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O'Brien Federica F. profile photo

Federica F. O'Brien

CIK: 0001140119

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)2 (25.0%)

Derivative conversions

Awards (A)6 (75.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (2)

MACROGENICS INC logo
MGNX

MACROGENICS INC

Director
TELA Bio, Inc. logo
TELA

TELA Bio, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (8 total)

  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    May 19, 2026
    Award(A)

    Stock Option (right to buy)

    Direct
    22K shares-
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    May 19, 2026
    Award(A)

    Restricted Stock Unit

    Direct
    3.8K shares-
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    May 18, 2026
    Exercise(M)
    Direct
    3.8K shares-
  • TELA Bio, Inc. logo
    TELA

    TELA Bio, Inc.

    May 28, 2025
    Award(A)
    Direct
    8K shares-
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    May 21, 2025
    Award(A)

    Restricted Stock Unit

    Direct
    3.8K shares-
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    May 21, 2025
    Award(A)

    Stock Option (right to buy)

    Direct
    22K shares-
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    May 21, 2025
    Award(A)

    Stock Option (right to buy)

    Direct
    65K shares at avg. $1.27-
  • MACROGENICS INC logo
    MGNX

    MACROGENICS INC

    May 20, 2025
    Exercise(M)
    Direct
    6.5K shares-

1-8 of 8

About O'Brien Federica F.

O'Brien Federica F. (SEC CIK 0001140119) files insider reports with the SEC as Director of MACROGENICS INC (MGNX) and Director of TELA Bio, Inc. (TELA).

Signal8 holds 3 ownership filings by O'Brien Federica F., all Form 4s, filed between May 22, 2025 and May 20, 2026. Those filings report 8 transactions, from May 20, 2025 to May 19, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on O'Brien Federica F.'s filings is in ROCKVILLE, MD.

Recent filings by O'Brien Federica F.

  • May 19, 2026: Grants or awards of MGNX derivative securities (2 lines, Form 4, code A).
  • May 18, 2026: Option exercise of MGNX shares (Form 4, code M).
  • May 28, 2025: Grant or award of TELA shares (Form 4, code A).
  • May 21, 2025: Grants or awards of MGNX derivative securities (3 lines, Form 4, code A).
  • May 20, 2025: Option exercise of MGNX shares (Form 4, code M).

Other insiders filing for MACROGENICS INC (MGNX)

How to read Form 4 transaction codes