Citius Oncology, Inc. SEC filings CTOR
Citius Oncology, Inc. has 268 filings in SEC EDGAR's recent list, going back to May 19, 2021. Its latest annual report, Form ARS, was filed on Aug 26, 2026 for the period ended Sep 30, 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 Nov 4, 2026 (other events). The company's fiscal year ends on September 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Nov 4, 2026 | Nov 4, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 26, 2026 | Oct 26, 2026 |
| 8-K |
Current report
Other events
|
Oct 23, 2026 | Oct 19, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Sep 29, 2026 | Sep 29, 2026 |
| ARS | Annual report to shareholders | Aug 26, 2026 | Sep 30, 2025 |
| DEF 14A | Proxy statement | Aug 26, 2026 | Sep 29, 2026 |
| 3 | Initial insider ownership | Aug 14, 2026 | Aug 10, 2026 |
| 424B3 | Prospectus | Aug 14, 2026 | — |
| 10-Q | Quarterly report | Aug 14, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2026 | Aug 14, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Aug 12, 2026 | Aug 7, 2026 |
| 424B3 | Prospectus | Aug 5, 2026 | — |
| 8-K |
Current report
Other events
|
Aug 5, 2026 | Aug 5, 2026 |
| EFFECT | Filing | Jun 5, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 4, 2026 | — |
| CORRESP | Letter to the SEC | Jun 3, 2026 | — |
| UPLOAD | Letter from the SEC | Jun 3, 2026 | — |
| 424B3 | Prospectus | Jun 1, 2026 | — |
| 8-K |
Current report
Other events
|
Jun 1, 2026 | Jun 1, 2026 |
| DEF 14C | Information statement | May 29, 2026 | May 29, 2026 |
| S-3 | Shelf registration | May 29, 2026 | — |
| 424B3 | Prospectus | May 22, 2026 | — |
| PRE 14C | Preliminary information statement | May 19, 2026 | May 19, 2026 |
| 8-K |
Current report
Results of operations
|
May 15, 2026 | May 15, 2026 |
| 10-Q | Quarterly report | May 15, 2026 | Mar 31, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 424B3 | Prospectus | May 6, 2026 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
May 6, 2026 | May 4, 2026 |
| 424B3 | Prospectus | May 5, 2026 | — |
| 8-K |
Current report
Other events
|
Apr 29, 2026 | Apr 29, 2026 |
| 8-K |
Current report
Listing notice
|
Apr 28, 2026 | Apr 22, 2026 |
| 8-K |
Current report
Other events
|
Mar 31, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Other events
|
Mar 10, 2026 | Mar 10, 2026 |
| 8-K |
Current report
Other events
|
Mar 4, 2026 | Mar 4, 2026 |
| EFFECT | Filing | Mar 2, 2026 | — |
| POS AM | Post-effective amendment no. 1 to form s-1 | Feb 20, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 8-K |
Current report
Results of operations
|
Feb 13, 2026 | Feb 13, 2026 |
| 10-Q | Quarterly report | Feb 13, 2026 | Dec 31, 2025 |
| DEF 14C | Information statement | Jan 29, 2026 | Jan 29, 2026 |
| PRE 14C | Preliminary information statement | Jan 20, 2026 | Jan 20, 2026 |
| EFFECT | Filing | Jan 12, 2026 | — |
| CORRESP | Letter to the SEC | Jan 9, 2026 | — |
| UPLOAD | Letter from the SEC | Jan 9, 2026 | — |
| S-3 | Shelf registration | Jan 5, 2026 | — |
| 8-K |
Current report
Results of operations
|
Dec 23, 2025 | Dec 23, 2025 |
| 10-K | Annual report | Dec 23, 2025 | Sep 30, 2025 |
| 4/A | Ownership document | Dec 22, 2025 | Sep 19, 2025 |
| 4/A | Ownership document | Dec 22, 2025 | Sep 19, 2025 |
| 4/A | Ownership document | Dec 22, 2025 | Sep 19, 2025 |
| 4/A | Ownership document | Dec 22, 2025 | Sep 19, 2025 |
| 4/A | Ownership document | Dec 22, 2025 | Sep 19, 2025 |
| 4/A | Ownership document | Dec 22, 2025 | Sep 19, 2025 |
| 4/A | Ownership document | Dec 22, 2025 | Sep 19, 2025 |
| 4/A | Ownership document | Dec 22, 2025 | Sep 19, 2025 |
| 4/A | Ownership document | Dec 22, 2025 | Sep 19, 2025 |
| 4/A | Ownership document | Dec 22, 2025 | Sep 19, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 17, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Dec 10, 2025 | Dec 8, 2025 |
