Fluence Energy SVP exercises 8,588 RSUs

Fluence Energy, Inc. executive Peter Bennett Williams, SVP and CPSCO, reported the vesting and settlement of 8588 restricted stock units on July 17, 2026.

Rhea-AI Filing Summary

Fluence Energy, Inc. executive Peter Bennett Williams, SVP and CPSCO, reported the vesting and settlement of 8588 restricted stock units on July 17, 2026. These RSUs converted into an equal number of Class A Common Stock shares, of which 3905 shares were withheld at $14.0700 per share to satisfy tax withholding obligations. The RSU award vested in three equal annual installments on July 17 of 2024, 2025 and 2026, and the filing indicates these transactions were not made under a Rule 10b5-1 trading plan.

Insider Trade Summary

8,588 shares exercised/converted

Exercise 3 txns

Insider Williams Peter Bennett

Role SVP and CPSCO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit F1, F3	8,588	$0.00	$0.00
Exercise	Class A Common Stock F1	8,588	$0.00	$0.00
Tax Withholding	Class A Common Stock F2	3,905	$14.07	$55K

Holdings After Transaction: Restricted Stock Unit — 0 contracts (Direct); Class A Common Stock — 22,292 shares (Direct)

Footnotes (3)

1. F1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Class A Common Stock of the Issuer.
2. F2. Represents the number of shares of Class A Common Stock that have been withheld to satisfy tax withholding obligations in connection with the vesting of the RSUs.
3. F3. The restricted stock units vested in three equal annual installments with the first installment having vested on July 17, 2024, the second installment having vested on July 17, 2025 and the final installment having vested on July 17, 2026.

Key Figures

RSUs exercised: 8588 units Shares acquired: 8588 shares Shares withheld for taxes: 3905 shares +2 more

5 metrics

RSUs exercised 8588 units Restricted Stock Units converted to Class A Common Stock on July 17, 2026

Shares acquired 8588 shares Class A Common Stock received from RSU vesting on July 17, 2026

Shares withheld for taxes 3905 shares Class A shares withheld to satisfy tax withholding obligations upon RSU vesting

Tax withholding price $14.0700 per share Per-share value used for shares withheld for tax obligations

RSU vesting installments 3 installments RSUs vested in three equal annual installments ending July 17, 2026

Key Terms

Restricted Stock Unit, tax withholding obligations, Class A Common Stock, exercise or conversion of derivative security

4 terms

Restricted Stock Unit financial

"Each restricted stock unit represents a contingent right to receive one share"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

tax withholding obligations financial

"shares of Class A Common Stock that have been withheld to satisfy tax withholding obligations"

Class A Common Stock financial

"one share of Class A Common Stock of the Issuer"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

exercise or conversion of derivative security financial

"transaction code M described as exercise or conversion of derivative security"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Fluence Energy (FLNC) report for Peter Bennett Williams?

Fluence Energy (FLNC) reported that SVP and CPSCO Peter Bennett Williams had 8588 RSUs vest and convert into Class A Common Stock. On the same date, 3905 shares of that stock were withheld to cover tax obligations, with no open-market purchases or sales disclosed.

How many Fluence Energy (FLNC) RSUs vested and converted into shares?

A total of 8588 restricted stock units vested and converted into 8588 shares of Class A Common Stock for Fluence Energy (FLNC). Each RSU represented a contingent right to receive one share upon vesting, consistent with the company’s equity compensation structure.

How many Fluence Energy (FLNC) shares were withheld for taxes and at what price?

In connection with the RSU vesting at Fluence Energy (FLNC), 3905 shares of Class A Common Stock were withheld to satisfy tax withholding obligations. These shares were valued at a $14.0700 per-share price for the purpose of the tax withholding transaction.

What is the vesting schedule of the Fluence Energy (FLNC) RSUs reported in this Form 4?

The reported RSUs at Fluence Energy (FLNC) vested in three equal annual installments. The first installment vested on July 17, 2024, the second on July 17, 2025, and the final installment vested on July 17, 2026, completing the award’s vesting schedule.

Were the Fluence Energy (FLNC) insider transactions made under a Rule 10b5-1 trading plan?

The transactions reported for Fluence Energy (FLNC) SVP Peter Bennett Williams were not marked as conducted under a Rule 10b5-1 trading plan. The filing’s specific 10b5-1 checkbox was left unchecked, indicating no affirmed pre-arranged trading plan status for these events.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/21/2026 - 04:06 PM Accepted by SEC EDGAR 07/21/2026 - 04:05 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Williams Peter Bennett

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/17/2026

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	07/17/2026		M		8,588	A	$0(1)	26,197	D
Class A Common Stock	07/17/2026		F		3,905(2)	D	$14.07	22,292	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)	07/17/2026		M			8,588	(3)	(3)	Class A Common Stock	8,588	$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. Represents the number of shares of Class A Common Stock that have been withheld to satisfy tax withholding obligations in connection with the vesting of the RSUs.

3. The restricted stock units vested in three equal annual installments with the first installment having vested on July 17, 2024, the second installment having vested on July 17, 2025 and the final installment having vested on July 17, 2026.

Remarks:

	/s/ Leah Patterson as Attorney-in-fact for Peter Bennett Williams	07/21/2026
	** 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)