Ingalls & Snyder LLC Reduces Stake in Omeros Corp Below 5% Threshold

On April 23, 2026, Ingalls & Snyder LLC filed an amendment to its Schedule 13G (Amendment No. 14) regarding its holdings in Omeros Corp (OMER). As of the event date of December 31, 2025, the firm reported beneficial ownership of 3,466,268 shares of common stock, representing a 4.8% ownership stake in the company. This filing indicates that the firm's ownership has dropped below the 5% threshold, as noted by the affirmative response in Item 5 regarding ownership of 5% or less. Ingalls & Snyder LLC, acting as a registered broker-dealer and investment advisor, reported shared dispositive power over all 3,466,268 shares, which includes shares held in accounts managed under investment advisory contracts. The share count also assumes the conversion of $550,000 Omeros 5.25% notes due February 15, 2026. The filing confirms that the securities were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer.