17 insiders reported 54 Form 4 transactions for Fluence Energy, Inc. (FLNC) over the past 18 months (most recent 2026-09-22). Recent activity: BULLS HERMAN E (Director) Buy 10,000 shares, von Heynitz Harald (Director) Buy 7,000 shares, Williams Peter Bennett (SVP and CPSCO) Buy 8,588 shares, Williams Peter Bennett (SVP and CPSCO) Sell 3,905 shares, SPT Holding Sarl (10% Owner) Sell 20.5M shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-22 | BULLS HERMAN E | Director | Buy | 10,000 | $73,600 |
| 2026-09-22 | von Heynitz Harald | Director | Buy | 7,000 | $51,520 |
| 2026-07-21 | Williams Peter Bennett | SVP and CPSCO | Buy | 8,588 | $0 |
| 2026-07-21 | Williams Peter Bennett | SVP and CPSCO | Sell | 3,905 | $54,943 |
| 2026-07-08 | SPT Holding Sarl | 10% Owner | Sell | 20.5M | $0 |
| 2026-06-26 | Zahurancik John | SVP & CCSO | Sell | 16,000 | $402,880 |
| 2026-06-26 | Zahurancik John | SVP & CCSO | Sell | 15,974 | $351,907 |
| 2026-06-24 | Zahurancik John | SVP & CCSO | Sell | 16,000 | $402,880 |
| 2026-06-24 | Zahurancik John | SVP & CCSO | Sell | 15,974 | $351,907 |
| 2026-06-16 | von Heynitz Harald | Director | Sell | 5,000 | $125,000 |
| 2026-06-04 | Fessenden Elizabeth Anne | Director | Sell | 1,000 | $0 |
| 2026-05-19 | AES CORP | 10% Owner | Buy | 10.1M | $0 |
| 2026-05-19 | AES Grid Stability, LLC | 10% Owner | Buy | 10.1M | $0 |
| 2026-05-19 | AES Grid Stability, LLC | 10% Owner | Sell | 10.1M | $211.4M |
| 2026-05-19 | AES CORP | 10% Owner | Sell | 10.1M | $211.4M |
| 2026-05-18 | Qatar Investment Authority | 10% Owner | Sell | 2.9M | $60.2M |
| 2026-05-15 | SIEMENS PENSION TRUST E V | 10% Owner | Sell | 10.1M | $206.7M |
| 2026-05-15 | SPT Holding Sarl | 10% Owner | Sell | 10.1M | $206.7M |
| 2026-05-15 | SIEMENS AG | 10% Owner | Sell | 10.1M | $206.7M |
| 2026-03-19 | von Heynitz Harald | Director | Buy | 32,348 | $0 |
| 2026-03-19 | von Heynitz Harald | Director | Sell | 10,000 | $165,000 |
| 2026-03-19 | Fessenden Elizabeth Anne | Director | Buy | 32,348 | $0 |
| 2026-03-19 | BULLS HERMAN E | Director | Buy | 32,348 | $0 |
| 2026-03-19 | Arnold Cynthia A | Director | Buy | 32,348 | $0 |
| 2026-01-05 | Pasha Ahmed | SVP & Chief Financial Officer | Buy | 10,902 | $0 |
Source: SEC Form 4 filings · as of 2026-09-22