X0609 4 2026-09-15 0 0001563190 Compass, Inc. COMP 0001847171 Wahlers Scott R. false C/O COMPASS, INC. 110 FIFTH AVENUE, 4TH FLOOR NEW YORK NY 10011 0 1 0 0 CFO 0 Class A Common Stock 2026-09-15 4 M 0 47466 0 A 365878 D Class A Common Stock 2026-09-15 4 F 0 24297 10.65 D 341581 D Restricted Stock Unit (RSU) 2026-09-15 4 M 0 27671 0 D Class A Common Stock 27671 212146 D Restricted Stock Unit (RSU) 2026-09-15 4 M 0 19795 0 D Class A Common Stock 19795 230946 D Each RSU represents a contingent right to receive one (1) share of the Issuer's Class A Common Stock upon settlement. Represents shares withheld by Issuer to satisfy tax withholding obligations on the vesting of RSUs. The RSUs vest as to 36,895 shares on March 15, 2026; 27,671 shares on each of June 15, 2026 and September 15, 2026; 27,672 shares on December 15, 2026; 23,243 shares on March 15, 2027; 23,244 shares on each of June 15, 2027, September 15, 2027, and December 15, 2027; 15,864 shares on March 15, 2028; and 15,865 shares on each of June 15, 2028, September 15, 2028, and December 15, 2028; and 7,010 shares on each of March 15, 2029, June 15, 2029, September 15, 2029, and December 15, 2029, subject to the Reporting Person's provision of service to the Issuer on each vesting date. The RSU award vests as to 8.33% on December 15, 2025, 6.25% quarterly thereafter through June 15, 2029, and 4.17% on August 15, 2029, subject to the Reporting Person's provision of service to the Issuer on each vesting date. /s/ Ethan Glass, as attorney-in-fact 2026-09-17