HALLADOR ENERGY CO 8-K

What Happened
On March 12, 2026, Hallador Energy Company announced its fourth quarter and full year 2025 financial and operating results in a press release. The company furnished that press release as Exhibit 99.1 to a Form 8-K (Item 2.02 — Results of Operations and Financial Condition). The report is signed by CFO Todd E. Telesz.

Key Details

• Date filed: March 12, 2026 (Form 8-K)
• Event: Announcement of Q4 2025 and full year 2025 financial and operating results (press release attached as Exhibit 99.1)
• Form items reported: Item 2.02 (Results of Operations and Financial Condition) and Item 9.01 (exhibit filing, including Exhibit 99.1 and Inline XBRL cover page)
• Authorized signatory: Todd E. Telesz, Chief Financial Officer

Why It Matters
This filing notifies investors that Hallador has released its latest earnings and operating metrics for 2025. Those results (revenue, net income, production and operating metrics, cash flow, and any management commentary) are material to assessing the company’s recent performance and near-term prospects. Retail investors should read the attached press release and any accompanying financials or subsequent filings to see the specific figures and management discussion before making decisions.