QUANTUMSPHERE ACQUISITION CO

Ticker: QUMS CUSIP: G7387B106 Class: COMMON

Clear Street Group Inc.'s Holding History (CIK: 0001881567)

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

Q4 2025

Shares 424,762 Value ($000) $4,252 Avg Close $9.98 Range $9.92 - $10.23

Q3 2025

Shares 1,399 Value ($000) $14 Avg Close $9.96 Range $9.95 - $9.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	424,762	$4,252	$9.98	$9.92 - $10.23
Q3 2025	1,399	$14	$9.96	$9.95 - $9.99