Insider filing report for Changes in Beneficial Ownership
- Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
- Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
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- Peter Lynch
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 3)*
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Zentalis Pharmaceuticals, Inc. (Name of Issuer) |
Common Stock, par value $0.001 per share (Title of Class of Securities) |
98943L107 (CUSIP Number) |
Gregory A. Brown Matrix Capital Management Company LP, 3 Pleasant Street, Suite 400 Portsmouth, NH, 03801 (603) 956-9145 Ele Klein & Adriana Schwartz McDermott Will & Schulte LLP, 919 Third Avenue New York, NY, 10022 212-756-2000 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
12/30/2025 (Date of Event Which Requires Filing of This Statement) |
If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.
The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the
Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).
SCHEDULE 13D
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| CUSIP No. | 98943L107 |
| 1 |
Name of reporting person
Matrix Capital Management Company, LP | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
| ||||||||
| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
0.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
| ||||||||
| 13 | Percent of class represented by amount in Row (11)
0 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IA, PN |
SCHEDULE 13D
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| CUSIP No. | 98943L107 |
| 1 |
Name of reporting person
David E. Goel | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
| ||||||||
| 6 | Citizenship or place of organization
UNITED STATES
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
0.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
| ||||||||
| 13 | Percent of class represented by amount in Row (11)
0 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN, HC |
SCHEDULE 13D
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| Item 1. | Security and Issuer | |
| (a) | Title of Class of Securities:
Common Stock, par value $0.001 per share | |
| (b) | Name of Issuer:
Zentalis Pharmaceuticals, Inc. | |
| (c) | Address of Issuer's Principal Executive Offices:
10275 SCIENCE CENTER DRIVE, SUITE 200, SAN DIEGO,
CALIFORNIA
, 92121. | |
Item 1 Comment:
The following constitutes Amendment No. 3 ("Amendment No. 3") to the Schedule 13D filed by the undersigned on June 3, 2022 (the "Original Schedule 13D"), as amended by Amendment No. 1 filed by the undersigned with the Securities and Exchange Commission on June 20, 2023 ("Amendment No. 1") and Amendment No. 2 filed by the undersigned with the Securities and Exchange Commission on December 15, 2025 ("Amendment No. 2" and the Original Schedule 13D as amended by Amendment No. 1, Amendment No. 2 and this Amendment No. 3, the "Schedule 13D"). This Amendment No. 3 amends and restates Item 5. Capitalized terms used herein and not otherwise defined in this Amendment No. 3 have the meanings set forth in the Schedule 13D. This Amendment No. 3 is the final amendment to the Schedule 13D and constitutes an "exit filing" for the Reporting Persons. | ||
| Item 5. | Interest in Securities of the Issuer | |
| (a) | See rows (11) and (13) of the cover pages to this Schedule 13D for the aggregate number of shares of Common Stock and percentages of the shares of Common Stock beneficially owned by each Reporting Person. | |
| (b) | See rows (7) through (10) of the cover pages to this Schedule 13D for the number of shares of Common Stock as to which each Reporting Person has the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition. | |
| (c) | On December 30, 2025, the Matrix Fund agreed to privately sell 6,459,973 shares of Common Stock to an accredited investor at a price of $1.20 per share (the "Private Sale"). The Private Sale closed on December 31, 2025. Except for the Private Sale, no transactions in the shares of Common Stock have been effected by the Reporting Persons since the filing of Amendment No. 2. | |
| (d) | Not applicable. | |
| (e) | December 30, 2025. | |
| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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