Guindo Chirfi

Guindo Chirfi, EVP, Access, Policy & Comms, has filed 6 insider trading reports covering 1 company. Total disclosed trading volume is $11.6M. Sales ($3.6M) 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.