Prospectus

Summary

This summary has not passed every source check. Confirm figures against the original document.

• For the three months ended June 30, 2026, Firefly reported revenue of $117,683 thousand versus $15,549 thousand in the prior-year quarter, with a net loss of $92,319 thousand.
• For the six months ended June 30, 2026, revenue was $198,562 thousand and net loss was $188,995 thousand, and the company had an accumulated deficit of $1.2 billion as of June 30, 2026.
• Cash and cash equivalents were $459,817 thousand as of June 30, 2026, down from $792,966 thousand at December 31, 2025, and the company repaid $260,000 thousand on its Revolving Credit Facility during the period.
• On June 23, 2026, Firefly acquired Space-ng Inc. for purchase consideration of $16.0 million, issuing 515,767 shares of common stock and recording $13.5 million of goodwill.
• This prospectus supplement covers up to 11,111,116 shares of common stock held by selling securityholders who received them as consideration in the SciTec Innovations, LLC acquisition.
• As of August 6, 2026, Firefly had 167,404,645 shares of common stock outstanding, and the closing price on August 10, 2026 was $25.76 per share.

Why it mattersThe filing attaches Firefly's first full quarterly results as a public company, showing sharply higher revenue driven by the SciTec acquisition alongside continued operating losses and a declining cash balance after debt repayment.