Form 4 for MGNX MACROGENICS INC
Accepted 2026-05-20 16:13:33 ET · period of report 2026-05-18 · accession 0001191235-26-000002 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-05-20 16:13 | 2026-05-18 | MGNX | STUMP DAVID C | Dir | M - OptEx | — | +3,750 | 14.8K | +34% | — |
| D | 2026-05-20 16:13 | 2026-05-18 | MGNX | STUMP DAVID C | Dir | M - OptEx | $0.00 | -3,750 | 0 | -100% | $0 |
| DM | 2026-05-20 16:13 | 2026-05-19 | MGNX | STUMP DAVID C | Dir | A - Grant | $0.00 | +25.8K | 22.0K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-05-18 | M | A | 3,750 | — | 14,750 | D | — | — | (F1) Each restricted stock unit (RSU) represents a contingent right to receive one share of the Issuer's common stock. |
| 2 | Derivative | Restricted Stock Unit | 2026-05-18 | M | D | 3,750 | $0.00 | 0 | D | $0.00 · — to — | 3,750 Common Stock | (F1) Each restricted stock unit (RSU) represents a contingent right to receive one share of the Issuer's common stock. (F2) The RSUs vested on May 18, 2026, which was one day prior to the Issuer's 2026 Annual Meeting of Stockholders held on May 19, 2026. (F2) The RSUs vested on May 18, 2026, which was one day prior to the Issuer's 2026 Annual Meeting of Stockholders held on May 19, 2026. |
| 3 | Derivative | Restricted Stock Unit | 2026-05-19 | A | A | 3,750 | $0.00 | 3,750 | D | $0.00 · — to — | 3,750 Common Stock | (F1) Each restricted stock unit (RSU) represents a contingent right to receive one share of the Issuer's common stock. (F3) The RSUs will vest one year after the date of grant, or the day prior to the next annual meeting, if earlier (F3) The RSUs will vest one year after the date of grant, or the day prior to the next annual meeting, if earlier |
| 4 | Derivative | Stock Option (right to buy) | 2026-05-19 | A | A | 22,000 | $0.00 | 22,000 | D | $4.52 · — to 2036-05-19 | 22,000 Common Stock | (F4) The option will vest and become exercisable in monthly, cumulative 1/12th increments (rounded upwards for whole shares) beginning one month from the date of grant. |