Cyrus Y Tsui
CIK 1224171 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 11, 2005 · Latest: Aug. 11, 2005
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 4 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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 9, 2005 | LSCC | A | 72,000 | — | — | 72,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Aug. 10, 2004 | LSCC | A | 525,000 | — | — | 525,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Oct. 28, 2003 | LSCC | A | 525,000 | — | — | 525,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Sept. 18, 2003 | LSCC | A | 1,339,072 | — | — | 1,339,072 Direct | — | Acquired | (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 9, 2005 | LSCC | Option to Buy | Common Stock (72,000) | $4.56 | Aug. 9, 2015 | 72,000 | Acquired |
| Aug. 10, 2004 | LSCC | Employee Option to Buy | Common Stock (525,000) | $4.49 | Aug. 10, 2014 | 525,000 | Acquired |
| Oct. 28, 2003 | LSCC | Employee Option to Buy | Common Stock (525,000) | $7.28 | Oct. 28, 2013 | 525,000 | Acquired |
| Sept. 18, 2003 | LSCC | Employee Option to Buy | Common Stock (1,339,072) | $8.21 | Sept. 18, 2013 | 1,339,072 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).