Fluence Energy, Inc S-3ASR, filed May 12, 2026

Fluence Energy, Inc. (FLNC)

S-3ASR 2026-05-12

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Added on October 17, 2026

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	Delaware			87-1304612
	(State or other jurisdiction of incorporation or organization)			(I.R.S. Employer Identification Number)

	Large accelerated filer ☐			Accelerated filer ☒
	Non-accelerated filer ☐			Smaller reporting company ☐
				Emerging growth company ☐

	ABOUT THIS PROSPECTUS					1
	CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION					2
	WHERE YOU CAN FIND MORE INFORMATION; INCORPORATION BY REFERENCE					4
	ABOUT FLUENCE ENERGY, INC.					6
	RISK FACTORS					7
	USE OF PROCEEDS					8
	DESCRIPTION OF CAPITAL STOCK					9
	DESCRIPTION OF DEBT SECURITIES					15
	DESCRIPTION OF OTHER SECURITIES					22
	GLOBAL SECURITIES					23
	SELLING SECURITYHOLDERS					27
	PLAN OF DISTRIBUTION					29
	LEGAL MATTERS					31
	EXPERTS					31

	Shares Beneficially Owned Before Offering												Shares Beneficially Owned After Offering
	Class A Common Stock(1)				Class B-1 Common Stock				% of Total Voting Power Before Offering(2)		Maximum Number of Shares of Class A Common Stock to be Sold in Offering		Class A Common Stock				Class B-1 Common Stock
Name	Shares		% of Class A Common Stock		Shares		% of Class B-1 Common Stock		% of Total Voting Power Before Offering(2)				Shares		% of Class A Common Stock		Shares		% of Class B-1 Common Stock		% of Total Voting Power After Offering(2)
AES Grid Stability, LLC(3)		—		—		51,499,195		100%		66.0%		51,499,195		—		—		—		—		—
Siemens AG(4)		51,499,195		38.8%		—		—		13.2%		51,499,195		—		—		—		—		—
Qatar Holding LLC(5)		14,668,275		11.0%		—		—		3.8%		14,668,275		—		—		—		—		—

SEC registration fee for shares offered by the Selling Securityholders identified herein	$	(1)
SEC registration fee	$	(1)
FINRA filing fee	$	(2)
Printing expenses	$	(2)
Legal fees and expenses	$	(2)
Accounting fees and expenses	$	(2)
Blue Sky, qualification fees and expenses	$	(2)
Transfer agent fees and expenses	$	(2)
Trustee fees and expenses	$	(2)
Depositary fees and expenses	$	(2)
Warrant agent fees and expenses	$	(2)
Miscellaneous	$	(2)
Total	$	(2)

	Exhibit Number			Description
	1.1*			Form of Underwriting Agreement.
	3.1			Amended and Restated Certificate of Incorporation of Fluence Energy, Inc. (incorporated by reference to the Company’s 8-K filed on November 3, 2021).
	3.2			First Certificate of Amendment to the Amended and Restated Certificate of Incorporation of Fluence Energy, Inc. (incorporated by reference to Exhibit 3.1 of the Company’s Form 8-K filed on December 22, 2022).
	3.3			Certificate of Retirement of 65,674,195 shares of Class B-1 Common Stock Fluence Energy, Inc. (incorporated by reference to the Company’s 8-K filed on June 11, 2024).
	3.4			Amended and Restated Bylaws of Fluence Energy, Inc. (incorporated by reference to the Company’s 8-K filed on November 3, 2021).
	4.1			Specimen Certificate evidencing the shares of Class A common stock (incorporated by reference to the Company’s Form S-1/A (File No. 333-259839) filed on October 19, 2021).
	4.2*			Form of Specimen Certificate Representing Preferred Stock.
	4.3			Form of Indenture.
	4.4*			Form of Debt Security.
	4.5*			Form of Deposit Agreement.
	4.6*			Form of Warrant.
	4.7*			Form of Warrant Agreement.
	4.8*			Form of Purchase Contract Agreement.
	4.9*			Form of Unit Agreement.
	5.1			Opinion of Latham & Watkins LLP.
	23.1			Consent of Latham & Watkins LLP (included in Exhibit 5.1).
	23.2			Consent of Ernst & Young LLP, independent registered public accounting firm.
	24.1			Powers of Attorney (incorporated by reference to the signature page hereto).
	25.1			Statement of Eligibility on Form T-1 under the Trust Indenture Act of 1939, as amended, of U.S. Bank Trust Company, National Association, as trustee under the indenture filed as Exhibit 4.3 above.
	107.1			Filing Fee Table.

