Insider Ledger
CDNS insider buying and SEC filings, explained
Cadence Design Systems Inc. · CIK 813672
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Services-Prepackaged Software
- State of incorporation
- DE
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$14K
Insiders who bought
1
Sold (not marked 10b5-1)
$8K
Planned sales (10b5-1)
$104.1M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 15, 2026 | Planned (10b5-1) | Paul Cunningham (Sr. Vice President) sold 2,000 shares at $324.13 ($648K), marked as a 10b5-1 plan trade. Holdings down 2% to 119,612 shares. | SEC filing Filed Oct 16, 2026, 5:05 PM ET |
| Oct 1, 2026 | Planned (10b5-1) | Vincentelli Alberto Sangiovanni (Director) sold 1,250 shares at $350.07 ($438K), marked as a 10b5-1 plan trade. Holdings down 3% to 39,544 shares. | SEC filing Filed Oct 5, 2026, 5:04 PM ET |
| Sep 15, 2026 | Planned (10b5-1) | Paul Cunningham (Sr. Vice President) sold 2,000 shares at $277.12 ($554K), marked as a 10b5-1 plan trade. Holdings down 2% to 121,793 shares. | SEC filing Filed Sep 17, 2026 |
| Sep 10, 2026 | Planned (10b5-1) | Ita M Brennan (Director) sold 180 shares at about $285.51 ($51K), marked as a 10b5-1 plan trade. Holdings down 2% to 7,824 shares. | SEC filing Filed Sep 14, 2026 |
| Aug 26, 2026 | Planned (10b5-1) | Paul Scannell (Sr. Vice President) sold 280 shares at $339.00 ($95K), marked as a 10b5-1 plan trade. Holdings down 1% to 31,720 shares. | SEC filing Filed Aug 27, 2026 |
| Aug 25, 2026 | Planned (10b5-1) | Vincentelli Alberto Sangiovanni (Director) sold 1,250 shares at about $320.87 ($401K), marked as a 10b5-1 plan trade. Holdings down 3% to 40,794 shares. | SEC filing Filed Aug 27, 2026 |
| Aug 21, 2026 | Planned (10b5-1) | Chin-Chi Teng (Sr. Vice President) sold 4,732 shares at $314.49 ($1.5M), marked as a 10b5-1 plan trade. Holdings down 3% to 138,049 shares. | SEC filing Filed Aug 25, 2026 |
| Aug 17, 2026 | Planned (10b5-1) | Paul Cunningham (Sr. Vice President) sold 2,000 shares at $323.32 ($647K), marked as a 10b5-1 plan trade. Holdings down 2% to 124,586 shares. | SEC filing Filed Aug 19, 2026 |
| Jul 22, 2026 | Planned (10b5-1) | Chin-Chi Teng (Sr. Vice President) sold 4,500 shares at about $339.46 ($1.5M), marked as a 10b5-1 plan trade. Holdings down 3% to 141,781 shares. | SEC filing Filed Jul 23, 2026 |
| Jul 15, 2026 | Planned (10b5-1) | Paul Cunningham (Sr. Vice President) sold 2,000 shares at $383.36 ($767K), marked as a 10b5-1 plan trade. Holdings down 2% to 125,586 shares. | SEC filing Filed Jul 17, 2026 |
| Jun 22, 2026 | Planned (10b5-1) | Chin-Chi Teng (Sr. Vice President) sold 4,500 shares at about $384.88 ($1.7M), marked as a 10b5-1 plan trade. Holdings down 3% to 145,281 shares. | SEC filing Filed Jun 24, 2026 |
| Jun 15, 2026 | Planned (10b5-1) | Paul Cunningham (Sr. Vice President) sold 2,000 shares at $391.00 ($782K), marked as a 10b5-1 plan trade. Holdings down 2% to 126,586 shares. | SEC filing Filed Jun 17, 2026 |
