The Schall Law Firm, a national shareholder rights litigation firm, announces that it is investigating claims on behalf of investors of Harmony Biosciences Holdings, Inc. (“Harmony” or “the Company”) (NASDAQ: HRMY) for violations of the securities laws.

The investigation focuses on whether the Company issued false and/or misleading statements and/or failed to disclose information pertinent to investors. Harmony announced on February 19, 2025, that it had received a "Refusal to File" (RTF) letter from the U.S. Food and Drug Administration (FDA) for pitolisant for the treatment of excessive daytime sleepiness (EDS) in adult patients with idiopathic hypersomnia (IH)." The Company added, "the primary outcome for EDS between pitolisant and placebo did not reach statistical significance in the randomized withdrawal phase of the Phase 3 INTUNE Study." Based on this news, shares of Harmony fell by 9.64% on the same day.

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We also encourage you to contact Brian Schall of the Schall Law Firm, 2049 Century Park East, Suite 2460, Los Angeles, CA 90067, at 310-301-3335, to discuss your rights free of charge. You can also reach us through the firm's website at www.schallfirm.com, or by email at bschall@schallfirm.com.

The Schall Law Firm represents investors around the world and specializes in securities class action lawsuits and shareholder rights litigation.

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