Form 4: Cipher Mining Director Sells 25,000 Shares

Cipher Mining Inc. Director Cary M. Grossman sold 25,000 shares of common stock at $19 per share in a pre-planned transaction.

Summary

• Cary M. Grossman, a Director of Cipher Mining Inc. (CIFR), reported a sale of common stock.
• The transaction involved the disposition of 25,000 shares of common stock.
• The shares were sold at a price of $19 per share.
• The sale occurred on November 26, 2025.
• Following this transaction, Grossman beneficially owns 200,530 shares of Cipher Mining Inc. common stock.
• The transaction was made pursuant to a Rule 10b5-1(c) plan, indicating it was pre-scheduled.

Sentiment

Score: 5

Explanation: A director's sale of shares is generally neutral to slightly negative, but the presence of a 10b5-1 plan mitigates immediate negative interpretation, suggesting a pre-planned financial event rather than a reaction to new company information.

Positives

• The transaction was executed under a Rule 10b5-1(c) plan, suggesting a pre-scheduled sale rather than an immediate reaction to new, undisclosed information.

Negatives

• A director selling shares can sometimes be perceived negatively by the market, as it reduces their direct stake in the company.

Industry Context

Insider transactions, particularly sales by directors, are closely watched in the market as they can sometimes signal management's perception of the company's future prospects. However, sales made under a Rule 10b5-1 plan are typically pre-arranged and less indicative of immediate sentiment, often related to personal financial planning.

Stakeholder Impact

• Shareholders: May interpret the sale as a signal, though the 10b5-1 plan suggests it is not based on new, undisclosed information, potentially reducing negative sentiment.

Key Dates

Recommendation

The sale by Director Cary M. Grossman of 25,000 shares, while notable, was conducted under a Rule 10b5-1 plan. This indicates a pre-scheduled transaction, which typically lessens the immediate negative implications often associated with insider selling. Without additional context on the company's performance or other market factors, this single transaction does not warrant a change from a 'hold' position. Investors should monitor future insider activity and company fundamentals for more definitive signals.

Keywords

Cipher Mining, CIFR, Insider Trading, Form 4, Stock Sale, Director Transaction, Cary M. Grossman, Equity, Beneficial Ownership, Rule 10b5-1