Seunghoon Lee
First SEC filing: July 11, 2024 · Latest: July 11, 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 |
|---|---|---|---|---|---|---|---|---|---|
| June 1, 2026 | MX | A | 30,000 | · | · | 158,201 Direct | +23.40% | Acquired | (price as of 2026-10-05) |
| Dec. 31, 2025 | MX | F | 4,880 | $2.55 | $12,444 | 128,201 Direct | -3.67% | Disposed | 38.8% (price as of 2026-10-05) |
| Dec. 31, 2025 | MX | F | 4,761 | $2.55 | $12,141 | 133,081 Direct | -3.45% | Disposed | 38.8% (price as of 2026-10-05) |
| Dec. 31, 2025 | MX | F | 2,778 | $2.55 | $7,084 | 137,842 Direct | -1.98% | Disposed | 38.8% (price as of 2026-10-05) |
| Dec. 31, 2025 | MX | F | 3,333 | $2.55 | $8,499 | 140,620 Direct | -2.32% | Disposed | 38.8% (price as of 2026-10-05) |
| Dec. 31, 2025 | MX | A | 7,000 | $2.55 | $17,850 | 143,953 Direct | +5.11% | Acquired | 38.8% (price as of 2026-10-05) |
| Aug. 15, 2025 | MX | A | 15,375 | · | · | 15,375 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2025 | MX | A | 30,750 | · | · | 136,953 Direct | +28.95% | Acquired | (price as of 2026-10-05) |
| March 1, 2025 | MX | F | 3,176 | $4.54 | $14,419 | 106,203 Direct | -2.90% | Disposed | -22.0% (price as of 2026-10-05) |
| March 1, 2025 | MX | A | 7,000 | $4.54 | $31,780 | 109,379 Direct | +6.84% | Acquired | -22.0% (price as of 2026-10-05) |
| Dec. 31, 2024 | MX | F | 4,932 | $4.02 | $19,827 | 102,379 Direct | -4.60% | Disposed | -11.9% (price as of 2026-10-05) |
| Dec. 31, 2024 | MX | F | 2,877 | $4.02 | $11,566 | 107,311 Direct | -2.61% | Disposed | -11.9% (price as of 2026-10-05) |
| Dec. 31, 2024 | MX | F | 1,645 | $4.02 | $6,613 | 110,188 Direct | -1.47% | Disposed | -11.9% (price as of 2026-10-05) |
| June 1, 2024 | MX | A | 9,000 | · | · | 9,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 1, 2024 | MX | A | 30,000 | · | · | 111,833 Direct | +36.66% | Acquired | (price as of 2026-10-05) |
| June 1, 2024 | MX | A | 30,000 | · | · | 121,314 Direct | +32.85% | Acquired | (price as of 2026-10-05) |
| June 1, 2024 | MX | A | 9,000 | · | · | 9,000 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 |
|---|---|---|---|---|---|---|---|
| Aug. 15, 2025 | MX | Performance-Based Restricted Stock Units | Common Stock | · | Jan. 31, 2028 | 15,375 | Acquired |
| June 1, 2024 | MX | Performance-Based Restricted Stock Units | Common Stock | · | Jan. 31, 2027 | 9,000 | Acquired |
| June 1, 2024 | MX | Performance-Based Restricted Stock Units | Common Stock | · | Jan. 31, 2027 | 9,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 11, 2024 | MX | Common Stock | 81,833 | Direct |
| July 11, 2024 | MX | Stock Option (Right to Buy) | 12,935 | Direct |
| July 11, 2024 | MX | Stock Option (Right to Buy) | 12,935 | Direct |
| July 11, 2024 | MX | Stock Option (Right to Buy) | 21,970 | Direct |
| May 13, 2024 | MX | Common Stock | 91,314 | Direct |
| May 13, 2024 | MX | Stock Option (Right to Buy) | 12,935 | Direct |
| May 13, 2024 | MX | Stock Option (Right to Buy) | 12,935 | Direct |
| May 13, 2024 | MX | Stock Option (Right to Buy) | 21,970 | 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 | $229,291 | · | · | · | · | $8,945 | $14,396 | $432,827 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.