| 424B5 | Prospectus supplement | Dec 10, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 1, 2025 | Dec 1, 2025 |
| 4/A | Filing | Dec 1, 2025 | Sep 19, 2025 |
| 4/A | Filing | Dec 1, 2025 | Sep 19, 2025 |
| 4/A | Filing | Dec 1, 2025 | Sep 19, 2025 |
| 4/A | Filing | Dec 1, 2025 | Sep 19, 2025 |
| 4/A | Filing | Dec 1, 2025 | Sep 19, 2025 |
| 4/A | Filing | Dec 1, 2025 | Sep 19, 2025 |
| 4/A | Filing | Dec 1, 2025 | Sep 19, 2025 |
| 4/A | Filing | Dec 1, 2025 | Sep 19, 2025 |
| 4/A | Filing | Dec 1, 2025 | Sep 19, 2025 |
| 4/A | Filing | Dec 1, 2025 | Sep 19, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Oct 27, 2025 | Oct 27, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 23, 2025 | Oct 23, 2025 |
| DEF 14A | Proxy statement | Sep 26, 2025 | Oct 27, 2025 |
| 4 | Insider transaction | Sep 23, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 23, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 23, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 23, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 23, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 23, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 23, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 23, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 23, 2025 | Sep 19, 2025 |
| 4 | Insider transaction | Sep 23, 2025 | Sep 19, 2025 |
| S-8 | Employee stock plan registration | Sep 19, 2025 | — |
| 8-K |
Current report
Unregistered share sale, Officer or director change
|
Sep 19, 2025 | Sep 19, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 12, 2025 | — |
| 424B3 | Prospectus | Sep 10, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Sep 10, 2025 | Sep 9, 2025 |
| 424B5 | Prospectus supplement | Sep 10, 2025 | — |
| EFFECT | Filing | Sep 4, 2025 | — |
| CORRESP | Letter to the SEC | Sep 2, 2025 | — |
| S-3 | Shelf registration | Sep 2, 2025 | — |
| UPLOAD | Letter from the SEC | Aug 22, 2025 | — |
| DRS | Filing | Aug 20, 2025 | — |
| 8-K |
Current report
Other events
|
Aug 18, 2025 | Aug 18, 2025 |
| 424B3 | Prospectus | Aug 18, 2025 | — |
| 8-K |
Current report
Results of operations
|
Aug 12, 2025 | Aug 12, 2025 |
| 10-Q | Quarterly report | Aug 12, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Aug 7, 2025 | Jul 28, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jul 25, 2025 | — |
| 8-K |
Current report
Material agreement, Other events
|
Jul 18, 2025 | Jul 16, 2025 |
| 424B4 | Prospectus | Jul 17, 2025 | — |
| EFFECT | Filing | Jul 16, 2025 | — |
| CORRESP | Letter to the SEC | Jul 15, 2025 | — |
| S-1/A | Amended registration statement | Jul 14, 2025 | — |
| S-1 | Registration statement | Jul 14, 2025 | — |
| 8-K |
Current report
Other events
|
Jun 27, 2025 | Jun 26, 2025 |
| 8-K |
Current report
Other events
|
Jun 17, 2025 | Jun 17, 2025 |
| 10-Q | Quarterly report | May 14, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 14, 2025 | May 14, 2025 |
| UPLOAD | Letter from the SEC | May 1, 2025 | — |
| DRS | Filing | Apr 28, 2025 | — |
| 8-K |
Current report
Listing notice
|
Apr 25, 2025 | Apr 23, 2025 |
| 8-K |
Current report
Material agreement
|
Apr 3, 2025 | Mar 28, 2025 |
| DEFA14C | Definitive additional materials | Feb 24, 2025 | — |
| DEF 14C | Information statement | Feb 24, 2025 | Feb 24, 2025 |
| 8-K |
Current report
Other events
|
Feb 14, 2025 | Feb 14, 2025 |
| 10-Q | Quarterly report | Feb 14, 2025 | Dec 31, 2024 |
| PRE 14C | Preliminary information statement | Feb 12, 2025 | Feb 12, 2025 |
| 8-K |
Current report
Other events
|
Feb 6, 2025 | Feb 6, 2025 |
| 10-K/A | Amended annual report | Jan 27, 2025 | Sep 30, 2024 |
| 8-K |
Current report
Other events
|
Jan 7, 2025 | Jan 7, 2025 |
| 8-K |
Current report
