--- title: "Diamond Hill directors Heather E. Brilliant, Richard S. Cooley and six others resign after merger" type: "News" locale: "en" url: "https://longbridge.com/en/news/283677313.md" description: "Diamond Hill directors Heather E. Brilliant, Richard S. Cooley, and six others have resigned from the board effective at the closing of the merger. The resignations are in connection with the completion of the merger, and the directors of the merger subsidiary will become the sole directors. The specific reasons for the resignations were not disclosed." datetime: "2026-04-22T13:33:01.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/283677313.md) - [en](https://longbridge.com/en/news/283677313.md) - [zh-HK](https://longbridge.com/zh-HK/news/283677313.md) generator: "portal-rs" --- # Diamond Hill directors Heather E. Brilliant, Richard S. Cooley and six others resign after merger **Diamond Hill directors Heather E. Brilliant, Richard S. Cooley, Gordon B. Fowler, Austin Hawley, Paula R. Meyer, Diane C. Nordin, Nicole R. St. Pierre and L’Quentus Thomas resigned from the board effective at the Merger closing.** Individual Heather E. Brilliant Richard S. Cooley Gordon B. Fowler Austin Hawley Paula R. Meyer Diane C. Nordin Nicole R. St. Pierre L’Quentus Thomas Role Director Director Director Director Director Director Director Director Type of Change Resigned Resigned Resigned Resigned Resigned Resigned Resigned Resigned Effective Date Effective Time (closing of Merger) Effective Time (closing of Merger) Effective Time (closing of Merger) Effective Time (closing of Merger) Effective Time (closing of Merger) Effective Time (closing of Merger) Effective Time (closing of Merger) Effective Time (closing of Merger) Reason Resigned in connection with completion of Merger Resigned in connection with completion of Merger Resigned in connection with completion of Merger Resigned in connection with completion of Merger Resigned in connection with completion of Merger Resigned in connection with completion of Merger Resigned in connection with completion of Merger Resigned in connection with completion of Merger Replacement Info Directors of Merger Sub became sole directors Directors of Merger Sub became sole directors Directors of Merger Sub became sole directors Directors of Merger Sub became sole directors Directors of Merger Sub became sole directors Directors of Merger Sub became sole directors Directors of Merger Sub became sole directors Directors of Merger Sub became sole directors Background Details Not disclosed Not disclosed Not disclosed Not disclosed Not disclosed Not disclosed Not disclosed Not disclosed Board/Committee Role Changes Resigned from board and committees Resigned from board and committees Resigned from board and committees Resigned from board and committees Resigned from board and committees Resigned from board and committees Resigned from board and committees Resigned from board and committees Original SEC Filing: DIAMOND HILL INVESTMENT GROUP INC \[ DHIL \] - 8-K - Apr. 22, 2026 **Disclaimer** This is an AI-powered summary. It may contain inaccuracies. Consider verifying important information with the source. Please note this summary is solely based on documents filed with the SEC. ### Related Stocks - [DHIL.US](https://longbridge.com/en/quote/DHIL.US.md) ## Related News & Research - [How Investors May Respond To Hitachi (TSE:6501) Expanding Its Physical AI And Cyber Resilience Platform](https://longbridge.com/en/news/298240846.md) - [XMTR: Digital transformation and AI integration are driving rapid, margin-optimized growth in custom manufacturing](https://longbridge.com/en/news/298375816.md) - [Hyperscale Data Executive Chairman Milton C. Ault III reports $413,018 purchase of common shares](https://longbridge.com/en/news/298360626.md) - [Allegro MicroSystems (ALGM) Could Be 33% Below Fair Value As Growth Hopes Return](https://longbridge.com/en/news/298133540.md) - [Studio Investment Management LLC Invests $2.58 Million in Honeywell International Inc. $HON](https://longbridge.com/en/news/298197170.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**