SIGNATURE	TITLE	DATE
/s/ Julian Nebreda Julian Nebreda	Chief Executive Officer, President and Director (Principal Executive Officer)	May 12, 2026
/s/ Ahmed Pasha Ahmed Pasha	Senior Vice President and Chief Financial Officer (Principal Financial Officer)	May 12, 2026
/s/ Michelle Philpot Michelle Philpot	Chief Accounting Officer (Principal Accounting Officer)	May 12, 2026
/s/ Herman Bulls Herman Bulls	Chairman of the Board	May 12, 2026
/s/ Cynthia Arnold Cynthia Arnold	Director	May 12, 2026
/s/ Peter Chi-Shun Luk Peter Chi-Shun Luk	Director	May 12, 2026
/s/ Ricardo Falú Ricardo Falú	Director	May 12, 2026

ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE		1
Section 1.1.	Definitions.	1
Section 1.2.	Other Definitions.	4
Section 1.3.	Incorporation by Reference of Trust Indenture Act.	4
Section 1.4.	Rules of Construction.	5

ARTICLE II. THE SECURITIES		5
Section 2.1.	Issuable in Series.	5
Section 2.2.	Establishment of Terms of Series of Securities.	6
Section 2.3.	Execution and Authentication.	8
Section 2.4.	Registrar, Paying Agent and Notice Agent.	9
Section 2.5.	Paying Agent to Hold Money in Trust.	10
Section 2.6.	Holder Lists.	10
Section 2.7.	Transfer and Exchange.	10
Section 2.8.	Mutilated, Destroyed, Lost and Stolen Securities.	11
Section 2.9.	Outstanding Securities.	12
Section 2.10.	Treasury Securities.	12
Section 2.11.	Temporary Securities.	12
Section 2.12.	Cancellation.	13
Section 2.13.	Defaulted Interest.	13
Section 2.14.	Global Securities.	13
Section 2.15.	CUSIP Numbers.	15

ARTICLE III. REDEMPTION		15
Section 3.1.	Notice to Trustee.	15
Section 3.2.	Selection of Securities to be Redeemed.	16
Section 3.3.	Notice of Redemption.	16
Section 3.4.	Effect of Notice of Redemption.	17
Section 3.5.	Deposit of Redemption Price.	17
Section 3.6.	Securities Redeemed in Part.	17

ARTICLE IV. COVENANTS		17
Section 4.1.	Payment of Principal and Interest.	17
Section 4.2.	SEC Reports.	18
Section 4.3.	Compliance Certificate.	18
Section 4.4.	Stay, Extension and Usury Laws.	18

ARTICLE V. SUCCESSORS		19
Section 5.1.	When Company May Merge, Etc.	19
Section 5.2.	Successor Corporation Substituted.	19

ARTICLE VI. DEFAULTS AND REMEDIES		19
Section 6.1.	Events of Default.	19

Section 6.2.	Acceleration of Maturity; Rescission and Annulment.	21
Section 6.3.	Collection of Indebtedness and Suits for Enforcement by Trustee.	21
Section 6.4.	Trustee May File Proofs of Claim.	22
Section 6.5.	Trustee May Enforce Claims Without Possession of Securities.	23
Section 6.6.	Application of Money Collected.	23
Section 6.7.	Limitation on Suits.	23
Section 6.8.	Unconditional Right of Holders to Receive Principal and Interest.	24
Section 6.9.	Restoration of Rights and Remedies.	24
Section 6.10.	Rights and Remedies Cumulative.	24
Section 6.11.	Delay or Omission Not Waiver.	25
Section 6.12.	Control by Holders.	25
Section 6.13.	Waiver of Past Defaults.	25
Section 6.14.	Undertaking for Costs.	26

ARTICLE VII. TRUSTEE		26
Section 7.1.	Duties of Trustee.	26
Section 7.2.	Rights of Trustee.	27
Section 7.3.	Individual Rights of Trustee.	28
Section 7.4.	Trustee’s Disclaimer.	29
Section 7.5.	Notice of Defaults.	29
Section 7.6.	Reports by Trustee to Holders.	29
Section 7.7.	Compensation and Indemnity.	29
Section 7.8.	Replacement of Trustee.	30
Section 7.9.	Successor Trustee by Merger, Etc.	31
Section 7.10.	Eligibility; Disqualification.	31
Section 7.11.	Preferential Collection of Claims Against Company.	31

ARTICLE VIII. SATISFACTION AND DISCHARGE; DEFEASANCE		32
Section 8.1.	Satisfaction and Discharge of Indenture.	32
Section 8.2.	Application of Trust Funds; Indemnification.	33
Section 8.3.	Legal Defeasance of Securities of any Series.	33
Section 8.4.	Covenant Defeasance.	35
Section 8.5.	Repayment to Company.	36
Section 8.6.	Reinstatement.	36

ARTICLE IX. AMENDMENTS AND WAIVERS		36
Section 9.1.	Without Consent of Holders.	36
Section 9.2.	With Consent of Holders.	37
Section 9.3.	Limitations.	38
Section 9.4.	Compliance with Trust Indenture Act.	38
Section 9.5.	Revocation and Effect of Consents.	38
Section 9.6.	Notation on or Exchange of Securities.	39
Section 9.7.	Trustee Protected.	39

