---
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)
---

# 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

- [Crane Earnings: What To Look For From CR](https://longbridge.com/en/news/293874632.md)
- [Nvidia eyes OpenAI, SK Hynix deals—why the stock still looks like a chip laggard](https://longbridge.com/en/news/293933024.md)
- [Nuclear Energy Stocks For AI Power Demand Investors Should Watch](https://longbridge.com/en/news/294427170.md)
- [REG - Lloyds Banking Group - Notice of Push Down Election](https://longbridge.com/en/news/294386844.md)
- [Honeywell Process Technologies Pres/CEO Kenneth J. West disposes of 17,032 shares worth $4,152,700.64](https://longbridge.com/en/news/294253950.md)