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AI brief of an SEC Form 8-K · Penumbra (PEN)

Penumbra agrees to be acquired by Boston Scientific for $374 per share in cash or stock

Positive Impact 5 of 5 m&a Written later

Penumbra agreed on January 14, 2026 to merge with Boston Scientific, which will acquire it in a deal valued at $374 per share and an enterprise value of approximately $14.5 billion. The same day, Penumbra released preliminary fourth quarter and full year 2025 revenue that grew 17.3% to 17.5% for the year, and the merger requires Penumbra stockholder approval and other closing conditions.

Key points

  • Each Penumbra share can be exchanged for $374 in cash or 3.8721 Boston Scientific shares, subject to proration to about 73% cash and 27% stock.
  • Boston Scientific expects to finance the approximately $11 billion cash portion with cash on hand and new debt.
  • The transaction is expected to close in 2026, subject to Penumbra stockholder approval and customary conditions, and Penumbra stock would be delisted from the NYSE.
  • Preliminary full year 2025 revenue of $1,401.3 million to $1,403.1 million, up 17.3% to 17.5%; fourth quarter revenue of $383.0 million to $384.8 million, up 21.4% to 22.0%.

The filing

CompanyPenumbra (PEN)
Form8-K, current report
Filed with the SECJan 15, 2026, 7:15 AM ET
Accession number0000950103-26-000523

Items reported: 1.01 Material Definitive Agreement2.02 Results of Operations7.01 Regulation FD Disclosure

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:12 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on January 15, 2026.

Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.