Stephen L. Eck
Insider
First SEC filing: Feb. 19, 2025 · Latest: Feb. 19, 2025
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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. 15, 2025 | MGNX | M | 16,665 | · | · | 16,665 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Feb. 15, 2025 | MGNX | F | 4,942 | $2.56 | $12,652 | 29,377 Direct | -14.40% | Disposed | 39.8% (price as of 2026-10-02) |
| Feb. 15, 2025 | MGNX | M | 16,665 | · | · | 34,319 Direct | +94.40% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2025 | MGNX | M | 11,168 | · | · | 22,332 Direct | -33.34% | Disposed | (price as of 2026-10-02) |
| Feb. 8, 2025 | MGNX | F | 3,312 | $2.60 | $8,611 | 17,654 Direct | -15.80% | Disposed | 37.7% (price as of 2026-10-02) |
| Feb. 8, 2025 | MGNX | M | 11,168 | · | · | 20,966 Direct | +113.98% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2025 | MGNX | A | 19,000 | · | · | 19,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2025 | MGNX | A | 113,000 | · | · | 113,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2024 | MGNX | M | 16,670 | · | · | 33,330 Direct | -33.34% | Disposed | (price as of 2026-10-02) |
| Feb. 15, 2024 | MGNX | F | 6,872 | $17.40 | $119,573 | 9,798 Direct | -41.22% | Disposed | -79.4% (price as of 2026-10-02) |
| Feb. 15, 2024 | MGNX | M | 16,670 | · | · | 16,670 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2024 | MGNX | A | 33,500 | · | · | 33,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2024 | MGNX | A | 90,000 | · | · | 90,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2023 | MGNX | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2023 | MGNX | A | 200,000 | · | · | 200,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2022 | MGNX | A | 150,000 | · | · | 150,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2021 | MGNX | A | 60,000 | · | · | 60,000 Direct | · | Acquired | (price as of 2026-10-02) |
| July 1, 2020 | MGNX | A | 200,000 | $28.87 | $5,774,000 | 200,000 Direct | · | Acquired | -87.6% (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 |
|---|---|---|---|---|---|---|---|
| Feb. 15, 2025 | MGNX | Restricted Stock Unit | Common Stock | · | · | 16,665 | Disposed |
| Feb. 8, 2025 | MGNX | Restricted Stock Unit | Common Stock | · | · | 11,168 | Disposed |
| Feb. 7, 2025 | MGNX | Restricted Stock Unit | Common Stock | · | · | 19,000 | Acquired |
| Feb. 7, 2025 | MGNX | Employee Stock Option (right to buy) | Common Stock | $2.60 | Feb. 7, 2035 | 113,000 | Acquired |
| Feb. 15, 2024 | MGNX | Restricted Stock Unit | Common Stock | · | · | 16,670 | Disposed |
| Feb. 8, 2024 | MGNX | Restricted Stock Unit | Common Stock | · | · | 33,500 | Acquired |
| Feb. 8, 2024 | MGNX | Employee Stock Option (right to buy) | Common Stock | $18.30 | Feb. 8, 2034 | 90,000 | Acquired |
| Feb. 15, 2023 | MGNX | Restricted Stock Unit | Common Stock | · | · | 50,000 | Acquired |
| Feb. 15, 2023 | MGNX | Employee stock option (right to buy) | Common Stock | $4.82 | Feb. 15, 2033 | 200,000 | Acquired |
| Feb. 22, 2022 | MGNX | Employee stock option (right to buy) | Common Stock | $10.15 | Feb. 22, 2032 | 150,000 | Acquired |
| Feb. 22, 2021 | MGNX | Employee stock option (right to buy) | Common Stock | $19.18 | Feb. 22, 2031 | 60,000 | Acquired |
| July 1, 2020 | MGNX | Employee stock option (right to buy) | Common Stock | $28.87 | July 1, 2030 | 200,000 | 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 | $542,769 | · | $613,050 | $1,297,251 | $178,739 | · | $13,800 | $2,645,609 |
| 2023 | $521,808 | · | $241,000 | $742,820 | $231,840 | · | $13,200 | $1,750,668 |
| 2020 | $236,308 | · | · | $4,788,880 | $97,920 | · | $7,089 | $5,130,197 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.