SCHEDULE 13G/A 0001595888-25-000135 0001595888 XXXXXXXX LIVE 1 Common Stock, par value $0.001 per share 12/31/2025 0001819989 Cipher Mining Inc. 17253J106 1 VANDERBILT AVENUE 1 VANDERBILT AVENUE NEW YORK NY 10017 Rule 13d-1(c) JANE STREET GROUP, LLC DE 0.00 21052810.00 0.00 21052810.00 21052810.00 5.3 HC Jane Street Capital, LLC DE 0.00 98900.00 0.00 98900.00 98900.00 0.0 BD Jane Street Options, LLC DE 0.00 4630513.00 0.00 4630513.00 4630513.00 1.2 BD Jane Street Global Trading, LLC DE 0.00 16323397.00 0.00 16323397.00 16323397.00 4.1 OO Cipher Mining Inc. 1 VANDERBILT AVENUE, 1 VANDERBILT AVENUE, NEW YORK, NEW YORK, 10017. Jane Street Group, LLC; Jane Street Capital, LLC; Jane Street Options, LLC; Jane Street Global Trading, LLC Jane Street Group, LLC 250 Vesey Street 6th Floor New York, NY 10281 Jane Street Capital, LLC 250 Vesey Street 6th Floor New York, NY 10281 Jane Street Options, LLC 250 Vesey Street 6th Floor New York, NY 10281 Jane Street Global Trading, LLC 250 Vesey Street 6th Floor New York, NY 10281 See Item 4 of Cover Page Y 21,052,810.00 5.3 0 21,052,810.00 0 21,052,810.00 Y Y N Subsidiary Jane Street Capital, LLC Jane Street Options, LLC Jane Street Global Trading, LLC Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. JANE STREET GROUP, LLC /s/ Jeremy Kahn 02/12/2026 Jane Street Capital, LLC /s/ Jeremy Kahn 02/12/2026 Jane Street Options, LLC Jeremy Kahn (Authorized Signatory) 02/12/2026 Jane Street Global Trading, LLC /s/ Jeremy Kahn 02/12/2026