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Merck (MRK) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET

Updated Oct 15, 2026, 4:00 PM ET

What changed since yesterday

MRK dips 1.5% to $145.19. Closed at $145.19, -1.48% vs the prior close of $147.37. Day range $144.91–$152.34, opened at $149.70.

Last close$145.19-1.48%
Day range144.91–152.34
Open149.70
Volume13.85M
52-week range82.01–156.92
Avg volume (20d)10.20M

MRK daily analysis — what happened

A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.

Oct 15, 2026 — MRK dips 1.5% to $145.19
Oct 14, 2026 — MRK jumps 3.8% to $147.37
Oct 13, 2026 — MRK dips 2.4% to $141.98
Oct 12, 2026 — MRK ends flat (-0.1%) to $145.45
Oct 9, 2026 — MRK rises 2.3% to $145.60
Oct 8, 2026 — MRK ends flat (-0.3%) to $142.38
Oct 7, 2026 — MRK rises 0.6% to $142.79
Oct 6, 2026 — MRK rises 1.7% to $141.94
Oct 5, 2026 — MRK slides 3.3% to $139.54, a 1-month low
Oct 2, 2026 — MRK rises 0.3% to $144.30

MRK latest news & SEC filings

Every SEC filing by or about MRK in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.

Oct 15, 2026 · 25-NSE — Notice that a security is being removed from exchange listing

Notice that a security is being removed from exchange listing

Source: SEC EDGAR filing 0000876661-26-000834

Oct 13, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0000310158-26-000237

Oct 1, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0000310158-26-000234

Oct 1, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0000310158-26-000232

Oct 1, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).

Source: SEC EDGAR filing 0000310158-26-000230

Sep 1, 2026 · 3 — Initial insider ownership statement (Form 3)

Initial insider ownership statement (Form 3) — a new director, officer or 10% owner disclosed their holdings

Source: SEC EDGAR filing 0000310158-26-000225

Aug 13, 2026 · 4 — Insider trade report (Form 4)

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0000310158-26-000223

Aug 13, 2026 · 144 — Notice of proposed sale (Form 144)

Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares

A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.

Source: SEC EDGAR filing 0001950047-26-008057

Aug 7, 2026 · 10-Q — Quarterly report (unaudited financial statements for the quarter)

Quarterly report (unaudited financial statements for the quarter)

Quarter ended Jun 30, 2026:

Source: SEC EDGAR filing 0000310158-26-000212

Aug 7, 2026 · 13F-HR — Quarterly holdings report filed by an institutional investment manager

Quarterly holdings report filed by an institutional investment manager

Source: SEC EDGAR filing 0000310158-26-000210

Aug 4, 2026 · 8-K — Current report

Current report — a filing companies must make within 4 business days of a major event

This is a results-day filing: the earnings press release is attached as an exhibit.

Source: SEC EDGAR filing 0001104659-26-090045

Jun 24, 2026 · 11-K — Annual report for an employee stock plan

Annual report for an employee stock plan

Source: SEC EDGAR filing 0000310158-26-000196

Jun 24, 2026 · 11-K — Annual report for an employee stock plan

Annual report for an employee stock plan

Source: SEC EDGAR filing 0000310158-26-000194

Jun 24, 2026 · 11-K — Annual report for an employee stock plan

Annual report for an employee stock plan

Source: SEC EDGAR filing 0000310158-26-000192

Things to know before you trade MRK

MRK market data (last 20 sessions)

DateOpenHighLowCloseVolume
Oct 15, 2026149.70152.34144.91145.1913.85M
Oct 14, 2026143.10148.16142.66147.379.80M
Oct 13, 2026145.85145.93141.58141.988.38M
Oct 12, 2026145.75146.36144.64145.458.02M
Oct 9, 2026141.37146.68141.36145.609.29M
Oct 8, 2026141.90142.77138.89142.388.40M
Oct 7, 2026142.03144.15141.49142.796.35M
Oct 6, 2026140.13142.16139.74141.948.07M
Oct 5, 2026143.67144.06138.80139.549.48M
Oct 2, 2026143.77144.35142.73144.309.66M
Oct 1, 2026144.71145.39143.26143.817.86M
Sep 30, 2026148.95149.27145.26145.3110.22M
Sep 29, 2026148.17150.36146.09149.288.20M
Sep 28, 2026147.65149.19146.28148.697.70M
Sep 25, 2026148.06149.98147.48148.788.29M
Sep 24, 2026148.17151.46147.90147.9810.31M
Sep 23, 2026151.32152.01146.89148.089.70M
Sep 22, 2026148.69153.57148.04150.9111.17M
Sep 21, 2026146.79150.49145.60149.507.99M
Sep 18, 2026147.08147.84145.74146.8731.16M

About Merck

Merck (MRK) is listed on the NYSE and classified by the SEC under “Pharmaceutical Preparations”. Its business address is in RAHWAY, NJ. State of incorporation: NJ. Fiscal year ends December 31. SEC CIK 310158.

