---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-119762"
form_type: "8-K"
ticker: null
cik: "0001654151"
company_name: "Deciphera Pharmaceuticals, Inc."
filed_at: "2024-04-29T23:59:59+00:00"
generated_at: "2026-06-03T05:37:15.504407+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 1.0
calibrated_materiality_score: 1.0
confidence: "high"
source: SEC EDGAR
---

# Deciphera to be acquired by Ono Pharmaceutical for $25.60/share in cash, ~$2.4B equity value

## Summary
- Offer price $25.60/share cash, 74.7% premium over April 26 close of $14.65.
- Tender offer for all shares; expected close Q3 2024, subject to antitrust and majority tender.
- Stockholders owning ~28% of shares have agreed to tender in support agreements.
- Deciphera will not host Q1 2024 earnings call; Form 10-Q to be filed in ordinary course.
- Boards of both companies unanimously approved; Deciphera to operate as standalone Ono unit.

## SEC filing metadata
- accession: 0001193125-24-119762
- form_type: 8-K
- cik: 0001654151
- company_name: Deciphera Pharmaceuticals, Inc.
- filed_at: 2024-04-29T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 1.0
- calibrated_materiality_score: 1.0
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1654151/000119312524119762/0001193125-24-119762-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1654151/000119312524119762/d831713d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-119762
- JSON: https://secwatch.observer/filing/0001193125-24-119762.json
- Plain text: https://secwatch.observer/filing/0001193125-24-119762.txt

## Key facts
- Material Agreements
  Deciphera Pharmaceuticals, Inc. entered into Agreement and Plan of Merger with Ono Pharmaceutical Co., Ltd. and Topaz Merger Sub, Inc. valued at $25.60 per share (effective 2024-04-29).
  - Action: entry
  - Agreement: merger
  - Counterparty: Ono Pharmaceutical Co., Ltd. and Topaz Merger Sub, Inc.
  - Value: $25.60 per share
  - Effective: 2024-04-29
  source text: ion (the “ Company ” or “ Deciphera ”), Ono Pharmaceutical Co., Ltd., a Japanese company ( kabushiki kaishi ) (“ Parent ” or “ Ono ”), and Topaz Merger Sub, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“ Merger Sub ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”). Pursuant to the Merger Agreement, and upon the terms and subject to the conditions therein, Merger Sub will commence a cash tender offer (the “ Offer ”) to acquire all of the issued and outstanding shares of the common stock, par value $0.01 per share, of the Company (“ Company Common Stock ”), at a price per share of $25.60, net to the seller in cash, without interest and subject to any withholding of taxes required by applicable law.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1654151/000119312524119762/0001193125-24-119762-index.htm

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