Ensysce Biosciences, Inc. SEC filings ENSC
Ensysce Biosciences, Inc. has 547 filings in SEC EDGAR's recent list, going back to Oct 3, 2017. Its latest annual report, Form 10-K, was filed on Mar 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Officer or director change
|
Nov 4, 2026 | Oct 29, 2026 |
| PRE 14A | Preliminary proxy statement | Oct 30, 2026 | Oct 30, 2026 |
| S-3 | Shelf registration | Oct 23, 2026 | — |
| 8-K/A | Amended current report | Oct 16, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Sep 29, 2026 | Sep 25, 2026 |
| 8-K |
Current report
Other events
|
Aug 25, 2026 | Aug 25, 2026 |
| 8-K |
Current report
Other events
|
Aug 24, 2026 | Aug 24, 2026 |
| D | Filing | Aug 20, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 18, 2026 | — |
| 4 | Insider transaction | Aug 18, 2026 | Apr 23, 2026 |
| 10-Q | Quarterly report | Aug 13, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2026 | Aug 13, 2026 |
| 3 | Initial insider ownership | Aug 10, 2026 | Aug 5, 2026 |
| 8-K/A | Amended current report | Aug 6, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Change to shareholder rights, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
|
Aug 6, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 15, 2026 | Jul 15, 2026 |
| EFFECT | Filing | Jun 26, 2026 | — |
| S-3 | Shelf registration | Jun 4, 2026 | — |
| 8-K |
Current report
Listing notice
|
May 22, 2026 | May 22, 2026 |
| 10-Q | Quarterly report | May 15, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 15, 2026 | May 15, 2026 |
| S-8 | Employee stock plan registration | Apr 30, 2026 | — |
| EFFECT | Filing | Apr 15, 2026 | — |
| CORRESP | Letter to the SEC | Apr 14, 2026 | — |
| UPLOAD | Letter from the SEC | Apr 13, 2026 | — |
| S-3 | Shelf registration | Apr 9, 2026 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Apr 8, 2026 | Apr 7, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 3, 2026 | Apr 3, 2026 |
| 10-K | Annual report | Mar 30, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 30, 2026 | Mar 30, 2026 |
| 8-K |
Current report
Officer or director change
|
Mar 30, 2026 | Mar 27, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Mar 23, 2026 | Mar 23, 2026 |
| 8-K |
Current report
Listing notice
|
Feb 27, 2026 | Feb 27, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jan 8, 2026 | Jan 8, 2026 |
| DEFA14A | Additional proxy material | Dec 16, 2025 | — |
| EFFECT | Filing | Dec 11, 2025 | — |
| CORRESP | Letter to the SEC | Dec 9, 2025 | — |
| S-3 | Shelf registration | Dec 2, 2025 | — |
| ARS | Annual report to shareholders | Dec 2, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Dec 2, 2025 | Dec 2, 2025 |
| PRE 14A | Preliminary proxy statement | Nov 21, 2025 | Nov 21, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change, Other events
|
Nov 17, 2025 | Nov 17, 2025 |
| 10-Q | Quarterly report | Nov 14, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2025 | Nov 14, 2025 |
| 424B5 | Prospectus supplement | Nov 14, 2025 | — |
| 10-Q | Quarterly report | Aug 13, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2025 | Aug 13, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 12, 2025 | — |
| 8-K |
Current report
Auditor change
|
Jun 5, 2025 | Jun 5, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| 10-Q | Quarterly report | May 13, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 13, 2025 | May 13, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 12, 2025 | — |
| EFFECT | Filing | May 9, 2025 | — |
| CORRESP | Letter to the SEC | May 9, 2025 | — |
| UPLOAD | Letter from the SEC | May 9, 2025 | — |
| S-8 | Employee stock plan registration | May 2, 2025 | — |
| S-3 | Shelf registration | May 2, 2025 | — |
| D | Filing | Apr 25, 2025 | — |
| EFFECT | Filing | Apr 24, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Apr 24, 2025 | Apr 23, 2025 |
| EFFECT | Filing | Apr 23, 2025 | — |
| CORRESP | Letter to the SEC | Apr 23, 2025 | — |