| Jun 11, 2026 | Planned (10b5-1) | James D. Plummer (Director) sold 1,511 shares indirectly (by trust) at $381.34 ($576K), marked as a 10b5-1 plan trade. Holdings by trust down 6% to 23,264 shares. | SEC filing Filed Jun 15, 2026 |
| Jun 10, 2026 | Planned (10b5-1) | Ita M Brennan (Director) sold 180 shares at about $387.45 ($70K), marked as a 10b5-1 plan trade. Holdings down 2% to 8,004 shares. | SEC filing Filed Jun 12, 2026 |
| Jun 1–2, 2026 | Planned (10b5-1) | Anirudh Devgan (CEO and Director) sold 76,827 shares between Jun 1 and Jun 2 at about $401.51 ($30.8M), marked as a 10b5-1 plan trade. Holdings down 23% to 253,519 shares. | SEC filing Filed Jun 3, 2026 |
| Jun 1, 2026 | Planned (10b5-1) | Paul Scannell (Sr. Vice President) sold 7,081 shares at $393.91 ($2.8M), marked as a 10b5-1 plan trade. Holdings down 18% to 32,181 shares. | SEC filing Filed Jun 3, 2026 |
| May 22, 2026 | Planned (10b5-1) | Chin-Chi Teng (Sr. Vice President) sold 4,500 shares at about $369.35 ($1.7M), marked as a 10b5-1 plan trade. Holdings down 3% to 148,781 shares. | SEC filing Filed May 27, 2026 |
| May 22, 2026 | Planned (10b5-1) | Anirudh Devgan (CEO and Director) sold 51,887 shares at $370.00 ($19.2M), marked as a 10b5-1 plan trade. Holdings down 15% to 303,525 shares. | SEC filing Filed May 27, 2026 |
| May 18, 2026 | Planned (10b5-1) Amended filing | Paul Scannell (Sr. Vice President) sold 1,071 shares at $345.06 ($370K), marked as a 10b5-1 plan trade. Holdings down 3% to 32,181 shares. This amends a filing from May 20. | SEC filing Filed May 20, 2026 |
| May 5, 2026 | Planned (10b5-1) | John M. Wall (CFO) sold 5,000 shares at about $348.71 ($1.7M), marked as a 10b5-1 plan trade. Holdings down 6% to 81,875 shares. | SEC filing Filed May 7, 2026 |
| May 1, 2026 | Planned (10b5-1) | Paul Cunningham (Sr. Vice President) sold 1,000 shares at $337.49 ($337K), marked as a 10b5-1 plan trade. Holdings down 1% to 127,586 shares. | SEC filing Filed May 5, 2026 |
| May 1, 2026 | Planned (10b5-1) | Paul Scannell (Sr. Vice President) sold 10,500 shares at $339.00 ($3.6M), marked as a 10b5-1 plan trade. Holdings down 24% to 33,946 shares. | SEC filing Filed May 5, 2026 |
| Apr 16, 2026 | Planned (10b5-1) | John M. Wall (CFO) sold 21,500 shares at $309.45 ($6.7M), marked as a 10b5-1 plan trade. Holdings down 20% to 86,875 shares. | SEC filing Filed Apr 20, 2026 |
| Apr 1, 2026 | Planned (10b5-1) | Paul Cunningham (Sr. Vice President) sold 1,000 shares at $280.19 ($280K), marked as a 10b5-1 plan trade. Holdings down 1% to 128,586 shares. | SEC filing Filed Apr 3, 2026 |
| Mar 17, 2026 | Planned (10b5-1) | Ita M Brennan (Director) sold 180 shares at about $295.03 ($53K), marked as a 10b5-1 plan trade. Holdings down 2% to 7,470 shares. | SEC filing Filed Mar 18, 2026 |
| Mar 2, 2026 | Planned (10b5-1) | Paul Cunningham (Sr. Vice President) sold 1,000 shares at $297.78 ($298K), marked as a 10b5-1 plan trade. Holdings down 1% to 94,137 shares. | SEC filing Filed Mar 4, 2026 |
