Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 12 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

12 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 10, 2007 CHTRP S 14,325 $3.52 $50,424 259,104 Direct -5.24% Disposed 529.5% (price as of 2026-10-05)
Dec. 13, 2006 CHTRP S 11,786 $3.27 $38,540 33,333 Direct -26.12% Disposed 577.6% (price as of 2026-10-05)
Dec. 13, 2006 CHTRP S 36,450 $3.27 $119,192 45,119 Direct -44.69% Disposed 577.6% (price as of 2026-10-05)
Dec. 6, 2006 CHTRP S 4,881 $3.25 $15,863 45,119 Direct -9.76% Disposed 581.7% (price as of 2026-10-05)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
May 10, 2007 CHTRP Stock Options Class A Common Stock (14,325) $1.00 March 10, 2016 14,325 Disposed
March 9, 2007 CHTRP Stock Options Class A Common Stock (57,300) $2.84 March 9, 2017 57,300 Acquired
Dec. 13, 2006 CHTRP Class A Common Stock Class A Common Stock (36,450) $1.25 Dec. 5, 2010 36,450 Disposed
March 10, 2006 CHTRP Stock Options Class A Common Stock (57,300) $1.00 March 10, 2016 57,300 Acquired
Dec. 5, 2005 CHTRP Stock Options Class A Common Stock (145,800) $1.25 Dec. 5, 2015 145,800 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
Dec. 6, 2005 CHTRP Class A Common Stock - No Securities Beneficially Owned. [F1] 0 Direct