| CORRESP | Letter to the SEC | Apr 22, 2025 | — |
| CORRESP | Letter to the SEC | Apr 22, 2025 | — |
| UPLOAD | Letter from the SEC | Apr 21, 2025 | — |
| UPLOAD | Letter from the SEC | Apr 21, 2025 | — |
| S-3 | Shelf registration | Apr 16, 2025 | — |
| S-3 | Shelf registration | Apr 16, 2025 | — |
| D | Filing | Apr 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 3, 2025 | — |
| 8-K |
Current report
Other events
|
Apr 1, 2025 | Apr 1, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Mar 31, 2025 | Mar 31, 2025 |
| 424B5 | Prospectus supplement | Mar 31, 2025 | — |
| 10-K | Annual report | Mar 10, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2025 | Mar 10, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| 8-K |
Current report
Material agreement
|
Feb 4, 2025 | Feb 4, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 3, 2024 | Dec 3, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Nov 21, 2024 | Nov 21, 2024 |
| DEFA14A | Additional proxy material | Nov 19, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 14, 2024 | — |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 12, 2024 |
| SC 13G | Ownership over 5% (passive) | Nov 6, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Oct 29, 2024 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Oct 18, 2024 | Oct 18, 2024 |
| DEFA14A | Additional proxy material | Oct 18, 2024 | — |
| DEF 14A | Proxy statement | Oct 18, 2024 | Oct 17, 2024 |
| ARS | Annual report to shareholders | Oct 18, 2024 | Dec 31, 2023 |
| EFFECT | Filing | Oct 17, 2024 | — |
| EFFECT | Filing | Oct 15, 2024 | — |
| CORRESP | Letter to the SEC | Oct 15, 2024 | — |
| UPLOAD | Letter from the SEC | Oct 15, 2024 | — |
| DEL AM | Filing | Oct 10, 2024 | — |
| S-3 | Shelf registration | Oct 9, 2024 | — |
| POS AM | Filing | Oct 9, 2024 | — |
| PRE 14A | Preliminary proxy statement | Oct 7, 2024 | Oct 7, 2024 |
| D | Filing | Sep 12, 2024 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Aug 30, 2024 | Aug 29, 2024 |
| 424B5 | Prospectus supplement | Aug 29, 2024 | — |
| 424B5 | Prospectus supplement | Aug 29, 2024 | — |
| 8-K |
Current report
Listing notice
|
Aug 23, 2024 | Aug 23, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2024 | Aug 14, 2024 |
| 10-Q | Quarterly report | Aug 14, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Other events
|
May 28, 2024 | May 28, 2024 |
| 8-K |
Current report
Results of operations
|
May 13, 2024 | May 13, 2024 |
| 10-Q | Quarterly report | May 13, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Other events
|
May 9, 2024 | May 9, 2024 |
| EFFECT | Filing | May 1, 2024 | — |
| POS AM | Filing | Apr 19, 2024 | — |
| EFFECT | Filing | Apr 5, 2024 | — |
| CORRESP | Letter to the SEC | Apr 3, 2024 | — |
| 8-K |
Current report
Listing notice
|
Mar 29, 2024 | Mar 29, 2024 |
| S-1/A | Amended registration statement | Mar 26, 2024 | — |
| 8-K |
Current report
Results of operations
|
Mar 15, 2024 | Mar 15, 2024 |
| 10-K | Annual report | Mar 15, 2024 | Dec 31, 2023 |
| D | Filing | Feb 21, 2024 | — |
| 424B3 | Prospectus | Feb 15, 2024 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Feb 14, 2024 | Feb 14, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| 424B3 | Prospectus | Feb 14, 2024 | — |
| UPLOAD | Letter from the SEC | Jan 22, 2024 | — |
| S-1 | Registration statement | Jan 17, 2024 | — |
| 8-K |
Current report
Other events
|
Dec 29, 2023 | Dec 29, 2023 |
| DEFA14A | Additional proxy material | Dec 19, 2023 | — |
| 8-K |
Current report
Other events
|
Dec 19, 2023 | Dec 19, 2023 |
| RW | Filing | Nov 30, 2023 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Regulation FD disclosure
|
Nov 29, 2023 | Nov 29, 2023 |
| EFFECT | Filing | Nov 21, 2023 | — |
| CORRESP | Letter to the SEC | Nov 20, 2023 | — |
| S-1/A | Amended registration statement | Nov 17, 2023 | — |
| 8-K |
Current report
Listing notice
|
Nov 17, 2023 | Nov 17, 2023 |
| UPLOAD | Letter from the SEC | Nov 17, 2023 | — |
| DEFA14A | Additional proxy material | Nov 13, 2023 | — |
