FLNC
Fluence Energy, Inc. · Manufacturing · Market cap $819.1M
Insiders sold $630K net in the last 90 days ·1 seller, 2 buyers· 2 of 2 sales under Rule 10b5-1 plans· latest Form 4 filed Sep 22, 2026
Insider Buying
$125K
reported purchases (SEC code P)
Insider Selling
$479.3M
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Latest filing
Sep 22, 2026
von Heynitz Harald
Fluence Energy, Inc. (FLNC) has 27 SEC Form 4 filings (44 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Sep 22, 2026.
Inside the rolling window, 6 insiders at Fluence Energy, Inc. reported 2 open-market purchases totaling $125K and 7 open-market sales totaling $479.3M. The most active filer is Director von Heynitz Harald with 3 filings. Insiders have net sold $479.0M over the trailing 6 months. The most recent open-market filing is a purchase of 7,000 shares by Director von Heynitz Harald, dated Sep 21, 2026, worth $52K.
- Industry:Renewable Utilities
- CEO:Julian Jose Nebreda Marquez
- Employees:1,670
- HQ:Arlington, VA, US
- IPO:2021-10-28
| Source | |||||||
|---|---|---|---|---|---|---|---|
von Heynitz HaraldFirst in 3 months | Director | Purchase | 7,000 | $52K | Sep 22 | -18.4% | SEC ↗ |
BULLS HERMAN EFirst in 11 months | Director | Purchase | 10,000 | $74K | Sep 22 | -18.4% | SEC ↗ |
| SVP & CCSO | Sale | 16,000 | $403K | Jun 26 | -69.2% | SEC ↗ | |
| SVP & CCSO | Sale | 15,974 | $352K | Jun 26 | -69.2% | SEC ↗ | |
| Director | Sale | 5,000 | $125K | Jun 16 | -75.2% | SEC ↗ | |
AES CORPFirst filing | 10% Owner | Sale | 10,066,414 | $211.4M | May 19 | -66.9% | SEC ↗ |
Qatar Investment AuthorityFirst filing | 10% Owner | Sale | 2,867,172 | $60.2M | May 18 | -69.7% | SEC ↗ |
SPT Holding SarlFirst filing | 10% Owner | Sale | 10,066,414 | $206.6M | May 15 | -71.4% | SEC ↗ |
von Heynitz HaraldFirst filing | Director | Sale | 10,000 | $165K | Mar 19 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does FLNC have?
Fluence Energy, Inc. (FLNC) has 27 SEC Form 4 filings (44 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Sep 22, 2026.
When was the most recent SEC Form 4 filing for FLNC?
The most recent Form 4 filing for FLNC on Tracefour is dated Sep 22, 2026.
Who is the most active insider at FLNC?
The most active SEC Form 4 filer at FLNC in the rolling window is Director von Heynitz Harald, with 3 filings.
What is the net insider flow at FLNC over the last 6 months?
Over the trailing 180 days, insiders at FLNC have net sold $479.0M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at FLNC in the current window?
Inside the rolling window, insiders at FLNC bought $125K and sold $479.3M based on SEC Form 4 filings.
Can I get alerts for FLNC insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Fluence Energy, Inc. (FLNC). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Fluence Energy, Inc. is in the Manufacturing sector.