Welcome to our dedicated page for Cipher Digital 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.
The Cipher Mining Inc. (CIFR) SEC filings page on Stock Titan provides structured access to the company’s regulatory documents, including current reports, proxy materials and debt-related agreements. Cipher is a Nasdaq-listed company that develops and operates industrial-scale data centers for bitcoin mining and high-performance computing (HPC) hosting, and its filings offer detailed insight into how these activities are financed and governed.
Investors can review Form 8-K current reports that describe material definitive agreements, such as the indenture and supplemental indenture governing 7.125% senior secured notes due 2030 issued by Cipher Compute LLC, a wholly owned indirect subsidiary. These filings outline maturity, interest payments, amortization schedules, redemption terms, covenants and completion guarantees tied to the Barber Lake high-performance computing data center near Colorado City, Texas.
The filings set also includes 8-Ks covering recognition agreements and data center leases with Fluidstack USA II Inc. and Google LLC, as well as amended and restated warrant agreements under which Google holds warrants to purchase Cipher common stock. Other current reports address warrant redemptions, executive appointments and retirements, earnings releases, and illustrative financial information for major projects.
Cipher’s DEF 14A proxy statement describes governance matters such as the proposed amendment to increase authorized common stock, the conduct of a virtual special meeting and voting procedures. Through Stock Titan, users can access these filings as they are posted to EDGAR and use AI-powered summaries to quickly interpret key terms in 10-Ks, 10-Qs, 8-Ks, proxy statements and related exhibits, as well as track capital structure changes, debt obligations and material contracts relevant to CIFR.
Cipher Mining Inc. insiders disclosed multiple sales of common stock in late September 2025, reducing aggregate indirect beneficial ownership. Reports show sales on 09/26/2025, 09/29/2025 and 09/30/2025 totaling 5,585,182 shares disposed across five transactions at weighted average prices between $11.5259 and $12.3871. After these reported sales, the largest disclosed indirect holdings declined from 70,038,451 shares to 65,852,537 shares for the reporting group. The filing identifies V3 Holding Ltd, Bitfury Top HoldCo B.V., Bitfury Holding B.V., Bitfury Group Ltd and Valerijs Vavilovs as reporting persons and explains the ownership chain linking these entities.
Cipher Mining Inc. disclosed that it has priced
Bitfury-related entities and individuals filed Amendment No. 16 to a Schedule 13D for Cipher Mining Inc. (CIFR) reporting beneficial ownership based on 393,282,654 shares outstanding as of August 6, 2025. The filing states share holdings for multiple reporting persons: V3 Holding Ltd and Valerijs Vavilovs beneficially own 71,437,719 shares (18.2%), Bitfury Top HoldCo B.V. and Bitfury Group Ltd report 36,028,564 shares (9.2%), and Bitfury Holding B.V. holds 4,821,560 shares (1.2%).
The amendment also discloses recent open-market sales by Bitfury Top HoldCo on September 18–25, 2025, including blocks sold each day (multiple 900,000-share transactions and a 3,504,540-share sale) with volume-weighted average prices ranging roughly from $11.79 to $14.41 per share. The filing includes a joint filing agreement as an exhibit and updates the ownership relationships among the reporting persons.
Cipher Mining Inc. (CIFR) insiders disclosed multiple open-market sales of common stock on September 23-25, 2025. The reporting group, including V3 Holding Ltd, Bitfury Top HoldCo B.V., Bitfury Holding B.V., Bitfury Group Ltd and Valerijs Vavilovs, reported disposals across several transactions at weighted average prices ranging from $11.8674 to $15.1149 per share. After the reported sales, the aggregate beneficial ownership reported for the related parties decreased from 75,843,159 shares to 71,437,719 shares. The filing states that one entity directly holds 35,409,155 shares and Bitfury Top HoldCo is the record holder of 31,207,004 shares, while Bitfury Holding B.V. holds 4,821,560 shares, and explains their ownership relationships and disclaimers. The reporting parties offer to provide detailed per-transaction price breakdowns on request.
