Marc B Nathanson
Insider
First SEC filing: Nov. 13, 2003 · Latest: Nov. 13, 2003
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 29, 2008 | CHTRP | A | 64,356 | · | · | 192,620 Direct | +50.17% | Acquired | (price as of 2026-10-02) |
| July 24, 2007 | CHTRP | A | 14,254 | · | · | 128,264 Direct | +12.50% | Acquired | (price as of 2026-10-02) |
| Aug. 29, 2006 | CHTRP | A | 49,242 | · | · | 114,010 Direct | +76.03% | Acquired | (price as of 2026-10-02) |
| July 22, 2005 | CHTRP | A | 39,063 | · | · | 64,768 Direct | +151.97% | Acquired | (price as of 2026-10-02) |
| March 16, 2005 | CHTRP | P | 10,000 | $1.45 | $14,500 | 400,000 Indirect | +2.56% | Acquired | 1429.7% (price as of 2026-10-02) |
| Dec. 23, 2004 | CHTRP | J | None | · | · | 0 Indirect | · | Disposed | (price as of 2026-10-02) |
| Aug. 10, 2004 | CHTRP | P | 10,000 | $2.97 | $29,700 | 390,000 Indirect | +2.63% | Acquired | 646.8% (price as of 2026-10-02) |
| July 27, 2004 | CHTRP | A | 15,823 | · | · | 25,705 Direct | +160.12% | Acquired | (price as of 2026-10-02) |
| May 14, 2004 | CHTRP | P | 10,000 | $3.72 | $37,200 | 380,000 Indirect | +2.70% | Acquired | 496.2% (price as of 2026-10-02) |
| Nov. 11, 2003 | CHTRP | X | 2,527,264 | $30.88 | $78,041,912 | 370,000 Indirect | -87.23% | Disposed | -28.2% (price as of 2026-10-02) |
| Nov. 11, 2003 | CHTRP | X | 973,809 | $30.88 | $30,071,222 | 0 Indirect | -100.00% | Disposed | -28.2% (price as of 2026-10-02) |
| Nov. 11, 2003 | CHTRP | X | 1,730,869 | $30.88 | $53,449,235 | 0 Indirect | -100.00% | Disposed | -28.2% (price as of 2026-10-02) |
| Nov. 11, 2003 | CHTRP | X | 1,460,115 | $30.88 | $45,088,351 | 0 Indirect | -100.00% | Disposed | -28.2% (price as of 2026-10-02) |
| Nov. 11, 2003 | CHTRP | X | 91,090 | $30.88 | $2,812,859 | 0 Indirect | -100.00% | Disposed | -28.2% (price as of 2026-10-02) |
| Nov. 11, 2003 | CHTRP | X | 2,527,264 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 11, 2003 | CHTRP | X | 973,809 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 11, 2003 | CHTRP | X | 1,730,869 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 11, 2003 | CHTRP | X | 1,460,115 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 11, 2003 | CHTRP | X | 91,090 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 7, 2003 | CHTRP | G | 324,603 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 7, 2003 | CHTRP | G | 973,809 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 7, 2003 | CHTRP | G | 324,603 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 7, 2003 | CHTRP | G | 973,809 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 29, 2003 | CHTRP | X | 87,162 | $30.83 | $2,687,204 | 1,730,869 Indirect | -4.79% | Disposed | -28.1% (price as of 2026-10-02) |
| Oct. 29, 2003 | CHTRP | X | 197,660 | $30.83 | $6,093,858 | 4,195,676 Indirect | -4.50% | Disposed | -28.1% (price as of 2026-10-02) |
| Oct. 29, 2003 | CHTRP | X | 39,513 | $30.83 | $1,218,186 | 1,460,115 Indirect | -2.63% | Disposed | -28.1% (price as of 2026-10-02) |
| Oct. 29, 2003 | CHTRP | X | 87,162 | · | · | 1,730,869 Indirect | -4.79% | Disposed | (price as of 2026-10-02) |
| Oct. 29, 2003 | CHTRP | X | 197,660 | · | · | 3,825,676 Indirect | -4.91% | Disposed | (price as of 2026-10-02) |
| Oct. 29, 2003 | CHTRP | X | 39,513 | · | · | 1,460,115 Indirect | -2.63% | Disposed | (price as of 2026-10-02) |
| Aug. 22, 2003 | CHTRP | S | None | $3120000.00 | · | 1,000,000 Indirect | · | Disposed | -100.0% (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Dec. 23, 2004 | CHTRP | 5.75% Convertible Senior Notes | Class A Common Stock | $21.56 | Oct. 15, 2005 | · | Disposed |
| Nov. 11, 2003 | CHTRP | Put Option (Right to Sell) | Class A Common Stock | · | · | 2,527,264 | Disposed |
| Nov. 11, 2003 | CHTRP | Put Option (Right to Sell) | Class A Common Stock | · | · | 973,809 | Disposed |
| Nov. 11, 2003 | CHTRP | Put Option (Right to Sell) | Class A Common Stock | · | · | 1,730,869 | Disposed |
| Nov. 11, 2003 | CHTRP | Put Option (Right to Sell) | Class A Common Stock | · | · | 1,460,115 | Disposed |
| Nov. 11, 2003 | CHTRP | Put Option (Right to Sell) | Class A Common Stock | · | · | 91,090 | Disposed |
| Nov. 7, 2003 | CHTRP | Put Option (Right to Sell) | Class A Common Stock | · | · | 324,603 | Disposed |
| Nov. 7, 2003 | CHTRP | Put Option (Right to Sell) | Class A Common Stock | · | · | 973,809 | Disposed |
| Oct. 29, 2003 | CHTRP | Put Option (Right to Sell) | Class A Common Stock | · | · | 87,162 | Disposed |
| Oct. 29, 2003 | CHTRP | Put Option (Right to Sell) | Class A Common Stock | $30.83 | · | 197,660 | Disposed |
| Oct. 29, 2003 | CHTRP | Put Option (Right to Sell) | Class A Common Stock | $30.83 | · | 39,513 | Disposed |
| Aug. 22, 2003 | CHTRP | 5.75% Convertible Senior Notes | · | $21.56 | Oct. 15, 2005 | · | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).