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BCS

Changes in Beneficial Ownership · 4

Zentalis Pharmaceuticals, Inc.

ZNTLNASDAQEQUITYCurrent

Changes in Beneficial Ownership

Filed Jun 18, 2026Accepted Jun 18, 2026, 4:07 PM EDTFiling CIK 1725160Accession 0001701440-26-000004
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Structured filing — 4

wk-form4_1781813274.xml

Open full document ↗

Filing details

Report period
2026-06-16
Issuer
Zentalis Pharmaceuticals, Inc.
Issuer CIK
0001725160
Trading symbol
ZNTL

Reporting owner 1

Name
Walker Luke Nathaniel
Reporting owner CIK
0001701440
Relationship
Director
Address
C/O ZENTALIS PHARMACEUTICALS, INC., 10275 SCIENCE CENTER DRIVE, SUITE 200, SAN DIEGO, CA, 92121

Non-derivative transactions

Non-derivative transactions · 1 reported row
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnership
Common Stock2026-06-16A · Form 457,100[F1]A0201,384D
Table key
A · Form 4
Acquisition by grant, award or otherwise under Rule 16b-3(d)
A
Acquired
D
Direct

Footnotes

F1
Represents restricted stock units granted pursuant to the Issuer's Non-Employee Director Compensation Program, each of which represents a contingent right to receive one share of common stock, and which will vest on the first to occur of (a) June 16, 2027 or (b) the next occurring annual meeting of the Issuer's stockholders, subject to the Reporting Person's continued service on the Issuer's Board of Directors through such vesting date.↩ 1

Remarks

Exhibit 24 - Power of Attorney

Signature 1

Signed
James B. Bucher, attorney-in-fact for Luke Walker
Date
2026-06-18

Filed exhibits

Company context

Zentalis® Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company developing azenosertib (ZN-c3), a potentially first-in-class and best-in-class WEE1 inhibitor for patients with Cyclin E1-positive platinum-resistant ovarian cancer (PROC). Azenosertib is being evaluated as a monotherapy and in combination across multiple tumor types in clinical trials and has broad franchise potential. In clinical trials, azenosertib has been well tolerated and has demonstrated anti-tumor activity as a single agent across multiple tumor types. The Company is also leveraging its extensive experience and capabilities to translate its science to advance research on additional areas of opportunity for azenosertib outside PROC. Zentalis has operations in San Diego.

Current securities

Recent company filings

  1. 4 filingAug 19, 2026
  2. Other EventsAug 14, 2026
  3. 424B5 filingAug 14, 2026
  4. 424B5 filingAug 13, 2026
  5. 10-Q filingAug 6, 2026

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