Duffy Mark F
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Duffy Mark F. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| CBOE | Sale | 7,000 | $36.50 | $255,500 | Mar 14, 2013 | |
| CBOE | Sale | 3,000 | $29.07 | $87,210 | Sep 13, 2012 | |
| CBOE | Sale | 3,000 | $26.93 | $80,790 | Jun 14, 2012 | |
| CBOE | Sale | 4,000 | $27.88 | $111,520 | Mar 14, 2012 | |
| CBOE | Sale | 8,000 | $26.12 | $208,960 | Dec 8, 2011 | |
| CBOE | Sale | 6,000 | $26.60 | $159,600 | Sep 15, 2011 | |
| CBOE | Sale | 12,000 | $25.01 | $300,120 | Aug 29, 2011 | |
| CBOE | Sale | 10,000 | $23.77 | $237,700 | Aug 25, 2011 | |
| CBOE | Disposition | 150,000 | — | — | Jun 13, 2011 | |
| CBOE | Other | 155,000 | — | — | Dec 15, 2010 | |
| CBOE | Disposition | 10,000 | $25.00 | $250,000 | Nov 24, 2010 | |
| CBOE | Other | 320,000 | — | — | Jun 18, 2010 | |
| CBOE | Award / Grant | 7,547 | — | — | Jun 15, 2010 |