Initial Statement of Beneficial Ownership

This filing reports that Scott Sauer, a director at PennyMac Mortgage Investment Trust (PMT), acquired 8,886 restricted stock units on June 15, 2026. These units will vest on the first anniversary of the grant date and will be settled in an equal number of common shares of beneficial interest. The ownership is direct, and following this transaction, Mr. Sauer will own 8,886 shares.