Synopsys insider activity
What the executives and directors of Synopsys actually did with their own shares, decoded from their SEC Form 4 filings. Each figure says the stretch of time it covers.
−$56M
net open-market flow, 12 m
0 open-market buys, 12 m
86%
of sale value on 10b5-1 plans, 12 m
375 days since an insider bought, whole record
The tape: three years of insider trades
Open-market buy
Discretionary sale
Planned sale (10b5-1)
Reported-price path
Routine
Every marker sits at the price reported on the Form 4. The line is the monthly median of all prices insiders reported, so the chart needs no market feed; the grey strip is the routine flow (grants, vestings, tax withholding and gifts) that a headline gets wrong by counting it as selling.
The 117 routine events on the chart, as a list
| Date | Insider | Shares |
|---|---|---|
| Sep 15, 2026 | Ghazi Sassine | 15K |
| Sep 11, 2026 | LEE JANET | 3,276 |
| Sep 1, 2026 | DE GEUS AART | 50K |
| Sep 1, 2026 | LEE JANET | 1,003 |
| Aug 28, 2026 | DE GEUS AART | 25K |
| Aug 16, 2026 | LEE JANET | 1,047 |
| Jun 15, 2026 | DE GEUS AART | 605 |
| Jun 15, 2026 | Ellow Michael | 7,671 |
| Jun 15, 2026 | Kankanwadi Sudhindra | 969 |
| Jun 15, 2026 | LEE JANET | 775 |
| Jun 15, 2026 | Ghazi Sassine | 19K |
| Jun 15, 2026 | Glaser Shelagh | 1,695 |
| Jun 1, 2026 | Cohn Jesse | 1,082 |
| Jun 1, 2026 | LEE JANET | 1,003 |
| May 16, 2026 | LEE JANET | 1,047 |
| Apr 16, 2026 | CHIZEN BRUCE R | 453 |
| Apr 16, 2026 | SCHWARZ JOHN | 453 |
| Apr 16, 2026 | CHAFFIN JANICE | 453 |
| Apr 16, 2026 | JOHNSON MERCEDES | 453 |
| Apr 16, 2026 | Sargent Jeannine P | 453 |
| Apr 16, 2026 | PAINTER ROBERT G | 453 |
| Apr 16, 2026 | Vijayaraghavan Ravi K | 453 |
| Apr 16, 2026 | Shimer Peter A | 453 |
| Mar 15, 2026 | DE GEUS AART | 2,393 |
| Mar 15, 2026 | Kankanwadi Sudhindra | 1,081 |
| Mar 15, 2026 | Ghazi Sassine | 1,780 |
| Mar 15, 2026 | Glaser Shelagh | 1,075 |
| Mar 3, 2026 | LEE JANET | 419 |
| Mar 1, 2026 | LEE JANET | 1,003 |
| Feb 27, 2026 | Shimer Peter A | 925 |
| Feb 16, 2026 | LEE JANET | 3,794 |
| Dec 31, 2025 | LEE JANET | 5,041 |
| Dec 19, 2025 | Glaser Shelagh | 3,657 |
| Dec 8, 2025 | DE GEUS AART | 4,103 |
| Dec 8, 2025 | Kankanwadi Sudhindra | 3,462 |
| Dec 8, 2025 | Ghazi Sassine | 7,463 |
| Dec 8, 2025 | Glaser Shelagh | 7,497 |
| Dec 3, 2025 | LEE JANET | 1,424 |
| Sep 22, 2025 | Kankanwadi Sudhindra | 9,873 |
| Sep 19, 2025 | Kankanwadi Sudhindra | 6,000 |
| Sep 11, 2025 | Gopal Ajei | 1,140 |
| Sep 11, 2025 | Vijayaraghavan Ravi K | 1,140 |
| Sep 5, 2025 | Glaser Shelagh | 3,655 |
| Sep 3, 2025 | LEE JANET | 1,426 |
| Sep 2, 2025 | Ghazi Sassine | 11K |
| Jul 31, 2025 | Gopal Ajei | 163K |
| Jun 18, 2025 | MAHONEY RICHARD S. | 4,141 |
| Jun 15, 2025 | MAHONEY RICHARD S. | 11K |
| Jun 6, 2025 | Glaser Shelagh | 7,310 |
| Jun 2, 2025 | Ghazi Sassine | 11K |
| Apr 10, 2025 | CHIZEN BRUCE R | 491 |
| Apr 10, 2025 | SCHWARZ JOHN | 491 |
| Apr 10, 2025 | CHAFFIN JANICE | 491 |
| Apr 10, 2025 | JOHNSON MERCEDES | 491 |
| Apr 10, 2025 | Sargent Jeannine P | 491 |
| Apr 10, 2025 | Borgen Luis | 491 |
| Apr 10, 2025 | PAINTER ROBERT G | 491 |
| Mar 15, 2025 | RUNKEL JOHN F JR | 557 |
| Mar 15, 2025 | DE GEUS AART | 2,639 |
| Mar 15, 2025 | Kankanwadi Sudhindra | 1,080 |
Where the shares went, last 12 months
Every Form 4 movement decomposed: what flowed in (grants, vested equity, purchases) and what flowed out (tax withholding, plan sales, discretionary sales, gifts). Counted in shares, because grants carry no price.
