Guindo Chirfi 4

What Happened
Guindo Chirfi, Chief Marketing Officer of Merck & Co., sold 10,000 shares in an open-market transaction on February 9, 2026. The reported weighted-average price was $118.41 per share, for total proceeds of approximately $1,184,101. This was a sale (not a purchase or option exercise).

Key Details

• Transaction date: 2026-02-09.
• Shares sold: 10,000; weighted-average price reported: $118.41; total value ≈ $1,184,101.
• Footnote: The weighted-average price reflects multiple trades at prices ranging from $118.4000 to $118.4502; the filer can provide per-trade detail on request.
• Post-transaction holdings: Not specified in the excerpt of the filing provided.
• Filing timeliness: Reported and filed on 2026-02-09 (no late filing indicated).
• No 10b5-1 plan, gift, tax-withholding, or option exercise was noted in the information provided.

Context
This was an open-market sale, which is generally considered routine insider selling and does not by itself indicate management sentiment about the company’s prospects. For more detail on holdings before/after the trade or exact per-trade prices, investors can request the supplemental information referenced in the filing footnote or review the full Form 4 on the SEC EDGAR site (Accession 0000310158-26-000048).