CIPHER MINING INC

Ticker: CIFR CUSIP: 17253J106 Class: Common Stock

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q3 2025

Shares 135,512 Value ($000) $1,706 Avg Close $7.54 Range $4.55 - $15.54

Q2 2025

Shares 35,519 Value ($000) $170 Avg Close $3.23 Range $1.86 - $4.86

Q1 2025

Shares 1,546 Value ($000) $4 Avg Close $4.55 Range $2.18 - $6.45

Q4 2024

Shares 970 Value ($000) $5 Avg Close $5.68 Range $3.48 - $7.77

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	135,512	$1,706	$7.54	$4.55 - $15.54
Q2 2025	35,519	$170	$3.23	$1.86 - $4.86
Q1 2025	1,546	$4	$4.55	$2.18 - $6.45
Q4 2024	970	$5	$5.68	$3.48 - $7.77