Form 4 Filing for Tyler Page - Cipher Mining Inc.

On December 19, 2025, Tyler Page, Chief Executive Officer and Director of Cipher Mining Inc. (CIFR), reported several transactions. Page acquired 3,057,066 Performance Stock Units (PSUs), with these PSUs representing a contingent right to receive one share of Common Stock each. Of these, 1,019,022 PSUs vested on the same day, with the remainder vesting quarterly starting March 31, 2026, subject to continued service. The acquisition of PSUs was valued at $0. Page also acquired 1,019,022 shares of Common Stock with no cost and disposed of 520,211 shares of Common Stock at a price of $16.21 per share. Following these transactions, Page's direct ownership of Common Stock stands at 8,301,362 shares and 2,038,044 PSUs.