Kelly Patrick Arthur, an insider at Cipher Mining Inc (CIFR), executed a sale of 1,151,770 shares at a price of $15.08 per share, totaling approximately $17.37 million on December 14, 2025. Following this transaction, Arthur retains 1,151,770 shares of the company.
Cipher Mining, headquartered in New York City, operates as a Bitcoin mining ecosystem in the United States, focusing on the development and operation of industrial-scale data centers for Bitcoin mining and high-performance computing (HPC) hosting. The company manages about 327 megawatts of facilities across four data centers in Texas and has a pipeline of 2.8 gigawatts across seven additional sites. Its operational capacity includes a hash rate of 15.7 exahash per second (EH/s).
Insider transactions are reported to the SEC, providing transparency into executive stock activity. However, such sales may not necessarily reflect negative sentiment about the company. Investors are encouraged to consider broader patterns of insider activity rather than isolated transactions.
Cipher Mining has a market capitalization of $7.7 billion and is expected to report earnings on May 4, 2026, with an estimated EPS of -0.14 and revenue of $82.6 million. The upcoming earnings report on August 5, 2026, projects an EPS of -0.20 and revenue of $75.6 million.