Fluence Energy, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Fluence Energy, Inc. (FLNC), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are FLNC insiders buying or selling?
In the last 12 months, Fluence Energy, Inc. insiders reported 2 open-market purchases ($125.1K) and 7 sales ($480.0M) — net selling of $479.9M. Since November 2021, Trabud has recorded 48 Form 4 filings for FLNC: 31 buys ($3.1M) and 17 sells ($884.2M).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $73.6K by Herman E Bulls (Director) on Sep 22, 2026. SEC ↗
- 2 different insiders made open-market purchases of FLNC in the last 90 days, totaling $125.1K, all on Sep 22, 2026 at the same price ($7.36).
- The most recent open-market purchase was reported on Sep 22, 2026 (26 days ago).
Key Statistics (November 2021 – Sep 22, 2026)
Total Form 4 filings
48
SEC EDGAR
Insider filers
19
Insider buys (31)
$3.1M
Insider sells (17)
$884.2M
Insider sentiment
Net sellingNet insider flow of $881.1M in net selling since November 2021, and $479.9M in net selling over the last 12 months. 2 insider buys in the last 90 days.
Recent FLNC insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 22, 2026 | Herman E Bulls | Director | Purchase | 10.0K | $7.36 | $73.6K | SEC ↗ |
| Sep 22, 2026 | Harald Von Heynitz | Director | Purchase | 7.0K | $7.36 | $51.5K | SEC ↗ |
| Jun 26, 2026 | John Zahurancik | SVP & CCSO | Sale | 32.0K | $23.60 | $754.7K | SEC ↗ |
| Jun 25, 2026 | John Zahurancik | SVP & CCSO | Sale | 32.0K | $23.60 | $754.7K | SEC ↗ |
| Jun 16, 2026 | Harald Von Heynitz | Director | Sale | 5.0K | $25.00 | $125.0K | SEC ↗ |
| May 19, 2026 | AES CORP | 10% Owner | Sale | 10.1M | $21.00 | $211.4M | SEC ↗ |
| May 18, 2026 | Qatar Investment Authority | 10% Owner | Sale | 2.9M | $21.00 | $60.2M | SEC ↗ |
| May 15, 2026 | SPT Holding Sarl | 10% Owner | Sale | 10.1M | $20.53 | $206.6M | SEC ↗ |
| Mar 19, 2026 | Harald Von Heynitz | Director | Sale | 10.0K | $16.50 | $165.0K | SEC ↗ |
| May 15, 2025 | Cynthia A Arnold | Director | Purchase | 33.0K | $5.90 | $194.6K | SEC ↗ |
| Mar 17, 2025 | Julian Nebreda | President and CEO | Purchase | 9.4K | $5.26 | $49.7K | SEC ↗ |
| Mar 6, 2025 | Herman E Bulls | Director | Purchase | 10.0K | $5.41 | $54.1K | SEC ↗ |
| Feb 20, 2025 | Harald Von Heynitz | Director | Purchase | 7.0K | $6.99 | $48.9K | SEC ↗ |
| Feb 18, 2025 | Elizabeth Anne Fessenden | Director | Purchase | 1.7K | $6.43 | $10.9K | SEC ↗ |
| Feb 18, 2025 | Ahmed Pasha | SVP & Chief Financial Officer | Purchase | 15.5K | $6.48 | $100.4K | SEC ↗ |
| Feb 18, 2025 | Julian Nebreda | President and CEO | Purchase | 23.5K | $6.35 | $149.3K | SEC ↗ |
| Feb 14, 2025 | Herman E Bulls | Director | Purchase | 30.0K | $6.53 | $195.9K | SEC ↗ |
| Feb 14, 2025 | Cynthia A Arnold | Director | Purchase | 10.0K | $6.56 | $65.6K | SEC ↗ |
| Dec 26, 2024 | Herman E Bulls | Director | Purchase | 10.0K | $15.57 | $155.7K | SEC ↗ |
| Aug 15, 2024 | Herman E Bulls | Director | Purchase | 10.0K | $16.81 | $168.1K | SEC ↗ |
| Jun 14, 2024 | John Zahurancik | SVP and President, Americas | Sale | 25.0K | $24.22 | $605.5K | SEC ↗ |
| Mar 4, 2024 | Ahmed Pasha | SVP & Chief Financial Officer | Purchase | 3.3K | $15.20 | $50.2K | SEC ↗ |
| Mar 4, 2024 | Julian Nebreda | President and CEO | Purchase | 6.7K | $14.77 | $98.9K | SEC ↗ |
| Dec 12, 2023 | Qatar Investment Authority | Director, 10% Owner | Sale | 3.8M | $22.05 | $84.3M | SEC ↗ |
| Dec 12, 2023 | AES CORP | 10% Owner | Sale | 7.1M | $22.05 | $156.3M | SEC ↗ |
Showing the 25 most recent of 48 Form 4 filings for Fluence Energy, Inc..
Most active FLNC insiders
- Herman E Bulls9 filings
- Harald Von Heynitz5 filings
- Julian Nebreda5 filings
- Cynthia A Arnold3 filings
- Dennis Fehr3 filings
Ask anything about FLNC insider activity
Use Trabud's AI agent to query Fluence Energy, Inc.'s Form 4 history in plain English — "Show me FLNC CEO purchases this year" or compare it against any other ticker.
Open the AI agentFLNC insider trading FAQ
Are Fluence Energy, Inc. insiders buying or selling?
In the last 12 months, Fluence Energy, Inc. insiders reported 2 open-market purchases ($125.1K) and 7 sales ($480.0M) — net selling of $479.9M. Since November 2021, Trabud has recorded 48 Form 4 filings for FLNC: 31 buys ($3.1M) and 17 sells ($884.2M). Over the full record that is net selling of $881.1M.
How many insiders trade FLNC stock?
19 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Fluence Energy, Inc.. The most recent filing was accepted on Sep 22, 2026.
Where does Trabud get FLNC insider trading data?
All FLNC insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.