market sale10b5-1indirect3,394$450.02$2M14,358Jun 15, 2026
Jun 1, 2026Lee JanetGC & Corporate Secretaryoption exercise699$0.00—15,581Jun 2, 2026
Jun 1, 2026Lee JanetGC & Corporate Secretarytax withholding304$492.29$150K15,277Jun 2, 2026
Jun 1, 2026Cohn JesseDirectoraward710$0.00—710Jun 2, 2026
Jun 1, 2026Cohn JesseDirectoraward372$0.00—1,082Jun 2, 2026
May 16, 2026Lee JanetGC & Corporate Secretaryoption exercise729$0.00—15,200May 18, 2026
May 16, 2026Lee JanetGC & Corporate Secretarytax withholding318$502.42$160K14,882May 18, 2026
Apr 16, 2026Vijayaraghavan Ravi KDirectoraward453$0.00—3,667Apr 17, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
DE Geus AartEXECUTIVE CHAIR, DirectorSep 1, 2026option exercise145,084—$33M (3)3 of 3
Ghazi SassinePRESIDENT AND CEO, DirectorOct 15, 2026option exercise91,469—$19M (3)3 of 3
Kankanwadi SudhindraDeputy CFO & CAOOct 6, 2026option exercise31,887—$6M (2)0 of 2
Glaser ShelaghCFOJun 15, 2026option exercise1,888—$3M (3)3 of 3
Lee JanetGC & Corporate SecretaryOct 6, 2026open-market sale17,094—$835K (4)2 of 4
Mahoney Richard S.Chief Revenue OfficerAug 29, 2025other1,511———
Runkel John F JRGC & Corporate SecretaryMar 15, 2025option exercise23,534———
Gopal AjeiDirectorSep 11, 2025award166,948———
Ellow MichaelChief Revenue OfficerAug 31, 2026other2,612———
Vijayaraghavan Ravi KDirectorApr 16, 2026award3,667———
Shimer Peter ADirectorApr 16, 2026award1,378———
Painter Robert GDirectorApr 16, 2026award2,744———
Cohn JesseDirectorJun 1, 2026award710———
Schwarz JohnDirectorApr 16, 2026award13,240———
Sargent Jeannine PDirectorApr 16, 2026award2,997———
Johnson MercedesDirectorApr 16, 2026award453———
Chizen Bruce RDirectorApr 16, 2026award16,162———
Chaffin JaniceDirectorApr 16, 2026award15,622———
Borgen LuisDirectorApr 10, 2025award1,833———

Questions

Are Synopsys Inc insiders buying or selling?

Over the twelve months to November 1, 2026, 5 insiders at Synopsys Inc sold $62M of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $62M. Only open-market purchases and sales are counted.

Who sold the most Synopsys Inc stock in the last year?

DE Geus Aart (EXECUTIVE CHAIR, Director) sold $33M in 3 open-market sales over the twelve months to November 1, 2026.

Do Synopsys Inc executives sell under 10b5-1 plans?

11 of the 15 open-market sales in the last twelve months (73%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Synopsys Inc

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.