| Dec 2, 2025–Jan 21, 2026 | Sale | Moshe Gavrielov (Director) sold 25 shares between Dec 2, 2025 and Jan 21 at about $315.92 ($8K). Holdings down 2% to 1,105 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Mar 28, 2025 | Purchase (code P) | Moshe Gavrielov (Director) bought 54 shares at $256.95 ($14K), reported as a purchase (code P). Holdings up 5% to 1,130 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Feb 2, 2026 | Planned (10b5-1) | Paul Cunningham (Sr. Vice President) sold 1,000 shares at $295.09 ($295K), marked as a 10b5-1 plan trade. Holdings down 1% to 95,137 shares. | SEC filing Filed Feb 4, 2026 |
| Jan 8, 2026 | Planned (10b5-1) | Chin-Chi Teng (Sr. Vice President) sold 6,319 shares at $317.96 ($2.0M), marked as a 10b5-1 plan trade. Holdings down 5% to 116,762 shares. | SEC filing Filed Jan 12, 2026 |
| Jan 2, 2026 | Planned (10b5-1) | Paul Cunningham (Sr. Vice President) sold 1,000 shares at $315.70 ($316K), marked as a 10b5-1 plan trade. Holdings down 1% to 96,067 shares. | SEC filing Filed Jan 6, 2026 |
| Dec 16, 2025 | Planned (10b5-1) | John M. Wall (CFO) sold 27,805 shares at about $318.57 ($8.9M), marked as a 10b5-1 plan trade. Holdings down 28% to 69,957 shares. | SEC filing Filed Dec 18, 2025 |
| Dec 10, 2025 | Planned (10b5-1) | Ita M Brennan (Director) sold 180 shares at about $337.48 ($61K), marked as a 10b5-1 plan trade. Holdings down 2% to 7,650 shares. | SEC filing Filed Dec 12, 2025 |
| Dec 10, 2025 | Planned (10b5-1) | Paul Scannell (Sr. Vice President) sold 5,490 shares at about $339.44 ($1.9M), marked as a 10b5-1 plan trade. Holdings down 21% to 20,321 shares. | SEC filing Filed Dec 12, 2025 |
| Dec 8, 2025 | Planned (10b5-1) | Chin-Chi Teng (Sr. Vice President) sold 5,977 shares at $337.99 ($2.0M), marked as a 10b5-1 plan trade. Holdings down 5% to 120,081 shares. | SEC filing Filed Dec 10, 2025 |
| Dec 5, 2025 | Planned (10b5-1) | Anirudh Devgan (CEO and Director) sold 20,000 shares at $340.00 ($6.8M), marked as a 10b5-1 plan trade. Holdings down 9% to 195,844 shares. | SEC filing Filed Dec 9, 2025 |
| Dec 1, 2025 | Planned (10b5-1) | Paul Cunningham (Sr. Vice President) sold 1,000 shares at $312.64 ($313K), marked as a 10b5-1 plan trade. Holdings down 1% to 97,067 shares. | SEC filing Filed Dec 3, 2025 |
| Nov 6, 2025 | Planned (10b5-1) | Chin-Chi Teng (Sr. Vice President) sold 5,800 shares at $324.94 ($1.9M), marked as a 10b5-1 plan trade. Holdings down 4% to 123,381 shares. | SEC filing Filed Nov 7, 2025 |
| Nov 5, 2025 | Planned (10b5-1) | Anirudh Devgan (CEO and Director) sold 5,550 shares at about $327.80 ($1.8M), marked as a 10b5-1 plan trade. Holdings down 3% to 195,844 shares. | SEC filing Filed Nov 7, 2025 |
| Nov 3, 2025 | Planned (10b5-1) | Paul Cunningham (Sr. Vice President) sold 1,000 shares at $340.26 ($340K), marked as a 10b5-1 plan trade. Holdings down 1% to 98,067 shares. | SEC filing Filed Nov 5, 2025 |
59 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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