SCHEDULE 13G/A 0001140361-25-033401 0001700087 XXXXXXXX LIVE 1 Class A Common Stock 08/27/2025 0001563190 Compass, Inc. 20464U100 110 Fifth Avenue, 4th Floor New York NY 10011 Rule 13d-1(c) Quad-C Partners IX, L.P. X1 0 0 0 0 0 N 0 PN Quad-C Principals LLC X1 0 0 0 0 0 N 0 IA HC Compass, Inc. 110 Fifth Avenue, 4th Floor, New York, New York, 10011 Quad-C Partners IX, L.P. ("Quad IX") Quad-C Principals LLC (together, with Quad IX, the "Reporting Persons") 240 W Main St., Suite 600 Charlottesville, Virginia 22902 Delaware, for each of the Reporting Persons Y See Row 9 of cover page for each Reporting Person See Row 11 of cover page for each Reporting Person See Row 5 of cover page for each Reporting Person See Row 6 of cover page for each Reporting Person See Row 7 of cover page for each Reporting Person See Row 8 of cover page for each Reporting Person Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Quad-C Partners IX, L.P. /s/ QUAD-C ADVISORS IX, L.P. 09/02/2025 /s/ QUAD-C IX GP, LLC 09/02/2025 /s/ Anthony R. Ignaczak 09/02/2025 Quad-C Principals LLC /s/ QUAD-C MANAGEMENT, INC. 09/02/2025 /s/ Anthony R. Ignaczak 09/02/2025