SNPS insider buying and SEC filings, explained
Synopsys Inc. · CIK 883241
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$575K
Planned sales (10b5-1)
$54.9M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 15, 2026 | Planned (10b5-1) | Sassine Ghazi (CEO and Director) sold 14,604 shares at about $462.84 ($6.8M), marked as a 10b5-1 plan trade. Holdings down 16% to 76,865 shares. | SEC filing Filed Oct 16, 2026, 5:42 PM ET |
| Oct 6, 2026 | Sale | Janet Lee (GC & Corporate Secretary) sold 1,144 shares at about $502.52 ($575K). Holdings down 6% to 16,534 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 7, 2026, 6:35 PM ET |
| Sep 15, 2026 | Planned (10b5-1) | Sassine Ghazi (CEO and Director) sold 14,604 shares at about $374.88 ($5.5M), marked as a 10b5-1 plan trade. Holdings down 16% to 76,865 shares. | SEC filing Filed Sep 16, 2026 |
| Aug 31–Sep 1, 2026 | Planned (10b5-1) | Geus Aart De (Chair and Director) sold 49,641 shares between Aug 31 and Sep 1 at about $430.68 ($21.4M), marked as a 10b5-1 plan trade. Holdings down 29% to 120,443 shares. | SEC filing Filed Sep 2, 2026 |
| Aug 28, 2026 | Planned (10b5-1) | Geus Aart De (Chair and Director) sold 25,000 shares at about $445.55 ($11.1M), marked as a 10b5-1 plan trade. Holdings down 17% to 120,421 shares. | SEC filing Filed Aug 31, 2026 |
| Jun 15, 2026 | Planned (10b5-1) | Sassine Ghazi (CEO and Director) sold 14,603 shares at about $458.96 ($6.7M), marked as a 10b5-1 plan trade. Holdings down 16% to 75,020 shares. | SEC filing Filed Jun 16, 2026 |
| Jun 12, 2026 | Planned (10b5-1) | Shelagh Glaser (CFO) sold 3,394 shares indirectly (by trust) at about $450.02 ($1.5M), marked as a 10b5-1 plan trade. Holdings by trust down 19% to 14,358 shares. | SEC filing Filed Jun 15, 2026 |
| Jan 12, 2026 | Planned (10b5-1) | Janet Lee (GC & Corporate Secretary) sold 250 shares at $530.00 ($133K), marked as a 10b5-1 plan trade. Holdings down 2% to 11,959 shares. | SEC filing Filed Jan 13, 2026 |
| Jan 7, 2026 | Planned (10b5-1) | Janet Lee (GC & Corporate Secretary) sold 250 shares at $510.00 ($128K), marked as a 10b5-1 plan trade. Holdings down 2% to 12,209 shares. | SEC filing Filed Jan 8, 2026 |
| Dec 19, 2025 | Planned (10b5-1) | Shelagh Glaser (CFO) sold 3,657 shares at $460.77 ($1.7M), marked as a 10b5-1 plan trade. Holdings down 17% to 17,842 shares. | SEC filing Filed Dec 22, 2025 |
56 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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