Zentalis Pharmaceuticals, Inc. SEC filings ZNTL
Zentalis Pharmaceuticals, Inc. has 546 filings in SEC EDGAR's recent list, going back to Dec 19, 2017. Its latest annual report, Form ARS, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 14, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Aug 14, 2026 | Aug 13, 2026 |
| 424B5 | Prospectus supplement | Aug 14, 2026 | — |
| 424B5 | Prospectus supplement | Aug 13, 2026 | — |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 18, 2026 | Jun 16, 2026 |
| DEFA14A | Additional proxy material | May 27, 2026 | — |
| 8-K |
Current report
Officer or director change
|
May 27, 2026 | May 22, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 21, 2026 | May 21, 2026 |
| 10-Q | Quarterly report | May 12, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 12, 2026 | May 12, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 5, 2026 | May 5, 2026 |
| DEFA14A | Additional proxy material | Apr 30, 2026 | — |
| DEF 14A | Proxy statement | Apr 30, 2026 | Jun 16, 2026 |
| ARS | Annual report to shareholders | Apr 30, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 17, 2026 | Apr 17, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 9, 2026 | Apr 9, 2026 |
| 10-K | Annual report | Mar 26, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 26, 2026 | Mar 26, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 9, 2026 | Jan 6, 2026 |
| 8-K |
Current report
Officer or director change, Other events
|
Dec 15, 2025 | Dec 15, 2025 |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 10, 2025 | Nov 10, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 26, 2025 | Aug 26, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 6, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 18, 2025 | Jun 17, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 2, 2025 | May 31, 2025 |
| DEFA14A | Additional proxy material | May 23, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
May 20, 2025 | May 20, 2025 |
| S-8 | Employee stock plan registration | May 14, 2025 | — |
| 10-Q | Quarterly report | May 14, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 14, 2025 | May 14, 2025 |
| DEFA14A | Additional proxy material | Apr 30, 2025 | — |
| DEF 14A | Proxy statement | Apr 30, 2025 | Jun 17, 2025 |
| ARS | Annual report to shareholders | Apr 30, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 28, 2025 | Apr 27, 2025 |
| EFFECT | Filing | Apr 4, 2025 | — |
| CORRESP | Letter to the SEC | Apr 2, 2025 | — |
| UPLOAD | Letter from the SEC | Apr 1, 2025 | — |
| 8-K |
Current report
Results of operations
|
Mar 26, 2025 | Mar 26, 2025 |
| S-3 | Shelf registration | Mar 26, 2025 | — |
| 10-K | Annual report | Mar 26, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 17, 2025 | Mar 15, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 29, 2025 | Jan 29, 2025 |
| 8-K |
Current report
Exit or restructuring costs, Regulation FD disclosure, Other events
|
Jan 28, 2025 | Jan 22, 2025 |
| 8-K/A |
Amended current report
Officer or director change
|
Dec 19, 2024 | Dec 17, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Nov 13, 2024 | Nov 12, 2024 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| UPLOAD | Letter from the SEC | Oct 17, 2024 | — |
| CORRESP | Letter to the SEC | Oct 10, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 16, 2024 | Sep 16, 2024 |
| UPLOAD | Letter from the SEC | Sep 12, 2024 | — |
| 10-Q | Quarterly report | Aug 9, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2024 | Aug 9, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 21, 2024 | Jun 21, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 3, 2024 | Jun 3, 2024 |
| DEFA14A | Additional proxy material | May 29, 2024 | — |
| 8-K |
Current report
Officer or director change
|
May 29, 2024 | May 24, 2024 |
| 10-Q | Quarterly report | May 7, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 7, 2024 | May 7, 2024 |
| DEFA14A | Additional proxy material | Apr 29, 2024 | — |
| DEF 14A | Proxy statement | Apr 29, 2024 | Jun 21, 2024 |
| ARS | Annual report to shareholders | Apr 29, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Officer or director change
|
Apr 11, 2024 | Apr 5, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 9, 2024 | Apr 9, 2024 |
