ZENAS BIOPHARMA INC

Ticker: ZBIO CUSIP: 98937L105 Class: Common Stock

SIGNATUREFD, LLC's Holding History (CIK: 0001456048)

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

Q4 2025

Shares 389 Value ($000) $14 Avg Close $32.89 Range $18.33 - $44.60

Q3 2025

Shares 332 Value ($000) $7 Avg Close $16.28 Range $8.91 - $22.45

Q2 2025

Shares 295 Value ($000) $3 Avg Close $9.74 Range $6.11 - $12.56

Q1 2025

Shares 128 Value ($000) $1 Avg Close $7.83 Range $5.83 - $10.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	389	$14	$32.89	$18.33 - $44.60
Q3 2025	332	$7	$16.28	$8.91 - $22.45
Q2 2025	295	$3	$9.74	$6.11 - $12.56
Q1 2025	128	$1	$7.83	$5.83 - $10.95