secwatch.observer — SEC 8-K summary
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Issuer:     Day One Biopharmaceuticals, Inc. (—)
CIK:        0001845337
Form:       8-K
Filed at:   2026-04-23T23:59:59+00:00
Accession:  0001193125-26-171997
Event type: m_and_a
Sentiment:  neutral
Materiality: 1.00
Item codes: 1.02, 2.01, 3.01, 5.01, 5.03, 3.03, 5.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Servier completes $2.5B acquisition of Day One Biopharma; shares to be delisted
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- Tender offer expired with 88,180,910 shares (85.34%) validly tendered; all conditions met.
- Merger completed; stockholders received $21.50 per share cash, ~$2.5B equity value.
- Trading halted on Nasdaq; delisting and deregistration initiated via Form 25 and Form 15.
- All prior directors and officers removed; replaced by Servier appointees David K. Lee and Danielle Button.
- Company equity plans, ESPP, and at-market sales agreement terminated effective at closing.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1845337/000119312526171997/0001193125-26-171997-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1845337/000119312526171997/d27888d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-171997

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer