Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 3 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

3 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 11, 2008 CHTRP S 10,647 $1.11 $11,818 704,319 Direct -1.49% Disposed 1896.1% (price as of 2026-10-05)
April 1, 2008 CHTRP S 5,350 $0.90 $4,815 714,966 Direct -0.74% Disposed 2361.9% (price as of 2026-10-05)
March 31, 2008 CHTRP S 7,435 $0.90 $6,692 720,316 Direct -1.02% Disposed 2361.9% (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.

Initial ownership (Form 3) 5 holdings

07

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

DateTickerSecuritySharesOwnership
Aug. 2, 2007 CHTRP Class A Common Stock · Direct
Aug. 2, 2007 CHTRP Class A Common Stock · Direct
Aug. 2, 2007 CHTRP Stock Options→ Class A Common Stock · Direct
Aug. 2, 2007 CHTRP Stock Options→ Class A Common Stock · Direct
Aug. 2, 2007 CHTRP Stock Options→ Class A Common Stock · Direct