The chart, in numbers
| Flow | Shares |
|---|---|
| Granted | 5,631 |
| Vested / exercised | 168K |
| Other in | 215 |
| Withheld for tax | 20K |
| Planned sales (10b5-1) | 111K |
| Discretionary sales | 16K |
| Kept | 27K |
Skin in the game
Directly held shares as reported after each trade, indexed to 100 at the start of the window, up to five years back. Direct holdings only: trust and family-entity positions are per-entity in the filings and do not sum honestly, so this chart refuses to guess. The steps are the trades.
The chart, in numbers
| Insider | Start of the window | Latest reported | Indexed, start = 100 |
|---|---|---|---|
| Gopal Ajei | 167K | 168K | 100.7 |
| DE GEUS AART | 75K | 120K | 160.7 |
| Ghazi Sassine | 38K | 77K | 202.7 |
| RUNKEL JOHN F JR | 20K | 23K | 119.1 |
| Kankanwadi Sudhindra | 11K | 23K | 198.3 |
Who holds what
the 14 largest holdings of 21| Insider | Role | Shares held | Buys 12 m | Sales 12 m | 12 m | Last trade |
|---|---|---|---|---|---|---|
| Gopal Ajei | Director | 167K | – | – | – | |
| DE GEUS AART EXECUTIVE CHAIR Last trade Sep 1, 2026 | Officer | 145K | – | $33M | net selling over the year: 0 months buying, 2 months selling | Sep 1, 2026 |
| Ghazi Sassine PRESIDENT AND CEO Last trade Sep 15, 2026 | CEO | 91K | – | $12M | net selling over the year: 0 months buying, 2 months selling | Sep 15, 2026 |
| RUNKEL JOHN F JR GC & Corporate Secretary Last trade Jun 10, 2024 | Officer | 24K | – | – | Jun 10, 2024 | |
| Kankanwadi Sudhindra Deputy CFO & CAO Last trade Sep 22, 2025 | CFO | 23K | – | $7.8M | net selling over the year: 0 months buying, 1 month selling | Sep 22, 2025 |
| VALLEE ROY Last trade Feb 27, 2024 | Director | 23K | – | – | Feb 27, 2024 | |
| LEE JANET GC & Corporate Secretary Last trade Jan 12, 2026 | Officer | 19K | – | $260K | net selling over the year: 0 months buying, 1 month selling | Jan 12, 2026 |
| Glaser Shelagh CFO Last trade Jun 12, 2026 | CFO | 16K | – | $3.2M | net selling over the year: 0 months buying, 2 months selling | Jun 12, 2026 |
| CHIZEN BRUCE R Last trade Apr 17, 2020 | Director | 16K | – | – | Apr 17, 2020 | |
| CHAFFIN JANICE Last trade May 21, 2021 | Director | 16K | – | – | May 21, 2021 | |
| SCHWARZ JOHN Last trade Apr 11, 2019 | Director | 13K | – | – | Apr 11, 2019 | |
| Vijayaraghavan Ravi K | Director | 3,667 | – | – | – | |
| Sargent Jeannine P | Director | 2,997 | – | – | – | |
| PAINTER ROBERT G Last trade Sep 11, 2025 | Director | 2,744 | – | – | Sep 11, 2025 |
Open-market trade log
the 60 most recent of 807| Date | Insider | Type | Shares | Price | Value | Since trade | Filed |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | Ghazi Sassine (CEO) 15K shares $374.88 +11.9% since trade filed Sep 16, 2026 | Planned sale (10b5-1) | 15K | $374.88 | $5.5M | +11.9% | Sep 16, 2026 |
