Fluence Energy, Inc. (FLNC) saw its shares plummet 10.07% during Tuesday's intraday trading session. The sharp decline followed the company's announcement of a secondary offering by existing controlling stockholders and a regulatory filing for a mixed shelf offering.

The energy storage solutions provider announced an underwritten public offering of 20 million shares of its Class A common stock by certain controlling stockholders, with underwriters having a 30-day option to purchase an additional 3 million shares. The company separately filed for a mixed shelf offering, though the size was not disclosed. Such offerings typically raise concerns about shareholder dilution and often trigger negative market reactions.

The stock's decline also represents a pullback following an explosive rally of approximately 98% over the prior week, driven by quarterly earnings results and major data center storage contract announcements. Barclays, Goldman Sachs, and J.P. Morgan are acting as joint book-running managers for the secondary offering, from which Fluence will not receive any proceeds.