8-K
filed May 7, 2026, 7:59 PM ET
ticker CPRX
CIK 0001369568
M&A
confidence high
sentiment positive
materiality 1.00
Angelini Pharma to acquire Catalyst Pharma for $4.1B ($31.50/share), premium 28% to VWAP
CATALYST PHARMACEUTICALS, INC.
- All outstanding shares acquired for $31.50 cash per share; total equity value ~$4.1B (21% premium to unaffected close).
- Transaction expected to close Q3 2026, subject to stockholder vote and HSR antitrust clearance.
- Termination fee of ~$155.5M payable by Catalyst under certain conditions; no financing condition.
- Patent litigation with Hetero on FIRDAPSE generic settled; Hetero cannot market before Jan 2035 if approved.
- Directors and executive officers entered voting agreements to support the merger.
Machine-readable event card
- schema_version
- secwatch.filing_event.v1
- accession
- 0001193125-26-210518
- form_type
- 8-K
- ticker
- CPRX
- cik
- 0001369568
- company_name
- CATALYST PHARMACEUTICALS, INC.
- filed_at
- 2026-05-07T23:59:59+00:00
- discovered_at
- 2026-05-14T18:02:32.199008+00:00
- generated_at
- 2026-05-14T21:29:24.582728+00:00
- sec_items
- ["1.01", "5.03", "7.01", "8.01", "9.01"]
- event_type
- m_and_a
- sentiment
- positive
- materiality_score
- 1.0
- calibrated_materiality_score
- 1.0
- confidence
- high
- secwatch_canonical_url
- https://secwatch.observer/filing/0001193125-26-210518
- json_url
- https://secwatch.observer/filing/0001193125-26-210518.json
- markdown_url
- https://secwatch.observer/filing/0001193125-26-210518.md
- text_url
- https://secwatch.observer/filing/0001193125-26-210518.txt
- edgar_index_url
- https://www.sec.gov/Archives/edgar/data/1369568/000119312526210518/0001193125-26-210518-index.htm
- edgar_primary_document_url
- https://www.sec.gov/Archives/edgar/data/1369568/000119312526210518/d90722d8k.htm
- generated_by_model
- deepseek-v4-flash:cloud@v2
- review_status
- machine_generated
- human_reviewed
- false
- corrected
- false
- correction_note
- null
- correction_timestamp
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similar materiality
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same fact type: material_agreement
same SEC item: 1.01, 8.01, 9.01
same event type: m_and_a
similar materiality
This filing
On May 6, 2026, Catalyst Pharmaceuticals, Inc. (“ Catalyst ” or the “ Company ”) entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Angelini Pharma S.p.A., an Italian Società per azioni (“ Angelini Pharma ” or “ Parent ”), and Angelini Cielo Inc., a Delaware corporation and wholly-owned subsidiary of Parent (“ Merger Sub ”), providing for the merger of Merger Sub with and into the Company (the “ Merger ”), with the Company surviving the Merger as a wholly-owned subsidiary of Parent.
Comparable filing
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same event type: m_and_a
similar materiality
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On May 6, 2026, the Board of Directors approved and adopted an amendment (the “ Forum Selection Amendment ”) to the Company’s existing By-Laws that amends Article VIII, Section 8.1 of the By-Laws of the Company.
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Items 1.02, 2.01, 3.01, 3.03, 5.01, 9.01
same fact type: material_agreement
same SEC item: 9.01
same event type: m_and_a
similar materiality
This filing
On May 6, 2026, Catalyst Pharmaceuticals, Inc. (“ Catalyst ” or the “ Company ”) entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Angelini Pharma S.p.A., an Italian Società per azioni (“ Angelini Pharma ” or “ Parent ”), and Angelini Cielo Inc., a Delaware corporation and wholly-owned subsidiary of Parent (“ Merger Sub ”), providing for the merger of Merger Sub with and into the Company (the “ Merger ”), with the Company surviving the Merger as a wholly-owned subsidiary of Parent.
Comparable filing
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same fact type: material_agreement
same SEC item: 9.01
same event type: m_and_a
similar materiality
This filing
On May 6, 2026, Catalyst Pharmaceuticals, Inc. (“ Catalyst ” or the “ Company ”) entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Angelini Pharma S.p.A., an Italian Società per azioni (“ Angelini Pharma ” or “ Parent ”), and Angelini Cielo Inc., a Delaware corporation and wholly-owned subsidiary of Parent (“ Merger Sub ”), providing for the merger of Merger Sub with and into the Company (the “ Merger ”), with the Company surviving the Merger as a wholly-owned subsidiary of Parent.
Comparable filing
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m_and_a
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same fact type: material_agreement
same SEC item: 9.01
same event type: m_and_a
similar materiality
This filing
On May 6, 2026, Catalyst Pharmaceuticals, Inc. (“ Catalyst ” or the “ Company ”) entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Angelini Pharma S.p.A., an Italian Società per azioni (“ Angelini Pharma ” or “ Parent ”), and Angelini Cielo Inc., a Delaware corporation and wholly-owned subsidiary of Parent (“ Merger Sub ”), providing for the merger of Merger Sub with and into the Company (the “ Merger ”), with the Company surviving the Merger as a wholly-owned subsidiary of Parent.
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m_and_a
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same fact type: material_agreement
same SEC item: 1.01, 5.03, 8.01, 9.01
same event type: m_and_a
This filing
On May 6, 2026, Catalyst Pharmaceuticals, Inc. (“ Catalyst ” or the “ Company ”) entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Angelini Pharma S.p.A., an Italian Società per azioni (“ Angelini Pharma ” or “ Parent ”), and Angelini Cielo Inc., a Delaware corporation and wholly-owned subsidiary of Parent (“ Merger Sub ”), providing for the merger of Merger Sub with and into the Company (the “ Merger ”), with the Company surviving the Merger as a wholly-owned subsidiary of Parent.
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Filing page
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