Yi Ping Chang
CIK 1229719 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 24, 2004 · Latest: Feb. 24, 2004
On this page
Insider at
Insider transactions
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 23, 2004 | RIME | A | 9,000 | $1.23 | $11,070 | 17,152 Direct | +110.40% | Acquired | -100.0% (price as of 2026-08-20) |
| Dec. 19, 2003 | RIME | A | 52,800 | $1.97 | $104,016 | 52,800 Direct | — | Acquired | -100.0% (price as of 2026-08-20) |
| Aug. 31, 2003 | RIME | A | 8,152 | $3.45 | $28,124 | 8,152 Direct | — | Acquired | -100.0% (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 |
|---|---|---|---|---|---|---|---|
| Dec. 19, 2003 | RIME | Employee Stock Option | Common Stock (52,800) | $1.97 | — | 52,800 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).