ZENAS BIOPHARMA INC

Ticker: ZBIO CUSIP: 98937L105 Class: Common Stock

ArrowMark Colorado Holdings LLC's Holding History (CIK: 0001483859)

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

Q4 2025

Shares 751,161 Value ($000) $27,275 Avg Close $32.89 Range $18.33 - $44.60

Q3 2025

Shares 824,668 Value ($000) $18,308 Avg Close $16.28 Range $8.91 - $22.45

Q2 2025

Shares 1,094,338 Value ($000) $10,604 Avg Close $9.74 Range $6.11 - $12.56

Q1 2025

Shares 1,097,369 Value ($000) $8,669 Avg Close $7.83 Range $5.83 - $10.95

Q4 2024

Shares 627,669 Value ($000) $5,141 Avg Close $15.60 Range $7.79 - $26.25

Q3 2024

Shares 300,000 Value ($000) $5,076 Avg Close $17.98 Range $16.35 - $20.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	751,161	$27,275	$32.89	$18.33 - $44.60
Q3 2025	824,668	$18,308	$16.28	$8.91 - $22.45
Q2 2025	1,094,338	$10,604	$9.74	$6.11 - $12.56
Q1 2025	1,097,369	$8,669	$7.83	$5.83 - $10.95
Q4 2024	627,669	$5,141	$15.60	$7.79 - $26.25
Q3 2024	300,000	$5,076	$17.98	$16.35 - $20.50