SEC CIK 1181479
PORTER WILLIAM
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| CDNSview stock → | 439,150 | 2008-02-08 |
Position History — CDNS
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — CDNS
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2008-02-08 | Tax withholding | 8,937 | $10.64 | 439,150 |
| 2008-02-04 | Tax withholding | 8,937 | $10.93 | 448,087 |
| 2008-02-01 | Grant / award (derivative) | 150,000 | $0.00 | 150,000 |
| 2008-02-01 | Grant / award | 125,000 | $0.00 | 457,024 |
| 2008-02-01 | Tax withholding | 7,776 | $10.38 | 332,024 |
| 2007-11-16 | Option exercise (derivative) | 5,000 | $0.00 | 0 |
| 2007-11-16 | Open-market sale | 5,000 | $17.12 | 337,337 |
| 2007-11-16 | Option exercise | 5,000 | $10.11 | 342,337 |
| 2007-10-15 | Option exercise (derivative) | 5,000 | $0.00 | 5,000 |
| 2007-10-15 | Option exercise | 5,000 | $10.11 | 342,337 |
| 2007-10-15 | Open-market sale | 5,000 | $21.61 | 337,337 |
| 2007-09-17 | Option exercise (derivative) | 5,000 | $0.00 | 10,000 |
| 2007-09-17 | Open-market sale | 5,000 | $21.77 | 337,337 |
| 2007-09-17 | Option exercise | 5,000 | $10.11 | 342,337 |
| 2007-08-15 | Option exercise (derivative) | 5,000 | $0.00 | 15,000 |
| 2007-08-15 | Open-market sale | 5,000 | $20.72 | 337,337 |
| 2007-08-15 | Option exercise | 5,000 | $10.11 | 342,337 |
| 2007-08-01 | Tax withholding | 11,437 | $21.31 | 337,337 |
| 2007-07-16 | Option exercise (derivative) | 5,000 | $0.00 | 20,000 |
| 2007-07-16 | Option exercise | 5,000 | $10.11 | 353,774 |
| 2007-07-16 | Open-market sale | 5,000 | $22.06 | 348,774 |
| 2007-06-15 | Option exercise (derivative) | 5,000 | $0.00 | 25,000 |
| 2007-06-15 | Option exercise | 5,000 | $10.11 | 353,774 |
| 2007-06-15 | Open-market sale | 5,000 | $23.29 | 348,774 |
| 2007-05-15 | Option exercise (derivative) | 10,000 | $0.00 | 0 |
| 2007-05-15 | Open-market sale | 6,000 | $21.82 | 352,774 |
| 2007-05-15 | Option exercise | 10,000 | $14.94 | 358,774 |
| 2007-05-15 | Open-market sale | 4,000 | $21.82 | 348,774 |
| 2007-04-16 | Option exercise (derivative) | 10,000 | $0.00 | 10,000 |
| 2007-04-16 | Open-market sale | 10,000 | $22.34 | 348,774 |
| 2007-04-16 | Option exercise | 10,000 | $14.94 | 358,774 |
| 2007-03-15 | Option exercise (derivative) | 10,000 | $0.00 | 20,000 |
| 2007-03-15 | Open-market sale | 1,400 | $20.22 | 354,174 |
| 2007-03-15 | Open-market sale | 900 | $20.28 | 349,274 |
| 2007-03-15 | Open-market sale | 2,800 | $20.25 | 350,174 |
| 2007-03-15 | Open-market sale | 400 | $20.24 | 352,974 |
| 2007-03-15 | Open-market sale | 800 | $20.23 | 353,374 |
| 2007-03-15 | Open-market sale | 500 | $20.30 | 348,774 |
| 2007-03-15 | Open-market sale | 500 | $20.20 | 355,574 |
| 2007-03-15 | Open-market sale | 1,800 | $20.19 | 356,074 |
| 2007-03-15 | Open-market sale | 400 | $20.18 | 357,874 |
| 2007-03-15 | Open-market sale | 500 | $20.15 | 358,274 |
| 2007-03-15 | Option exercise | 10,000 | $14.94 | 358,774 |
| 2007-02-15 | Option exercise (derivative) | 10,000 | $0.00 | 30,000 |
| 2007-02-15 | Open-market sale | 3,532 | $20.43 | 355,242 |
| 2007-02-15 | Open-market sale | 5,106 | $20.43 | 350,136 |
| 2007-02-15 | Open-market sale | 1,362 | $20.55 | 348,774 |
| 2007-02-15 | Option exercise | 10,000 | $14.94 | 358,774 |
| 2007-02-08 | Tax withholding | 9,214 | $20.39 | 348,774 |