| Sep 1, 2026 | DE GEUS AART (Officer) 25K shares $419.44 +0.0% since trade filed Sep 2, 2026 | Planned sale (10b5-1) | 25K | $419.44 | $10M | +0.0% | Sep 2, 2026 |
| Aug 31, 2026 | DE GEUS AART (Officer) 25K shares $441.76 −5.1% since trade filed Sep 2, 2026 | Planned sale (10b5-1) | 25K | $441.76 | $11M | −5.1% | Sep 2, 2026 |
| Aug 28, 2026 | DE GEUS AART (Officer) 25K shares $445.55 −5.9% since trade filed Aug 31, 2026 | Planned sale (10b5-1) | 25K | $445.55 | $11M | −5.9% | Aug 31, 2026 |
| Jun 15, 2026 | Ghazi Sassine (CEO) 15K shares $458.96 −8.6% since trade filed Jun 16, 2026 | Planned sale (10b5-1) | 15K | $458.96 | $6.7M | −8.6% | Jun 16, 2026 |
| Jun 12, 2026 | Glaser Shelagh (CFO) 3,394 shares $450.02 −6.8% since trade filed Jun 15, 2026 | Planned sale (10b5-1) | 3,394 | $450.02 | $1.5M | −6.8% | Jun 15, 2026 |
| Jan 12, 2026 | LEE JANET (Officer) 250 shares $530.00 −20.9% since trade filed Jan 13, 2026 | Planned sale (10b5-1) | 250 | $530.00 | $133K | −20.9% | Jan 13, 2026 |
| Jan 7, 2026 | LEE JANET (Officer) 250 shares $510.00 −17.8% since trade filed Jan 8, 2026 | Planned sale (10b5-1) | 250 | $510.00 | $128K | −17.8% | Jan 8, 2026 |
| Dec 19, 2025 | Glaser Shelagh (CFO) 1,044 shares $460.77 −9.0% since trade filed Dec 22, 2025 | Planned sale (10b5-1) | 1,044 | $460.77 | $481K | −9.0% | Dec 22, 2025 |
| Dec 19, 2025 | Glaser Shelagh (CFO) 2,613 shares $460.77 −9.0% since trade filed Dec 22, 2025 | Planned sale (10b5-1) | 2,613 | $460.77 | $1.2M | −9.0% | Dec 22, 2025 |
| Sep 22, 2025 | Kankanwadi Sudhindra (Officer) 9,873 shares $500.90 −16.3% since trade filed Sep 23, 2025 | Discretionary sale | 9,873 | $500.90 | $4.9M | −16.3% | Sep 23, 2025 |
| Sep 19, 2025 | Kankanwadi Sudhindra (Officer) 6,000 shares $482.00 −13.0% since trade filed Sep 23, 2025 | Discretionary sale | 6,000 | $482.00 | $2.9M | −13.0% | Sep 23, 2025 |
| Sep 11, 2025 | PAINTER ROBERT G (Director) 350 shares $425.44 −1.4% since trade filed Sep 15, 2025 | Open-market buy | 350 | $425.44 | $149K | −1.4% | Sep 15, 2025 |
| Sep 5, 2025 | Glaser Shelagh (CFO) 1,043 shares $609.77 −31.2% since trade filed Sep 9, 2025 | Planned sale (10b5-1) | 1,043 | $609.77 | $636K | −31.2% | Sep 9, 2025 |
| Sep 5, 2025 | Glaser Shelagh (CFO) 2,612 shares $609.77 −31.2% since trade filed Sep 9, 2025 | Planned sale (10b5-1) | 2,612 | $609.77 | $1.6M | −31.2% | Sep 9, 2025 |
| Sep 2, 2025 | Ghazi Sassine (CEO) 11K shares $589.01 −28.8% since trade filed Sep 3, 2025 | Planned sale (10b5-1) | 11K | $589.01 | $6.7M | −28.8% | Sep 3, 2025 |
| Jun 18, 2025 | MAHONEY RICHARD S. (Officer) 1,192 shares $471.18 −11.0% since trade filed Jun 20, 2025 | Planned sale (10b5-1) | 1,192 | $471.18 | $562K | −11.0% | Jun 20, 2025 |
