Pasithea Therapeutics Corp. SEC filings KTTA
Pasithea Therapeutics Corp. has 344 filings in SEC EDGAR's recent list, going back to Jan 29, 2021. Its latest annual report, Form ARS, was filed on Aug 7, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 16, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 6, 2026 | — |
| 8-K |
Current report
Other events
|
Sep 16, 2026 | Sep 16, 2026 |
| 25-NSE | Delisting notice | Sep 16, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
Sep 9, 2026 | Sep 9, 2026 |
| 8-K |
Current report
Listing notice
|
Aug 21, 2026 | Aug 20, 2026 |
| 10-Q | Quarterly report | Aug 14, 2026 | Jun 30, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| ARS | Annual report to shareholders | Aug 7, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Aug 7, 2026 | Sep 9, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 31, 2026 | — |
| PRE 14A | Preliminary proxy statement | Jul 29, 2026 | Jul 29, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 1, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 23, 2026 | — |
| 4 | Insider transaction | Jun 22, 2026 | Jun 17, 2026 |
| 10-Q | Quarterly report | May 15, 2026 | Mar 31, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 3 | Initial insider ownership | May 5, 2026 | May 1, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 4, 2026 | May 1, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 22, 2026 | — |
| 3 | Initial insider ownership | Apr 17, 2026 | Apr 9, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 8, 2026 | — |
| 10-K | Annual report | Mar 30, 2026 | Dec 31, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 27, 2026 | — |
| 8-K |
Current report
Listing notice
|
Feb 20, 2026 | Feb 20, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 12, 2026 | — |
| S-8 | Employee stock plan registration | Jan 30, 2026 | — |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
Jan 28, 2026 | Jan 28, 2026 |
| EFFECT | Filing | Jan 27, 2026 | — |
| POS AM | Post-effective amendment no. 1 to form s-3 | Jan 26, 2026 | — |
| DEF 14A | Proxy statement | Dec 29, 2025 | Jan 28, 2026 |
| PRE 14A | Preliminary proxy statement | Dec 19, 2025 | Jan 28, 2026 |
| 8-K |
Current report
Other events
|
Dec 15, 2025 | Dec 12, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 8, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 5, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 5, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Dec 2, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 28, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 28, 2025 |
| 424B4 | Prospectus | Dec 1, 2025 | — |
| EFFECT | Filing | Nov 28, 2025 | — |
| CORRESP | Letter to the SEC | Nov 26, 2025 | — |
| CORRESP | Letter to the SEC | Nov 26, 2025 | — |
| S-1/A | Amended registration statement | Nov 26, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 25, 2025 | Nov 20, 2025 |
| CORRESP | Letter to the SEC | Nov 24, 2025 | — |
| CORRESP | Letter to the SEC | Nov 24, 2025 | — |
| CORRESP | Letter to the SEC | Nov 21, 2025 | — |
| CORRESP | Letter to the SEC | Nov 21, 2025 | — |
| CORRESP | Letter to the SEC | Nov 21, 2025 | — |
| CORRESP | Letter to the SEC | Nov 21, 2025 | — |
| CORRESP | Letter to the SEC | Nov 19, 2025 | — |
| CORRESP | Letter to the SEC | Nov 19, 2025 | — |
| S-1 | Registration statement | Nov 18, 2025 | — |
| 10-Q | Quarterly report | Nov 13, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 4, 2025 | Nov 4, 2025 |
| 4 | Insider transaction | Oct 27, 2025 | Oct 24, 2025 |
| 4 | Insider transaction | Oct 27, 2025 | Oct 24, 2025 |
| 4 | Insider transaction | Oct 27, 2025 | Oct 24, 2025 |
