Company: CIFRW
Filing Date: 2025-05-22
Form Type: 424B5
Source: 0001193125-25-124285
Chunk: 0

Company: Cipher Mining Inc.
Filing Date: 2025-05-22
Form: 424B5
Chunk 0
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Filed Pursuant to Rule 424(b)(5)
Registration No. 333-281908 PROSPECTUS SUPPLEMENT (To Prospectus dated September 3, 2024) $150,000,000 1.75% Convertible Senior Notes due 2030 We are offering $150,000,000 aggregate principal amount of our 1.75% convertible senior notes due 2030 (the “notes”). In addition, we have granted the underwriters an option, which is exercisable within 30 days after the date of this prospectus supplement, to purchase up to an additional $22,500,000 aggregate principal amount of notes solely to cover overallotments. MATURITY; INTEREST We will pay interest on the notes at an annual rate of 1.75%, payable semi-annually in arrears on May 15 and November 15 of each year, beginning on November 15, 2025. The notes will mature on May 15, 2030, unless earlier converted or redeemed or repurchased by us. CONVERSION Noteholders may convert their notes at their option only in the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on June 30, 2025, if the last reported sale price per share of our common stock exceeds 130% of the conversion price for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter; (2) during the five consecutive business days immediately after any 10 consecutive trading day period (such 10 consecutive trading day period, the “measurement period”) in which the trading price per $1,000 principal amount of notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price per share of our common stock on such trading day and the conversion rate on such trading day; (3) upon the occurrence of certain corporate events or distributions on our common stock, as described in this prospectus supplement; (4) if we call such notes for redemption; and (5) at any time from, and including, February 15, 2030 until the close of business on the second scheduled trading day immediately before the maturity date. We will settle conversions by paying or delivering, as applicable, cash, shares of our common stock or a combination of cash and shares of our common stock, at our election, based on the applicable conversion rate