NEW: CleanSpark mines 529 bitcoin in September and still finishes the month lighter.
Holdings fell 173 BTC to 13,530 after it sold 702 BTC, two at spot and 700 through calls, at an average $72,928.
It is switching to quarterly updates and secured $2.276 billion to finish its Sandersville data center, backed by a Meta lease expected to generate $6.6 billion.