| DEF 14A | Proxy statement | Nov 13, 2023 | Nov 9, 2023 |
| S-1 | Registration statement | Nov 9, 2023 | — |
| 8-K |
Current report
Results of operations
|
Nov 9, 2023 | Nov 9, 2023 |
| 10-Q | Quarterly report | Nov 9, 2023 | Sep 30, 2023 |
| PRE 14A | Preliminary proxy statement | Oct 30, 2023 | Oct 30, 2023 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Regulation FD disclosure
|
Oct 24, 2023 | Oct 24, 2023 |
| S-8 | Employee stock plan registration | Oct 20, 2023 | — |
| 8-K |
Current report
Shareholder vote results
|
Aug 28, 2023 | Aug 28, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2023 | Aug 11, 2023 |
| 10-Q | Quarterly report | Aug 11, 2023 | Jun 30, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Jul 18, 2023 | — |
| DEFA14A | Additional proxy material | Jul 14, 2023 | — |
| DEF 14A | Proxy statement | Jul 14, 2023 | Jul 13, 2023 |
| 8-K |
Current report
Other events
|
Jun 14, 2023 | Jun 13, 2023 |
| 8-K |
Current report
Other events
|
Jun 2, 2023 | Jun 2, 2023 |
| POS EX | Filing | May 17, 2023 | — |
| AW | Filing | May 17, 2023 | — |
| 10-Q | Quarterly report | May 15, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Material agreement, Other events
|
May 15, 2023 | May 15, 2023 |
| 424B3 | Prospectus | May 12, 2023 | — |
| 424B3 | Prospectus | May 12, 2023 | — |
| 424B3 | Prospectus | May 12, 2023 | — |
| 424B3 | Prospectus | May 12, 2023 | — |
| POS AM | Filing | May 12, 2023 | — |
| EFFECT | Filing | May 9, 2023 | — |
| CORRESP | Letter to the SEC | May 9, 2023 | — |
| CORRESP | Letter to the SEC | May 9, 2023 | — |
| S-1/A | Amended registration statement | May 9, 2023 | — |
| S-1/A | Amended registration statement | May 8, 2023 | — |
| UPLOAD | Letter from the SEC | May 4, 2023 | — |
| S-1 | Registration statement | Apr 28, 2023 | — |
| 8-K |
Current report
Auditor change
|
Apr 10, 2023 | Apr 10, 2023 |
| 8-A12G/A | Filing | Mar 31, 2023 | — |
| 8-K |
Current report
Results of operations
|
Mar 31, 2023 | Mar 30, 2023 |
| 10-K | Annual report | Mar 30, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Mar 30, 2023 | Mar 30, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Mar 24, 2023 | Mar 24, 2023 |
| 4 | Insider transaction | Mar 6, 2023 | Mar 2, 2023 |
| 4 | Insider transaction | Mar 2, 2023 | Feb 28, 2023 |
| D | Filing | Mar 1, 2023 | — |
| DEF 14A | Proxy statement | Feb 24, 2023 | Feb 23, 2023 |
| S-3/A | Filing | Feb 16, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| PRE 14A | Preliminary proxy statement | Feb 13, 2023 | Feb 13, 2023 |
| 8-A12G/A | Filing | Feb 7, 2023 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Feb 7, 2023 | Feb 7, 2023 |
| SC 13G | Ownership over 5% (passive) | Feb 7, 2023 | — |
| 424B5 | Prospectus supplement | Feb 6, 2023 | — |
| 4 | Insider transaction | Feb 1, 2023 | Dec 9, 2022 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Regulation FD disclosure
|
Feb 1, 2023 | Feb 1, 2023 |
| 8-A12G | Filing | Feb 1, 2023 | — |
| 8-K |
Current report
Listing notice
|
Jan 31, 2023 | Jan 30, 2023 |
| S-3 | Shelf registration | Jan 31, 2023 | — |
| 8-K |
Current report
Other events
|
Jan 19, 2023 | Jan 18, 2023 |
| EFFECT | Filing | Jan 17, 2023 | — |
| CORRESP | Letter to the SEC | Jan 13, 2023 | — |
| UPLOAD | Letter from the SEC | Jan 13, 2023 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Jan 13, 2023 | Jan 13, 2023 |
| S-3 | Shelf registration | Jan 9, 2023 | — |
| 424B4 | Prospectus | Jan 3, 2023 | — |
| EFFECT | Filing | Dec 29, 2022 | — |
| CORRESP | Letter to the SEC | Dec 27, 2022 | — |
Showing 200 filings, the most recent 200. 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.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ENSC (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- La Jolla, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1716947
- Former names
- Leisure Acquisition Corp. (until Jun 30, 2021)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.