Initial Statement of Beneficial Ownership (Form 3)

FORM 3

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

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(Print or Type Responses)

1. Name and Address of Reporting Person * Mathis Vincent 2. Date of Event Requiring Statement (Month/Day/Year) 11/24/2025 3. Issuer Name and Ticker or Trading Symbol Fluence Energy, Inc. [FLNC] (Last) (First) (Middle) C/O FLUENCE ENERGY, INC., 4601 FAIRFAX DRIVE, SUITE 600 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) See Remarks 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) ARLINGTON, VA 22203 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Class A Common Stock 24,780 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	(2)	(2)	Class A Common Stock	44,804	(1)	D
Restricted Stock Unit	(3)	(3)	Class A Common Stock	248,912	(1)	D
Non-qualified stock option (right-to-buy)	(4)	12/18/2034	Class A Common Stock	39,692	$16.07	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Mathis Vincent C/O FLUENCE ENERGY, INC. 4601 FAIRFAX DRIVE, SUITE 600 ARLINGTON, VA 22203			See Remarks

Signatures

/s/ Christian Yungwirth as Attorney-in-Fact for Vincent Mathis		11/26/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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).
(1)	Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A Common Stock of the Issuer.
(2)	The reporting person was granted 44,804 RSUs on December 18, 2024. The vesting schedule is as follows: 1/3 of the total RSUs will vest on on December 18, 2025, 1/3 of the total RSUs will vest on December 18, 2026, and 1/3 of the total RSUs will vest on December 18, 2027, subject to continued service through such vesting date. The RSUs have no expiration date.
(3)	The reporting person was granted 248,912 RSUs on December 18, 2024. The vesting schedule is as follows: 1/2 of the total RSUs will vest on December 18, 2025 and 1/2 of the total RSUs will vest on December 18, 2026, subject to continued service through such vesting date. The RSUs have no expiration date.
(4)	The reporting person was granted 39,692 non-qualified stock options ("Options") on December 18, 2024. The vesting schedule is as follows: 1/3 of the total Options will vest on December 18, 2025, 1/3 of the total Options will vest on December 18, 2026, and 1/3 of the total Options will vest on December 18, 2027, subject to continued service through such vesting date.
Remarks: SVP & Chief Legal and Compliance Officer and Secretary. Exhibit 24 - Power of Attorney

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