Lin Wei
CIK 1872772 · View on SEC EDGAR ↗
First SEC filing: March 29, 2024 · Latest: March 29, 2024
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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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 1, 2023 | ERAS | A | 560,000 | — | — | 560,000 Direct | — | Acquired | (price as of 2026-08-19) |
| Feb. 1, 2023 | ERAS | J | 2 | $3.89 | $8 | 315,812 Direct | 0.00% | Acquired | 364.0% (price as of 2026-08-19) |
| Feb. 1, 2023 | ERAS | J | 1,748 | $4.10 | $7,167 | 315,812 Direct | +0.56% | Acquired | 340.2% (price as of 2026-08-19) |
| Feb. 1, 2022 | ERAS | J | 1,562 | $11.60 | $18,119 | 314,062 Direct | +0.50% | Acquired | 55.6% (price as of 2026-08-19) |
| Feb. 1, 2022 | ERAS | A | 272,100 | — | — | 272,100 Direct | — | Acquired | (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 1, 2023 | ERAS | Stock Option (right to buy) | Common Stock (560,000) | $4.00 | Jan. 31, 2033 | 560,000 | Acquired |
| Feb. 1, 2022 | ERAS | Stock Option (Right to Buy) | Common Stock (272,100) | $11.54 | Jan. 31, 2032 | 272,100 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 4, 2026 | TCGX | Class B Ordinary Shares→ Class A Ordinary Shares (30,000) | 30,000 | Direct |
| March 29, 2024 | RVMDW | Common Stock | 74,400 | Direct |
| March 29, 2024 | RVMDW | Stock Option (Right to Buy)→ Common Stock (200,000) | 200,000 | Direct |
| March 29, 2024 | RVMDW | Stock Option (Right to Buy)→ Common Stock (64,400) | 64,400 | Direct |
| July 15, 2021 | ERAS | Common Stock | 312,500 | Direct |
| July 15, 2021 | ERAS | Stock Option (Right to Buy)→ Common Stock (833,333) | 833,333 | Direct |