| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hodgson Ian | Chief Operating Officer | C/O CORBUS PHARMACEUTICALS HOLDINGS, INC, 500 RIVER RIDGE DRIVE, NORWOOD | /s/ Meghan Houghton, attorney-in-fact for Ian Hodgson | 04 Feb 2026 | 0002057525 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CRBP | Common Stock, par value $0.0001 per share | Sale | $19,537 | -2,415 | -4.4% | $8.09 | 51,927 | 03 Feb 2026 | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of Restricted Stock Units ("RSUs"). The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person. |
| F2 | The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.01 to $8.15. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| F3 | This amount includes 48,108 unvested RSUs subject to each grant's vesting schedule as previously reported. |