Lilian Yansheng Zhou
CIK 2003105 · View on SEC EDGAR ↗
Insider
First SEC filing: June 15, 2026 · Latest: June 15, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 9 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
9 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 6, 2023 | STAA | P | 850 | $30.74 | $26,129 | 2,327 Direct | +57.55% | Acquired | -24.5% (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 |
|---|---|---|---|---|---|---|---|
| June 18, 2026 | STAA | Common Stock Options [F1] | Common Stock (5,572) | $29.12 | June 17, 2036 | 5,572 | Acquired |
| June 18, 2026 | STAA | Restricted Stock Units [F1] | Common Stock (3,091) | $0.00 | — | 3,091 | Acquired |
| June 25, 2025 | STAA | Common Stock Options | Common Stock (4,363) | $16.72 | June 24, 2035 | 4,363 | Acquired |
| June 18, 2025 | STAA | Common Stock Options | Common Stock (19,415) | $16.85 | June 17, 2035 | 19,415 | Acquired |
| June 20, 2024 | STAA | Common Stock Options [F1] | Common Stock (4,010) | $40.11 | June 19, 2034 | 4,010 | Acquired |
| Dec. 4, 2023 | STAA | Common Stock | Common Stock (2,686) | $32.29 | June 15, 2034 | 2,686 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).