Form 4: Cipher Mining Director Sells Over 21,000 Shares

Cipher Mining Inc. Director James E. Newsome reported the sale of 21,821 shares of common stock at $16.03 per share.

Summary

• Director James E. Newsome of Cipher Mining Inc. (CIFR) reported a transaction involving the disposition of common stock.
• The transaction occurred on December 19, 2025, and involved the sale of 21,821 shares.
• Each share was sold at a price of $16.03.
• Following this sale, Newsome directly beneficially owns 172,492 shares of Cipher Mining Inc. common stock.
• The filing indicates the transaction was made pursuant to a contract, instruction, or written plan for the purchase or sale of equity securities, intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Sentiment

Score: 5

Explanation: A Form 4 filing reports an insider transaction. While a director selling shares can sometimes be viewed negatively, this filing provides no additional context to determine a strong positive or negative sentiment beyond the transaction itself. It could be part of a pre-scheduled trading plan, as indicated by the Rule 10b5-1 checkbox.

Negatives

• A director selling shares can sometimes be perceived negatively by the market, potentially signaling a lack of confidence, although this transaction is noted as being pursuant to a Rule 10b5-1 plan.

Future Outlook

NA

Industry Context

NA

Stakeholder Impact

• Shareholders: May interpret the director's sale as a signal, potentially influencing short-term sentiment, although the Rule 10b5-1 plan suggests a pre-arranged, non-discretionary sale.

Key Dates

Recommendation

The filing reports a director's sale of shares, which is noted as being pursuant to a Rule 10b5-1 plan. While insider sales can sometimes be a negative signal, this transaction alone, without further context regarding the director's overall holdings, the company's performance, or the specific reasons for the sale (e.g., diversification, personal liquidity needs), does not provide sufficient information to warrant a change in a fundamental investment thesis. Investors should monitor future insider activity and broader company developments.

Keywords

Cipher Mining, CIFR, Form 4, Insider Trading, Stock Sale, Director Transaction, James E. Newsome, Common Stock, Rule 10b5-1