Exercised option for 100,000 Bitmain S21 Pro miners
Company: CleanSpark
The claim, verbatim
CleanSpark exercised its option to purchase 100,000 Bitmain S21 Pro miners (23.4 EH/s), via an amendment to an existing Bitmain agreement that upgraded the order from the S21 to the S21 Pro.
Source (primary)
cleanspark 8-K exhibit (clsk-ex99_1.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-11-08)Live source ↗
Quote: “has exercised its option to purchase 100,000 Bitmain S21 Pros, or 23.4 EH/s of machines. The machine purchase is an amendment to an existing agreement with Bitmain”
How we checked this
Checked on November 9, 2026. The cited source supports every part of this claim.
The release states the option exercise, the machine count and hashrate, and that the amendment switched the model from S21 to S21 Pro.
Confirmed in the source:
- CleanSpark exercised its option to purchase 100,000 Bitmain S21 Pro miners
- The 100,000 S21 Pros represent 23.4 EH/s
- The purchase is an amendment to an existing agreement with Bitmain
- The amendment allowed purchase of the S21 Pro instead of the S21
What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/827876/000095017024043878/clsk-ex99_1.htm) in full (5,439 characters, retrieved November 8, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms cleanspark 8-K exhibit (clsk-ex99_1.htm)
Quote: “has exercised its option to purchase 100,000 Bitmain S21 Pros, or 23.4 EH/s of machines. The machine purchase is an amendment to an existing agreement with Bitmain”