| Jun 18, 2025 | MAHONEY RICHARD S. (Officer) 2,949 shares $471.27 −11.0% since trade filed Jun 20, 2025 | Planned sale (10b5-1) | 2,949 | $471.27 | $1.4M | −11.0% | Jun 20, 2025 |
| Jun 18, 2025 | MAHONEY RICHARD S. (Officer) 4,869 shares $471.19 −11.0% since trade filed Jun 20, 2025 | Planned sale (10b5-1) | 4,869 | $471.19 | $2.3M | −11.0% | Jun 20, 2025 |
| Jun 6, 2025 | Glaser Shelagh (CFO) 2,086 shares $485.72 −13.7% since trade filed Jun 9, 2025 | Planned sale (10b5-1) | 2,086 | $485.72 | $1.0M | −13.7% | Jun 9, 2025 |
| Jun 6, 2025 | Glaser Shelagh (CFO) 5,224 shares $485.72 −13.7% since trade filed Jun 9, 2025 | Planned sale (10b5-1) | 5,224 | $485.72 | $2.5M | −13.7% | Jun 9, 2025 |
| Jun 2, 2025 | Ghazi Sassine (CEO) 11K shares $457.93 −8.4% since trade filed Jun 3, 2025 | Planned sale (10b5-1) | 11K | $457.93 | $5.2M | −8.4% | Jun 3, 2025 |
| Mar 6, 2025 | DE GEUS AART (Officer) 16K shares $444.42 −5.6% since trade filed Mar 10, 2025 | Planned sale (10b5-1) | 16K | $444.42 | $7.0M | −5.6% | Mar 10, 2025 |
| Mar 3, 2025 | Ghazi Sassine (CEO) 11K shares $463.75 −9.6% since trade filed Mar 4, 2025 | Planned sale (10b5-1) | 11K | $463.75 | $5.3M | −9.6% | Mar 4, 2025 |
| Jan 15, 2025 | MAHONEY RICHARD S. (Officer) 4,173 shares $505.97 −17.1% since trade filed Jan 16, 2025 | Planned sale (10b5-1) | 4,173 | $505.97 | $2.1M | −17.1% | Jan 16, 2025 |
| Jan 15, 2025 | MAHONEY RICHARD S. (Officer) 6,343 shares $506.07 −17.1% since trade filed Jan 16, 2025 | Planned sale (10b5-1) | 6,343 | $506.07 | $3.2M | −17.1% | Jan 16, 2025 |
| Jan 15, 2025 | MAHONEY RICHARD S. (Officer) 10K shares $505.99 −17.1% since trade filed Jan 16, 2025 | Planned sale (10b5-1) | 10K | $505.99 | $5.2M | −17.1% | Jan 16, 2025 |
| Aug 23, 2024 | Ghazi Sassine (CEO) 10K shares $553.89 −24.3% since trade filed Aug 27, 2024 | Planned sale (10b5-1) | 10K | $553.89 | $5.7M | −24.3% | Aug 27, 2024 |
| Jul 15, 2024 | DE GEUS AART (Officer) 493 shares $620.60 −32.4% since trade filed Jul 17, 2024 | Planned sale (10b5-1) | 493 | $620.60 | $306K | −32.4% | Jul 17, 2024 |
| Jul 11, 2024 | DE GEUS AART (Officer) 4,588 shares $621.68 −32.5% since trade filed Jul 12, 2024 | Planned sale (10b5-1) | 4,588 | $621.68 | $2.9M | −32.5% | Jul 12, 2024 |
| Jul 10, 2024 | DE GEUS AART (Officer) 8,648 shares $620.29 −32.4% since trade filed Jul 12, 2024 | Planned sale (10b5-1) | 8,648 | $620.29 | $5.4M | −32.4% | Jul 12, 2024 |
| Jul 8, 2024 | DE GEUS AART (Officer) 5,448 shares $620.95 −32.5% since trade filed Jul 9, 2024 | Planned sale (10b5-1) | 5,448 | $620.95 | $3.4M | −32.5% | Jul 9, 2024 |
| Jul 5, 2024 | DE GEUS AART (Officer) 28K shares $618.58 −32.2% since trade filed Jul 9, 2024 | Planned sale (10b5-1) | 28K | $618.58 | $17M | −32.2% | Jul 9, 2024 |
