Scott Koenig - 15 Feb 2026 Form 4 Insider Report for MACROGENICS INC (MGNX)

Reporting relationship: Director
Issuer ticker: MGNX
Reported as of: 15 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 17 Feb 2026, 18:22:16 UTC
Prior SEC filing: 10 Feb 2026
Next SEC filing: 20 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Beth A. Smith, Attorney-in-fact

Key filing fact

Scott Koenig filed Form 4 for MACROGENICS INC (MGNX) on 17 Feb 2026.

Key facts

This page summarizes Scott Koenig's Form 4 filing for MACROGENICS INC (MGNX).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 17 Feb 2026, 18:22.

Change

Previous filing in this sequence was filed on 10 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001587514 Primary reporting owner

Koenig Scott

Relationship: Director
Address: 9704 MEDICAL CENTER DRIVE, ROCKVILLE
Signature: /s/ Beth A. Smith, Attorney-in-fact
Signature date: 17 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MGNX transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +21,165
Change %: +2.5%
Price: $0.000000
Shares after: 867,240
Date: 15 Feb 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MGNX transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value: $0
Shares: -21,165
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 15 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 21,165
Exercise price: $0.000000
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

On February 15, 2023, the reporting person was granted 127,000 restricted stock units. Eighty-four thousand, six hundred seventy (84,670) were vested prior to the reporting person's separation from the company and 21,165 units vested upon his separation on August 13, 2025 in accordance with his Separation Agreement.

Footnote F2

Each restricted stock unit (RSU) represents a contingent right to receive one share of the Issuer's common stock.