Fluence Energy (FLNC) director acquires 32,348 vested shares

Rhea-AI Filing Summary

Fluence Energy, Inc. director Herman E. Bulls reported the vesting and exercise of restricted stock units into Class A Common Stock. On March 17, 2026, 32,348 RSUs, each representing one share, vested in full and were converted into 32,348 shares.

Following this non-cash derivative exercise, Bulls directly holds 159,550 shares of Class A Common Stock. The filing shows compensation-related share acquisition, with no open-market purchases or sales reported in this transaction.

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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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^*

BULLS HERMAN E

(Last) (First) (Middle)

C/O FLUENCE ENERGY, INC.

4601 FAIRFAX DRIVE, SUITE 600

(Street)

ARLINGTON VIRGINIA 22203

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Fluence Energy, Inc. [ FLNC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/17/2026

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

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

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

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	03/17/2026		M		32,348	A	(1)	159,550	D

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
Restricted Stock Unit	(1)	03/17/2026		M			32,348	(2)	(2)	Class A Common Stock	32,348	$0	0	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A Common Stock of the Issuer.

2. The RSUs vested in full on March 17, 2026. The RSUs had no expiration date.

Remarks:

	/s/ Leah Patterson as Attorney-in-fact for Herman E. Bulls	03/19/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Fluence Energy (FLNC) disclose for Herman E. Bulls?

Fluence Energy disclosed that director Herman E. Bulls exercised 32,348 restricted stock units into Class A Common Stock. The RSUs vested in full on March 17, 2026, representing a compensation-related share acquisition rather than an open-market stock purchase or sale.

How many Fluence Energy (FLNC) shares did Herman E. Bulls acquire in this Form 4?

Herman E. Bulls acquired 32,348 shares of Fluence Energy Class A Common Stock through the exercise of restricted stock units. Each RSU converted into one share upon vesting, reflecting equity compensation rather than a cash purchase on the open market.

What is Herman E. Bulls’ Fluence Energy (FLNC) shareholding after the reported transaction?

After the reported RSU vesting and conversion, Herman E. Bulls directly holds 159,550 shares of Fluence Energy Class A Common Stock. This total reflects his position following the acquisition of 32,348 shares through the full vesting of restricted stock units on March 17, 2026.

Were there any open-market buys or sells in the Fluence Energy (FLNC) Form 4?

The Form 4 shows no open-market buying or selling by Herman E. Bulls. Instead, it records a derivative exercise where 32,348 restricted stock units vested and converted into the same number of Class A Common Stock shares as part of his equity compensation.

What do the restricted stock unit (RSU) terms mean in Fluence Energy’s Form 4?

Each Fluence Energy RSU represents a contingent right to receive one share of Class A Common Stock. In this filing, 32,348 RSUs vested in full on March 17, 2026, had no expiration date, and were settled by issuing 32,348 common shares to Herman E. Bulls.