07:59 AM EDT, 09/25/2025 (MT Newswires) -- Cipher Mining ( CIFR ) said Thursday it plans a private offering of $800 million of 0% convertible senior notes due Oct. 1, 2031.

The company expects to grant the initial purchasers an option to buy up to an additional $120 million of the notes.

Cipher said it plans to use the net proceeds to fund certain capped call transactions and to finance part of its data center construction at Barber Lake, among other things.

The company's shares were up 5.8% in recent premarket activity.