Guindo Chirfi
EVP, Access, Policy & Comms
Guindo Chirfi has filed 7 SEC Form 4 filings (8 transaction rows) across 1 company, with disclosures dating back to 2026. 7 of those filings fall inside the rolling window. Most recent filing: Aug 13, 2026.
On the most recent filing, Guindo Chirfi is listed as EVP, Access, Policy & Comms at Merck & Co., Inc. Inside the rolling window, Guindo Chirfi reported no open-market purchases and 5 open-market sales totaling $8.2M in MRK. The largest disclosed transaction in the window is a sale of 20,000 MRK shares on Feb 5, 2026, worth $2.4M.
Companies traded
Other insiders at MRK
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$8.2M
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Guindo Chirfi made?
Guindo Chirfi has filed 7 SEC Form 4 filings (8 transaction rows) across 1 company since 2026.
Which companies does Guindo Chirfi trade?
Guindo Chirfi has filed SEC Form 4 disclosures for 1 company, including MRK.
When was Guindo Chirfi's most recent SEC Form 4 filing?
Guindo Chirfi's most recent SEC Form 4 filing on Tracefour is dated Aug 13, 2026.
What is Guindo Chirfi's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Guindo Chirfi is listed as EVP, Access, Policy & Comms.
What is Guindo Chirfi's total buy and sell value in the current window?
Inside the rolling retention window, Guindo Chirfi bought $0 and sold $8.2M based on SEC Form 4 filings.
What was Guindo Chirfi's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 20,000 MRK shares on 2026-02-05, worth $2.4M, per SEC Form 4 filings.