UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 7, 2021

PennyMac Financial Services, Inc.

(formerly known as New PennyMac Financial Services, Inc.)

(Exact name of registrant as specified in its charter)

(818) 224-7442

(Registrant’s telephone number, including area code)

Former name or former address, if changed since last report: N/A

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). 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 provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 1.01 Entry into a Material Definitive Agreement.

On October 7, 2021, PennyMac Financial Services, Inc. (the “Company”) and certain of its subsidiaries, as guarantors, executed supplemental indentures (the “Supplemental Indentures”) to effect amendments (the “Amendments”) with respect to the indentures (the “Indentures”) governing its (i) 5.375% Senior Notes due 2025 (the “2025 Notes”) and (ii) 4.250% Senior Notes due 2029 (the “2029 Notes” and together with the 2025 Notes, the “Notes”) in connection with its previously announced solicitations of consents from holders of the applicable Notes. The Amendments conform the restricted payments covenant and the “permitted investments” definition included in the applicable Indentures to the restricted payments covenant and “permitted investments” definition, respectively, contained in the indenture governing the Company’s 5.75% Senior Notes due 2031, which were issued on September 16, 2021.

The foregoing summary of the Supplemental Indentures does not purport to be complete and is qualified in its entirety to the Supplemental Indentures, which are filed as Exhibits 4.1 and 4.2 to this Form 8-K and are incorporated by reference herein.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.