Why ESS Tech Stock Lost Power Today

Shares of ESS Tech (NYSE: GWH) tumbled by more than 10% in trading Thursday. Weighing on the energy storage company was news that some large investors might sell a portion of their shares.

ESS Tech filed a prospectus for the sale of nearly 126 million shares of its common stock. The company isn't directly selling these shares. Instead, certain large shareholders might sell shares from time to time. The prospectus noted that slightly more than 100 million of those shares are subject to lock-up restrictions for a 180-day period that began Oct. 8.

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Source Fool.com