Material Modification to Rights of Security Holders The information set forth under

Results of Operations and Financial Condition On August 14, 2026, The LGL Group, Inc. ("LGL Group" or the "Company") issued a press release announcing its financial results for the second quarter ended June 30, 2026. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference herein. The information in this Current Report on Form 8-K, including the exhibits hereto, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securiti…

of this Current Report on Form 8-K, including the exhibits hereto, shall not be considered "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be incorporated by reference into any future filings by the Company under the Securities Act of 1933, as amended, or under the Exchange Act, unless the Company expressly sets forth in such future filing that such information is…

Other Events The Board of Directors of the Company approved the commencement of the Rights Offering to purchase shares of its common stock, par value $0.01 per share (the "Common Stock") to its existing stockholders of record of the Common Stock. The record date will be set once the Securities and Exchange Commission (the "SEC") declares the Form S-1 registration statement effective. Each holder of the Common Stock as of the record date will receive one (1) subscription right for each share o…

The filing describes a modification to the compensatory arrangement for Jason Lamb, Chief Executive Officer.

Executive Chairman of the Board — Marc Gabelli: Changes to compensation arrangements for Marc Gabelli, including new equity awards and stock options.

Chief Executive Officer — Mr. Lamb: Mr. Lamb was appointed as the new Chief Executive Officer with a specified compensation arrangement.

Chief Executive Officer — Jason Lamb: Jason Lamb was appointed as the new Chief Executive Officer, while Marc Gabelli transitioned to the role of Executive Chairman.

Results of Operations and Financial Condition On November 13, 2025, The LGL Group, Inc. (the "Company") issued a press release (the "Press Release") announcing its financial results for the third quarter ended September 30, 2025. A copy of the Press Release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be considered "filed" for purposes of Section…

of this Current Report on Form 8-K, including the exhibits hereto, shall not be considered "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be incorporated by reference into any future filings by the Company under the Securities Act of 1933, as amended, or under the Exchange Act, unless the Company expressly sets forth in such future filing that such information is…

Other Events On September 17, 2025, the Board of Directors of LGL Group authorized the Company to repurchase up to 100,000 of shares of its outstanding common stock under its existing stock repurchase authorization, which had 540,000 shares remaining available for repurchase. The shares may be repurchased from time to time in the open market, in privately negotiated transactions, or by other means in accordance with applicable securities laws. The timing, manner, price, and amount of any repu…

Entry into Material Definitive Agreement On June 4, 2025, The LGL Group, Inc. (the "Company") entered into Amendment No. 1 to the Warrant Agreement ("Amendment No. 1"), by and among the Company, Computershare Inc. ("Computershare") and its wholly-owned subsidiary, Computershare Trust Company, N.A. (the "Trust Company," and together with Computershare, the "Warrant Agent"), which amends the Warrant Agreement, dated as of November 10, 2020, by and among the Company and the Warrant Agent to add…

Material Modification to Rights of Security Holders The information set forth in

of this Current Report on Form 8-K, including the exhibits hereto, shall not be considered "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be incorporated by reference into any future filings by the Company under the Securities Act of 1933, as amended, or under the Exchange Act, unless the Company expressly sets forth in such future filing that such information is…

Entry into a Material Definitive Agreement On April 15, 2025, The LGL Group, Inc. ("LGL Group" or the "Company") entered into an amended and restated subscription agreement (the "Amended Subscription Agreement") with Morgan Group Holding Co., a Delaware corporation ("MGHL"), pursuant to which, subject to the satisfaction or waiver of certain conditions set forth therein, LGL Group, via a private placement, subscribed to 1,000,000 newly issued shares of MGHL's common stock, par value $0.01 per…

Director — Vice Admiral Colin J. Kilrain, USN (Ret.): Appointment of a new director with significant military and strategic expertise.

Co-Chief Executive Officer — Timothy Foufas: Mr. Foufas resigned as Co-Chief Executive Officer, which is a significant loss for the company.

The information furnished under this Item 2.02, including Exhibit 99.1, shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities under that section and shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as otherwise expressly stated by specific reference in any such filing.

Entry into a Material Definitive Agreement On December 31, 2024, The LGL Group, Inc. ("LGL Group" or the "Company") entered into a subscription agreement (the "Subscription Agreement") with Morgan Group Holding Company, a Delaware corporation ("MGHL"), pursuant to which, subject to the satisfaction or waiver of certain conditions set forth therein, LGL Group, via a private placement, subscribed to 1,000,000 newly issued shares of MGHL's common stock, par value $0.01 per share (the "Securities…

Results of Operations and Financial Condition The information contained in

Results of Operations and Financial Condition The information contained in

Results of Operations and Financial Condition The information contained in

principal financial officer — Christopher L. Nossokoff: Mr. Christopher L. Nossokoff was promoted to principal financial officer, replacing Mr. James W. Tivy.

Results of Operations and Financial Condition The information contained in

Results of Operations and Financial Condition. The information contained in