Harald von Heynitz - 17 Mar 2026 Form 4 Insider Report for Fluence Energy, Inc. (FLNC)

Reporting relationship: Director
Issuer ticker: FLNC
Reported as of: 17 Mar 2026
Net transaction value: -$165,019
SEC form: 4
Accepted by SEC: 19 Mar 2026, 16:06:04 UTC
Prior SEC filing: 16 Mar 2026
Next SEC filing: 16 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Leah Patterson as Attorney-in-fact for Harald von Heynitz

Key filing fact

Harald von Heynitz filed Form 4 for Fluence Energy, Inc. (FLNC) on 19 Mar 2026.

Key facts

This page summarizes Harald von Heynitz's Form 4 filing for Fluence Energy, Inc. (FLNC).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 19 Mar 2026, 16:06.

Change

Previous filing in this sequence was filed on 16 Mar 2026.
Current net transaction value: -$165,019.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001884307 Primary reporting owner

von Heynitz Harald

Relationship: Director
Address: C/O FLUENCE ENERGY, INC., 4601 FAIRFAX DRIVE, SUITE 600, ARLINGTON
Signature: /s/ Leah Patterson as Attorney-in-fact for Harald von Heynitz
Signature date: 19 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

FLNC transaction

Class A Common Stock

Options Exercise

Transaction value
Shares: +32,348
Change %: +79%
Price
Shares after: 73,550
Date: 17 Mar 2026
Ownership: Direct
Footnotes: F1

FLNC transaction

Class A Common Stock

Sale

Transaction value: $165,019
Shares: -10,000
Change %: -14%
Price: $16.50
Shares after: 63,550
Date: 18 Mar 2026
Ownership: Direct
Footnotes: F2, F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

FLNC transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
Shares: -32,348
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 17 Mar 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 32,348
Exercise price
Footnotes: F1, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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

Footnote F2

The sales reported on this Form 4 represent the number of shares sold by the Reporting Person to cover tax obligations in connection with the vesting of RSUs.

Footnote F3

This transaction was executed in multiple trades at prices ranging from $16.49 to $16.56, inclusive. The price reported above reflects the weighted average sales price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares and prices at which the transaction was effected.

Footnote F4

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