Fluence Energy, Inc. (NASDAQ:FLNC – Get Free Report) Director Herman E. Bulls bought 10,000 shares of Fluence Energy stock in a transaction on Monday, December 23rd. The shares were acquired at an average cost of $15.57 per share, with a total value of $155,700.00. Following the completion of the acquisition, the director now owns 75,861 shares of the company’s stock, valued at $1,181,155.77. The trade was a 15.18 % increase in their position. The purchase was disclosed in a document filed with the SEC, which is available at this hyperlink.

Serve Robotics Inc. (NASDAQ:SERV – Get Free Report) saw some unusual options trading activity on Thursday. Stock traders bought 15,550 call options on the stock. This represents an increase of approximately 71% compared to the average volume of 9,103 call options.

Enovix Co. (NASDAQ:ENVX – Get Free Report)’s stock price rose 5.7% during trading on Thursday . The company traded as high as $10.65 and last traded at $10.65. Approximately 1,898,600 shares changed hands during trading, a decline of 66% from the average daily volume of 5,606,391 shares. The stock had previously closed at $10.08.

Gevo, Inc. (NASDAQ:GEVO – Get Free Report) was the target of some unusual options trading activity on Thursday. Traders purchased 12,387 call options on the stock. This is an increase of approximately 240% compared to the typical volume of 3,647 call options.