Cipher Mining Inc. is soliciting stockholder approval to amend its certificate of incorporation to increase its authorized common stock to restore capacity to issue shares. At the close of business on the Record Date of September 12, 2025, there were 393,286,007 shares issued and outstanding, each with one vote. The Board unanimously recommends a vote FOR the Charter Amendment.
Recent transactions cited include issuance of warrants to Google LLC tied to a ten-year data center lease and issuance of convertible senior notes that must be settled in cash until the Company increases its authorized common shares. Management says these transactions have materially reduced the Company’s remaining capacity to issue common stock, and the Charter Amendment is intended to restore flexibility to support partnerships, site expansions, financings and equity incentives.
Cipher Mining Inc. reported that it intends to offer $800 million aggregate principal amount of convertible senior notes due 2031 in a private placement. The potential buyers are persons reasonably believed to be qualified institutional buyers under Rule 144A of the Securities Act. The company also plans to grant the initial purchasers a 13-day option to buy up to an additional $120 million aggregate principal amount of these notes. The company emphasized that this disclosure is not an offer to sell or a solicitation to buy any securities.
Cipher Mining Inc. filed an 8-K reporting agreements and related materials with counterparties including Google LLC. The filing discloses a Warrant Agreement dated September 24, 2025 under which warrants are exercisable for one share of common stock at an exercise price of $11.50 per share. It also lists a Recognition Agreement dated September 24, 2025, a company press release and an investor presentation both dated September 25, 2025, and an embedded cover page interactive data file. The filing is signed by Will Iwaschuk, Co‑President & Chief Legal Officer.
Cipher Mining insider disposals totaled 2,700,000 shares across multiple transactions on September 18–22, 2025, by reporting entities tied to majority owner Valerijs Vavilovs. The Form 4 shows six non-derivative sale events: 900,000 shares at a weighted average $11.7859, 849,199 at $12.3497, 50,801 at $12.7502, 697,769 at $12.5879, 192,269 at $13.7075 and 9,962 at $14.1491. After these reported sales, the group’s combined beneficial ownership is reported as 76,742,259 shares, held indirectly through entities including V3 Holding Ltd, Bitfury Top HoldCo B.V., Bitfury Holding B.V., Bitfury Group Ltd and Vavilovs personally. Footnotes describe ownership relationships and provide price ranges for the multiple trades.
Cipher Mining Inc. Schedule 13D Amendment No. 15 updates beneficial ownership and recent open-market sales by related reporting persons. As of September 17, 2025, the filing reports ownership figures based on 393,282,654 shares outstanding: V3 Holding Ltd and related person Vavilovs Valerijs are shown with 79,442,259 shares (20.2%), Bitfury Top HoldCo B.V. and related entities are shown with up to 44,033,104 shares (11.2%), and Bitfury Holding B.V. holds 4,821,560 shares (1.2%). The amendment discloses recent open-market sales totaling 6,600,000 shares between September 8 and September 17, 2025, by Bitfury Top HoldCo and V3 at volume-weighted average prices ranging from $7.4788 to $11.7694 per share. The filing also attaches a joint filing agreement as an exhibit.
Cipher Mining insiders associated with Bitfury and Valerijs Vavilovs reported multiple open-market sales totaling 2,700,000 shares of Cipher Mining common stock across several transactions. The reported weighted-average sale prices ranged roughly from $10.80 to $12.37, and the filings show the reporting persons retain beneficial ownership of approximately 79.44 million to 81.24 million shares following each reported transaction, reflecting retained large positions held indirectly through a linked ownership structure.
The disclosures identify the reporting parties as V3 Holding Ltd, Bitfury Top HoldCo B.V., Bitfury Holding B.V., Bitfury Group Ltd and Valerijs Vavilovs and explain the ownership chain that links these entities and individuals, with statements disclaiming beneficial ownership except to the extent of pecuniary interest.