MRK

Merck & Co., Inc.

Merck & Co., Inc. (MRK) has 14 SEC Form 4 filings (36 transaction rows) in the rolling window, disclosed by 1 distinct insider. Most recent filing: May 5, 2026.

Insiders have net sold $14.5M over the trailing 6 months.

  • Industry:Drug Manufacturers - General
  • CEO:Robert Davis
  • Employees:73,000
  • HQ:Rahway, NJ, US
  • IPO:1978-01-13

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$14.5M

reported sales (SEC code S)

Unique Insiders

1

in the rolling window

Market Cap

$315.2B

latest known value

Source
Zachary JenniferFirst filing
Sale$14.5MFeb 9SEC ↗

Congress trading MRK

See timeline →
  • RRep. Keith SelfSale$1,001 - $15,0002025-01-10

STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.

Related companies

Merck & Co., Inc. is in the Healthcare sector.