Material Event (Form 8-K)

On May 11, 2026, Navitas Semiconductor Corporation, a Delaware corporation (the "Company"), entered into a Sales Agreement (the "Sales Agreement") with Craig-Hallum Capital Group LLC and UBS Securities LLC (together, the "Sales Agents"). The Sales Agreement provides for the offer and sale of the Company's Class A common stock, par value $0.0001 per share (the "Common Stock"), from time to time through an "at the market offering" program under which the Sales Agents will act as sales agents or principals, subject to certain limitations. Pursuant to the prospectus supplement filed by the Company on May 11, 2026 (the "ATM Prospectus Supplement"), the Company may offer and sell up to $125.0 million of shares of Common Stock pursuant to the terms of the Sales Agreement.

As of May 12, 2026, the Company has sold 6,529,666 shares with net proceeds of approximately $122.0 million, net of commissions and estimated offering expenses, under the ATM Prospectus Supplement. Assuming that all trades settle, including trades that have been processed but not yet settled, the Common Stock registered pursuant to the ATM Prospectus Supplement has been fully sold.

This Current Report shall not constitute an offer to sell or the solicitation of an offer to buy the securities discussed herein, nor shall there be any sale of such securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.