ZENAS BIOPHARMA INC

Ticker: ZBIO CUSIP: 98937L105 Class: Common Stock

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 213,193 Value ($000) $7,741 Avg Close $32.89 Range $18.33 - $44.60

Q3 2025

Shares 178,396 Value ($000) $3,960 Avg Close $16.28 Range $8.91 - $22.45

Q2 2025

Shares 122,210 Value ($000) $1,184 Avg Close $9.74 Range $6.11 - $12.56

Q1 2025

Shares 116,140 Value ($000) $918 Avg Close $7.83 Range $5.83 - $10.95

Q4 2024

Shares 118,660 Value ($000) $972 Avg Close $15.60 Range $7.79 - $26.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	213,193	$7,741	$32.89	$18.33 - $44.60
Q3 2025	178,396	$3,960	$16.28	$8.91 - $22.45
Q2 2025	122,210	$1,184	$9.74	$6.11 - $12.56
Q1 2025	116,140	$918	$7.83	$5.83 - $10.95
Q4 2024	118,660	$972	$15.60	$7.79 - $26.25