Mark F Duffy
CIK 1493895 · last filed 2013-03-18
Mark F Duffy is a corporate insider who has filed 11 SEC Form 4 insider transactions across 1 company since 2010. The most recent filing shows the insider sold $255.5K of CBOE on Mar 18, 2013. Across all open-market trades the lifetime net is −$1.4M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $30.9M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$30.94M
1
11
-$1.44M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CBOE | Director | 116,662 | $265.24 | $30.94M | -$1.44M | 11 | 2013-03-18 |
Recent Filings
11 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2013-03-18 | CBOE | Sell (S) | −7,000 | -$255.5K | EDGAR |
| 2012-09-17 | CBOE | Sell (S) | −3,000 | -$87.2K | EDGAR |
| 2012-06-15 | CBOE | Mixed | −215 | -$78.0K | EDGAR |
| 2012-03-16 | CBOE | Sell (S) | −4,000 | -$111.5K | EDGAR |
| 2011-12-12 | CBOE | Sell (S) | −8,000 | -$208.9K | EDGAR |
| 2011-09-19 | CBOE | Sell (S) | −6,000 | -$159.6K | EDGAR |
| 2011-08-31 | CBOE | Sell (S) | −12,000 | -$300.1K | EDGAR |
| 2011-08-29 | CBOE | Sell (S) | −10,000 | -$237.7K | EDGAR |
| 2010-11-29 | CBOE | Disp (D) | −15,000 | -$375.0K | EDGAR |
| 2010-06-18 | CBOE | Other (J) | +320,000 | $0 | EDGAR |