| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| HEIDEN WILLIAM K | Director | 9704 MEDICAL CENTER DRIVE, ROCKVILLE | /s/ Beth A. Smith, Attorney-in-fact | 21 Aug 2025 | 0001214939 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MGNX | Common Stock | Purchase | $76,760 | +50,500 | +459% | $1.52 | 61,500 | 19 Aug 2025 | Direct | F1 |
| transaction | MGNX | Common Stock | Purchase | $73,755 | +49,500 | +80% | $1.49 | 111,000 | 20 Aug 2025 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | This transaction was executed in multiple trades at prices ranging from $1.48 to $1.59. The reporting person undertakes to provide to MacroGenics, Inc., any security holder of MacroGenics, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range. |
| F2 | This transaction was executed in multiple trades at prices ranging from $1.46 to $1.50. The reporting person undertakes to provide to MacroGenics, Inc., any security holder of MacroGenics, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range. |