Organization and Basis of Presentation	9 Months Ended
Sep. 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Basis of Presentation	1. Organization and Basis of Presentation Description of Business Karman Holdings Inc. (the “Company”) conducts business as Karman Space and Defense (“Karman”). Karman is headquartered in Huntington Beach, California. It currently operates through multiple subsidiaries in California, Washington, Oregon, Utah, Mississippi, Pennsylvania, South Carolina and Alabama, as well as Scotland, England and Poland. Karman specializes in the rapid design, development and production of mission-critical, next-generation system solutions for launch vehicle, satellite, spacecraft, missile defense, hypersonic and Unmanned Aircraft Systems (“UAS”) customers. Karman’s integrated payload protection, propulsion, and hydro/aerodynamic interstage system solutions are deployed across a wide variety of existing and emerging programs supporting priority Department of War (“DoW”) and space sector initiatives. Initial Public Offering On February 12, 2025, the Company’s Registration Statement on Form S-1 (the “Registration Statement”) for its initial public offering (the “IPO”) was declared effective. Prior to the effectiveness of the Registration Statement, the Company was a Delaware limited liability company named TCFIII Spaceco Holdings LLC. On February 12, 2025, the Company converted into a Delaware corporation and changed its name to Karman Holdings Inc. Pursuant to the conversion, all outstanding equity interests and all outstanding P Units were converted into an aggregate of 123.8 million shares of common stock of Karman Holdings Inc. On February 14, 2025, the Company completed the IPO of 26.5 million shares of its common stock at a public offering price of $22.00 per share, of which 8.4 million shares were sold by the Company. The aggregate net proceeds from the offering, after deducting underwriting discounts and commissions, payments to Phantom Unit holders and other offering expenses, were approximately $147.3 million. See Note 10 and Note 11 for additional information. Basis of Presentation The condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) applicable to Quarterly Reports on Form 10-Q. Accordingly, they do not include all of the information and footnote disclosures required by GAAP for complete annual financial statements. In the opinion of management, the condensed consolidated financial statements reflect all adjustments, consisting only of normal recurring adjustments, considered necessary for a fair statement of the Company’s financial position, results of operations, and cash flows. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and the notes thereto included in the Company’s Annual Report on Form 10‑K for the fiscal year ended December 31, 2025. The results of operations for interim periods are not necessarily indicative of results to be expected for the full fiscal year.

Karman Holdings Inc. (the “Company”) conducts business as Karman Space and Defense (“Karman”). Karman is headquartered in Huntington Beach, California. It currently operates through multiple subsidiaries in California, Washington, Oregon, Utah, Mississippi, Pennsylvania, South Carolina and Alabama, as well as Scotland, England and Poland.

Karman specializes in the rapid design, development and production of mission-critical, next-generation system solutions for launch vehicle, satellite, spacecraft, missile defense, hypersonic and Unmanned Aircraft Systems (“UAS”) customers. Karman’s integrated payload protection, propulsion, and hydro/aerodynamic interstage system solutions are deployed across a wide variety of existing and emerging programs supporting priority Department of War (“DoW”) and space sector initiatives.

On February 12, 2025, the Company’s Registration Statement on Form S-1 (the “Registration Statement”) for its initial public offering (the “IPO”) was declared effective. Prior to the effectiveness of the Registration Statement, the Company was a Delaware limited liability company named TCFIII Spaceco Holdings LLC. On February 12, 2025, the Company converted into a Delaware corporation and changed its name to Karman Holdings Inc. Pursuant to the conversion, all outstanding equity interests and all outstanding P Units were converted into an aggregate of 123.8 million shares of common stock of Karman Holdings Inc.

On February 14, 2025, the Company completed the IPO of 26.5 million shares of its common stock at a public offering price of $22.00 per share, of which 8.4 million shares were sold by the Company. The aggregate net proceeds from the offering, after deducting underwriting discounts and commissions, payments to Phantom Unit holders and other offering expenses, were approximately $147.3 million. See Note 10 and Note 11 for additional information.

Basis of Presentation

The condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) applicable to Quarterly Reports on Form 10-Q. Accordingly, they do not include all of the information and footnote disclosures required by GAAP for complete annual financial statements. In the opinion of management, the condensed consolidated financial statements reflect all adjustments, consisting only of normal recurring adjustments, considered necessary for a fair statement of the Company’s financial position, results of operations, and cash flows. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and the notes thereto included in the Company’s Annual Report on Form 10‑K for the fiscal year ended December 31, 2025. The results of operations for interim periods are not necessarily indicative of results to be expected for the full fiscal year.