Henry T Yang
CIK 1278777 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 13, 2004 · Latest: Feb. 13, 2004
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 5 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 15, 2012 | DCH | A | 8,734 | — | — | 20,834 Direct | +72.18% | Acquired | (price as of 2026-08-20) |
| April 24, 2008 | DCH | A | 6,500 | — | — | 12,100 Direct | +116.07% | Acquired | (price as of 2026-08-20) |
| April 26, 2007 | DCH | A | 2,200 | — | — | 5,600 Direct | +64.71% | Acquired | (price as of 2026-08-20) |
| April 27, 2006 | DCH | A | 2,400 | — | — | 3,400 Direct | +240.00% | Acquired | (price as of 2026-08-20) |
| April 29, 2004 | DCH | A | 7,500 | — | — | 7,500 Direct | — | Acquired | (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| April 29, 2004 | DCH | Employee Stock Option (right to buy) | Common Stock (7,500) | $37.81 | April 29, 2004 | 7,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 13, 2004 | DCH | Common Stock | 1,000 | Direct |