MBX BIOSCIENCES INC

Ticker: MBX CUSIP: 55287L101 Class: Common Stock

Nuveen, LLC's Holding History (CIK: 0001871926)

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

Q4 2025

Shares 75,565 Value ($000) $2,383 Avg Close $24.26 Range $12.94 - $35.55

Q3 2025

Shares 22,143 Value ($000) $388 Avg Close $13.37 Range $9.63 - $26.47

Q2 2025

Shares 22,143 Value ($000) $253 Avg Close $10.19 Range $4.81 - $14.34

Q1 2025

Shares 14,471 Value ($000) $107 Avg Close $10.57 Range $7.16 - $19.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	75,565	$2,383	$24.26	$12.94 - $35.55
Q3 2025	22,143	$388	$13.37	$9.63 - $26.47
Q2 2025	22,143	$253	$10.19	$4.81 - $14.34
Q1 2025	14,471	$107	$10.57	$7.16 - $19.39