Company: CIMO
Filing Date: 2025-09-16
Form Type: 8-A12B
Source: 0001193125-25-204436
Chunk: 0

Company: CHIMERA INVESTMENT CORP
Filing Date: 2025-09-16
Form: 8-A12B
Chunk 0
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 CHIMERA INVESTMENT CORPORATION (Exact Name of Registrant as Specified in Its Charter)

| Maryland                                               |     |                          26-0630461 |
| (State of incorporation or organization)               |     | -I.R.S. Employer Identification No. |
| 630 Fifth Avenue, Ste 2400                             
 New York, New York                                     |     |                               10111 |
| (Address of Principal Executive Offices of Registrant) |     |                           -Zip Code |

Securities to be registered pursuant to Section 12(b) of the Act:

| Title of Each Class          
 to be so                     
 Registered                   |     | Name of Each Exchange on Which 
 Each                           
 Class is to be Registered      |
| 8.875% Senior Notes due 2030 |     | New York Stock Exchange        |

If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), check the following box. ☒ If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box. ☐ If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box. ☐ Securities Act registration statement file number to which this form relates: 333-283045 Securities to be registered pursuant to Section 12(g) of the Act: None.

INFORMATION REQUIRED IN REGISTRATION STATEMENT ITEM 1. DESCRIPTION OF REGISTRANT’S SECURITIES TO BE REGISTERED. Chimera Investment Corporation (the “Registrant”), has filed with the U.S. Securities and Exchange Commission (the “Commission”) pursuant to Rule 424(b) under the Securities Act of 1933, as amended, a prospectus supplement dated September 9, 2025 (the “Prospectus Supplement”) to the prospectus dated November 6, 2024 (the “Base Prospectus” and, collectively with the Prospectus Supplement, the “Prospectus”) contained in the Registrant’s effective Registration