Updated Jul 16, 2026 · Last SEC filing 2026-06-24
CADENCE DESIGN SYSTEMS INC (CDNS) has filed 26 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-24. 3 Form 8-K material event filings were reported by CDNS in the last 90 days. 11 Form 144 notices of proposed sale were filed for CDNS stock. InsiderAlpha tracks every CDNS SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Services-Prepackaged Software (SIC 7372) |
|---|---|
| SEC CIK | 0000813672 |
| Form 4 filings (90d) | 26 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 11 |
| Latest Form 4 filing | 2026-06-24 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| TENG CHIN-CHI | Sr. Vice President | S — Open-market sale | 240 | $385.85 | $93K | SEC | |
| TENG CHIN-CHI | Sr. Vice President | S — Open-market sale | 320 | $389.63 | $125K | SEC | |
| TENG CHIN-CHI | Sr. Vice President | S — Open-market sale | 1.3K | $387.43 | $496K | SEC | |
| TENG CHIN-CHI | Sr. Vice President | S — Open-market sale | 280 | $379.92 | $106K | SEC | |
| TENG CHIN-CHI | Sr. Vice President | S — Open-market sale | 241 | $384.39 | $93K | SEC | |
| TENG CHIN-CHI | Sr. Vice President | S — Open-market sale | 220 | $388.88 | $86K | SEC | |
| TENG CHIN-CHI | Sr. Vice President | S — Open-market sale | 400 | $381.28 | $153K | SEC | |
| TENG CHIN-CHI | Sr. Vice President | S — Open-market sale | 160 | $390.92 | $63K | SEC | |
| TENG CHIN-CHI | Sr. Vice President | M — Option exercise | 1.0K | $202.94 | $203K | SEC | |
| TENG CHIN-CHI | Sr. Vice President | S — Open-market sale | 200 | $379.18 | $76K | SEC | |
| TENG CHIN-CHI | Sr. Vice President | S — Open-market sale | 998 | $382.35 | $382K | SEC | |
| TENG CHIN-CHI | Sr. Vice President | S — Open-market sale | 160 | $383.36 | $61K | SEC | |
| Cunningham Paul | Sr. Vice President | M — Option exercise | 1.0K | $138.02 | $138K | SEC | |
| Cunningham Paul | Sr. Vice President | S — Open-market sale | 2.0K | $391.00 | $782K | SEC | |
| PLUMMER JAMES D | Director | S — Open-market sale | 1.5K | $381.34 | $576K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for CADENCE DESIGN SYSTEMS INC (CDNS). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| TENG CHIN-CHI | 27 | $3.80M |
| Brennan Ita M | 14 | $70K |
| Scannell Paul | 7 | $8.98M |
| DEVGAN ANIRUDH | 7 | $54.13M |
| WALL JOHN M | 6 | $8.40M |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CDNS insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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