ARTICLE X. MISCELLANEOUS		39
Section 10.1.	Trust Indenture Act Controls.	39
Section 10.2.	Notices.	39

Section 10.3.	Communication by Holders with Other Holders.	41
Section 10.4.	Certificate and Opinion as to Conditions Precedent.	41
Section 10.5.	Statements Required in Certificate or Opinion.	41
Section 10.6.	Rules by Trustee and Agents.	42
Section 10.7.	Legal Holidays.	42
Section 10.8.	No Recourse Against Others.	42
Section 10.9.	Counterparts.	42
Section 10.10.	Governing Law; Waiver of Jury Trial; Consent to Jurisdiction.	43
Section 10.11.	No Adverse Interpretation of Other Agreements.	43
Section 10.12.	Successors.	43
Section 10.13.	Severability.	43
Section 10.14.	Table of Contents, Headings, Etc.	43
Section 10.15.	Securities in a Foreign Currency.	44
Section 10.16.	Judgment Currency.	44
Section 10.17.	Force Majeure.	45
Section 10.18.	U.S.A. Patriot Act.	45

ARTICLE XI. SINKING FUNDS		45
Section 11.1.	Applicability of Article.	45
Section 11.2.	Satisfaction of Sinking Fund Payments with Securities.	46
Section 11.3.	Redemption of Securities for Sinking Fund.	46

§ 310(a)(1)		7.10
(a)(2)		7.10
(a)(3)		Not Applicable
(a)(4)		Not Applicable
(a)(5)		7.10
(b)		7.10
§ 311(a)		7.11
(b)		7.11
(c)		Not Applicable
§ 312(a)		2.6
(b)		10.3
(c)		10.3
§ 313(a)		7.6
(b)(1)		7.6
(b)(2)		7.6
(c)(1)		7.6
(d)		7.6
§ 314(a)		4.2, 10.5
(b)		Not Applicable
(c)(1)		10.4
(c)(2)		10.4
(c)(3)		Not Applicable
(d)		Not Applicable
(e)		10.5
(f)		Not Applicable
§ 315(a)		7.1
(b)		7.5
(c)		7.1
(d)		7.1
(e)		6.14
§ 316(a)		2.10
(a)(1)(A)		6.12
(a)(1)(B)		6.13
(b)		6.8
§ 317(a)(1)		6.3
(a)(2)		6.4
(b)		2.5
§ 318(a)		10.1

	TERM		DEFINED IN SECTION
	“Agent Member”		2.14.6
	“Bankruptcy Law”		6.1
	“Custodian”		6.1
	“Event of Default”		6.1
	“Judgment Currency”		10.16
	“mandatory sinking fund payment”		11.1
	“New York Banking Day”		10.16
	“Notice Agent”		2.4
	“optional sinking fund payment”		11.1
	“Paying Agent”		2.4
	“Registrar”		2.4
	“Required Currency”		10.16
	“Specified Courts”		10.10
	“successor person”		5.1

	Fluence Energy, Inc.

	By:
		Name:
		Its:

	U.S. Bank Trust Company, National Association, as Trustee

	By:
		Name:
		Its:

	1271 Avenue of the Americas
	New York, New York 10020-1401
	Tel: +1.212.906.1200 Fax: +1.212.751.4864
	www.lw.com
	FIRM / AFFILIATE OFFICES
	Austin	Milan
	Beijing	Munich
	Boston	New York
	Brussels	Orange County
	Chicago	Paris
	Dubai	Riyadh
May 12, 2026	Düsseldorf	San Diego
	Frankfurt	San Francisco
	Hamburg	Seoul
	Hong Kong	Silicon Valley
	Houston	Singapore
	London	Tel Aviv
	Los Angeles	Tokyo
	Madrid	Washington, D.C.

Delaware	87-1304612
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

	Sincerely,

	/s/ Latham & Watkins LLP

	12/31/2025
Assets
Cash and Balances Due From Depository Institutions	$	2,035,855
Securities		4,696
Federal Funds		0
Loans & Lease Financing Receivables		0
Fixed Assets		623
Intangible Assets		574,084
Other Assets		173,370
Total Assets	$	2,788,628

Liabilities
Deposits	$	0
Fed Funds		0
Treasury Demand Notes		0
Trading Liabilities		0
Other Borrowed Money		0
Acceptances		0
Subordinated Notes and Debentures		0
Other Liabilities		237,596
Total Liabilities	$	237,596

Equity
Common and Preferred Stock		200
Surplus		1,171,635
Undivided Profits		1,379,197
Minority Interest in Subsidiaries		0
Total Equity Capital	$	2,551,032

Total Liabilities and Equity Capital	$	2,788,628