# EDGAR Filing Document

**Accession Number:** 0001891368
**File Stem:** 0000950103-26-009313
**Filing Date:** 2026-6
**Character Count:** 8416
**Document Hash:** f1cde9540254e3c373705c01fe44e30c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950103-26-009313.hdr.sgml**: 20260622

**ACCESSION NUMBER**: 0000950103-26-009313

**CONFORMED SUBMISSION TYPE**: 144

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260622

**DATE AS OF CHANGE**: 20260622

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Fluence Energy, Inc.
- **CENTRAL INDEX KEY:** 0001868941
- **STANDARD INDUSTRIAL CLASSIFICATION:** MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 871304612
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 144
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 001-40978
- **FILM NUMBER:** 261108734

**BUSINESS ADDRESS:**
- **STREET 1:** 4601 FAIRFAX DRIVE
- **STREET 2:** SUITE 600
- **CITY:** ARLINGTON
- **STATE:** VA
- **ZIP:** 22203
- **BUSINESS PHONE:** (833) 358-3623

**MAIL ADDRESS:**
- **STREET 1:** 4601 FAIRFAX DRIVE
- **STREET 2:** SUITE 600
- **CITY:** ARLINGTON
- **STATE:** VA
- **ZIP:** 22203
**REPORTING-OWNER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AES Grid Stability, LLC
- **CENTRAL INDEX KEY:** 0001891368

**ORGANIZATION NAME:**
- **EIN:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 144

**BUSINESS ADDRESS:**
- **STREET 1:** C/O THE AES CORPORATION
- **STREET 2:** 4300 WILSON BOULEVARD, SUITE 1100
- **CITY:** ARLINGTON
- **STATE:** VA
- **ZIP:** 22203
- **BUSINESS PHONE:** 1-703-682-6336

**MAIL ADDRESS:**
- **STREET 1:** C/O THE AES CORPORATION
- **STREET 2:** 4300 WILSON BOULEVARD, SUITE 1100
- **CITY:** ARLINGTON
- **STATE:** VA
- **ZIP:** 22203

## Exhibit 99.1

**Exhibit 99.1**

**<u>Annex A</u>**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) Fluence Energy, LLC, a Delaware limited liability company (the "Company") was established
in January 2018 as a joint venture between AES Grid Stability, LLC ("AES Grid Stability") and Siemens Industry, Inc. Pursuant
to the Company's Third Amended and Restated Limited Liability Company Agreement, dated as of October 27, 2021, by and among the
Company, a Delaware limited liability company, Fluence Energy, Inc., a Delaware corporation ("Issuer"), AES Grid Stability
and the other Members (as defined therein) party thereto, and in connection with the consummation of Issuer's initial public offering,
Issuer recapitalized the units, including the Class A units, held by the existing members of the Company, which included AES Grid Stability
among others, into a new single class of limited liability company interest in the Company (the "LLC Units"), resulting in
AES Grid Stability receiving 58,586,695 LLC Units and an equivalent number of shares of Class B-1 common stock, $0.00001 par value per
share, of Issuer (the "Class B-1 Common Stock"). Each LLC Unit and an equal number of shares of Class B-1 Common
Stock of the Issuer together are exchangeable at the discretion of the holder for, at the Issuer's election, shares of Class A Common
Stock on a one-for-one basis or the cash value thereof, subject to certain exceptions, conditions and adjustments, and have no expiration
date.

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 144

### NOTICE OF PROPOSED SALE OF SECURITIES
### PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933

### 144: Filer Information

**Filer CIK:** 0001891368

**Is this a LIVE or TEST Filing?:** LIVE

### Submission Contact Information
_Not provided in this filing._

### 144: Issuer Information

**Name of Issuer:** Fluence Energy, Inc.

**SEC File Number:** 001-40978

**Address of Issuer:** 4601 Fairfax Drive, Suite 600, Arlington, VA, 22203

**Phone:** 8333583623

**Name of Person for Whose Account the Securities are to Be Sold:** AES Grid Stability, LLC

**Relationship to Issuer:** Affiliate

See the definition of "person" in paragraph (a) of Rule 144.
Information is to be given not only as to the person for whose account
the securities are to be sold but also as to all other persons
included in that definition. In addition, information shall be given
as to sales by all persons whose sales are required by paragraph (e)
of Rule 144 to be aggregated with sales for the account of the person
filing this notice.

