Form 4 Tracker
Chirfi Guindo

Chief Marketing Officer; Director; EVP, Access, Policy & Comms · 7 filings · Latest: Jun 3, 2026

Beam Therapeutics Inc.
Merck & Co., Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
MRK
Chirfi GuindoEVP, Access, Policy & CommsApr 29, 2026
Option Exercise
$110.031,967$216.4K62,582.127
MRK
CHIRFI GUINDOFeb 9, 2026
Proposed Sale
$118.4120,000$2.4M
MRK
Chirfi GuindoChief Marketing OfficerFeb 12, 2026
Sale
$121.4610,000$1.2M60,615.127
MRK
CHIRFI GUINDOFeb 9, 2026
Proposed Sale
$118.4120,000$2.4M
MRK
Chirfi GuindoChief Marketing OfficerFeb 9, 2026
Sale
$118.4110,000$1.2M70,615.127
MRK
Chirfi GuindoChief Marketing OfficerFeb 5, 2026
Sale
$121.8820,000$2.4M80,615.127
MRK
CHIRFI GUINDOFeb 5, 2026
Proposed Sale
$121.8820,000$2.4M