MBX BIOSCIENCES INC

Ticker: MBX CUSIP: 55287L101 Class: Common Stock

BRIDGEWAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001107261)

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

Q4 2025

Shares 10,000 Value ($000) $315 Avg Close $24.26 Range $12.94 - $35.55

Q3 2025

Shares 14,200 Value ($000) $249 Avg Close $13.37 Range $9.63 - $26.47

Q2 2025

Shares 29,200 Value ($000) $333 Avg Close $10.19 Range $4.81 - $14.34

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,000	$315	$24.26	$12.94 - $35.55
Q3 2025	14,200	$249	$13.37	$9.63 - $26.47
Q2 2025	29,200	$333	$10.19	$4.81 - $14.34