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Peters Jeffrey Stuart

SEC insider (Form 3/4/5 filer). CIK 0001706903. Senior VP, GC, and Secretary at MACROGENICS INC (MGNX). 16 reported Form 4/5 transactions since Sep 2024; latest on Aug 19, 2026. Located in ROCKVILLE, MD.

Companies Peters Jeffrey Stuart has filed insider reports for

  • MACROGENICS INC (MGNX): Officer, Senior VP, GC, and Secretary
Peters Jeffrey Stuart profile photo

Peters Jeffrey Stuart

CIK: 0001706903

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (6.3%)

Position reduction

Option Exercises (M)5 (31.3%)

Derivative conversions

Awards (A)5 (31.3%)

Compensation grants

Other (G, F, J, C, D, …)5 (31.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MACROGENICS INC logo
MGNX

MACROGENICS INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (16 total)

  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    Aug 19, 2026
    Sale
    Direct
    31.1K shares at avg. $4.15$129K
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    Feb 15, 2026
    Exercise
    Direct
    13.3K shares-
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    Feb 15, 2026
    Tax Payment
    Direct
    5.1K shares at avg. $1.71$9K
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    Feb 12, 2026
    Award

    Restricted Stock Unit

    Direct
    25K shares-
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    Feb 12, 2026
    Award

    Employee Stock Option (right to buy)

    Direct
    150K shares-
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    Feb 8, 2026
    Exercise
    Direct
    9K shares-
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    Feb 8, 2026
    Tax Payment
    Direct
    3.5K shares at avg. $1.81$6K
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    Feb 7, 2026
    Exercise
    Direct
    6K shares-
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    Feb 7, 2026
    Tax Payment
    Direct
    2.3K shares at avg. $1.81$4K
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    Aug 15, 2025
    Award

    Employee Stock Option (right to buy)

    Direct
    30K shares-

1-10 of 16