Welcome to our dedicated page for York Space Systems (Yellowstone) SEC filings (Ticker: YSS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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York Space Systems Inc. priced its initial public offering of common stock at $34.00 per share and agreed to sell 18,500,000 shares under an underwriting agreement with Goldman Sachs, Jefferies and Wells Fargo. Underwriters received a 30‑day option to buy up to 2,775,000 additional shares, and the offering closed with share delivery on January 30, 2026.
In connection with the IPO, York converted from a Delaware LLC to a Delaware corporation, adopted a new certificate of incorporation and bylaws, and appointed seven directors to its board. The company also adopted the 2026 Omnibus Incentive Plan and entered into indemnification agreements with directors and executive officers, along with various tax receivable, registration rights, voting, director nomination and consulting agreements detailed in attached exhibits.