ZENTALIS PHARMACEUTICALS INC

Ticker: ZNTL CUSIP: 98943L107 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q2 2025

Shares 9,699 Value ($000) $0 Avg Close $1.32 Range $1.01 - $1.67

Q1 2025

Shares 1,545 Value ($000) $0 Avg Close $2.16 Range $1.58 - $3.33

Q3 2024

Shares 267 Value ($000) $0 Avg Close $3.63 Range $2.83 - $5.44

Q2 2024

Shares 567 Value ($000) $0 Avg Close $11.17 Range $3.93 - $16.27

Q4 2023

Shares 31,078 Value ($000) $0 Avg Close $14.59 Range $9.56 - $21.34

Q3 2023

Shares 2,213 Value ($000) $0 Avg Close $25.38 Range $19.12 - $29.04

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	9,699	$0	$1.32	$1.01 - $1.67
Q1 2025	1,545	$0	$2.16	$1.58 - $3.33
Q3 2024	267	$0	$3.63	$2.83 - $5.44
Q2 2024	567	$0	$11.17	$3.93 - $16.27
Q4 2023	31,078	$0	$14.59	$9.56 - $21.34
Q3 2023	2,213	$0	$25.38	$19.12 - $29.04