8-K current report · filed Apr 2, 2026

Esperion Therapeutics, Inc. (ESPR) 8-K Current Report: April 2, 2026

Item 1.01Item 2.01Item 7.01ESPR overview

Short answer

Esperion Therapeutics, Inc. (ESPR) filed an 8-K current report with the SEC on April 2, 2026 reporting Item 1.01 (Entry into a Material Definitive Agreement), Item 2.01 (Completion of Acquisition or Disposition of Assets), Item 7.01 (Regulation FD Disclosure). $25M term loan fully drawn to help finance Corstasis acquisition.

Esperion Therapeutics, Inc. 8-K event analysis

AI summary of each reported item and its exhibits

Item 1.01 · Entry into a Material Definitive Agreement

  • $25M term loan fully drawn to help finance Corstasis acquisition
  • Loan repayment before April 2, 2028 triggers make-whole interest plus 3% premium
  • Repayment premiums decline to 3% through April 2, 2029 and 1% through April 2, 2030
  • $50M upfront royalty monetization from Otsuka Territory receivables
  • Purchaser receives 100% of receivables until collecting $100M, after which royalties revert to Esperion

Item 2.01 · Completion of Acquisition or Disposition of Assets

  • Esperion completed Corstasis Therapeutics’ merger on April 2, 2026, making Corstasis a wholly owned subsidiary
  • $75 million cash upfront consideration, subject to customary and post-closing adjustments
  • Additional milestone payments up to $180 million tied to regulatory approvals and commercial sales
  • Future royalty and licensing-revenue payments create additional contingent acquisition costs linked to product sales

Item 7.01 · Regulation FD Disclosure

  • April 2, 2026 press release announced closing of the Merger
  • Amendment executed alongside the Merger closing, indicating modified transaction terms
  • Royalty Purchase Agreement entered, creating a separate royalty-related transaction
  • Exhibit 99.1 contains the substantive deal details investors need for valuation and obligations

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