| S-8 | Employee stock plan registration | Feb 29, 2024 | — |
| S-3ASR | Automatic shelf registration | Feb 29, 2024 | — |
| 10-K | Annual report | Feb 27, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2024 | Feb 27, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Feb 15, 2024 | Feb 12, 2024 |
| 8-K |
Current report
Listing notice, Officer or director change, Regulation FD disclosure
|
Jan 25, 2024 | Jan 19, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 8, 2024 | Jan 5, 2024 |
| 10-Q | Quarterly report | Nov 6, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 6, 2023 | Nov 6, 2023 |
| 8-K |
Current report
Officer or director change
|
Oct 6, 2023 | Oct 6, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 13, 2023 | Sep 13, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 9, 2023 | Aug 9, 2023 |
| 10-Q | Quarterly report | Aug 9, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2023 | Aug 9, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 16, 2023 | Jun 16, 2023 |
| 8-K |
Current report
Other events
|
Jun 15, 2023 | Jun 15, 2023 |
| 424B5 | Prospectus supplement | Jun 15, 2023 | — |
| FWP | Free writing prospectus | Jun 15, 2023 | — |
| 8-K |
Current report
Other events
|
Jun 15, 2023 | Jun 15, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 6, 2023 | Jun 6, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 5, 2023 | Jun 5, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 26, 2023 | May 25, 2023 |
| DEFA14A | Additional proxy material | May 10, 2023 | — |
| 10-Q | Quarterly report | May 10, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 10, 2023 | May 10, 2023 |
| DEFA14A | Additional proxy material | Apr 28, 2023 | — |
| ARS | Annual report to shareholders | Apr 28, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | Apr 28, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 26, 2023 | Apr 26, 2023 |
| PRE 14A | Preliminary proxy statement | Apr 18, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 17, 2023 | Apr 17, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 10, 2023 | Mar 10, 2023 |
| 8-K |
Current report
Material agreement
|
Mar 9, 2023 | Mar 6, 2023 |
| 10-K | Annual report | Mar 1, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 1, 2023 | Mar 1, 2023 |
| 8-K |
Current report
Officer or director change
|
Feb 13, 2023 | Feb 13, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 9, 2023 | Jan 9, 2023 |
| 10-Q | Quarterly report | Nov 9, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 9, 2022 | Nov 9, 2022 |
| 10-K/A | Amended annual report | Oct 31, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Officer or director change
|
Sep 27, 2022 | Sep 26, 2022 |
| 8-K |
Current report
Officer or director change
|
Sep 12, 2022 | Sep 9, 2022 |
| S-8 | Employee stock plan registration | Aug 9, 2022 | — |
| 10-Q | Quarterly report | Aug 9, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 9, 2022 | Aug 9, 2022 |
| 8-K |
Current report
Officer or director change
|
Jul 22, 2022 | Jul 20, 2022 |
| UPLOAD | Letter from the SEC | Jun 29, 2022 | — |
| 8-K |
Current report
Officer or director change
|
Jun 27, 2022 | Jun 21, 2022 |
| CORRESP | Letter to the SEC | Jun 22, 2022 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2022 | Jun 8, 2022 |
| UPLOAD | Letter from the SEC | Jun 9, 2022 | — |
| DEFA14A | Additional proxy material | May 31, 2022 | — |
| 8-K |
Current report
Officer or director change
|
May 31, 2022 | May 25, 2022 |
| CORRESP | Letter to the SEC | May 26, 2022 | — |
| 8-K |
Current report
Listing notice
|
May 24, 2022 | May 20, 2022 |
| DEFA14A | Additional proxy material | May 18, 2022 | — |
| 8-K |
Current report
Other events
|
May 16, 2022 | May 16, 2022 |
| 424B5 | Prospectus supplement | May 16, 2022 | — |
| 8-K |
Current report
Officer or director change
|
May 16, 2022 | May 10, 2022 |
| UPLOAD | Letter from the SEC | May 12, 2022 | — |
| 10-Q | Quarterly report | May 5, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 5, 2022 | May 5, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2022 | — |
| DEF 14A | Proxy statement | Apr 28, 2022 | Apr 28, 2022 |
| 424B5 | Prospectus supplement | Apr 27, 2022 | — |
| 8-K |
Current report
Other events
|
Apr 27, 2022 | Apr 26, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 11, 2022 | Apr 11, 2022 |
