Shii Tyng Duann
CIK 1993728 · View on SEC EDGAR ↗
Insider
First SEC filing: March 27, 2026 · Latest: March 27, 2026
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-367,500
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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 6, 2026 | SIMO | S | 1,500 | $245.00 | $367,500 | 15,200 Direct | -8.98% | Disposed | 2.9% (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.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 27, 2026 | SIMO | American depositary shares [F1] | 16,700 | Direct |