Form 4 for ZNTL Zentalis Pharmaceuticals, Inc.

Accepted 2026-01-08 00:00:00 ET · period of report 2025-12-31 · accession 0001213900-26-002567 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
	2026-01-08	2025-12-31	ZNTL	WALTERS WILLIAM THURMAN	10%	P - Purchase	$1.20	+6.46M	13.51M	+92%	+$7.75M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2025-12-31	P	A	6,459,973	$1.20	13,509,973	D	—	—	(F1) The shares of common stock reported herein (the "Shares") are held directly by The Walters Group (the "TWG"). William T. Walters may be deemed to share voting and dispositive power with respect to the Shares. Susan B. Walters is the general partner and majority member of TWG and may be deemed to share voting and dispositive power with respect to the Shares. Each Reporting Person disclaims Section 16 beneficial ownership of the Shares reported herein except to the extent of its pecuniary interest therein, if any, and the inclusion of these Shares in this report shall not be deemed an admission of beneficial ownership of any of the reported Shares for purposes of Section 16 or any other purpose.