X0508 4 2026-01-06 0 0001563190 Compass, Inc. COMP 0001847171 Wahlers Scott R. C/O COMPASS, INC. 110 FIFTH AVENUE, 4TH FLOOR NEW YORK NY 10011 0 1 0 0 CFO 1 Class A Common Stock 2026-01-06 4 M 0 76329 0 A 389954 D Class A Common Stock 2026-01-06 4 F 0 39895 10.83 D 350059 D Class A Common Stock 2026-01-07 4 S 0 99986 12.0277 D 250073 D Restricted Stock Unit (RSU) 2026-01-06 4 M 0 49936 0 D Class A Common Stock 49936 0 D Restricted Stock Unit (RSU) 2026-01-06 4 M 0 26393 0 D Class A Common Stock 26393 290331 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. Automatic sales pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on May 17, 2024. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.00 to $12.11 per share, inclusive. 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. The RSU award vests as to 25% of the total shares on each of March 31, 2025, June 30, 2025, September 30, 2025 and December 31, 2025, 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 2026-01-08