Kelly Patrick Arthur, an insider at Cipher Mining Inc (CIFR), sold 1,398,569 shares of the company's stock on December 14, 2025, at a price of $14.74 per share, totaling $20.61 million. Following this transaction, Arthur retains an equal number of shares in the company.
Cipher Mining operates as a Bitcoin mining ecosystem in the United States, focusing on the development and operation of industrial-scale data centers. The company, headquartered in New York City, employs 43 full-time staff and has a market capitalization of $7.7 billion. Its operational data center is the Odessa facility, a wholly owned 207 MW site in Texas, with an aggregate hash rate capacity of 15.7 exahash per second (EH/s).
Insider selling can arise from various motivations, such as diversification or personal financial needs. While significant sales may draw investor attention, they do not inherently signal negative sentiment towards the company.
This update provides insight into insider activity, which must be reported to the SEC. Such transactions are one of many factors investors consider when evaluating a company. Analyzing patterns of insider activity across multiple executives can offer a broader perspective.
Upcoming earnings for Cipher Mining are scheduled for May 4, 2026, with an estimated EPS of -$0.14 and revenue of $82.6 million.