UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

~~Washington~~WASHINGTON, ~~D.C.~~DC 20549

FORM 8-K

CURRENT REPORT

~~Pursuant to~~PURSUANT ~~Section~~ TO SECTION 13 OR 15(dD) ~~of The Securities Exchange Act of 1934~~

~~Date~~OF ofTHE ~~Report~~SECURITIES ~~(Date~~EXCHANGE ofACT ~~earliest~~OF ~~event reported): September 20, 2023~~ 1934

~~PIMCO~~Date ~~Energy~~of ~~and~~report ~~Tactical~~(Date ~~Credit~~of ~~Opportunities~~earliest ~~Fund~~event reported) November 14, 2025

~~(Exact~~PIMCO ~~name~~Dynamic ofIncome ~~registrant~~Strategy ~~as specified in its charter)~~ Fund

(Exact Name of Registrant as Specified in Its Charter)

Massachusetts

(State or Other Jurisdiction of Incorporation)

811- 23390		83-2312108
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))

☐ 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:

Title of each class Trading Symbol(s) Name of each exchange on which registered Common shares ~~NRGX~~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. ☐

Item 8.01 Other Events.

OnEffective ~~September 20~~immediately, ~~2023~~Mark ~~the~~R. ~~Board~~Kiesel ofno ~~Trustees~~longer ~~(the~~manages ~~“Board”) of PIMCO Energy and Tactical Credit Opportunities Fund (~~the ~~“Fund”)~~ ~~approved: (i) changing the Fund’s name to “~~PIMCO Dynamic Income Strategy Fund” ~~and its ticker symbol on~~ (the ~~New York Stock Exchange to~~ “~~PDX~~Fund”~~; (ii~~). ~~changes~~John toM. ~~the investment objectives~~Devir, ~~certain~~Greg ~~non-fundamental~~E. ~~investment guidelines and principal investment strategies and risk factors of the Fund~~Sharenow, ~~including~~Daniel ~~the~~J. ~~rescission of the Fund’s non-fundamental policy adopted pursuant to Rule 35d-1 under the Investment Company Act of 1940~~Ivascyn, asAlfred ~~amended~~T. ~~(the “1940 Act”)~~Murata, ~~to invest, under normal circumstances, at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in investments linked to the energy sector~~ and inGiang ~~investments~~Bui ~~linked~~will tocontinue ~~the credit sectors (the “80% Policy”); (iii) a 0.10% reduction in the annual management fee rate paid by the Fund~~ to ~~Pacific Investment~~be ~~Management~~primarily ~~Company~~responsible ~~LLC~~for ~~(“PIMCO”),~~ the ~~investment manager of the Fund, from 1.35% to 1.25% of the Fund’s average daily total managed assets; and (iv)~~ ~~amendments~~ day-to ~~the Fund’s Amended and Restated Agreement and Declaration of Trust and Amended and Restated Bylaws, each dated December~~-day ~~13,~~management ~~2018, for the sole purpose~~ of ~~changing~~ the ~~name of the~~ Fund. In addition, the following individuals will be added to the Fund’s portfolio management team: Dan Ivascyn, Managing Director and Group Chief Investment Officer, Alfred Murata, Managing Director, and Giang Bui, Executive Vice President.

AMr. Devir ~~summary~~is ofa ~~the~~managing ~~Fund’s~~director ~~revised investment objectives~~ and ~~strategies~~portfolio ismanager ~~attached~~in ~~hereto~~the asNewport ~~Exhibit~~Beach 99office.1. InHe ~~accordance~~is ~~with Rule 35d-1 under~~ the ~~1940~~head ~~Act, the Fund will provide shareholders~~ of ~~the~~Americas ~~Fund~~credit ~~with~~research, 60lead ~~days’~~analyst ~~written~~for ~~notice~~global ~~of the rescission of the 80% Policy. All of the changes described above will be effective on November 21~~energy, ~~2023~~and ~~(the~~lead ~~“Effective~~portfolio ~~Date”);~~manager ~~except~~for ~~that~~MLP ~~the~~and ~~reduction~~energy ininfrastructure ~~the~~and ~~annual~~long/short ~~management~~equity ~~fee~~strategies. ~~rate~~Prior ~~paid by the Fund~~ to joining PIMCO ~~will~~in ~~be effective on December 1~~2011, ~~2023.~~he Awas ~~copy~~a ofmanaging ~~the~~director ~~press~~and ~~release~~head ~~relating~~of toequity ~~the~~strategies ~~changes~~at ~~described above~~Barclays isCapital ~~attached~~in ~~hereto~~New ~~as Exhibit 99~~York.2.

~~Item~~Mr. Sharenow 9is a managing director and portfolio manager in the Newport Beach office, focusing on commodities and real assets.01 ~~Financial~~Prior ~~Statements~~to joining PIMCO in 2011, he was an energy trader at Hess Energy Trading, Goldman Sachs, and ~~Exhibits~~DE Shaw.

(d)	Exhibits
	99.1	Investment Objectives and Strategies
	99.2	Press Release

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.

~~SIGNATURES~~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.

~~Pursuant~~Ms. Bui tois ~~the~~an ~~requirements~~executive ofvice president in the ~~Securities~~Newport ~~Exchange~~Beach ~~Act~~office and a portfolio manager and trader of ~~1934~~securitized debt instruments and bank loans, focusing on collateralized loan obligations (CLOs), leveraged loans, asset-backed collateralized debt obligations, and off-the-run sectors ~~Registrant~~within ~~has~~structured ~~duly~~products. ~~caused~~Ms. Bui ~~this~~joined ~~report~~PIMCO toin be2000 ~~signed~~and onis ~~its~~a ~~behalf~~member by of the ~~undersigned~~bank ~~hereunto~~loan ~~duly~~portfolio ~~authorized~~management team, responsible for bank loan investments and the management of PIMCO-issued CLOs.

~~PIMCO~~SIGNATURE ~~Energy and Tactical Credit Opportunities Fund~~

~~By:~~Pursuant ~~/s/~~to ~~Ryan~~the G.requirements ~~Leshaw~~of ~~Name:~~the ~~Ryan~~Securities G.Exchange ~~Leshaw~~Act ~~Title:~~of ~~Chief~~1934, ~~Legal~~the ~~Officer~~Registrant ~~Date:~~has ~~September~~duly ~~22,~~caused ~~2023~~this report to be signed on its behalf by the undersigned hereunto duly authorized.


	PIMCO Dynamic Income Strategy Fund

	By:	/s/ Ryan G. Leshaw
	Name:	Ryan G. Leshaw
	Title:	Secretary and Chief Legal Officer

Date: November 14, 2025

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