Company: CIMO
Filing Date: 2025-10-01
Form Type: S-8
Source: 0001193125-25-226835
Chunk: 0

Company: CHIMERA INVESTMENT CORP
Filing Date: 2025-10-01
Form: S-8
Chunk 0
---
As filed with the Securities and Exchange Commission on October 1, 2025 Registration Statement No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 CHIMERA INVESTMENT CORPORATION (Exact Name of Registrant as Specified in its Governing Instruments)

| Maryland                                       |     |         26-0630461 |
| (State of incorporation                        
 or organization)                               |     |   -I.R.S. Employer 
 Identification No. |
| 630 Fifth Avenue Suite 2400 New York, New York |     |              10111 |
| (Address of principal executive offices)       |     |          -Zip Code |

Chimera Investment Corporation Inducement Award Plan (Full Title of the Plan) 630 Fifth Avenue, Suite 2400 New York, New York 10111 (888) 895-6557 (Address, including Zip Code, and Telephone Number, including Area Code, of Registrant’s Principal Executive Offices) Phillip J. Kardis, II Chief Executive Officer Chimera Investment Corporation 630 Fifth Avenue, Suite 2400 New York, New York 10111 (Name and Address, of Agent for Service) (888) 895-6557 (Telephone Number, including Area Code, of Agent for Service) Copies to: Robert K. Smith, Esq. Hunton Andrews Kurth LLP 2200 Pennsylvania Avenue, N.W. Washington, DC 20037 (202) 955-1611 Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-acceleratedfiler, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2of the Exchange Act.

| Large accelerated filer |     | ☒ |     | Accelerated filer         |     | ☐ |
| Non-accelerated filer   |     | ☐ |     | Smaller reporting company |     | ☐ |
|                         |     |   |     | Emerging growth company   |     | ☐ |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards