Sec Form 4 Filing - SIEMENS PENSION TRUST E V @ Fluence Energy, Inc. - 2025-10-14

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person SIEMENS PENSION TRUST E V 2. Issuer Name and Ticker or Trading Symbol Fluence Energy, Inc. [ FLNC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) WITTELSBACHER PLATZ 2 3. Date of Earliest Transaction (MM/DD/YY) 10/14/2025 (Street) MUNICH, 2M80333 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 10/14/2025 J( 1 ) 20,000,000 A 20,000,000 I See footnotes ( 2 ) ( 4 ) Class A Common Stock 11,761,131 I See footnotes ( 3 ) ( 4 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other SIEMENS PENSION TRUST E V WITTELSBACHER PLATZ 2 MUNICH, 2M80333 X Signatures SIEMENS PENSION-TRUST E.V., By: /s/ Dr. Peter Rathgeb, Name: Dr. Peter Rathgeb, Title: Treasurer SAG 10/15/2025 Signature of Reporting Person Date By: /s/ Heiko Fischer, Name: Heiko Fischer, Title: Head PEN 10/15/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents shares received in a transfer from Siemens AG to SPT Holding, SARL in a transaction exempt from reporting under Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Such transfer does not represent any change to the aggregate number of shares of Issuer Class A Common Stock beneficially owned by Siemens AG and its subsidiaries. ( 2 )These shares are directly owned by SPT Holding, SARL. ( 3 )These shares are directly owned by SPT Invest Management Sarl. ( 4 )SPT Invest Management Sarl is wholly owned by SPT Holding, SARL, which is wholly owned by Siemens Pension-Trust e.V. Siemens AG is an affiliate of Siemens Pension-Trust e.V. and may be deemed to share beneficial ownership of the shares of Class A Common Stock beneficially owned by Siemens Pension-Trust e.V.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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