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CBOE • CIK 0001374310
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People and entities that have reported ownership via Form 3, 3/A, 4, 4/A, 5, 5/A
Parsed transactions from Form 4 (and 3/5) filings (past year)
0 transactions · 0 shares
— total value
4 transactions · 6.63K shares
$1.89M total value
26 transactions · 29.31K shares
| Filing Date | Insiders | Transactions | Filing |
|---|---|---|---|
| Aug 21, 2026 | Duinstra Boudewijn | Grant/Award: 2.40K shares | View |
| Aug 21, 2026 | Fischer Heidi | Grant/Award: 2.90K shares | View |
| Aug 14, 2026 | Froetscher Janet P | Sold 937 @ $278.95/share ($261.38K) | View |
| Jul 2, 2026 | Tomczyk Fredric J | Tax Withholding: 337 @ $247.72 ($83.48K) | View |
| May 18, 2026 | Tomczyk Fredric J | Grant/Award: 530 shares | View |
| May 18, 2026 | Fong Ivan K | Grant/Award: 530 shares | View |
| May 18, 2026 | Farrow William M III | Grant/Award: 530 shares | View |
| May 18, 2026 | Parisi James E. | Grant/Award: 530 shares | View |
| May 18, 2026 | PALMORE RODERICK A | Grant/Award: 530 shares | View |
| Feb 25, 2026 | Wilkinson Allen | Sold 248 @ $292.79/share ($72.61K) | View |
| Feb 23, 2026 | Hocking Robert A | Exercised 355 options @ $286.17/share Tax Withholding: 123 @ $286.17 ($35.20K) | View |
| Feb 23, 2026 | Bhatia Prashant | Exercised 224 options @ $286.17/share Tax Withholding: 129 @ $286.17 ($36.92K) | View |
| Feb 23, 2026 | Lipscomb Timothy | Exercised 1.88K options @ $286.17/share Tax Withholding: 860 @ $286.17 ($246.11K) | View |
| Feb 23, 2026 | Wilkinson Allen | Exercised 787 options @ $286.17/share Tax Withholding: 377 @ $286.17 ($107.89K) | View |
| Feb 23, 2026 | Foley Stephanie | Exercised 1.70K options @ $286.17/share Tax Withholding: 644 @ $286.17 ($184.29K) | View |
| Feb 23, 2026 | Griebenow Jill | Exercised 4.60K options @ $286.17/share Tax Withholding: 2.04K @ $286.17 ($583.79K) | View |
| Feb 23, 2026 | Sexton John P | Exercised 2.84K options @ $286.17/share Tax Withholding: 1.26K @ $286.17 ($360.86K) | View |
| Feb 23, 2026 | Isaacson Christopher A | Exercised 5.96K options @ $286.17/share Tax Withholding: 2.65K @ $286.17 ($757.21K) | View |
| Feb 23, 2026 | Tomczyk Fredric J | Exercised 10.96K options @ $286.17/share Tax Withholding: 6.43K @ $286.17 ($1.84M) | View |
| Feb 20, 2026 | Matturri Alexander JR | Sold 1.50K @ $285.36/share ($428.04K) | View |
| Feb 20, 2026 | Fitzpatrick Edward J. | Sold 3.95K @ $285.87/share ($1.13M) | View |
| Feb 17, 2026 | Foley Stephanie | Grant/Award: 264 shares Tax Withholding: 114 @ $270.60 ($30.85K) | View |
| Feb 17, 2026 | Griebenow Jill | Grant/Award: 6.73K shares Tax Withholding: 3.01K @ $270.60 ($814.78K) | View |
| Feb 17, 2026 | Sexton John P | Grant/Award: 9.73K shares Tax Withholding: 3.78K @ $270.60 ($1.02M) | View |
| Feb 17, 2026 | Isaacson Christopher A | Grant/Award: 15.51K shares Tax Withholding: 6.35K @ $270.60 ($1.72M) | View |