MRK
Merck & Co., Inc.F2515-min delayed · EOD close148.36 −0.78% downas of 2026-11-02mkt cap $366B
Pharmaceutical Preparations · SIC 2834 · CIK 0000310158
Who’s trading MRK
Corporate insiders on Form 4, House members under the STOCK Act, and the funds reporting a position in their 13F.
Corporate insiders
none
no Form 4 filings on record
Congress
3 buys · 2 sells
$49K bought · $16K sold, at range midpoints
Funds holding
2 filers
$486.6M reported
The counts above are free. Who they are, and what each of them traded, is part of Pro — see what it includes.
Form 4 insider trades are exact and filed within two business days. Congressional figures are range midpoints disclosed up to 45 days after the trade, and 13F positions are a quarter-end snapshot. All three are a record of what was disclosed, not a signal.