8-K current report · filed May 7, 2026

CATALYST PHARMACEUTICALS, INC. (CPRX) 8-K Current Report: May 7, 2026

Item 1.01Item 5.03Item 7.01Item 8.01CPRX overviewOriginal on SEC EDGAR

Short answer

CATALYST PHARMACEUTICALS, INC. (CPRX) filed an 8-K current report with the SEC on May 7, 2026 reporting Item 1.01 (Entry into a Material Definitive Agreement), Item 5.03 (Amendments to Articles of Incorporation or Bylaws), Item 7.01 (Regulation FD Disclosure), Item 8.01 (Other Events). Angelini Pharma acquisition at $31.50 cash per share, taking Catalyst private as a wholly owned subsidiary.

CATALYST PHARMACEUTICALS, INC. 8-K event analysis

AI summary of each reported item and its exhibits

Item 1.01 · Entry into a Material Definitive Agreement

  • Angelini Pharma acquisition at $31.50 cash per share, taking Catalyst private as a wholly owned subsidiary
  • Closing targeted for Q3 2026, subject to shareholder approval, HSR clearance, and other customary conditions
  • No financing condition, with Parent funding the transaction through cash on hand and debt financing
  • $155.5M termination fee creates significant deterrence against competing bids or deal failure under specified circumstances
  • Directors and executive officers committed their shares to support the merger and oppose competing proposals

Item 5.03 · Amendments to Articles of Incorporation or Bylaws

  • Board-approved amendment to Article VIII, Section 8.1 of Catalyst Pharmaceuticals’ bylaws
  • Forum Selection Amendment governs where certain shareholder or corporate litigation may be filed
  • Exhibit 3.1 contains the operative language and determines the amendment’s scope
  • Shareholder litigation venue options may narrow, affecting future legal strategy and costs

Item 7.01 · Regulation FD Disclosure

  • Catalyst Pharmaceuticals and Parent announced execution of a merger agreement
  • Exhibit 99.1 contains the transaction announcement and substantive deal details
  • Disclosure furnished under Regulation FD, limiting its status as a filed report

Item 8.01 · Other Events

  • FIRDAPSE generic entry by Hetero deferred until January 2035, subject to FDA approval and customary settlement exceptions
  • Settlement terminates Hetero patent litigation against Catalyst and licensor SERB in New Jersey federal court
  • Extended exclusivity supports long-term FIRDAPSE revenue protection and reduces near-term generic pricing pressure
  • Settlement Agreement requires review by the Federal Trade Commission and Department of Justice

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