| 4 | Insider transaction | Oct 27, 2025 | Oct 24, 2025 |
| 4 | Insider transaction | Oct 27, 2025 | Oct 24, 2025 |
| 4 | Insider transaction | Oct 27, 2025 | Oct 24, 2025 |
| 8-K |
Current report
Officer or director change
|
Oct 27, 2025 | Oct 24, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 16, 2025 | Sep 16, 2025 |
| S-8 | Employee stock plan registration | Sep 9, 2025 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Sep 3, 2025 | Sep 3, 2025 |
| UPLOAD | Letter from the SEC | Sep 2, 2025 | — |
| DRS | Filing | Aug 28, 2025 | — |
| DRSLTR | Filing | Aug 27, 2025 | — |
| 10-Q | Quarterly report | Aug 14, 2025 | Jun 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| ARS | Annual report to shareholders | Jul 24, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Jul 24, 2025 | Sep 3, 2025 |
| PRE 14A | Preliminary proxy statement | Jul 14, 2025 | Sep 3, 2025 |
| 8-K | Current report | Jul 11, 2025 | Jul 10, 2025 |
| 8-K |
Current report
Listing notice
|
Jun 27, 2025 | Jun 23, 2025 |
| 8-K |
Current report
Other events
|
Jun 20, 2025 | Jun 20, 2025 |
| 424B5 | Prospectus supplement | Jun 20, 2025 | — |
| 10-Q | Quarterly report | May 15, 2025 | Mar 31, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| 144 | Notice of proposed sale | May 14, 2025 | — |
| 4 | Insider transaction | May 14, 2025 | May 12, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 12, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 12, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 9, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 9, 2025 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
May 7, 2025 | May 6, 2025 |
| 424B4 | Prospectus | May 7, 2025 | — |
| EFFECT | Filing | May 6, 2025 | — |
| CORRESP | Letter to the SEC | May 1, 2025 | — |
| CORRESP | Letter to the SEC | May 1, 2025 | — |
| S-1 | Registration statement | May 1, 2025 | — |
| 8-K |
Current report
Auditor change
|
Apr 25, 2025 | Apr 23, 2025 |
| UPLOAD | Letter from the SEC | Apr 14, 2025 | — |
| DRS | Filing | Apr 7, 2025 | — |
| 10-K | Annual report | Mar 24, 2025 | Dec 31, 2024 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 6, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| 424B5 | Prospectus supplement | Nov 26, 2024 | — |
| 8-K |
Current report
Material agreement
|
Nov 26, 2024 | Nov 26, 2024 |
| SC 13G | Ownership over 5% (passive) | Nov 14, 2024 | — |
| 10-Q | Quarterly report | Nov 13, 2024 | Sep 30, 2024 |
| EFFECT | Filing | Oct 11, 2024 | — |
| 424B3 | Prospectus | Oct 11, 2024 | — |
| CORRESP | Letter to the SEC | Oct 10, 2024 | — |
| UPLOAD | Letter from the SEC | Oct 10, 2024 | — |
| S-3 | Shelf registration | Oct 7, 2024 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Sep 30, 2024 | Sep 26, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 26, 2024 | Sep 26, 2024 |
| 10-Q | Quarterly report | Aug 13, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 26, 2024 | Jun 26, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| ARS | Annual report to shareholders | May 28, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | May 28, 2024 | Jun 26, 2024 |
| 8-K | Current report | May 14, 2024 | May 13, 2024 |
| 10-Q | Quarterly report | May 14, 2024 | Mar 31, 2024 |
| 4/A | Filing | Apr 5, 2024 | Mar 1, 2024 |
| 4/A | Filing | Apr 5, 2024 | Mar 1, 2024 |
| 4/A | Filing | Apr 5, 2024 | Mar 1, 2024 |
| 4/A | Filing | Apr 5, 2024 | Mar 1, 2024 |
| 4/A | Filing | Apr 5, 2024 | Mar 1, 2024 |
| 4/A | Filing | Apr 5, 2024 | Mar 1, 2024 |
| 4/A | Filing | Apr 5, 2024 | Mar 1, 2024 |
| EFFECT | Filing | Apr 2, 2024 | — |
| S-8 | Employee stock plan registration | Mar 29, 2024 | — |
