Claros Mortgage Trust, Inc. Insider Buying: Richard Mack Adds Stake

A Form 4 filed with the SEC shows Richard Mack, CEO, COB at Claros Mortgage Trust, Inc. (CMTG), purchased 220,603 shares of company stock on 2026-09-03.

The transaction was executed at a price of $1.59 per share, for a total value of approximately $351,241.

Under SEC rules, corporate insiders — officers, directors, and holders of more than 10% of a company's shares — are required to report changes in their ownership within two business days of the transaction via Form 4.

Purchases by company insiders are one of several signals investors monitor, alongside earnings results and broader sector trends.