John Lau
CIK 1718051 · View on SEC EDGAR ↗
First SEC filing: Sept. 29, 2017 · Latest: Sept. 29, 2017
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Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 2, 2018 | ECVT | F | 6,406 | $17.68 | $113,258 | 309,432 Direct | -2.03% | Disposed | -40.8% (price as of 2026-08-20) |
| Oct. 2, 2017 | ECVT | A | 44,196 | — | — | 315,838 Direct | +16.27% | 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.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 29, 2017 | ECVT | Common Stock | 271,642 | Direct |