Matthew Lang
First SEC filing: Feb. 13, 2024 · Latest: Feb. 13, 2024
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 |
|---|---|---|---|---|---|---|---|---|---|
| April 15, 2026 | GPCR | A | 184,614 | · | · | 184,614 Direct | · | Acquired | (price as of 2026-10-02) |
| April 15, 2026 | GPCR | A | 223,776 | · | · | 223,776 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2025 | LYEL | A | 112,500 | · | · | 162,500 Direct | +225.00% | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2025 | LYEL | A | 450,000 | · | · | 450,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2025 | LYEL | A | 56,250 | · | · | 56,250 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2024 | LYEL | A | 500,000 | · | · | 500,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2024 | LYEL | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 10, 2023 | LYEL | A | 2,250,000 | · | · | 2,250,000 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| April 15, 2026 | GPCR | Share option (right to buy) | Ordinary Shares [F1] | · | April 14, 2036 | 223,776 | Acquired |
| Feb. 10, 2025 | LYEL | Option (right to buy) | Common Stock | $0.55 | Feb. 9, 2035 | 450,000 | Acquired |
| Feb. 10, 2025 | LYEL | Option (right to buy) | Common Stock | $0.55 | Feb. 9, 2035 | 56,250 | Acquired |
| Feb. 9, 2024 | LYEL | Option (right to buy) | Common Stock | $1.80 | Feb. 8, 2034 | 500,000 | Acquired |
| Aug. 10, 2023 | LYEL | Option (right to buy) | Common Stock | $2.31 | Aug. 9, 2033 | 2,250,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $516,423 | $400,000 | $118,500 | $622,000 | $206,000 | · | $6,709 | $1,869,632 |
| 2023 | $250,000 | · | · | $3,662,100 | $94,521 | · | $1,732 | $4,008,353 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.