| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Serwin Bradley K | General Counsel and Secretary | C/O COMPASS, INC., 110 FIFTH AVENUE, 4TH FLOOR, NEW YORK | /s/ Bradley K. Serwin | 05 Sep 2025 | 0001314040 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | COMP | Class A Common Stock | Options Exercise | $0 | +42,553 | +17% | $0.000000 | 294,774 | 04 Sep 2025 | Direct | F1 |
| transaction | COMP | Class A Common Stock | Tax liability | $202,044 | -21,609 | -7.3% | $9.35 | 273,165 | 04 Sep 2025 | Direct | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | COMP | Performance Stock Unit (PSU) | Options Exercise | $0 | -42,553 | -50% | $0.000000 | 42,553 | 04 Sep 2025 | Class A Common Stock | 42,553 | Direct | F1, F3 |
| Id | Content |
|---|---|
| F1 | Each PSU represents a contingent right to receive one (1) share of the Issuer's Class A Common Stock upon settlement. |
| F2 | Represents shares withheld by Issuer to satisfy tax withholding obligations on the vesting of PSUs. |
| F3 | The financial metrics of the PSUs have been satisfied and they will vest as to 50% on August 15, 2025 and the remaining 50% on August 15, 2027, subject to the Reporting Person's provision of service to the Issuer on each vesting date. |