| SC 13D/A | 2009-11-09 | GAMCO INVESTORS, INC. ET AL | CBS CORP | 1,905,400 | 3.7% | EDGAR |
| SC 13D/A | 2009-03-09 | GAMCO INVESTORS, INC. ET AL | CBS CORP | 1,941,000 | 3.4% | EDGAR |
| SC 13G/A | 2009-02-13 | AXA FINANCIAL INC | CBS CORP | 89,012,921 | 14.3% | EDGAR |
| SC 13D | 2009-02-11 | CBS CORP | PROELITE, INC. | - | - | EDGAR |
| SC 13D | 2008-11-04 | CBS CORP | PROELITE, INC. | - | - | EDGAR |
| SC 13D | 2008-10-21 | CBS CORP | PROELITE, INC. | - | - | EDGAR |
| SC 13D | 2008-09-17 | CBS CORP | PROELITE, INC. | 12,766,668 | 20.7% | EDGAR |
| SC 13D | 2008-07-02 | CBS CORP | CNET NETWORKS INC | 0 | 0.0% | EDGAR |
| SC 13D/A | 2008-03-07 | CBS CORP | WESTWOOD ONE INC /DE/ | 16,000,000 | 17.2% | EDGAR |
| SC 13G/A | 2008-02-14 | AXA FINANCIAL INC | CBS CORP | 87,364,124 | 14.0% | EDGAR |
| SC 13D/A | 2007-10-05 | CBS CORP | WESTWOOD ONE INC /DE/ | 16,000,000 | 18.4% | EDGAR |
| SC 13G | 2007-05-24 | CBS CORP | PROELITE, INC. | 9,166,668 | 19.5% | EDGAR |
| SC 13D/A | 2007-04-18 | CBS CORP | WESTWOOD ONE INC /DE/ | 16,000,000 | 18.5% | EDGAR |
| SC 13D | 2007-04-17 | CBS CORP | CBS CORP | 16,000,000 | 18.5% | EDGAR |
| SC 13G/A | 2007-02-13 | AXA FINANCIAL INC | CBS CORP | 87,549,182 | 12.2% | EDGAR |
| SC 13G | 2006-09-11 | AXA FINANCIAL INC | CBS CORP | 73,340,137 | 10.2% | EDGAR |
| SC 13D/A | 2006-02-14 | CBS CORP | SPANISH BROADCASTING SYSTEM INC | 11,400,000 | 22.1% | EDGAR |
| SC 13D/A | 2006-02-14 | CBS CORP | WESTWOOD ONE INC /DE/ | 16,000,000 | 18.1% | EDGAR |
| SC 13G/A | 2006-02-14 | REDSTONE SUMNER M | CBS CORP | 9 | 11.0% | EDGAR |
| SC 13D | 2006-01-13 | GAMCO INVESTORS, INC. ET AL | CBS CORP | 2,267,000 | 3.4% | EDGAR |