Synopsys's three largest insider shareholders as of September 29, 2026 are Ajei Gopal (Director, 167.75K shares), Chi-Foon Chan (Co Ceo, 155.12K shares), Geus Aart De (Chairman Of The Board Co Ceo, 122.23K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Ajei Gopal | Director | 167,746 | 0 | 167,746 | 20.5% | 12 Sep, 2025 |
| 2 | Chi-Foon Chan | Co Ceo | 155,120 | 0 | 155,120 | 19.0% | 01 Mar, 2022 |
| 3 | Geus Aart De | Executive Chair | 120,443 | 0 | 120,443 | 14.7% | 02 Sep, 2026 |
| 4 | Joseph W Logan | Chief Revenue Officer | 99,945 | 0 | 99,945 | 12.2% | 02 Sep, 2022 |
| 5 | Sassine Ghazi | President And Ceo | 76,865 | 0 | 76,865 | 9.4% | 16 Sep, 2026 |
| 6 | Trac Pham | Cfo | 39,849 | 0 | 39,849 | 4.9% | 02 Sep, 2022 |
| 7 | Chrysostomos L Nikias | Director | 23,395 | 0 | 23,395 | 2.9% | 22 Aug, 2022 |
| 8 | John F Jr Runkel | Gc Corporate Secretary | 23,383 | 0 | 23,383 | 2.9% | 18 Mar, 2025 |
| 9 | Sudhindra Kankanwadi | Deputy Cfo Cao | 22,717 | 0 | 22,717 | 2.8% | 02 Sep, 2026 |
| 10 | Janet Lee | Gc Corporate Secretary | 17,678 | 0 | 17,678 | 2.2% | 14 Sep, 2026 |
| 11 | Bruce R Chizen | Director | 16,162 | 0 | 16,162 | 2.0% | 17 Apr, 2026 |
| 12 | Janice Chaffin | Director | 15,622 | 0 | 15,622 | 1.9% | 17 Apr, 2026 |
| 13 | John Schwarz | Director | 13,240 | 0 | 13,240 | 1.6% | 17 Apr, 2026 |
| 14 | Ravi K Vijayaraghavan | Director | 3,667 | 0 | 3,667 | 0.4% | 17 Apr, 2026 |
| 15 | Jeannine P Sargent | Director | 2,997 | 0 | 2,997 | 0.4% | 17 Apr, 2026 |
| 16 | Robert G Painter | Director | 2,744 | 0 | 2,744 | 0.3% | 17 Apr, 2026 |
| 17 | Roy Vallee | Director | 2,622 | 0 | 2,622 | 0.3% | 12 Apr, 2024 |
| 18 | Michael Ellow | Chief Revenue Officer | 2,612 | 0 | 2,612 | 0.3% | 02 Sep, 2026 |
| 19 | Marc N Casper | Director | 2,092 | 0 | 2,092 | 0.3% | 12 Apr, 2024 |
| 20 | Luis Borgen | Director | 1,833 | 0 | 1,833 | 0.2% | 14 Apr, 2025 |
| 21 | Richard S. Mahoney | Chief Revenue Officer | 1,511 | 0 | 1,511 | 0.2% | 03 Sep, 2025 |
| 22 | Shelagh Glaser | Cfo | 1,452 | 0 | 1,452 | 0.2% | 16 Jun, 2026 |
| 23 | Peter A Shimer | Director | 1,378 | 0 | 1,378 | 0.2% | 17 Apr, 2026 |
| 24 | Jesse Cohn | Director | 1,082 | 0 | 1,082 | 0.1% | 02 Jun, 2026 |
| 25 | Mercedes Johnson | Director | 453 | 0 | 453 | 0.1% | 17 Apr, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 31 Aug, 2026 | Geus Aart De | Executive Chair | Acquired M | 25,000 | $135.88 | $3.40Mn | 145,421 | Direct |
| 31 Aug, 2026 | Michael Ellow | Chief Revenue Officer | Acquired J | 27 | $360.96 | $9.75K | 2,612 | Direct |
| 31 Aug, 2026 | Sudhindra Kankanwadi | Deputy Cfo Cao | Acquired J | 27 | $360.96 | $9.75K | 22,717 | Direct |
| 31 Aug, 2026 | Sassine Ghazi | President And Ceo | Acquired J | 27 | $360.96 | $9.75K | 76,865 | Direct |
| 01 Sep, 2026 | Janet Lee | Gc Corporate Secretary | Acquired M | 699 | $0.00 | $0 | 16,692 | Direct |
| 01 Sep, 2026 | Janet Lee | Gc Corporate Secretary | Disposed F | 304 | $414.82 | $126.11K | 16,388 | Direct |
| 31 Aug, 2026 | Geus Aart De | Executive Chair | Disposed S | 25,000 | $441.76 | $11.04Mn | 120,421 | Direct |
| 31 Aug, 2026 | Geus Aart De | Executive Chair | Acquired J | 22 | $360.96 | $7.94K | 120,443 | Direct |
| 01 Sep, 2026 | Janet Lee | Gc Corporate Secretary | Disposed M | 699 | $0.00 | $0 | 1,398 | Direct |
| 01 Sep, 2026 | Geus Aart De | Executive Chair | Acquired M | 24,641 | $135.88 | $3.35Mn | 145,084 | Direct |
| 01 Sep, 2026 | Geus Aart De | Executive Chair | Disposed S | 24,641 | $419.44 | $10.34Mn | 120,443 | Direct |
| 31 Aug, 2026 | Geus Aart De | Executive Chair | Disposed M | 25,000 | $0.00 | $0 | 24,641 | Direct |
| 01 Sep, 2026 | Geus Aart De | Executive Chair | Disposed M | 24,641 | $0.00 | $0 | 0 | Direct |
| 28 Aug, 2026 | Geus Aart De | Executive Chair | Acquired M | 25,000 | $135.88 | $3.40Mn | 145,421 | Direct |
| 28 Aug, 2026 | Geus Aart De | Executive Chair | Disposed S | 25,000 | $445.55 | $11.14Mn | 120,421 | Direct |
| 28 Aug, 2026 | Geus Aart De | Executive Chair | Disposed M | 25,000 | $0.00 | $0 | 49,641 | Direct |
| 16 Aug, 2026 | Janet Lee | Gc Corporate Secretary | Acquired M | 729 | $0.00 | $0 | 16,311 | Direct |
| 16 Aug, 2026 | Janet Lee | Gc Corporate Secretary | Disposed F | 318 | $421.50 | $134.04K | 15,993 | Direct |
| 16 Aug, 2026 | Janet Lee | Gc Corporate Secretary | Disposed M | 729 | $0.00 | $0 | 4,374 | Direct |
| 15 Jun, 2026 | Janet Lee | Gc Corporate Secretary | Acquired M | 540 | $0.00 | $0 | 15,817 | Direct |