Stephen J. Hill
First SEC filing: June 16, 2021 · Latest: June 15, 2026
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 21, 2026 | LYEL | S | 989 | $15.54 | $15,369 | 16,816 Direct | -5.55% | Disposed | -41.6% (price as of 2026-10-05) |
| Aug. 10, 2026 | LYEL | S | 89 | $14.34 | $1,276 | 17,805 Direct | -0.50% | Disposed | -36.8% (price as of 2026-10-05) |
| May 11, 2026 | LYEL | S | 89 | $18.92 | $1,684 | 17,894 Direct | -0.49% | Disposed | -52.1% (price as of 2026-10-05) |
| Feb. 11, 2026 | LYEL | S | 1,236 | $23.39 | $28,910 | 17,795 Direct | -6.49% | Disposed | -61.2% (price as of 2026-10-05) |
| Feb. 10, 2026 | LYEL | S | 109 | $23.12 | $2,520 | 19,031 Direct | -0.57% | Disposed | -60.8% (price as of 2026-10-05) |
| Feb. 10, 2026 | LYEL | A | 65,000 | · | · | 65,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 9, 2026 | LYEL | A | 4,000 | · | · | 19,140 Direct | +26.42% | Acquired | (price as of 2026-10-05) |
| Nov. 10, 2025 | LYEL | S | 95 | $16.12 | $1,531 | 15,750 Direct | -0.60% | Disposed | -43.7% (price as of 2026-10-05) |
| Oct. 27, 2025 | LYEL | A | 75,000 | · | · | 75,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 21, 2025 | LYEL | S | 1,004 | $10.54 | $10,582 | 15,845 Direct | -5.96% | Disposed | -13.9% (price as of 2026-10-05) |
| Aug. 20, 2025 | LYEL | A | 8,000 | · | · | 16,849 Direct | +90.41% | Acquired | (price as of 2026-10-05) |
| Aug. 12, 2025 | LYEL | S | 94 | $10.34 | $972 | 8,849 Direct | -1.05% | Disposed | -12.3% (price as of 2026-10-05) |
| Aug. 11, 2025 | LYEL | S | 91 | $10.53 | $958 | 8,943 Direct | -1.01% | Disposed | -13.9% (price as of 2026-10-05) |
| Feb. 10, 2025 | LYEL | A | 112,500 | · | · | 172,899 Direct | +186.26% | Acquired | (price as of 2026-10-05) |
| Feb. 10, 2025 | LYEL | A | 450,000 | · | · | 450,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 10, 2025 | LYEL | A | 56,250 | · | · | 56,250 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 9, 2024 | LYEL | A | 400,000 | · | · | 400,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 9, 2024 | LYEL | A | 40,000 | · | · | 48,928 Direct | +448.03% | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2023 | LYEL | D | 700,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 16, 2023 | LYEL | A | 700,000 | · | · | 700,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2023 | LYEL | D | 85,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 16, 2023 | LYEL | A | 85,000 | · | · | 85,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2023 | LYEL | D | 100,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 16, 2023 | LYEL | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2023 | LYEL | D | 450,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 16, 2023 | LYEL | A | 450,000 | · | · | 450,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2023 | LYEL | D | 165,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 16, 2023 | LYEL | A | 165,000 | · | · | 165,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2023 | LYEL | D | 500,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 16, 2023 | LYEL | A | 500,000 | · | · | 500,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 24, 2023 | LYEL | A | 900,000 | · | · | 900,000 Direct | · | Acquired | (price as of 2026-10-05) |
| March 16, 2022 | LYEL | A | 700,000 | · | · | 700,000 Direct | · | Acquired | (price as of 2026-10-05) |
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. 10, 2026 | LYEL | Option (right to buy) | Common Stock | $23.71 | Feb. 9, 2036 | 65,000 | Acquired |
| Oct. 27, 2025 | LYEL | Option (right to buy) | Common Stock | $17.23 | Oct. 26, 2035 | 75,000 | 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 | Stock Option (right to buy) | Common Stock | $1.80 | Feb. 8, 2034 | 400,000 | Acquired |
| Nov. 16, 2023 | LYEL | Stock Option (right to buy) | Common Stock | $5.98 | March 15, 2032 | 700,000 | Disposed |
| Nov. 16, 2023 | LYEL | Stock Option (right to buy) | Common Stock | $1.87 | March 15, 2032 | 700,000 | Acquired |
| Nov. 16, 2023 | LYEL | Stock Option (right to buy) | Common Stock | $12.67 | April 13, 2031 | 85,000 | Disposed |
| Nov. 16, 2023 | LYEL | Stock Option (right to buy) | Common Stock | $1.87 | April 13, 2031 | 85,000 | Acquired |
| Nov. 16, 2023 | LYEL | Stock Option (right to buy) | Common Stock | $6.24 | Feb. 11, 2031 | 100,000 | Disposed |
| Nov. 16, 2023 | LYEL | Stock Option (right to buy) | Common Stock | $1.87 | Feb. 11, 2031 | 100,000 | Acquired |
| Nov. 16, 2023 | LYEL | Stock Option (right to buy) | Common Stock | $5.96 | Nov. 16, 2030 | 450,000 | Disposed |
| Nov. 16, 2023 | LYEL | Stock Option (right to buy) | Common Stock | $1.87 | Nov. 16, 2030 | 450,000 | Acquired |
| Nov. 16, 2023 | LYEL | Stock Option (right to buy) | Common Stock | $3.65 | Jan. 15, 2030 | 165,000 | Disposed |
| Nov. 16, 2023 | LYEL | Stock Option (right to buy) | Common Stock | $1.87 | Jan. 15, 2030 | 165,000 | Acquired |
| Nov. 16, 2023 | LYEL | Stock Option (right to buy) | Common Stock | $3.65 | Nov. 30, 2029 | 500,000 | Disposed |
| Nov. 16, 2023 | LYEL | Stock Option (right to buy) | Common Stock | $1.87 | Nov. 30, 2029 | 500,000 | Acquired |
| Feb. 24, 2023 | LYEL | Option (right to buy) | Common Stock | $2.13 | Feb. 23, 2033 | 900,000 | Acquired |
| March 16, 2022 | LYEL | Option (right to buy) | Common Stock | $5.98 | March 15, 2032 | 700,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 16, 2021 | LYEL | Option (right to buy) | 500,000 | Direct |
| June 16, 2021 | LYEL | Option (right to buy) | 165,000 | Direct |
| June 16, 2021 | LYEL | Option (right to buy) | 450,000 | Direct |
| June 16, 2021 | LYEL | Option (right to buy) | 100,000 | Direct |
| June 16, 2021 | LYEL | Option (right to buy) | 85,000 | Direct |
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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $529,473 | · | $62,269 | $1,183,606 | $291,500 | · | $9,591 | $2,076,439 |
| 2024 | $516,738 | · | $94,800 | $497,600 | $226,400 | · | $7,304 | $1,342,842 |
| 2023 | $504,400 | $55,484 | · | $2,332,161 | $208,065 | · | $8,018 | $3,108,128 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.