Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 6 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

6 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 27, 2006 CHTRP S 515 $1.19 $613 79,416 Direct -0.64% Disposed 1763.9% (price as of 2026-10-02)
Feb. 28, 2005 CHTRP S 510 $1.68 $857 7,740 Direct -6.18% Disposed 1220.2% (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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
March 10, 2006 CHTRP Stock Options Class A Common Stock (57,300) $1.00 March 10, 2016 57,300 Acquired
April 26, 2005 CHTRP Employee Stock Option (right to buy) Class A Common Stock (145,800) $1.30 April 26, 2015 145,800 Acquired
Feb. 25, 2004 CHTRP Employee Stock Option (right to buy) Class A Common Stock (40,000) $12.27 Jan. 29, 2012 40,000 Disposed
Jan. 27, 2004 CHTRP Emloyee Stock Option (right to buy) Class A Common Stock (135,000) $5.17 Jan. 27, 2014 135,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 4 holdings

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Aug. 1, 2003 CHTRP Class A Common Stock 250 Direct
Aug. 1, 2003 CHTRP Employee Stock Option (right to buy)→ Cl ass A Common Stock (40,000) 40,000 Direct
Aug. 1, 2003 CHTRP Employee Stock Option (right to buy)→ Class A Common Stock (50,000) 50,000 Direct
Aug. 1, 2003 CHTRP ·→ Class A Common Stock (225,000) 225,000 Direct