| 2007-02-02 | Grant / award (derivative) | 150,000 | $0.00 | 150,000 |
| 2007-02-02 | Grant / award | 100,000 | $0.00 | 357,988 |
| 2007-02-01 | Tax withholding | 9,090 | $19.78 | 257,988 |
| 2006-11-15 | Option exercise (derivative) | 10,000 | $0.00 | 30,000 |
| 2006-11-15 | Option exercise | 10,000 | $10.11 | 275,187 |
| 2006-11-15 | Open-market sale | 10,000 | $18.82 | 265,187 |
| 2006-10-16 | Option exercise (derivative) | 50,000 | $0.00 | 40,000 |
| 2006-10-16 | Option exercise (derivative) | 50,000 | $0.00 | 10,000 |
| 2006-10-16 | Open-market sale | 6,400 | $17.74 | 285,187 |
| 2006-10-16 | Option exercise | 50,000 | $10.11 | 315,187 |
| 2006-10-16 | Open-market sale | 5,000 | $17.82 | 265,187 |
| 2006-10-16 | Open-market sale | 5,000 | $17.77 | 270,187 |
| 2006-10-16 | Open-market sale | 4,000 | $17.73 | 275,187 |
| 2006-10-16 | Open-market sale | 6,000 | $17.77 | 279,187 |
| 2006-10-16 | Open-market sale | 2,300 | $17.71 | 312,887 |
| 2006-10-16 | Open-market sale | 3,600 | $17.73 | 291,587 |
| 2006-10-16 | Open-market sale | 5,500 | $17.70 | 295,187 |
| 2006-10-16 | Open-market sale | 2,400 | $17.69 | 300,687 |
| 2006-10-16 | Open-market sale | 4,800 | $17.71 | 303,087 |
| 2006-10-16 | Open-market sale | 5,000 | $17.70 | 307,887 |
| 2006-08-01 | Tax withholding | 11,437 | $15.88 | 265,187 |
| 2006-05-15 | Option exercise (derivative) | 10,000 | $0.00 | 90,000 |
| 2006-05-15 | Open-market sale | 6,000 | $19.10 | 280,624 |
| 2006-05-15 | Open-market sale | 4,000 | $19.01 | 276,624 |
| 2006-05-15 | Option exercise | 10,000 | $10.11 | 286,624 |
| 2006-04-17 | Option exercise (derivative) | 10,000 | $0.00 | 100,000 |
| 2006-04-17 | Open-market sale | 625 | $18.16 | 276,624 |
| 2006-04-17 | Open-market sale | 625 | $18.12 | 277,249 |
| 2006-04-17 | Open-market sale | 625 | $18.14 | 277,874 |
| 2006-04-17 | Open-market sale | 750 | $18.15 | 278,499 |
| 2006-04-17 | Open-market sale | 500 | $18.15 | 279,249 |
| 2006-04-17 | Open-market sale | 625 | $18.14 | 279,749 |
| 2006-04-17 | Open-market sale | 625 | $18.11 | 280,374 |
| 2006-04-17 | Open-market sale | 625 | $18.09 | 280,999 |
| 2006-04-17 | Open-market sale | 5,000 | $18.09 | 281,624 |
| 2006-04-17 | Option exercise | 10,000 | $10.11 | 286,624 |
| 2006-03-15 | Option exercise (derivative) | 10,000 | $0.00 | 110,000 |
| 2006-03-15 | Open-market sale | 10,000 | $18.18 | 276,624 |
| 2006-03-15 | Option exercise | 10,000 | $10.11 | 286,624 |
| 2006-02-15 | Option exercise (derivative) | 10,000 | $0.00 | 120,000 |
| 2006-02-15 | Open-market sale | 100 | $17.03 | 286,424 |
| 2006-02-15 | Open-market sale | 8,800 | $17.02 | 277,624 |
| 2006-02-15 | Open-market sale | 1,000 | $17.00 | 276,624 |
| 2006-02-15 | Open-market sale | 100 | $17.10 | 286,524 |
| 2006-02-15 | Option exercise | 10,000 | $10.11 | 286,624 |
| 2006-02-08 | Grant / award (derivative) | 150,000 | $0.00 | 150,000 |
| 2006-02-08 | Grant / award | 100,000 | $0.00 | 276,624 |
| 2006-02-01 | Disposition to issuer | 8,937 | $17.19 | 176,624 |
| 2006-01-17 | Option exercise (derivative) | 10,000 | $0.00 | 130,000 |
| 2006-01-17 | Open-market sale | 1,717 | $17.17 | 191,953 |
| 2006-01-17 | Open-market sale | 1,625 | $17.16 | 190,328 |
| 2006-01-17 | Open-market sale | 6,658 | $17.15 | 183,670 |
| 2006-01-17 | Option exercise | 10,000 | $10.11 | 193,670 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.