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FLNC Fluence Energy, Inc. Insider Trading

Latest: Insider Sold $211.4M of Shares · May 2026

Multiple insiders have been active at Fluence Energy, Inc. (FLNC): 10 distinct insiders account for 11 buy filings and 4 sell filings as of Jun 2026. Its highest-significance filing in the last 90 days: AES Corp sold $211.4M, transaction dated May 2026.

16 filings analyzed · Latest 2026-06-26

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Buys
11
Sells
4
Insiders
10
Direction
Net buying

Fluence Energy, Inc. leadership

CEO
Julian Nebreda — Chief Executive Officer
CFO
Ahmed Pasha — Chief Financial Officer
General Counsel
Vincent W. Mathis — Senior Vice President, Chief Legal and Compliance Officer, and Secretary
Chair
Herman Bulls — Chairperson of the Board of Directors

Historically, stocks have lagged the S&P 500 by a median ~3% over the 90 days after a medium insider sell (n ≈ 4,738, 2024-2026). Past results don't predict the future. How we measure this ↗

June 2026
2026-06-26 10b5-1 Plan
medium
SVP & CCSO
31,974 shares
$754,703
@ $23.60
Significance 4

SVP & CCSO John Zahurancik sells 31,974 shares at blended $23.60 via 10b5-1 plan; FLNC unprofitable, down -42.5% from 52-week high

John Zahurancik executed 2 separate sales totaling 31,974 shares for $754,702.53 at an average price of $23.60, reducing his holdings by 31.0% to 71,171 shares post-transaction. This sale is part of a pre-arranged 10b5-1 trading plan adopted on 2026-03-20, making it scheduled rather than discretionary. The stock is now trading at $19.27, down 42.5% from its 52-week high of $33.51, while the company reported net income of $-20.9M on revenue of $464.9M, with annual revenue declining 16.2% year-over-year. The transaction occurred within the context of a company navigating unprofitability and significant share price erosion from peak valuations.

May 2026
2026-05-19
high
AES Corp Sell
10,066,414 shares
$211,394,694
@ $21.00
Significance 7

AES Corp (10% owner) exits Fluence Energy entirely: sells 10,066,414 shares at $21.00 for $211,394,694.00

AES Corp, holding 10.07M shares or approximately 10% of Fluence Energy, executed a complete exit from the position, selling all 10,066,414 shares at $21.00 on 2026-05-15 for $211,394,694.00. The sale price of $21.00 stands notably above the current market price of $17.91, positioning this as a transaction above recent trading levels. Fluence Energy faces structural headwinds: the company reported annual revenue growth of -16.2% year-over-year with a net loss of $-20,927,000.00 in its most recent full fiscal year, signaling deteriorating operational performance. A 10% shareholder's complete liquidation of a substantial position warrants investor scrutiny, particularly in the context of the company's negative profitability trend and revenue contraction.

2026-05-18
high
2,867,172 shares
$60,210,612
@ $21.00
Significance 6

Qatar Investment Authority sells 2.87M FLNC shares ($60.2M) at $21.00; divests -19.5% of holdings while company unprofitable.

Qatar Investment Authority (a 10% owner of Fluence Energy) sold 2,867,172 shares (11.80M shares remain post-transaction) for $60,210,612.00 on 2026-05-15, a material reduction of -19.5% of prior holdings. The company is unprofitable (net income $-20,927,000.00 over its most recent full fiscal year) with annual revenue declining -16.2% year-over-year; these fundamentals provide context for the divestiture. The stock is currently trading 37.2% below its 52-week high of $33.51, though it has recovered +55.4% over the past 30 days. As a major institutional holder, the Authority's reduction in position signals a significant shift in capital allocation from this investment.

2026-05-15
high
10,066,414 shares
$206,638,313
@ $20.53
Significance 6

10% owner SPT Holding Sarl sold 10,066,414 shares of FLNC at $20.53 for $206.6M on 2026-05-15

SPT Holding Sarl, a principal shareholder with 10% ownership, executed a substantial $206.6M sale of 10,066,414 shares at $20.53, reducing its stake from 31,761,131 shares to 21,694,717 shares. The sale occurs against a backdrop of material business headwinds: Fluence Energy reported negative net income of $-20,927,000 in the latest quarter and a -16.2% annual revenue decline year-over-year, reflecting operational challenges. The stock has recovered +36.6% in the past 30 days and +12.5% over 90 days from depressed levels, yet remains -38.0% below its 52-week high of $33.51, suggesting the company is trading well below recent peaks despite the recent bounce. The transaction reduces but does not eliminate the insider's controlling position, indicating a significant capital event rather than a complete exit.

May 2025
2025-05-15
medium
33,000 shares
$194,641
@ $5.90
Significance 4

Director Cynthia A. Arnold buys 33.0K shares of FLNC at $5.90; stock now at $5.37, -79.1% from 52-week high.

Arnold purchased 33,000 shares on 2025-05-12 at $5.90, expanding her holdings by 62.0% to 86,202 shares, totaling $194.6K in investment. The stock has since declined to $5.37, trading 79.1% below its 52-week high of $25.65, suggesting a material pullback from recent peaks. Her prior buy at this ticker on 2025-02-13 followed a similar pattern: it resulted in a -21.8% 30-day return and -16.9% 90-day return, with a 0% win rate across her same-ticker history. Fundamentals show revenue growth of 21.7% year-over-year, but the company reported a net loss of $31.0M in the latest quarter against $431.6M in revenue, and the stock trades at a P/E of 29.83 while down 16.5% over the past 90 days—a context where the timing and conviction behind this incremental accumulation warrant close monitoring.