| Jul 3, 2024 | DE GEUS AART (Officer) 2,789 shares $610.94 −31.4% since trade filed Jul 5, 2024 | Planned sale (10b5-1) | 2,789 | $610.94 | $1.7M | −31.4% | Jul 5, 2024 |
| Jul 2, 2024 | DE GEUS AART (Officer) 4,340 shares $610.25 −31.3% since trade filed Jul 5, 2024 | Planned sale (10b5-1) | 4,340 | $610.25 | $2.6M | −31.3% | Jul 5, 2024 |
| Jul 1, 2024 | DE GEUS AART (Officer) 5,893 shares $602.00 −30.3% since trade filed Jul 2, 2024 | Planned sale (10b5-1) | 5,893 | $602.00 | $3.5M | −30.3% | Jul 2, 2024 |
| Jun 28, 2024 | DE GEUS AART (Officer) 11K shares $603.94 −30.6% since trade filed Jul 2, 2024 | Planned sale (10b5-1) | 11K | $603.94 | $6.8M | −30.6% | Jul 2, 2024 |
| Jun 27, 2024 | DE GEUS AART (Officer) 8,158 shares $602.59 −30.4% since trade filed Jun 28, 2024 | Planned sale (10b5-1) | 8,158 | $602.59 | $4.9M | −30.4% | Jun 28, 2024 |
| Jun 26, 2024 | DE GEUS AART (Officer) 2,899 shares $600.57 −30.2% since trade filed Jun 28, 2024 | Planned sale (10b5-1) | 2,899 | $600.57 | $1.7M | −30.2% | Jun 28, 2024 |
| Jun 25, 2024 | DE GEUS AART (Officer) 4,212 shares $600.05 −30.1% since trade filed Jun 26, 2024 | Planned sale (10b5-1) | 4,212 | $600.05 | $2.5M | −30.1% | Jun 26, 2024 |
| Jun 24, 2024 | DE GEUS AART (Officer) 2,535 shares $600.99 −30.2% since trade filed Jun 26, 2024 | Planned sale (10b5-1) | 2,535 | $600.99 | $1.5M | −30.2% | Jun 26, 2024 |
| Jun 18, 2024 | MAHONEY RICHARD S. (Officer) 3,316 shares $611.41 −31.4% since trade filed Jun 21, 2024 | Planned sale (10b5-1) | 3,316 | $611.41 | $2.0M | −31.4% | Jun 21, 2024 |
| Jun 10, 2024 | RUNKEL JOHN F JR (Officer) 366 shares $566.97 −26.0% since trade filed Jun 12, 2024 | Planned sale (10b5-1) | 366 | $566.97 | $208K | −26.0% | Jun 12, 2024 |
| Jun 10, 2024 | RUNKEL JOHN F JR (Officer) 570 shares $566.97 −26.0% since trade filed Jun 12, 2024 | Planned sale (10b5-1) | 570 | $566.97 | $323K | −26.0% | Jun 12, 2024 |
| May 28, 2024 | JOHNSON MERCEDES (Director) 5,500 shares $581.38 −27.9% since trade filed May 29, 2024 | Discretionary sale | 5,500 | $581.38 | $3.2M | −27.9% | May 29, 2024 |
| May 24, 2024 | RUNKEL JOHN F JR (Officer) 304 shares $582.90 −28.0% since trade filed May 29, 2024 | Planned sale (10b5-1) | 304 | $582.90 | $177K | −28.0% | May 29, 2024 |
| May 24, 2024 | RUNKEL JOHN F JR (Officer) 366 shares $582.90 −28.0% since trade filed May 29, 2024 | Planned sale (10b5-1) | 366 | $582.90 | $213K | −28.0% | May 29, 2024 |
| May 24, 2024 | RUNKEL JOHN F JR (Officer) 569 shares $582.90 −28.0% since trade filed May 29, 2024 | Planned sale (10b5-1) | 569 | $582.90 | $332K | −28.0% | May 29, 2024 |
| May 24, 2024 | Ghazi Sassine (CEO) 10K shares $582.41 −28.0% since trade filed May 29, 2024 | Planned sale (10b5-1) | 10K | $582.41 | $6.0M | −28.0% | May 29, 2024 |