### 144: Securities Information

|  |  |  |  |  |  |  |
|:---|:---|:---|:---|:---|:---|:---|
| Title of the Class of Securities To Be Sold | Name and Address of the Broker                                                      | Number of Shares or Other Units To Be Sold | Aggregate Market Value | Number of Shares or Other Units Outstanding | Approximate Date of Sale | Name the Securities Exchange |
| Class A common stock                        | Goldman Sachs International<br>Plumtree Court<br>25 Shoe Lane<br>London X0 EC4A 2AU | 15000000                                   | 377850000.00           | 132811490                                   | 06/22/2026               | NASDAQ                       |

Furnish the following information with respect to the acquisition of
the securities to be sold and with respect to the payment of all or
any part of the purchase price or other consideration therefor:

### 144: Securities To Be Sold

|  |  |  |  |  |  |  |  |
|:---|:---|:---|:---|:---|:---|:---|:---|
| Title of the Class   | Date you Acquired | Nature of Acquisition Transaction | Name of Person from Whom Acquired | Is this a Gift? | Amount of Securities Acquired | Date of Payment | Nature of Payment * |
| Class A common stock | 10/27/2021        | Private placement (1)             | (1)                               | No              | 58586695                      | 10/27/2021      | (1)                 |

* If the securities were purchased and full payment therefor was not
made in cash at the time of purchase, explain in the table or in a
note thereto the nature of the consideration given. If the
consideration consisted of any note or other obligation, or if payment
was made in installments describe the arrangement and state when the
note or other obligation was discharged in full or the last
installment paid.

Furnish the following information as to all securities of the issuer
sold during the past 3 months by the person for whose account the
securities are to be sold.

### 144: Securities Sold During The Past 3 Months

|  |  |  |  |  |
|:---|:---|:---|:---|:---|
| Name and Address of Seller                                             | Title of Securities Sold | Date of Sale | Amount of Securities Sold | Gross Proceeds |
| AES Grid Stability, LLC<br>4300 Wilson Boulevard<br>Arlington VA 22203 | Class A common stock     | 05/15/2026   | 10066414                  | 211394694.00   |

### 144: Remarks and Signature

**Remarks:** In accordance with procedures described in interpretive letters from
staff of the SEC to Goldman, Sachs & Co., dated December 20, 1999, and
to Bank of America, N.A., Merrill Lynch, Pierce, Fenner & Smith Inc.,
dated December 1, 2011, shares being sold are subject to a post-paid
forward sale contract with a financial institution. At maturity,
seller expects to deliver up to the number of shares described herein
and receive a cash payment based on the VWAP of Class A shares during
a valuation period determined by the financial institution, subject to
an agreed maturity window. The final number of Class A shares
delivered may be reduced if, during the valuation period, the VWAP is
below a specified minimum price. The seller expects to pledge as
collateral LLC Units and Class B-1 shares redeemable for Class A
shares deliverable at settlement. Any related hedging activity would
be conducted by or through the broker named herein. (1) See Annex A on
Exhibit 99.1 hereto.

**Date of Notice:** 06/22/2026

ATTENTION:

The person for whose account the securities to which this notice
relates are to be sold hereby represents by signing this notice that
he does not know any material adverse information in regard to the
current and prospective operations of the Issuer of the securities to
be sold which has not been publicly disclosed. If such person has
adopted a written trading plan or given trading instructions to
satisfy Rule 10b5-1 under the Exchange Act, by signing the form and
indicating the date that the plan was adopted or the instruction
given, that person makes such representation as of the plan adoption
or instruction date.

**Signature:** /s/ Jennifer V. Gillcrist, Secretary of AES Grid Stability, LLC