| 8-K/A |
Amended current report
Regulation FD disclosure
|
Apr 11, 2022 | Apr 8, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 8, 2022 | Apr 8, 2022 |
| 10-K | Annual report | Feb 24, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2022 | Feb 24, 2022 |
| 8-K |
Current report
Other events
|
Nov 17, 2021 | Nov 17, 2021 |
| 10-Q | Quarterly report | Nov 10, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2021 | Nov 10, 2021 |
| 10-Q | Quarterly report | Aug 12, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2021 | Aug 12, 2021 |
| 8-K |
Current report
Other events
|
Jul 1, 2021 | Jun 28, 2021 |
| 424B5 | Prospectus supplement | Jun 30, 2021 | — |
| 424B5 | Prospectus supplement | Jun 28, 2021 | — |
| 8-K |
Current report
Other events
|
Jun 28, 2021 | Jun 28, 2021 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 8, 2021 | Jun 4, 2021 |
| 10-Q | Quarterly report | May 17, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 17, 2021 | May 17, 2021 |
| S-3ASR | Automatic shelf registration | May 4, 2021 | — |
| RW | Filing | May 4, 2021 | — |
| S-3 | Shelf registration | May 4, 2021 | — |
| DEFA14A | Additional proxy material | Apr 23, 2021 | — |
| DEF 14A | Proxy statement | Apr 23, 2021 | Jun 4, 2021 |
| 8-K |
Current report
Agreement ended
|
Apr 6, 2021 | Apr 1, 2021 |
| 10-K | Annual report | Mar 25, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 25, 2021 | Mar 25, 2021 |
| S-8 | Employee stock plan registration | Mar 19, 2021 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Mar 19, 2021 | Mar 18, 2021 |
| 8-K |
Current report
Officer or director change
|
Feb 10, 2021 | Feb 9, 2021 |
| 10-Q | Quarterly report | Nov 9, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2020 | Nov 9, 2020 |
| 8-K |
Current report
Material agreement, New debt, Officer or director change
|
Oct 2, 2020 | Sep 30, 2020 |
| 10-Q | Quarterly report | Aug 13, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2020 | Aug 12, 2020 |
| 8-K |
Current report
Agreement ended, Results of operations
|
Jul 31, 2020 | Jul 27, 2020 |
| 424B4 | Prospectus | Jul 31, 2020 | — |
| EFFECT | Filing | Jul 29, 2020 | — |
| S-1/A | Amended registration statement | Jul 28, 2020 | — |
| CORRESP | Letter to the SEC | Jul 27, 2020 | — |
| CORRESP | Letter to the SEC | Jul 27, 2020 | — |
| S-1 | Registration statement | Jul 27, 2020 | — |
| UPLOAD | Letter from the SEC | Jul 14, 2020 | — |
| DRS | Filing | Jul 10, 2020 | — |
| 8-K |
Current report
Officer or director change
|
Jul 2, 2020 | Jun 26, 2020 |
| 10-Q | Quarterly report | May 15, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 15, 2020 | May 15, 2020 |
| S-8 | Employee stock plan registration | Apr 7, 2020 | — |
| SEC STAFF LETTER | Filing | Apr 6, 2020 | — |
| 424B4 | Prospectus | Apr 6, 2020 | — |
| CERT | 8a cert | Apr 3, 2020 | — |
| EFFECT | Filing | Apr 2, 2020 | — |
| S-1MEF | Filing | Apr 2, 2020 | — |
| 8-A12B | Filing | Apr 2, 2020 | — |
| CORRESP | Letter to the SEC | Mar 31, 2020 | — |
| CORRESP | Letter to the SEC | Mar 31, 2020 | — |
| S-1/A | Amended registration statement | Mar 31, 2020 | — |
| S-1/A | Amended registration statement | Mar 30, 2020 | — |
| CORRESP | Letter to the SEC | Mar 13, 2020 | — |
| CORRESP | Letter to the SEC | Mar 13, 2020 | — |
| UPLOAD | Letter from the SEC | Mar 11, 2020 | — |
| S-1 | Registration statement | Mar 6, 2020 | — |
| SEC STAFF LETTER | Filing | Feb 21, 2020 | — |
| DRSLTR | Filing | Feb 14, 2020 | — |
| DRS/A | Filing | Feb 14, 2020 | — |
| UPLOAD | Letter from the SEC | Feb 11, 2020 | — |
| DRS | Filing | Jan 8, 2020 | — |
| D | Filing | Sep 5, 2019 | — |
| D | Filing | Dec 19, 2017 | — |
Showing 199 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ZNTL (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- San Diego, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1725160
- Former names
- Zentalis Pharmaceuticals, LLC (until Apr 6, 2020); Zeno Pharma, LLC (until Sep 5, 2019)
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
- Johnson & Johnson JNJ
- AbbVie Inc. ABBV
- Merck & Co., Inc. MRK
- Novartis AG NVS
- Astrazeneca PLC AZN
- Abbott Laboratories ABT
- Novo Nordisk A S NVO
Source: SEC EDGAR filings. This is company-reported data, not investment advice.