| Apr 3, 2024 | RUNKEL JOHN F JR (Officer) 5,319 shares $579.37 −27.6% since trade filed Apr 5, 2024 | Discretionary sale | 5,319 | $579.37 | $3.1M | −27.6% | Apr 5, 2024 |
| Mar 25, 2024 | CASPER MARC N (Director) 250 shares $586.40 −28.5% since trade filed Mar 27, 2024 | Open-market buy | 250 | $586.40 | $147K | −28.5% | Mar 27, 2024 |
| Mar 25, 2024 | CASPER MARC N (Director) 500 shares $584.97 −28.3% since trade filed Mar 27, 2024 | Open-market buy | 500 | $584.97 | $292K | −28.3% | Mar 27, 2024 |
| Feb 27, 2024 | VALLEE ROY (Director) 10K shares $572.66 −26.8% since trade filed Feb 29, 2024 | Discretionary sale | 10K | $572.66 | $5.7M | −26.8% | Feb 29, 2024 |
| Feb 23, 2024 | RUNKEL JOHN F JR (Officer) 1,219 shares $583.95 −28.2% since trade filed Feb 27, 2024 | Planned sale (10b5-1) | 1,219 | $583.95 | $712K | −28.2% | Feb 27, 2024 |
| Feb 23, 2024 | Ghazi Sassine (CEO) 10K shares $577.51 −27.4% since trade filed Feb 27, 2024 | Planned sale (10b5-1) | 10K | $577.51 | $5.9M | −27.4% | Feb 27, 2024 |
| Jan 3, 2024 | JOHNSON MERCEDES (Director) 3,500 shares $494.70 −15.2% since trade filed Jan 4, 2024 | Planned sale (10b5-1) | 3,500 | $494.70 | $1.7M | −15.2% | Jan 4, 2024 |
| Jan 3, 2024 | MAHONEY RICHARD S. (Officer) 4,424 shares $494.68 −15.2% since trade filed Jan 4, 2024 | Planned sale (10b5-1) | 4,424 | $494.68 | $2.2M | −15.2% | Jan 4, 2024 |
| Jan 3, 2024 | MAHONEY RICHARD S. (Officer) 4,641 shares $494.72 −15.2% since trade filed Jan 4, 2024 | Planned sale (10b5-1) | 4,641 | $494.72 | $2.3M | −15.2% | Jan 4, 2024 |
| Jan 2, 2024 | RUNKEL JOHN F JR (Officer) 366 shares $506.18 −17.1% since trade filed Jan 4, 2024 | Planned sale (10b5-1) | 366 | $506.18 | $185K | −17.1% | Jan 4, 2024 |
| Jan 2, 2024 | RUNKEL JOHN F JR (Officer) 570 shares $506.18 −17.1% since trade filed Jan 4, 2024 | Planned sale (10b5-1) | 570 | $506.18 | $289K | −17.1% | Jan 4, 2024 |
“Since trade” compares with the latest insider-implied price, not a market quote: these pages are built from filings alone. A role here is the one on that day's Form 4, so somebody promoted since appears under both titles.
Filing hygiene
181 Forms 4, 3 years
0 filed late
0 amendments
1.8 avg. days to file
How to read this
A Form 4 transaction code decides everything. P is an open-market purchase and S an open-market sale; those two are the only codes where an insider chose to trade. A is a grant, M an option exercise or vesting, F shares withheld to cover tax, G a gift. Most “insiders dumped billions” headlines are code F and M mechanics.
Sales flagged 10b5-1 run on a plan the insider adopted in advance; since 2023 every Form 4 carries that flag. Buys have historically predicted returns, sales mostly have not, and this page states filings, not advice.