| POS AM | Post-effective amendment no. 1 to form s-8 | Mar 29, 2024 | — |
| 10-K | Annual report | Mar 29, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Mar 1, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Mar 1, 2024 |
| 8-K |
Current report
Other events
|
Jan 18, 2024 | Jan 17, 2024 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change, Shareholder vote results
|
Jan 2, 2024 | Dec 29, 2023 |
| DEFA14A | Additional proxy material | Dec 28, 2023 | — |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change
|
Dec 28, 2023 | Dec 28, 2023 |
| DEFA14A | Additional proxy material | Dec 19, 2023 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Dec 19, 2023 | Dec 19, 2023 |
| DEFA14A | Additional proxy material | Nov 29, 2023 | — |
| 10-Q | Quarterly report | Nov 13, 2023 | Sep 30, 2023 |
| ARS | Annual report to shareholders | Oct 26, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | Oct 26, 2023 | Nov 29, 2023 |
| PRE 14A | Preliminary proxy statement | Oct 16, 2023 | Oct 16, 2023 |
| 8-K | Current report | Oct 13, 2023 | Oct 6, 2023 |
| SC TO-I/A | Amendment no. 4 to form sc to-i | Sep 14, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 14, 2023 | Sep 14, 2023 |
| SC TO-I/A | Filing | Aug 24, 2023 | — |
| SC TO-I/A | Filing | Aug 21, 2023 | — |
| CORRESP | Letter to the SEC | Aug 21, 2023 | — |
| UPLOAD | Letter from the SEC | Aug 15, 2023 | — |
| SC TO-I/A | Filing | Aug 14, 2023 | — |
| 10-Q | Quarterly report | Aug 11, 2023 | Jun 30, 2023 |
| SC TO-I | Filing | Aug 9, 2023 | — |
| SC TO-C | Current report | Jul 20, 2023 | — |
| 8-K |
Current report
Other events
|
Jul 20, 2023 | Jul 20, 2023 |
| 8-K |
Current report
Listing notice
|
Jul 20, 2023 | Jul 19, 2023 |
| 3 | Initial insider ownership | Jul 3, 2023 | Jul 3, 2023 |
| SC 13D | Ownership over 5% (active) | Jun 8, 2023 | — |
| 4/A | Filing | Jun 6, 2023 | Oct 17, 2022 |
| 4 | Insider transaction | Jun 6, 2023 | Jun 2, 2023 |
| 424B3 | Prospectus | Jun 6, 2023 | — |
| EFFECT | Filing | Jun 5, 2023 | — |
| CORRESP | Letter to the SEC | Jun 1, 2023 | — |
| UPLOAD | Letter from the SEC | May 19, 2023 | — |
| DEL AM | Delaying amendment | May 17, 2023 | — |
| S-3 | Shelf registration | May 12, 2023 | — |
| 10-Q | Quarterly report | May 12, 2023 | Mar 31, 2023 |
| EFFECT | Filing | Apr 19, 2023 | — |
| CORRESP | Letter to the SEC | Apr 17, 2023 | — |
| 10-K/A | Amended annual report | Apr 4, 2023 | Dec 31, 2022 |
| UPLOAD | Letter from the SEC | Apr 4, 2023 | — |
| S-8 | Employee stock plan registration | Mar 30, 2023 | — |
| S-3 | Shelf registration | Mar 30, 2023 | — |
| 10-K | Annual report | Mar 30, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 10, 2023 | Mar 10, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 15, 2023 | — |
| 3 | Initial insider ownership | Feb 14, 2023 | Oct 22, 2022 |
| 8-K |
Current report
Listing notice
|
Jan 24, 2023 | Jan 19, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 13, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 10, 2023 | — |
| 8-K |
Current report
Material agreement, Shareholder vote results, Regulation FD disclosure
|
Dec 14, 2022 | Dec 9, 2022 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 14, 2022 | — |
| DFAN14A | Filing | Dec 7, 2022 | — |
| 424B3 | Prospectus | Nov 30, 2022 | — |
| 424B3 | Prospectus | Nov 30, 2022 | — |
| DEFA14A | Additional proxy material | Nov 29, 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.
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
- KTTA (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Miami Beach, FL
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1841330
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.