Nature of Operations, Basis of Presentation and Summary of Significant Accounting Policies	9 Months Ended
Jun. 30, 2026
Nature of Operations, Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
NATURE OF OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	1. NATURE OF OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES *Business* Citius Pharmaceuticals, Inc. (“Citius Pharma,” and together with its subsidiaries, the “Company”, “we” or “us”) is a late-stage biopharmaceutical company dedicated to the development and commercialization of first-in-class critical care products with a focus on oncology, anti-infectives in adjunct cancer care, unique prescription products and stem cell therapies. On March 30, 2016, Citius Pharma acquired Leonard-Meron Biosciences, Inc. (“LMB”) as a wholly-owned subsidiary. We acquired all the outstanding stock of LMB by issuing shares of our common stock. The net assets acquired included identifiable intangible assets of $19,400,000 related to in-process research and development. We recorded goodwill of $9,346,796 for the excess of the purchase price over the net assets acquired. On September 11, 2020, we formed NoveCite, Inc. (“NoveCite”), a Delaware corporation, of which we own 75% of the issued and outstanding capital stock (see Note 7). On August 23, 2021, we formed Citius Oncology, Inc. (“Citius Oncology”), as a wholly-owned subsidiary in conjunction with the acquisition of LYMPHIR, which began operations in April 2022. On August 12, 2024, Citius Pharma and Citius Oncology entered into a merger agreement with TenX Keane Acquisition, and its wholly owned subsidiary, TenX Merger Sub Inc (“Merger Sub”), whereby Merger Sub merged with and into Citius Oncology. After the merger and recapitalization (the “Merger”), the newly combined publicly traded company was owned 92.3% by Citius Pharma, and is named “Citius Oncology, Inc.” (Nasdaq: CTOR). As of June 30, 2026, Citius Pharma owned approximately 62% of Citius Oncology. Since our inception, we have devoted substantially all our efforts to business planning, research and development, recruiting management and technical staff, and raising capital. We are subject to a number of risks common to companies in the pharmaceutical industry including, but not limited to, the Company’s ability to obtain additional financing, risks related to the development by the Company or its competitors of research and development stage products, regulatory approval and market acceptance of its products, competition from larger companies, dependence on key personnel, dependence on key suppliers and strategic partners and the Company’s compliance with governmental and other regulations. *Basis of Presentation and Summary of Significant Accounting Policies* Basis of Preparation - The accompanying unaudited condensed consolidated financial statements include the operations of Citius Pharmaceuticals, Inc., its wholly-owned subsidiary LMB and its majority-owned subsidiaries NoveCite and Citius Oncology. On August 12, 2024, Citius Oncology, previously a wholly-owned subsidiary, became a majority-owned subsidiary. As of June 30, 2026, Citius Oncology was approximately a 62% majority-owned subsidiary. The operations of NoveCite and Citius Oncology are included in the consolidated results. The portion of equity that is not attributable to the Company is presented as a non-controlling interest within stockholders’ equity. Unless excluded by shareholder agreements, the portion of net loss attributable to non-controlling interests is included in the statement of operations. All significant inter-company balances and transactions have been eliminated in consolidation. The accompanying unaudited condensed consolidated financial statements of the Company have been prepared on the same basis as the annual consolidated financial statements and, in the opinion of management, reflect all adjustments, which include only normal recurring adjustments, necessary to fairly state the condensed consolidated financial position of the Company as of June 30, 2026, and the results of its operations and cash flows for the three and nine months ended June 30, 2026 and 2025. The operating results for the three and nine months ended June 30, 2026 are not necessarily indicative of the results that may be expected for the year ending September 30, 2026. These unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended September 30, 2025 filed with the Securities and Exchange Commission (“SEC”) on December 23, 2025, as amended on January 28, 2026. Use of Estimates - The process of preparing financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of financial statements and the reported amounts of revenues and expenses during the reporting period. Estimates having relatively higher significance include the accounting for revenue recognition, in-process research and development, stock-based compensation, net realizable value of inventory and income taxes. Actual results could differ from those estimates and changes in estimates may occur. Basic and Diluted Net Loss per Common Share - Basic and diluted net loss per common share applicable to common stockholders is computed by dividing net loss applicable to common stockholders in each period by the weighted average number of shares of common stock outstanding during such period. For the periods presented, common stock equivalents, consisting of stock options and warrants, were not included in the calculation of the diluted loss per share because they were anti-dilutive, with pre-funded warrants being included in the loss per share. *Recently Issued Accounting Standards* Other than as disclosed in our Form 10-K, we are not aware of any other recently issued accounting standards not yet adopted that may have a material impact on our financial statements.

