X0508 4 2026-02-27 0001666291 Claros Mortgage Trust, Inc. CMTG 0001424106 Mack Richard C/O MACK REAL ESTATE CREDIT STRATEGIES 60 COLUMBUS CIRCLE, 20TH FLOOR NEW YORK NY 10023 true true false false CEO AND CHAIRMAN false Common Stock 2026-02-27 4 P false 50000 2.4071 A 2717330 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.385 to $2.425 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 purchased at each separate price within the ranges set forth in this footnote. /s/ Jeffrey D. Siegel, Attorney-in-Fact for Richard Mack 2026-03-03