CIPHER MINING INC

Ticker: CIFR CUSIP: 17253J106 Class: Common Stock

CHESAPEAKE ASSET MANAGEMENT LLC's Holding History (CIK: 0001079397)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 18,557 Value ($000) $274 Avg Close $17.65 Range $12.41 - $25.52

Q3 2025

Shares 14,000 Value ($000) $176 Avg Close $7.54 Range $4.55 - $15.54

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	18,557	$274	$17.65	$12.41 - $25.52
Q3 2025	14,000	$176	$7.54	$4.55 - $15.54