Oosthuizen Johannes Jacobus 4

What Happened

• Johannes Jacobus Oosthuizen, President, U.S. Market at Merck & Co., Inc. (MRK), sold 15,000 shares of Merck common stock in open-market transactions on February 6, 2026. The weighted-average price was $121.87 per share (range $121.82–$121.95), for total proceeds of approximately $1,827,992. This was a sale (not a purchase or option exercise).

Key Details

• Transaction date: 2026-02-06
• Transaction type/code: Open-market sale (S)
• Shares sold: 15,000
• Weighted-average price reported: $121.87; reported range: $121.8200–$121.9500 (see footnote F1)
• Proceeds: ~$1,827,992
• Shares owned after transaction: Not disclosed in the provided filing excerpt
• Footnote: F1 notes the price is a weighted average covering multiple trades and the reporting person will provide a per-price breakdown on request to Merck, any shareholder, or the SEC
• Timeliness: Filing date and period of report are both 2026-02-06 — no indication in this filing of a late report

Context

• This was an open-market sale (routine disposition) and does not by itself indicate insider sentiment about Merck. No 10b5-1 plan, option exercise, gift, or tax-withholding event is disclosed in the provided excerpt.