March 2025
2025-03-17
high
President and CEO
9,450 shares
$49,684
@ $5.26
Significance 6

FLNC CEO Nebreda Julian bought 9,450 shares at $5.26 on 2025-03-14; stock down -78.9% from 52-week high, -15.9% in 30 days.

CEO Nebreda Julian purchased 9,450 shares at $5.26, increasing his holdings by 7.8% to 129,905 shares, while the stock trades at $5.41—down 78.9% from its 52-week high of $25.65 and -68.2% over 90 days. At the same ticker, his prior buy on 2025-02-13 is down -19.2% over 30 days, and his earlier 2024-03-04 purchase delivered +70.2% over 90 days. The company reported positive revenue growth of +21.7% (annual FY vs prior FY) but faces net losses of $-41.5M on $186.8M in quarterly revenue. The timing pattern at this ticker shows 1 of 1 prior buys were well-timed at the 90-day mark; however, the current 30-day performance of his most recent prior buy remains negative, and the company's persistent losses alongside sharply declining stock price present a complex signal that requires reconciliation between management's growth narrative and deteriorating equity performance.

2025-03-06
medium
10,000 shares
$54,090
@ $5.41
Significance 4

Director Herman Bulls purchases 10,000 FLNC shares at $5.41 amid -79.4% decline from 52-week high of $25.65

Director Herman Bulls acquired 10,000 shares of Fluence Energy at $5.41 on 2025-03-05, increasing his holdings from 105,861 to 115,861 shares (+9.4%). The transaction occurs while the stock trades at $5.28, representing a -79.4% drawdown from the 52-week high of $25.65 and a -57.3% decline over the prior 30 days. At the same-ticker level, Bulls' prior purchase on 2024-08-13 delivered a +28.9% 90-day return, but his more recent FLNC buy on 2024-12-23 showed a -14.4% 30-day loss; outcomes from his 2025-02-13 purchase are not yet measurable. The company's fundamentals show revenue of $186.8M with net income of $-41.5M, alongside a P/E of 29.33 and annual revenue growth of +21.7%, reflecting a profitable growth story that has faced significant market repricing.

February 2025
2025-02-20
high
7,000 shares
$48,898
@ $6.99
Significance 7

Director von Heynitz bought 7,000 FLNC shares at $6.99; 5 other insiders also bought in past 14 days amid -71.3% 52-week decline.

Director von Heynitz purchased 7,000 shares (29.9K shares post-transaction, a 30.6% increase in his holding) at $6.99 on 2025-02-18, while the stock trades at $7.36 today—well below the 52-week high of $25.65 and down 71.3% from that peak. The transaction occurs within a cluster pattern: 5 other insiders also bought within the past 14 days. This concurrent buying activity by multiple directors coincides with severe stock underperformance (−48.9% over 30 days, −68.0% over 90 days) despite solid annual revenue growth of 21.7% and current quarterly revenue of $186.8M. However, the company posted a net loss of $-41.5M in the latest quarter, and the P/E ratio stands at 40.89, suggesting the market is pricing in significant profitability challenges. The cluster-buy pattern against this backdrop warrants investor attention to both the insider conviction signal and the fundamental headwinds the company faces.

2025-02-18
high
President and CEO
23,500 shares
$149,286
@ $6.35
Significance 6

CEO Nebreda Julian buys 23.5K FLNC shares at $6.35; stock down 72.6% from 52-week high; 5 other insiders bought within 14 days

Nebreda Julian, President and CEO, purchased 23,500 shares of Fluence Energy at $6.35 on 2025-02-13, increasing his holdings from 96,955 shares to 120,455 shares. The transaction occurs as the stock trades at $7.03, down 72.6% from its 52-week high of $25.65 and down 51.3% over the prior 30 days. Notably, this buy is part of a broader cluster pattern: 5 other insiders also purchased shares within the past 14 days, suggesting coordinated or contemporaneous confidence at these depressed price levels. While Julian's cross-ticker track record shows a 100% win rate on prior buys with an average 90-day return of 70.2%, his same-ticker history at FLNC is limited to 1 prior trade (March 2024) that showed positive 90-day returns. The company's fundamentals show trailing-twelve-month revenue growth of 21.7%, though the latest quarter reports a net loss of $41.5M against revenue of $186.8M, and the stock trades at a P/E of 39.06. The combination of deep price decline, coordinated insider accumulation, and the CEO's direct participation suggests evaluation of valuation and momentum, though the steep quarterly losses and elevated P/E warrant scrutiny of the underlying business trajectory.

2025-02-18
high
1,700 shares
$10,931
@ $6.43
Significance 6

Director Fessenden buys 1,700 FLNC shares at $6.43; 5 other insiders also bought within 14 days—cluster pattern amid -72.6% drawdown from 52-week high.

Elizabeth Anne Fessenden, a Director at Fluence Energy, purchased 1,700 shares at $6.43 on 2025-02-14, increasing her holdings to 23,561 shares (+7.8% vs pre-transaction holdings). This purchase occurs within a cluster—5 other insiders also bought within the past 14 days—which is a noteworthy pattern shift. The stock is currently down 72.6% from its 52-week high of $25.65 and down 51.3% over the past 30 days. The company posted a net loss of -$41.5M in its latest quarter while reporting 21.7% annual revenue growth, which presents a mixed operational picture during a period of significant equity value erosion. The concurrent insider buying activity warrants monitoring to determine whether it reflects a potential inflection point or simply represents activity during an extended downturn.

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