# EDGAR Filing Document

**Accession Number:** 0001464423
**File Stem:** 0001193125-25-138508
**Filing Date:** 2025-6
**Character Count:** 8406
**Document Hash:** 5ebb1a3441f514632e8f7ff0c11050c9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-138508.hdr.sgml**: 20250610

**ACCESSION NUMBER**: 0001193125-25-138508

**CONFORMED SUBMISSION TYPE**: 8-A12B

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250610

**DATE AS OF CHANGE**: 20250610

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PennyMac Mortgage Investment Trust
- **CENTRAL INDEX KEY:** 0001464423
- **STANDARD INDUSTRIAL CLASSIFICATION:** REAL ESTATE INVESTMENT TRUSTS [6798]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 270186273
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-A12B
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-34416
- **FILM NUMBER:** 251037886

**BUSINESS ADDRESS:**
- **STREET 1:** 3043 TOWNSGATE ROAD
- **CITY:** WESTLAKE VILLAGE
- **STATE:** CA
- **ZIP:** 91361
- **BUSINESS PHONE:** (818) 224-7442

**MAIL ADDRESS:**
- **STREET 1:** 3043 TOWNSGATE ROAD
- **CITY:** WESTLAKE VILLAGE
- **STATE:** CA
- **ZIP:** 91361

**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** 

## PennyMac Mortgage Investment Trust
**(Exact name of registrant as specified in its charter)** 

---

| | |
|:---|:---|
| **Maryland**  | **27-0186273**  |
| **(State of incorporation or organization)** | **(I.R.S. Employer Identification No.)** |
| **3043 Townsgate Road**<br> **Westlake Village, California**<br>| **91361** |
| **(Address of principal executive offices)** | **(Zip code)** |

---

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

---

| | |
|:---|:---|
| **Title of each class<br>to be so registered**<br>| **Name of each exchange on which<br>each class is to be registered**<br>|
| **9.00% 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 or Regulation A file number to which this form relates:** 

**333-287734** 

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

**None** 

------

**Item 1. Description of Registrant's Securities to Be Registered.** 

PennyMac Mortgage Investment Trust, a Maryland real estate investment trust (the "Company"), 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 June 3, 2025 (the "Prospectus Supplement") to the prospectus dated June 3, 2025 (the "Base Prospectus" and, collectively with the Prospectus Supplement, the "Prospectus") contained in the Company's effective Registration Statement on Form S-3 (Registration Nos. 333-287734 and 333-287734-01), which Prospectus was filed with the Commission on June 4, 2025 relating to the Company's 9.00% Senior Notes due 2030 (the "Notes") to be registered hereunder.

The information required by this item is incorporated by reference to the information contained and incorporated by reference in the sections captioned "Description of the Notes" and "Description of Debt Securities" in the Prospectus.

**Item 2. Exhibits.** 

Pursuant to the Instructions as to exhibits for registration statements on Form 8-A, the documents listed below are filed as exhibits to this Registration Statement:

------

---

| | |
|:---|:---|
| **Exhibit<br>Number** | **Description** |
| 3.1 | [Declaration of Trust of PennyMac Mortgage Investment Trust, as amended and restated (incorporated by reference to Exhibit 3.1 to the Company's Quarterly Report on Form 10-Q filed on November 6, 2009).](http://www.sec.gov/Archives/edgar/data/1464423/000104746909009744/a2195189zex-3_1.htm) |
| 3.2 | [Second Amended and Restated Bylaws of PennyMac Mortgage Investment Trust (incorporated by reference to Exhibit 3.2 to the Company's Current Report on Form 8-K filed on March 16, 2018).](http://www.sec.gov/Archives/edgar/data/1464423/000156459018006071/pmt-ex32_7.htm) |
| 3.3 | [Articles Supplementary classifying and designating the 8.125% Series A Fixed-to-Floating Rate Cumulative Redeemable Preferred Shares of Beneficial Interest (incorporated by reference to Exhibit 3.2 to the Company's Registration Statement on Form 8-A filed on March 7, 2017).](http://www.sec.gov/Archives/edgar/data/1464423/000110465917014482/a15-19086_3ex3d2.htm) |
| 3.4 | [Articles Supplementary classifying and designating the 8.00% Series B Fixed-to-Floating Rate Cumulative Redeemable Preferred Shares of Beneficial Interest (incorporated by reference to Exhibit 3.3 to the Company's Registration Statement on Form 8-A filed on June 30, 2017).](http://www.sec.gov/Archives/edgar/data/1464423/000110465917042971/a17-15725_5ex3d3.htm) |
| 3.5 | [Articles Supplementary classifying and designating the 6.75% Series C Cumulative Redeemable Preferred Shares of Beneficial Interest (incorporated by reference to Exhibit 3.4 to the Company's Registration Statement on Form 8-A filed on August 20, 2021).](http://www.sec.gov/Archives/edgar/data/1464423/000119312521252737/d220030dex34.htm) |
| 4.1 | [Indenture, dated as of September 21, 2023, among PennyMac Mortgage Investment Trust, as issuer, PennyMac Corp., as guarantor, and The Bank of New York Mellon Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.1 to the Company's Current Report on Form 8-K filed on September 21, 2023).](http://www.sec.gov/Archives/edgar/data/1464423/000119312523239667/d559772dex41.htm) |
| 4.2 | [First Supplemental Indenture, dated as of September 21, 2023, among PennyMac Mortgage Investment Trust, as issuer, PennyMac Corp., as guarantor, and The Bank of New York Mellon Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.2 to the Company's Current Report on Form 8-K filed on September 21, 2023).](http://www.sec.gov/Archives/edgar/data/1464423/000119312523239667/d559772dex42.htm) |
| 4.3 | [Second Supplemental Indenture, dated as of February 11, 2025, among PennyMac Mortgage Investment Trust, as issuer, PennyMac Corp., as guarantor, and The Bank of New York Mellon Trust Company, N.A., as trustee (incorporated by reference to Exhibit 4.2 to the Company's Current Report on Form 8-K filed on February 11, 2025).](http://www.sec.gov/Archives/edgar/data/1464423/000119312525024373/d868698dex42.htm) |
| 4.4 | [Indenture, dated as of June 10, 2025, among PennyMac Mortgage Investment Trust, as issuer, PennyMac Corp., as guarantor, and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference to Exhibit 4.1 to the Company's Current Report on Form 8-K filed on June 10, 2025).](http://www.sec.gov/Archives/edgar/data/1464423/000119312525138475/d43411dex41.htm) |
| 4.5 | [First Supplemental Indenture, dated as of June 10, 2025, among PennyMac Mortgage Investment Trust, as issuer, PennyMac Corp., as guarantor, and U.S. Bank Trust Company, National Association, as trustee (incorporated by reference to Exhibit 4.2 to the Company's Current Report on Form 8-K filed on June 10, 2025).](http://www.sec.gov/Archives/edgar/data/1464423/000119312525138475/d43411dex42.htm) |
| 4.6 | [Form of 9.00% Senior Notes due 2030 (included in Exhibit 4.5 hereto).](http://www.sec.gov/Archives/edgar/data/1464423/000119312525138475/d43411dex42.htm) |

---

------

**SIGNATURE** 

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.

---

| | | |
|:---|:---|:---|
| Date: June 10, 2025 | **PENNYMAC MORTGAGE INVESTMENT TRUST** | **PENNYMAC MORTGAGE INVESTMENT TRUST** |
|  | By: | /s/ Daniel S. Perotti |
|  | Name: | Daniel S. Perotti |
|  | Title: | Senior Managing Director and Chief Financial Officer |

---