X0609 4 2026-06-11 0 0001409493 CHIMERA INVESTMENT CORP CIM 0001998928 Mills Susan false C/O CHIMERA INVESTMENT CORPORATION ONE ROCKEFELLER PLAZA, 32ND FLOOR NEW YORK NY 10020 1 0 0 0 0 Common Stock 2026-06-11 4 A 0 11263 0 A 37757 D Represents shares of Chimera Investment Corporation ("Chimera") common stock underlying restricted stock units (RSUs). The RSUs are scheduled to vest on the earlier of (1) the first anniversary of the grant date, June 11, 2027, or, if earlier, (2) the date of the next annual stockholders meeting of the Chimera and shall be settled 100% in shares of Chimera common stock. The reporting person does not intend to report the vesting of the RSUs nor the delivery of the shares of common stock. Each RSU has the economic equivalent of one share of Chimera common stock. /s/ Susan Mills 2026-06-15