# EDGAR Filing Document

**Accession Number:** 0001756908
**File Stem:** 0001193125-25-282054
**Filing Date:** 2025-11
**Character Count:** 5735
**Document Hash:** edb80be0d00983b807fec70235f1830c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-282054.hdr.sgml**: 20251114

**ACCESSION NUMBER**: 0001193125-25-282054

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20251114

**ITEM INFORMATION**: Other Events

**FILED AS OF DATE**: 20251114

**DATE AS OF CHANGE**: 20251114

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIMCO Dynamic Income Strategy Fund
- **CENTRAL INDEX KEY:** 0001756908

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 811-23390
- **FILM NUMBER:** 251482548

**BUSINESS ADDRESS:**
- **STREET 1:** 1633 BROADWAY
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10019
- **BUSINESS PHONE:** (844) 312-2113

**MAIL ADDRESS:**
- **STREET 1:** 1633 BROADWAY
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10019

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIMCO Energy & Tactical Credit Opportunities Fund
- **DATE OF NAME CHANGE:** 20181024

?xml version='1.0' encoding='ASCII'? 8-K

### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### WASHINGTON, DC 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) November 14, 2025

## PIMCO Dynamic Income Strategy Fund

#### (Exact Name of Registrant as Specified in Its Charter)

#### Massachusetts

#### (State or Other Jurisdiction of Incorporation)

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| | |
|:---|:---|
| **811-23390** | **83-2312108** |
| **(Commission File Number)** | **(IRS Employer Identification No.)** |
| **1633 Broadway, New York, NY** | **10019** |
| **(Address of Principal Executive Offices)** | **(Zip Code)** |

---

(844) 337-4626

#### (Registrant's Telephone Number, Including Area Code)

#### Not Applicable

#### (Former Name or Former Address, if Changed Since Last Report)
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:

<u>Title of each class</u> <u>Trading Symbol(s)</u> <u>Name of each exchange on which</u> <u>registered</u> <br> Common shares PDX New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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. ☐

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#### Item 8.01 Other Events.
Effective immediately, Mark R. Kiesel no longer manages the PIMCO Dynamic Income Strategy Fund (the "Fund"). John M. Devir, Greg E. Sharenow, Daniel J. Ivascyn, Alfred T. Murata, and Giang Bui will continue to be primarily responsible for the day-to-day management of the Fund.

Mr. Devir is a managing director and portfolio manager in the Newport Beach office. He is the head of Americas credit research, lead analyst for global energy, and lead portfolio manager for MLP and energy infrastructure and long/short equity strategies. Prior to joining PIMCO in 2011, he was a managing director and head of equity strategies at Barclays Capital in New York.

Mr. Sharenow is a managing director and portfolio manager in the Newport Beach office, focusing on commodities and real assets. Prior to joining PIMCO in 2011, he was an energy trader at Hess Energy Trading, Goldman Sachs, and DE Shaw.

Mr. Ivascyn is Group Chief Investment Officer and a managing director in the Newport Beach office. Prior to joining PIMCO in 1998, he worked at Bear Stearns in the asset-backed securities group, as well as T. Rowe Price and Fidelity Investments.

Mr. Murata is a managing director and portfolio manager in the Newport Beach office, managing income-oriented, multisector credit, opportunistic and securitized strategies. Prior to joining PIMCO in 2001, he researched and implemented exotic equity and interest rate derivatives at Nikko Financial Technologies.

Ms. Bui is an executive vice president in the Newport Beach office and a portfolio manager and trader of securitized debt instruments and bank loans, focusing on collateralized loan obligations (CLOs), leveraged loans, asset-backed collateralized debt obligations, and off-the-run sectors within structured products. Ms. Bui joined PIMCO in 2000 and is a member of the bank loan portfolio management team, responsible for bank loan investments and the management of PIMCO-issued CLOs.

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#### SIGNATURE
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.

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| | | |
|:---|:---|:---|
|  | PIMCO Dynamic Income Strategy Fund | PIMCO Dynamic Income Strategy Fund |
|  | By: | <u>/s/ Ryan G. Leshaw</u> |
|  | Name: | Ryan G. Leshaw |
|  | Title: | Secretary and Chief Legal Officer |
|  Date: November 14, 2025 |  |  |

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