ZENAS BIOPHARMA INC

Ticker: ZBIO CUSIP: 98937L105 Class: Common Stock

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

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

Q4 2025

Shares 1,767,518 Value ($000) $64,179 Avg Close $32.89 Range $18.33 - $44.60

Q3 2025

Shares 1,228,641 Value ($000) $27,276 Avg Close $16.28 Range $8.91 - $22.45

Q2 2025

Shares 1,095,609 Value ($000) $10,616 Avg Close $9.74 Range $6.11 - $12.56

Q1 2025

Shares 1,014,110 Value ($000) $8,011 Avg Close $7.83 Range $5.83 - $10.95

Q4 2024

Shares 1,006,558 Value ($000) $8,244 Avg Close $15.60 Range $7.79 - $26.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,767,518	$64,179	$32.89	$18.33 - $44.60
Q3 2025	1,228,641	$27,276	$16.28	$8.91 - $22.45
Q2 2025	1,095,609	$10,616	$9.74	$6.11 - $12.56
Q1 2025	1,014,110	$8,011	$7.83	$5.83 - $10.95
Q4 2024	1,006,558	$8,244	$15.60	$7.79 - $26.25