MBX BIOSCIENCES INC

Ticker: MBX CUSIP: 55287L101 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 2,919,756 Value ($000) $92,089 Avg Close $24.26 Range $12.94 - $35.55

Q3 2025

Shares 1,957,461 Value ($000) $34,256 Avg Close $13.37 Range $9.63 - $26.47

Q2 2025

Shares 1,011,546 Value ($000) $11,542 Avg Close $10.19 Range $4.81 - $14.34

Q1 2025

Shares 783,042 Value ($000) $5,779 Avg Close $10.57 Range $7.16 - $19.39

Q4 2024

Shares 727,952 Value ($000) $13,416 Avg Close $21.31 Range $15.31 - $27.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,919,756	$92,089	$24.26	$12.94 - $35.55
Q3 2025	1,957,461	$34,256	$13.37	$9.63 - $26.47
Q2 2025	1,011,546	$11,542	$10.19	$4.81 - $14.34
Q1 2025	783,042	$5,779	$10.57	$7.16 - $19.39
Q4 2024	727,952	$13,416	$21.31	$15.31 - $27.50