Welcome to our dedicated page for Cipher Mining SEC filings (Ticker: CIFR), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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Cipher Mining Inc. reported Q3 results marked by strong top-line growth and significant balance-sheet changes. Bitcoin mining revenue reached $71.7 million for the three months ended September 30, 2025, up from $24.1 million a year ago. The company posted a modest net loss of $3.3 million versus a $86.8 million loss in the prior-year quarter, with depreciation and amortization of $59.5 million reflecting new assets coming online.
Liquidity increased sharply: cash and cash equivalents were $1,207.4 million as of September 30, 2025. Cipher held 1,493 bitcoin valued at $170.3 million as of quarter-end. Property and equipment, net, rose to $649.9 million, tied to the Black Pearl facility build-out. The company issued $1.3 billion of 0.00% 2031 convertible notes and $172.5 million of 1.75% 2030 convertible notes, bringing long-term borrowings, net, to $1.023 billion. It also purchased capped calls for $82.7 million related to the 2031 notes. Working capital was $849.2 million, supporting ongoing data center development and operations.
Cipher Mining Inc. furnished its third‑quarter update via an 8‑K. The company announced results for the quarter ended September 30, 2025 and provided an investor presentation. Under Item 2.02 and Item 7.01, Exhibits 99.1 (press release) and 99.2 (presentation) were furnished, not filed. The presentation may be used on the earnings call and includes forward‑looking statements subject to cautionary language. Information in these items is not deemed filed under the Exchange Act or incorporated by reference unless expressly stated.
Cipher Mining Inc. (CIFR) adopted an annual frequency for say‑on‑pay votes following its June 3, 2025 Annual Meeting. Stockholders selected “one year” as the most supported option, and the company will hold future advisory votes on executive compensation each year. This 8‑K/A amends the prior report solely to disclose the board’s frequency decision under Item 5.07(d).
Cipher Mining (CIFR): Affiliates of Bitfury and related reporting persons disclosed open market sales of Common Stock on 10/14–10/16/2025. Reported tranches include 1,307,887 shares at a weighted average price of $20.63, 524,429 shares at $21.16, 513,259 shares at $20.42, and 1,490,098 shares at $21.20, among others, executed across price ranges detailed in the footnotes.
Following these transactions, the reporting persons show 61,316,694 shares beneficially owned on an indirect basis, as described in footnotes (8)–(9) regarding Bitfury Holding B.V., Bitfury Top HoldCo B.V., V3 Holding Limited, Bitfury Group Limited, and Valerijs Vavilovs, with disclaimers of beneficial ownership beyond pecuniary interests.
Cipher Mining (CIFR) officer Patrick Arthur Kelly reported an open‑market sale of 26,581 shares of common stock on 10/15/2025 at a $21.08 weighted average price, coded “S”. The transactions were made under a Rule 10b5‑1 trading plan adopted on May 12, 2025.
Following the sale, Kelly beneficially owns 1,213,919 shares directly. The sale was executed in multiple trades within a price range of $19.95 to $21.99.
Cipher Mining (CIFR) filed a Form 3 for its Chief Financial Officer, Gregory Mumford, reflecting his initial statement of beneficial ownership as of 10/14/2025. The filing states that no securities are beneficially owned by the reporting person at this time.
The form was executed by an attorney-in-fact under a Power of Attorney (Exhibit 24) and signed on 10/16/2025. This is a routine ownership disclosure required for company insiders.
Cipher Mining (CIFR) reported an insider equity award: Chief Financial Officer Gregory Mumford received 375,000 restricted stock units (RSUs) on October 14, 2025.
Each RSU represents the right to receive one share of common stock. The RSUs vest in three equal installments on October 14, 2026, October 14, 2027, and October 14, 2028, subject to continued service. The RSUs have no expiration date.
Following the reported transaction, 375,000 derivative securities were beneficially owned on a direct basis.
Cipher Mining (CIFR) CEO and director Tyler Page reported equity transactions on Form 4. On October 10, 2025, he acquired 1,419,237 shares of common stock upon the settlement of performance stock units (transaction code M). He also disposed of 724,521 shares at $16.97 (code F). Following these transactions, he directly beneficially owned 6,523,171 shares.
The reported PSUs vest in three tranches based on market capitalization thresholds. The first tranche vested on October 10, 2025, and the PSUs have no expiration date.
Cipher Mining Inc. has distributed a definitive proxy statement for a Special Meeting of stockholders, set with a Record Date of
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