X0306 4 2018-05-09 0 0001578732 Marcus & Millichap, Inc. MMI 0000939706 MARCUS GEORGE M C/O MARCUS & MILLICHAP, INC. 23975 PARK SORRENTO, SUITE 400 CALABASAS CA 91302 1 0 1 0 Common Stock 2018-05-09 4 S 0 14481 36.4792 D 17782665 I By LLC Common Stock 2018-05-09 4 S 0 59918 37.0859 D 17722747 I By LLC Common Stock 2018-05-09 4 S 0 601 37.8958 D 17722146 I By LLC Common Stock 2018-05-10 4 S 0 54334 36.5424 D 17667812 I By LLC Common Stock 2018-05-10 4 S 0 1750 37.1749 D 17666062 I By LLC Common Stock 18021 D SALE EFFECTED UNDER SALES PLAN PURSUANT TO RULE 10B5-1(C)(1) OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED. The range of prices for the shares of Common Stock is from $35.84 to $36.84. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price. Mr. Marcus is the sole member and manager of Ionian Investments Manager LLC, which is the non-member manager of Phoenix, and beneficially owns 98.4% of its membership interests. Mr. Marcus has voting and investment power with respect to the shares held by Phoenix. Mr. Marcus disclaims beneficial ownership of shares held by Phoenix except to the extent of his pecuniary interest therein. The range of prices for the shares of Common Stock is from $36.85 to $37.85. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price The range of prices for the shares of Common Stock is from $37.86 to $37.93. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price. The range of prices for the shares of Common Stock is from $36.11 to $37.09. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price The range of prices for the shares of Common Stock is from $37.12 to $37.30. The reporting person undertakes that he will provide, upon request by the staff of the U.S. Securities and Exchange Commission, full information regarding the number of securities sold at each separate price. Exhibit 24.1: Power of Attorney /s/ Alex Yarmolinsky, as Attorney-in-Fact for George M. Marcus 2018-05-11