Company: CIMO
Filing Date: 2025-10-01
Form Type: S-8
Source: 0001193125-25-226835
Chunk: 7

Company: CHIMERA INVESTMENT CORP
Filing Date: 2025-10-01
Form: S-8
Chunk 7
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, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the Company of expenses incurred or paid by a director, officer or controlling person of the Company in the successful    
 defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the Company will, unless in the opinion of its counsel the matter has been settled by          
 controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.            |

6

SIGNATURES Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8and has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York, State of New York, on October 1, 2025.

| CHIMERA INVESTMENT CORPORATION |     |                                          |
| By:                            |     | /s/ Phillip J. Kardis II                 |
|                                |     | Phillip J. Kardis II President and Chief 
 Executive Officer                        |

POWER OF ATTORNEY Each person whose signature appears below hereby authorizes Phillip K. Kardis, II and Subramaniam Viswanathan, and each of them, as attorney-in-factand agents, each with full power of substitution and resubstitution, to sign on his or her behalf, individually and in each capacity stated below, any amendment, including post-effective amendments to this registration statement and any and all related registration statements pursuant to Rule 462(b) of the Securities Act of 1933, as amended (the “Securities Act”), and to file the same, with all exhibits thereto, and all documents in connection therewith, with the Securities and Exchange Commission hereby ratifying and confirming all that said attorneys-in-factand agents, or any of them or their substitute or substitutes, may lawfully do or cause to be done by virtue hereof. Pursuant to the requirements of the Securities Act, this registration statement has been signed below by the following persons in the capacities and on the date indicated.

| Signatures                  
 /s/ Phillip J. Kardis II    
 Phillip J. Kardis II