Guindo Chirfi Insider Trading -- Recent SEC Form 4 Transactions

Guindo Chirfi (CIK 1722753) reported 9 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-01). Recent activity: Buy MRK (1,967 shares), Sell MRK (969 shares), Sell MRK (10,000 shares), Sell MRK (10,000 shares), Sell MRK (20,000 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-05-01Merck & Co., Inc. (MRK)EVP, Access, Policy & CommsBuy1,967$216,429
2026-05-01Merck & Co., Inc. (MRK)EVP, Access, Policy & CommsSell969$106,619
2026-02-12Merck & Co., Inc. (MRK)Chief Marketing OfficerSell10,000$1.2M
2026-02-09Merck & Co., Inc. (MRK)Chief Marketing OfficerSell10,000$1.2M
2026-02-06Merck & Co., Inc. (MRK)Chief Marketing OfficerSell20,000$2.4M
2026-01-28Merck & Co., Inc. (MRK)Chief Marketing OfficerBuy9,865$1.1M
2025-08-05Merck & Co., Inc. (MRK)Chief Marketing OfficerBuy36,903$2.9M
2025-08-05Merck & Co., Inc. (MRK)Chief Marketing OfficerSell18,175$1.4M
2025-01-29Merck & Co., Inc. (MRK)Chief Marketing OfficerBuy28,158$2.8M

Source: SEC Form 4 filings · as of 2026-05-01