InsiderTrades

Form 4 for MGNX MACROGENICS INC

Accepted 2026-08-18 16:19:05 ET · period of report 2026-08-17 · accession 0001588365-26-000007 · 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 2026-08-18 16:19 2026-08-17 MGNX Bonvini Ezio SVP, CSO, Research M - OptEx $2.60 +40.0K 185.8K +27% +$104.0K
D 2026-08-18 16:19 2026-08-17 MGNX Bonvini Ezio SVP, CSO, Research M - OptEx $2.60 -40.0K 88.0K -31% -$104.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-17 M A 40,000 $2.60 185,799 D — — (F1) The transaction represents an exercise and hold of options.
2 Derivative Employee Stock Option (right to buy) 2026-08-17 M D 40,000 $2.60 88,000 D $2.60 · — to 2035-02-07 40,000 Common Stock (F2) 12.5% of the shares underlying the grant become exercisable 6 months after the date of grant and an additional 6.25% of the shares underlying the grant become exercisable on the first day of each three-month period thereafter.