---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-298739"
form_type: "8-K"
ticker: "CPRX"
cik: "0001369568"
company_name: "CATALYST PHARMACEUTICALS, INC."
filed_at: "2026-07-08T21:29:46+00:00"
generated_at: "2026-07-08T21:32:14.155332+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Catalyst shareholders approve merger with Angelini Pharma; all directors to resign at closing

## Summary
- Stockholders approved merger with Angelini Pharma: 97,340,180 votes for, 1,143,815 against, 242,616 abstentions.
- Advisory compensation proposal for named executive officers not approved (30.5M for, 67.5M against); non-binding and not a condition to merger.
- All seven directors (McEnany, Daly, Curran, Denkhaus, Harper, Thompson, Tierney) to resign effective at merger closing; no disagreement with company.
- Merger closing subject to customary conditions; no expected closing date provided.

## SEC filing metadata
- accession: 0001193125-26-298739
- form_type: 8-K
- ticker: CPRX
- cik: 0001369568
- company_name: CATALYST PHARMACEUTICALS, INC.
- filed_at: 2026-07-08T21:29:46+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.02, 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1369568/000119312526298739/0001193125-26-298739-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1369568/000119312526298739/d109692d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-298739
- JSON: https://secwatch.observer/filing/0001193125-26-298739.json
- Plain text: https://secwatch.observer/filing/0001193125-26-298739.txt

## Key facts
- Executive change
  Tamar Thompson resigned as Director at CATALYST PHARMACEUTICALS, INC..
  - Action: resigned
  - Role: Director
  source text: each of the directors of the Company (Patrick J. McEnany; Richard J. Daly; Daniel J. Curran, M.D.; Donald A. Denkhaus; Molly Harper; Tamar Thompson; and David S. Tierney, M.D.) has indicated their intention to resign as a member of the board of directors of the Company and any committee thereof, as applicable, conditioned upon and effective as of the effective time of the Merger.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1369568/000119312526298739/0001193125-26-298739-index.htm
- Executive change
  Richard J. Daly resigned as Director at CATALYST PHARMACEUTICALS, INC..
  - Action: resigned
  - Role: Director
  source text: each of the directors of the Company (Patrick J. McEnany; Richard J. Daly; Daniel J. Curran, M.D.; Donald A. Denkhaus; Molly Harper; Tamar Thompson; and David S. Tierney, M.D.) has indicated their intention to resign as a member of the board of directors of the Company and any committee thereof, as applicable, conditioned upon and effective as of the effective time of the Merger.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1369568/000119312526298739/0001193125-26-298739-index.htm
- Executive change
  Patrick J. McEnany resigned as Director at CATALYST PHARMACEUTICALS, INC..
  - Action: resigned
  - Role: Director
  source text: each of the directors of the Company (Patrick J. McEnany; Richard J. Daly; Daniel J. Curran, M.D.; Donald A. Denkhaus; Molly Harper; Tamar Thompson; and David S. Tierney, M.D.) has indicated their intention to resign as a member of the board of directors of the Company and any committee thereof, as applicable, conditioned upon and effective as of the effective time of the Merger.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1369568/000119312526298739/0001193125-26-298739-index.htm
- Executive change
  David S. Tierney, M.D. resigned as Director at CATALYST PHARMACEUTICALS, INC..
  - Action: resigned
  - Role: Director
  source text: each of the directors of the Company (Patrick J. McEnany; Richard J. Daly; Daniel J. Curran, M.D.; Donald A. Denkhaus; Molly Harper; Tamar Thompson; and David S. Tierney, M.D.) has indicated their intention to resign as a member of the board of directors of the Company and any committee thereof, as applicable, conditioned upon and effective as of the effective time of the Merger.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1369568/000119312526298739/0001193125-26-298739-index.htm
- Executive change
  Molly Harper resigned as Director at CATALYST PHARMACEUTICALS, INC..
  - Action: resigned
  - Role: Director
  source text: each of the directors of the Company (Patrick J. McEnany; Richard J. Daly; Daniel J. Curran, M.D.; Donald A. Denkhaus; Molly Harper; Tamar Thompson; and David S. Tierney, M.D.) has indicated their intention to resign as a member of the board of directors of the Company and any committee thereof, as applicable, conditioned upon and effective as of the effective time of the Merger.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1369568/000119312526298739/0001193125-26-298739-index.htm
- Executive change
  Donald A. Denkhaus resigned as Director at CATALYST PHARMACEUTICALS, INC..
  - Action: resigned
  - Role: Director
  source text: each of the directors of the Company (Patrick J. McEnany; Richard J. Daly; Daniel J. Curran, M.D.; Donald A. Denkhaus; Molly Harper; Tamar Thompson; and David S. Tierney, M.D.) has indicated their intention to resign as a member of the board of directors of the Company and any committee thereof, as applicable, conditioned upon and effective as of the effective time of the Merger.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1369568/000119312526298739/0001193125-26-298739-index.htm
- Executive change
  Daniel J. Curran, M.D. resigned as Director at CATALYST PHARMACEUTICALS, INC..
  - Action: resigned
  - Role: Director
  source text: each of the directors of the Company (Patrick J. McEnany; Richard J. Daly; Daniel J. Curran, M.D.; Donald A. Denkhaus; Molly Harper; Tamar Thompson; and David S. Tierney, M.D.) has indicated their intention to resign as a member of the board of directors of the Company and any committee thereof, as applicable, conditioned upon and effective as of the effective time of the Merger.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1369568/000119312526298739/0001193125-26-298739-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.