Other events
|
Jan 6, 2025 | Jan 6, 2025 |
| 8-K |
Current report
Results of operations
|
Dec 27, 2024 | Dec 27, 2024 |
| 10-K | Annual report | Dec 27, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 12, 2024 |
| 8-K |
Current report
Other events
|
Nov 12, 2024 | Nov 11, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 6, 2024 | — |
| 8-K |
Current report
Material agreement
|
Sep 13, 2024 | Sep 9, 2024 |
| 8-K |
Current report
Other events
|
Sep 5, 2024 | Sep 5, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 5, 2024 | — |
| 4/A | Filing | Aug 30, 2024 | Aug 12, 2024 |
| 4/A | Filing | Aug 30, 2024 | Aug 12, 2024 |
| 4/A | Filing | Aug 30, 2024 | Aug 12, 2024 |
| 4/A | Filing | Aug 30, 2024 | Aug 12, 2024 |
| 8-K/A |
Amended current report
Acquisition or sale of assets
|
Aug 26, 2024 | Aug 12, 2024 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Change to shareholder rights, Auditor change, Change in control, Officer or director change, Bylaw or fiscal year change
|
Aug 16, 2024 | Aug 12, 2024 |
| SC 13D | Ownership over 5% (active) | Aug 16, 2024 | — |
| 4 | Insider transaction | Aug 16, 2024 | Aug 12, 2024 |
| 3 | Initial insider ownership | Aug 16, 2024 | Aug 12, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 15, 2024 | — |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 3 | Initial insider ownership | Aug 14, 2024 | Aug 12, 2024 |
| 3 | Initial insider ownership | Aug 14, 2024 | Aug 12, 2024 |
| 3 | Initial insider ownership | Aug 14, 2024 | Aug 12, 2024 |
| 3 | Initial insider ownership | Aug 14, 2024 | Aug 12, 2024 |
| 3 | Initial insider ownership | Aug 14, 2024 | Aug 12, 2024 |
| 3 | Initial insider ownership | Aug 14, 2024 | Aug 12, 2024 |
| 3 | Initial insider ownership | Aug 14, 2024 | Aug 12, 2024 |
| 3 | Initial insider ownership | Aug 14, 2024 | Aug 12, 2024 |
| 3 | Initial insider ownership | Aug 14, 2024 | Aug 12, 2024 |
| 25-NSE | Delisting notice | Aug 13, 2024 | — |
| 10-Q | Quarterly report | Aug 9, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Aug 5, 2024 | Aug 2, 2024 |
| 425 | Filing | Jul 19, 2024 | — |
| 8-K |
Current report
Material agreement, New debt
|
Jul 19, 2024 | Jul 17, 2024 |
| SEC STAFF LETTER | Filing | Jul 12, 2024 | — |
| EFFECT | Filing | Jul 12, 2024 | — |
| 424B3 | Prospectus | Jul 12, 2024 | — |
| CORRESP | Letter to the SEC | Jul 11, 2024 | — |
| S-4/A | Filing | Jul 11, 2024 | — |
| S-4/A | Filing | Jul 11, 2024 | — |
| 425 | Filing | Jun 18, 2024 | — |
| 8-K |
Current report
Material agreement, New debt
|
Jun 18, 2024 | Jun 17, 2024 |
| S-4/A | Filing | Jun 17, 2024 | — |
| CORRESP | Letter to the SEC | Jun 17, 2024 | — |
| 425 | Filing | Jun 6, 2024 | — |
| 8-K |
Current report
Other events
|
Jun 6, 2024 | May 31, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
May 21, 2024 | May 17, 2024 |
| 10-Q | Quarterly report | May 20, 2024 | Mar 31, 2024 |
| UPLOAD | Letter from the SEC | May 17, 2024 | — |
| NT 10-Q | Filing | May 15, 2024 | Mar 31, 2024 |
| CORRESP | Letter to the SEC | May 3, 2024 | — |
| S-4/A | Filing | May 3, 2024 | — |
| 425 | Filing | Apr 29, 2024 | — |
| 8-K |
Current report
Material agreement, New debt
|
Apr 29, 2024 | Apr 26, 2024 |
| 10-K | Annual report | Apr 16, 2024 | Dec 31, 2023 |
| NT 10-K | Filing | Apr 2, 2024 | Dec 31, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 7, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| UPLOAD | Letter from the SEC | Feb 13, 2024 | — |
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
- CTOR (Nasdaq)
- Fiscal year ends
- September 30
- Incorporated in
- DE
- Headquarters
- Cranford, NJ
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1851484
- Former names
- TenX Keane Acquisition (until Aug 5, 2024)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.