Form 4 Filing for Fluence Energy, Inc.

On May 15, 2026, AES Grid Stability, LLC, a subsidiary of The AES Corporation, exercised its redemption right for 10,066,414 LLC Units of Fluence Energy, LLC, along with the cancellation of an equal number of Class B-1 Common Stock shares. This action was prompted by the decision of AES Grid Stability and The AES Corporation to sell 10,066,414 shares of Class A Common Stock in an underwritten offering. The LLC Units are exchangeable for Class A Common Stock on a one-for-one basis or their cash equivalent, subject to certain conditions. The transaction involved the acquisition of 10,066,414 shares of Class A Common Stock at a price per share of $0.00, resulting in 10,066,414 shares held post-transaction. Subsequently, 10,066,414 shares of Class A Common Stock were disposed of at a price of $21.00 per share, leaving 0 shares held. In a related derivative transaction, 10,066,414 LLC Units of Fluence Energy, LLC were disposed of, with the underlying security being Class A Common Stock.