[Form 4] Fluence Energy, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Fluence Energy (FLNC): A Form 4 reports that SPT Invest Management Sarl transferred 11,761,131 shares of Class A common stock on 10/28/2025, coded “J” (other). According to the footnotes, the shares were moved to SPT Holding, SARL, which wholly owns the reporting person. The filer states the transfer was exempt under Rule 16a-13 and does not change the aggregate number of Fluence shares beneficially owned by Siemens AG and its subsidiaries. This reflects an internal reorganization of ownership rather than a market sale.

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

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X

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

SPT Invest Management Sarl

(Last) (First) (Middle)

21 RUE EDMOND REUTER

(Street)

CONTERN N4 5326

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
10/28/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	10/28/2025		J(1)		11,761,131	D	(1)	0	I	See footnote(2)

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Reflects shares transferred to SPT Holding, SARL, which wholly owns the Reporting Person. The transfer was exempt from reporting by SPT Holding, SARL, Siemens AG and their affiliates 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 were directly owned by SPT Invest Management Sarl, which 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.

	SPT Invest Management Sarl By: /s/ Denis Stoffel, Title: Managing Director /s/ Christoph Justen, Title: Authorized Signatory	10/29/2025
	** Signature of Reporting Person	Date
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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FAQ

What did FLNC’s latest Form 4 report?

It disclosed a transfer of 11,761,131 Class A shares on 10/28/2025 by SPT Invest Management Sarl, coded “J” (other).

Who received the transferred FLNC shares?

The shares were transferred to SPT Holding, SARL, which wholly owns the reporting person.

Did the transaction change Siemens AG’s overall FLNC holdings?

The filing states it did not change the aggregate beneficial ownership of Fluence shares by Siemens AG and its subsidiaries.

Was the transaction exempt from reporting as a sale?

The filer notes exemption under Rule 16a-13, reflecting an internal transfer rather than an open-market transaction.

What is the transaction code used in the Form 4?

The transaction was reported with code J (other).