Scott Thomas Jackson - 18 May 2026 Form 4 Insider Report for MACROGENICS INC (MGNX)

Reporting relationship: Director
Issuer ticker: MGNX
Reported as of: 18 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 20 May 2026, 16:14:08 UTC
Prior SEC filing: 05 Dec 2025
Source filing: View source filing
Reporting owner signature: Beth A. Smith, Attorney-in-fact

Key filing fact

Scott Thomas Jackson filed Form 4 for MACROGENICS INC (MGNX) on 20 May 2026.

Key facts

This page summarizes Scott Thomas Jackson's Form 4 filing for MACROGENICS INC (MGNX).
4 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 20 May 2026, 16:14.

Change

Previous filing in this sequence was filed on 05 Dec 2025.
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 0001566617 Primary reporting owner

Jackson Scott Thomas

Relationship: Director
Address: 9704 MEDICAL CENTER DRIVE, ROCKVILLE
Signature: Beth A. Smith, Attorney-in-fact
Signature date: 20 May 2026

Reported non-derivative transactions

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

MGNX transaction

Common Stock

Options Exercise

Transaction value
Shares: +3,750
Change %: +34%
Price
Shares after: 14,750
Date: 18 May 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
Shares: -3,750
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 18 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,750
Exercise price: $0.000000
Footnotes: F1, F2

MGNX transaction Derivative

Restricted Stock Unit

Award

Transaction value
Shares: +3,750
Change %
Price: $0.000000^*
Shares after: 3,750
Date: 19 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,750
Exercise price: $0.000000
Footnotes: F1, F3

MGNX transaction Derivative

Stock Option (right to buy)

Award

Transaction value
Shares: +22,000
Change %
Price: $0.000000^*
Shares after: 22,000
Date: 19 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 22,000
Exercise price: $4.52
Footnotes: F4

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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

Footnote 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.

Footnote F3

The RSUs will vest one year after the date of grant, or the day prior to the next annual meeting, if earlier

Footnote 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.