ZENAS BIOPHARMA INC

Ticker: ZBIO CUSIP: 98937L105 Class: Common Stock

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q4 2025

Shares 1,453,065 Value ($000) $52,761 Avg Close $32.89 Range $18.33 - $44.60

Q3 2025

Shares 1,162,758 Value ($000) $25,813 Avg Close $16.28 Range $8.91 - $22.45

Q2 2025

Shares 992,212 Value ($000) $9,615 Avg Close $9.74 Range $6.11 - $12.56

Q1 2025

Shares 975,906 Value ($000) $7,710 Avg Close $7.83 Range $5.83 - $10.95

Q4 2024

Shares 979,323 Value ($000) $8,021 Avg Close $15.60 Range $7.79 - $26.25

Q3 2024

Shares 150,000 Value ($000) $2,538 Avg Close $17.98 Range $16.35 - $20.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,453,065	$52,761	$32.89	$18.33 - $44.60
Q3 2025	1,162,758	$25,813	$16.28	$8.91 - $22.45
Q2 2025	992,212	$9,615	$9.74	$6.11 - $12.56
Q1 2025	975,906	$7,710	$7.83	$5.83 - $10.95
Q4 2024	979,323	$8,021	$15.60	$7.79 - $26.25
Q3 2024	150,000	$2,538	$17.98	$16.35 - $20.50