Merck MRK

Merck & Co., Inc. · NYSE · Pharmaceutical Preparations

$146.33+3.83%close on Oct. 29, 2026 · volume 13.4M · Yahoo Finance

Price, last 48 sessions

$140.00$145.00$150.00$155.00Sept. 2026Oct. 2026
Aug. 24, 2026 to Oct. 29, 2026 · high $155.53 · low $139.54 · SEC filing, placed when SEC released it

Our coverage

Insider buying and selling

DateInsiderTradeSharesAvg. priceValue
Aug. 13, 2026Chirfi Guindo
EVP, Access, Policy & Comms
Sold10,000$135.00$1.35 million
Aug. 12, 2026Jennifer Zachary
EVP, General Counsel
Sold80,315$133.46$10.72 million
Aug. 12, 2026Richard R. DeLuca
EVP&Pres, Merck Animal Heallth
Sold11,699$131.63
$131.61-$132.04
$1.54 million
Aug. 11, 2026Richard R. DeLuca
EVP&Pres, Merck Animal Heallth
Sold12,837$131.76
$131.33-$132.35
$1.69 million
Aug. 10, 2026Richard R. DeLuca
EVP&Pres, Merck Animal Heallth
Sold20,784$130.43$2.71 million
Aug. 6, 2026Richard R. DeLuca
EVP&Pres, Merck Animal Heallth
Sold6,050$130.38
$130.23-$131.02
$788,773
Aug. 6, 2026Chirfi Guindo
EVP, Access, Policy & Comms
Sold15,000$131.00$1.97 million
Aug. 5, 2026David R. Maraldo
EVP & Pres. MMD
Sold18,706$128.72$2.41 million
Aug. 5, 2026David Michael Williams
EVP,Chief Info&Digital Officer
Sold52,847$128.77$6.81 million

Open-market purchases and sales reported on SEC Form 4 filed since July 24, 2026; grants, option exercises and shares withheld for tax aren't shown. A trade under a 10b5-1 plan was scheduled in advance. Where a filing was amended, the amendment's figures are shown.

Recent SEC filings

All 14 →
  • 8-KOct. 29, 2026, 6:43 a.m. ETView on SEC.govOur explainer

    Results of operations and financial condition · Financial statements and exhibits

    AI summary, unreviewedMerck raises 2026 non-GAAP EPS outlook to $2.77-$2.82 after third-quarter non-GAAP EPS of $2.49 beats $2.09 consensus, though GAAP EPS fell 12% to $2.04

  • 8-KOct. 13, 2026, 12:36 p.m. ETView on SEC.gov

    Departure/appointment of directors or officers

    AI summary, unreviewedMerck & Co. (MRK) Adds Paul J. Diaz to Board Effective November 1, 2026, Board Grows to 14 Members

  • 4Oct. 1, 2026, 1:52 p.m. ETView on SEC.gov
  • 4Oct. 1, 2026, 1:50 p.m. ETView on SEC.gov
  • 4Oct. 1, 2026, 1:48 p.m. ETView on SEC.gov
  • 4Aug. 13, 2026, 5:02 p.m. ETView on SEC.gov
  • 4Aug. 13, 2026, 4:11 p.m. ETView on SEC.gov
  • 4Aug. 12, 2026, 4:10 p.m. ETView on SEC.gov