Nature of Operations, Basis of Presentation and Summary of Significant Accounting Policies

9 Months Ended

Jun. 30, 2026

Nature of Operations, Basis of Presentation and Summary of Significant Accounting Policies [Abstract]

NATURE OF OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

1. NATURE OF OPERATIONS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Business

Citius Pharmaceuticals, Inc. (“Citius Pharma,” and together with its subsidiaries, the “Company”, “we” or “us”) is a late-stage biopharmaceutical company dedicated to the development and commercialization of first-in-class critical care products with a focus on oncology, anti-infectives in adjunct cancer care, unique prescription products and stem cell therapies.

On March 30, 2016, Citius Pharma acquired Leonard-Meron Biosciences, Inc. (“LMB”) as a wholly-owned subsidiary. We acquired all the outstanding stock of LMB by issuing shares of our common stock. The net assets acquired included identifiable intangible assets of $19,400,000 related to in-process research and development. We recorded goodwill of $9,346,796 for the excess of the purchase price over the net assets acquired.

On September 11, 2020, we formed NoveCite, Inc. (“NoveCite”), a Delaware corporation, of which we own 75% of the issued and outstanding capital stock (see Note 7).

On August 23, 2021, we formed Citius Oncology, Inc. (“Citius Oncology”), as a wholly-owned subsidiary in conjunction with the acquisition of LYMPHIR, which began operations in April 2022. On August 12, 2024, Citius Pharma and Citius Oncology entered into a merger agreement with TenX Keane Acquisition, and its wholly owned subsidiary, TenX Merger Sub Inc (“Merger Sub”), whereby Merger Sub merged with and into Citius Oncology. After the merger and recapitalization (the “Merger”), the newly combined publicly traded company was owned 92.3% by Citius Pharma, and is named “Citius Oncology, Inc.” (Nasdaq: CTOR). As of June 30, 2026, Citius Pharma owned approximately 62% of Citius Oncology.

Since our inception, we have devoted substantially all our efforts to business planning, research and development, recruiting management and technical staff, and raising capital. We are subject to a number of risks common to companies in the pharmaceutical industry including, but not limited to, the Company’s ability to obtain additional financing, risks related to the development by the Company or its competitors of research and development stage products, regulatory approval and market acceptance of its products, competition from larger companies, dependence on key personnel, dependence on key suppliers and strategic partners and the Company’s compliance with governmental and other regulations.

Basis of Presentation and Summary of Significant Accounting Policies

Basis of Preparation - The accompanying unaudited condensed consolidated financial statements include the operations of Citius Pharmaceuticals, Inc., its wholly-owned subsidiary LMB and its majority-owned subsidiaries NoveCite and Citius Oncology. On August 12, 2024, Citius Oncology, previously a wholly-owned subsidiary, became a majority-owned subsidiary. As of June 30, 2026, Citius Oncology was approximately a 62% majority-owned subsidiary.

The operations of NoveCite and Citius Oncology are included in the consolidated results. The portion of equity that is not attributable to the Company is presented as a non-controlling interest within stockholders’ equity. Unless excluded by shareholder agreements, the portion of net loss attributable to non-controlling interests is included in the statement of operations. All significant inter-company balances and transactions have been eliminated in consolidation.

The accompanying unaudited condensed consolidated financial statements of the Company have been prepared on the same basis as the annual consolidated financial statements and, in the opinion of management, reflect all adjustments, which include only normal recurring adjustments, necessary to fairly state the condensed consolidated financial position of the Company as of June 30, 2026, and the results of its operations and cash flows for the three and nine months ended June 30, 2026 and 2025. The operating results for the three and nine months ended June 30, 2026 are not necessarily indicative of the results that may be expected for the year ending September 30, 2026. These unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended September 30, 2025 filed with the Securities and Exchange Commission (“SEC”) on December 23, 2025, as amended on January 28, 2026.

Use of Estimates - The process of preparing financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of financial statements and the reported amounts of revenues and expenses during the reporting period. Estimates having relatively higher significance include the accounting for revenue recognition, in-process research and development, stock-based compensation, net realizable value of inventory and income taxes. Actual results could differ from those estimates and changes in estimates may occur.

Basic and Diluted Net Loss per Common Share - Basic and diluted net loss per common share applicable to common stockholders is computed by dividing net loss applicable to common stockholders in each period by the weighted average number of shares of common stock outstanding during such period. For the periods presented, common stock equivalents, consisting of stock options and warrants, were not included in the calculation of the diluted loss per share because they were anti-dilutive, with pre-funded warrants being included in the loss per share.

Recently Issued Accounting Standards

Other than as disclosed in our Form 10-K, we are not aware of any other recently issued accounting standards not yet adopted that may have a material impact on our financial statements.