York Space Systems Inc.

424B4 priced

Price $34.00 · 18,500,000 shares · Gross proceeds $592,832,500

8-A12B effective

CERT inactive

EFFECT effective

S-1/A amended

Price $32.00 · Range $30.00 to $34.00 · 16,000,000 shares · Gross proceeds $512,000,000

York Space Systems Inc. reported a 59% revenue increase to $280.85 million for the nine months ended September 30, 2025, driven by a large SDA contract and improved margins. Gross profit surged 224% to $54.4 million, but net loss widened to $56.04 million due to higher operating expenses and tax charges. Key factors include $10.8 million in net favorable EAC adjustments, a $15.9 million tax expense from the ATLAS acquisition, and impacts from the OBBBA tax law changes.

S-1/A amended

Range $30.00 to $34.00 · 16,000,000 shares · Gross proceeds $512,000,000

York Space Systems Inc. is conducting its initial public offering (IPO) of 16,000,000 shares of common stock, with an anticipated price range of $30.00 to $34.00 per share. The company, previously a Delaware LLC, will convert to a corporation and rebrand as York Space Systems Inc. The IPO is underwritten by major firms including Goldman Sachs, Jefferies, and J.P. Morgan. AE Industrial Partners will hold significant voting control, positioning the company as a 'controlled company' under NYSE rules. The filing highlights risks related to ownership structure, reliance on government contracts, and regulatory approvals.

S-1/A amended

York Space Systems Inc. is conducting an initial public offering (IPO) of its common stock, transitioning from Yellowstone Midco Holdings II, LLC to a Delaware corporation. The company, focused on providing mission-critical space and defense solutions, anticipates an IPO price range and plans to list on the NYSE under 'YSS.' AE Industrial Partners LP will hold significant voting control, making York a 'controlled company' under NYSE rules. The filing highlights risks related to regulatory approvals, customer concentration, and the company's emerging growth status.

S-1 filed

York Space Systems Inc. is transitioning from a Delaware LLC to a corporation and conducting an initial public offering (IPO) of its common stock. The company provides mission-critical space and defense solutions for national security, government, and commercial customers, specializing in proprietary hardware and software for the entire space ecosystem. It is the leading provider to the U.S. Department of Defense's Proliferated Warfighter Space Architecture (PWSA) and has demonstrated unique capabilities like space-based Link-16 connectivity. The IPO aims to raise capital for growth, with shares expected to list on the NYSE under the symbol "YSS." The filing highlights risks related to AE Industrial Partners' controlling stake, reliance on government contracts, and market competition.

DRS filed

York Space Systems Inc. is filing a Form S-1 for its initial public offering (IPO), transitioning from a Delaware limited liability company to a corporation. The offering involves the sale of common stock, with an estimated price range and anticipated listing on a stock exchange. The company highlights its position as a leading space and defense prime contractor, specializing in mission-critical solutions for national security, government, and commercial customers. Key risks include AE Industrial Partners' controlling stake, reliance on U.S. Department of Defense contracts, and uncertainties around listing approval. The company is an emerging growth company under the JOBS Act.