UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 12, 2024

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ZENTALIS PHARMACEUTICALS, INC.

(Exact name of registrant as specified in its charter)   

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Delaware	001-39263	82-3607803
(State or other jurisdiction of incorporation or organization)	(Commission File Number)	(I.R.S. Employer Identification No.)

10275 Science Center Drive, Suite 200

San Diego, California 92121

(Address of principal executive offices) (Zip Code)

(858) 263-4333

(Registrant’s telephone number, include area code)

1359 Broadway, Suite 801

New York, New York 10018

(Former name or former address, if changed since last report)  

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) 

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) 

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) 

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.001 par value per share	ZNTL	The Nasdaq Global Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

On February 12, 2024, the Board of Directors (the “Board”) of Zentalis Pharmaceuticals, Inc., a Delaware corporation (the “Company”) approved and adopted amendments to the Company’s Bylaws (as amended, the “Amended and Restated Bylaws”), which became effective the same day. Among other things, the amendments contained in the Amended and Restated Bylaws:

•Address the universal proxy rules adopted by the U.S. Securities and Exchange Commission, by clarifying that no person may solicit proxies in support of a director nominee other than the Board’s nominees unless such person has complied with Rule 14a-19 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), including applicable notice and solicitation requirements.

•Streamline procedural mechanics and enhance disclosure requirements in connection with stockholder nominations of directors and submissions of proposals regarding other business at stockholder meetings (other than proposals to be included in the Company’s proxy materials pursuant to Rule 14a-8 under the Exchange Act).

•Prohibit the submission by a proposing stockholder of more director nominees than the number of directors up for election.

The Amended and Restated Bylaws also incorporate certain technical, modernizing, clarifying and conforming changes.

The foregoing description of the Amended and Restated Bylaws does not purport to be complete and is qualified in its entirety by reference to the full text of the Amended and Restated Bylaws, a copy of which is attached hereto as Exhibit 3.1 and is incorporated by reference herein.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.	Description
3.1	Amended and Restated Bylaws of Zentalis Pharmaceuticals, Inc.
104	Cover Page Interactive Data File (embedded within the inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	ZENTALIS PHARMACEUTICALS, INC.
Date: February 15, 2024	By:	/s/ Melissa Epperly
		Melissa Epperly
		Chief Financial Officer