| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| WALSH MATTHEW M | Chief Financial Officer | C/O ORGANON & CO., 30 HUDSON STREET, FLOOR 33, JERSEY CITY | /s/ Tarnetta V. Jones, as Attorney-in-Fact for Matthew M. Walsh | 06 May 2025 | 0001269428 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OGN | Common Stock | Purchase | $100,548 | +11,400 | +8.6% | $8.82 | 144,484 | 05 May 2025 | Direct |