Supernus, Inc. filed a Form 8-K on November 3, 2026, disclosing an increase in the conversion rate of its 0.625% Convertible Senior Notes due 2031 following a Special Dividend declared by its board on September 16, 2026.

Key Highlights

  • Conversion rate increased: The rate per $1,000 principal amount of Notes rose from 24.0033 shares to 30.9355 shares of common stock, according to the filing.
  • New conversion price: The filing states the adjusted conversion rate reflects a conversion price of approximately $32.33 per share.
  • Trigger event: The adjustment was the result of a Special Dividend declared by the company's board on September 16, 2026, as disclosed in the filing.
  • No conversions executed: The filing states that no bondholders converted their bonds for common stock.
  • Governing indenture: The adjustment is made pursuant to the Indenture dated March 17, 2026, between the company and U.S. Bank Trust Company, National Association.
  • Company identity: The registrant is Supernus, Inc., formerly known as Indivior Pharmaceuticals, Inc., listed on NASDAQ:SUPN.

Conversion Rate Adjustment on Supernus 0.625% Senior Notes due 2031

Supernus, Inc. (NASDAQ:SUPN), formerly known as Indivior Pharmaceuticals, Inc., reported that the conversion rate on its 0.625% Convertible Senior Notes due 2031 has been adjusted upward under the terms of the governing Indenture dated March 17, 2026. According to the filing, the conversion rate per $1,000 principal amount of Notes increased from 24.0033 shares to 30.9355 shares of the company's common stock, which the filing states reflects a conversion price of approximately $32.33 per share.

The company disclosed that this adjustment was triggered by a Special Dividend declared by the company's board of directors on September 16, 2026. The Indenture, entered into between Supernus and U.S. Bank Trust Company, National Association as trustee, provides for customary adjustments to the conversion rate upon the occurrence of certain events, and the filing identifies the Special Dividend as such an event in this instance.

The filing also noted that the conversion rate remains subject to further customary adjustments upon the occurrence of certain other events as described in the Indenture. As of the date of the filing, the company reported that no bondholders converted their bonds for common stock. The 8-K was signed by Timothy C. Dec, Senior Vice President and Chief Financial Officer of Supernus, Inc.

What Was Disclosed

Supernus, Inc. disclosed in a November 3, 2026 Form 8-K that the conversion rate on its 0.625% Convertible Senior Notes due 2031 was raised from 24.0033 to 30.9355 shares per $1,000 principal, following a Special Dividend declared September 16, 2026, with no bondholders having converted.