---
title: "Catalyst Pharmaceuticals directors resign; Merger Sub directors join board"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/292887991.md"
description: "Catalyst Pharmaceuticals' entire board resigned and was replaced by directors from Merger Sub upon the merger's effective time. This change, resulting from the consummation of a merger agreement, involved seven outgoing directors and three incoming directors who became members of the Surviving Corporation's board."
datetime: "2026-07-16T10:03:00.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/292887991.md)
  - [en](https://longbridge.com/en/news/292887991.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/292887991.md)
---

# Catalyst Pharmaceuticals directors resign; Merger Sub directors join board

**Catalyst Pharmaceuticals saw its entire board resign and be replaced by the Merger Sub directors as of the Merger's Effective Time.**

Individual

Patrick J. McEnany

Richard J. Daly

Daniel J. Curran, M.D.

Donald A. Denkhaus

Molly Harper

Tamar Thompson

David S. Tierney, M.D.

Sergio Marullo di Condojanni

Massimo Marin

Enrica Dogali

Role

Director

Director

Director

Director

Director

Director

Director

Director (Merger Sub → Surviving Corporation)

Director (Merger Sub → Surviving Corporation)

Director (Merger Sub → Surviving Corporation)

Type of Change

Resigned

Resigned

Resigned

Resigned

Resigned

Resigned

Resigned

Appointed

Appointed

Appointed

Effective Date

Effective Time (of Merger)

Effective Time (of Merger)

Effective Time (of Merger)

Effective Time (of Merger)

Effective Time (of Merger)

Effective Time (of Merger)

Effective Time (of Merger)

Effective Time (of Merger)

Effective Time (of Merger)

Effective Time (of Merger)

Reason

Consummation of Merger (per Merger Agreement)

Consummation of Merger (per Merger Agreement)

Consummation of Merger (per Merger Agreement)

Consummation of Merger (per Merger Agreement)

Consummation of Merger (per Merger Agreement)

Consummation of Merger (per Merger Agreement)

Consummation of Merger (per Merger Agreement)

Consummation of Merger (per Merger Agreement)

Consummation of Merger (per Merger Agreement)

Consummation of Merger (per Merger Agreement)

Replacement Info

Sergio Marullo di Condojanni and others (see columns)

Sergio Marullo di Condojanni and others (see columns)

Sergio Marullo di Condojanni and others (see columns)

Sergio Marullo di Condojanni and others (see columns)

Sergio Marullo di Condojanni and others (see columns)

Sergio Marullo di Condojanni and others (see columns)

Sergio Marullo di Condojanni and others (see columns)

N/A

N/A

N/A

Background Details

Not disclosed

Not disclosed

Not disclosed

Not disclosed

Not disclosed

Not disclosed

Not disclosed

Former directors of Merger Sub

Former directors of Merger Sub

Former directors of Merger Sub

Board/Committee Role Changes

Ceased to be directors and members of any committees

Ceased to be directors and members of any committees

Ceased to be directors and members of any committees

Ceased to be directors and members of any committees

Ceased to be directors and members of any committees

Ceased to be directors and members of any committees

Ceased to be directors and members of any committees

Became directors of the Surviving Corporation

Became directors of the Surviving Corporation

Became directors of the Surviving Corporation

Original SEC Filing: CATALYST PHARMACEUTICALS, INC. \[ CPRX \] - 8-K - Jul. 15, 2026

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