8-K current report · filed Sep 23, 2026

Solaris Energy Infrastructure, Inc. (SEI) 8-K Current Report: September 23, 2026

Item 1.01Item 8.01Item EX-99.1SEI overview

Short answer

Solaris Energy Infrastructure, Inc. (SEI) filed an 8-K current report with the SEC on September 23, 2026 reporting Item 1.01 (Entry into a Material Definitive Agreement), Item 8.01 (Other Events), Item EX-99.1 (Exhibit EX-99.1). Item 1.01 references Exhibit 99.1 for the material agreement’s substantive terms.

Solaris Energy Infrastructure, Inc. 8-K event analysis

AI summary of each reported item and its exhibits

Item 1.01 · Entry into a Material Definitive Agreement

  • Item 1.01 references Exhibit 99.1 for the material agreement’s substantive terms
  • Investors should review the attached press release for counterparties, obligations, financial terms, and strategic significance

Item 8.01 · Other Events

  • Solaris Energy Infrastructure priced notes on September 22, 2026
  • Debt issuance creates a financing event requiring investors to assess leverage and future interest obligations
  • Pricing details and note terms appear in the referenced press release

Item EX-99.1 · Exhibit EX-99.1

  • $1.25B senior notes priced at 7.000%, upsized from $1.0B, signaling strong institutional demand
  • Maturity April 1, 2032; annual interest obligation of $87.5M before fees and expenses
  • Proceeds targeted for growth capital expenditures, general corporate purposes, and offering costs
  • Senior unsecured guarantees from Solaris and qualifying subsidiaries, increasing group-wide creditor obligations
  • Expected closing October 1, 2026, subject to customary conditions

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