Oosthuizen Johannes Jacobus

Oosthuizen Johannes Jacobus, EVP, Oncology & Int?l, has filed 4 insider trading reports covering 1 company. Total disclosed trading volume is $6.1M. Sales ($1.8M) outpace purchases ($0) over this period. Insider sales are common for diversification and personal financial planning and should be evaluated with full context. The largest single filing involves Merck & Co., Inc. (MRK). All transactions sourced from SEC Form 4 filings.