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sellNotable cluster of 3

SPT Holding Sarl sold $207M of FLNC

owner at Fluence Energy, Inc.. 10,066,414 shares at an average of $20.53, traded May 15, 2026, filed May 15, 2026.

Warning score
62
Value
$207M
10,066,414 shares
Holdings after
21,694,717
-32% from before
From 52-week low
+368%
low $4.44, close $20.77
From 52-week high
-36%
high $32.23, as of May 15, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $206.6M at market
    +25
  • Share of holdings sold
    Sold 32% of holdings
    +10
  • Cluster
    3 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +14.2%, 3m -36.7%, 6m -.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

FLNCOct 13, 2026 · close 6.78
Since filing May 15, 2026: -67.4%SPY +5.8% · excess -73.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001193125-26-227099, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 15, 2026SOpen-market sale
Class A Common Stock
-10,066,414$20.53$207M21,694,717May 15, 2026

Related signals

Other insiders at Fluence Energy, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
34Weak
FLNCbuy 2
Fluence Energy, Inc.
Herman E Bulls
director
$74k
10,000 shares
+6%
33Weak
FLNCbuy 2
Fluence Energy, Inc.
Harald von Heynitz
director
$52k
7,000 shares
+12%
35Weak
FLNCsell 210b5-1
Fluence Energy, Inc.
John Zahurancik
SVP & CCSO
$755k
31,974 shares
-31%
35Weak
FLNCsell 210b5-1
Fluence Energy, Inc.
John Zahurancik
SVP & CCSO
$755k
31,974 shares
-31%
13Weak
FLNCsell 210b5-1
Fluence Energy, Inc.
Harald von Heynitz
director
$125k
5,000 shares
-8%
72Notable
FLNCsell 3
Fluence Energy, Inc.
Aes Corp
owner
$211M
10,066,414 shares
-100%
57Moderate
FLNCsell 3
Fluence Energy, Inc.
Qatar Investment Authority
owner
$60M
2,867,172 shares
-20%
16Weak
FLNCsell
Fluence Energy, Inc.
Harald von Heynitz
director
$165k
10,000 shares
-14%
50Moderate
FLNCbuy
Fluence Energy, Inc.
Cynthia A Arnold
director
$195k
33,000 shares
+62%
48Moderate
FLNCbuy 2
Fluence Energy, Inc.
Julian Nebreda
President and CEO
$50k
9,450 shares
+8%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

SPT Holding Sarl sold $207M of FLNC | InsiderTell