Dianthus raises $673.5M in public offering, selling 8.5M shares at $81 with full overallotment

Filed March 12, 2026 · Period ending March 10, 2026 · ~1 min read

Key Changes

• high

  Company completed public offering of 7.3M shares at $81/share plus 402K pre-funded warrants, raising approximately $673.5M net of fees after underwriters exercised full 1.16M share overallotment option.

  Item 1.01, 8.01 verify on EDGAR →
• high

  Offering represents approximately 8.5M shares total (including warrants), creating significant dilution for existing shareholders but substantially strengthening balance sheet with immediate capital infusion.

  Item 1.01 verify on EDGAR →
• medium

  Strong institutional demand evidenced by underwriters exercising full overallotment option on March 11, one day after pricing, suggesting positive market reception at $81 price point.

  Item 1.01 verify on EDGAR →