MRK board of directors & executives

From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).

Directors

NameRoleLatest filing
Douglas M Jr BakerDirectorJun 2, 2026
Mary Ellen CoeDirectorJul 1, 2026
Pamela J. CraigDirectorJun 2, 2026
Robert M DavisChairman, CEO & PresidentMay 7, 2026
Thomas H GlocerDirectorJun 2, 2026
Surendralal Lanca KarsanbhaiDirectorJul 1, 2026
Risa J Lavizzo-MoureyDirectorJun 2, 2026
Stephen MayoDirectorJun 2, 2026
Patricia F RussoDirectorJun 2, 2026
Paul RothmanDirectorJun 2, 2026
Christine E SeidmanDirectorJul 1, 2026
Inge G ThulinDirectorJun 2, 2026
Kathy J WardenDirectorJun 2, 2026

Executive officers

NameTitleLatest filing
Sanat ChattopadhyayExe V-P & Pres. MMDMay 1, 2026
Robert M DavisChairman, CEO & PresidentMay 7, 2026
Richard R. DelucaEVP&Pres, Merck Animal HeallthAug 12, 2026
Cristal N DowningChief Comm. & Public Afrs OfcrNov 12, 2025
Brian FoardEVP, Specialty, Pharma, & IDMay 7, 2026
Chirfi GuindoEVP, Access, Policy & CommsAug 13, 2026
Gaurav K GuptaEVP, CIDOSep 1, 2026
Betty D LarsonEVP, Chief HR OfficerMay 7, 2026
Dean Y LiExecutive VP & President, MRLMay 7, 2026
Caroline LitchfieldEVP & CFOMay 7, 2026
David R. MaraldoEVP & Pres. MMDAug 7, 2026
Johannes Jacobus OosthuizenEVP, Oncology & Int?lMay 7, 2026
Joseph RomanelliPresident, Human Health Int?lJan 28, 2026
Dalton E. Iii SmartSVP Fin. - Global ControllerMay 7, 2026
David Michael WilliamsEVP,Chief Info&Digital OfficerAug 7, 2026
Jennifer ZacharyEVP, General CounselAug 13, 2026

Recent insider buys & sales

DateInsiderTypeSharesPrice
Aug 13, 2026Chirfi GuindoSale10,000$135.00
Aug 12, 2026Jennifer ZacharySale80,315$133.46
Aug 12, 2026Richard R. DelucaSale11,099$131.61
Aug 12, 2026Richard R. DelucaSale600$132.04
Aug 11, 2026Richard R. DelucaSale7,410$131.33
Aug 11, 2026Richard R. DelucaSale5,427$132.35
Aug 10, 2026Richard R. DelucaSale20,784$130.43
Aug 6, 2026Richard R. DelucaSale805$131.02
Aug 6, 2026Richard R. DelucaSale300$131.02
Aug 6, 2026Richard R. DelucaSale4,945$130.23
Aug 6, 2026Chirfi GuindoSale15,000$131.00
Aug 5, 2026David Michael WilliamsSale34,705$128.77
Aug 5, 2026David Michael WilliamsSale4,600$128.77
Aug 5, 2026David Michael WilliamsSale13,542$128.77
Aug 5, 2026David R. MaraldoSale9,709$128.72

MRK financials (annual, from XBRL filings)

Fiscal year endRevenueNet incomeDiluted EPSOperating cash flow
Dec 31, 2025$65.01B$18.25B7.28$16.47B
Dec 31, 2024$64.17B$17.12B6.74$21.47B
Dec 31, 2023$60.12B$365.00M0.14$13.01B
Dec 31, 2022$59.28B$14.52B5.71$19.09B
Dec 31, 2021$48.70B$13.05B5.14—

Latest balance sheet: total assets $129.80B, total liabilities $—, cash $6.85B (as of Jun 30, 2026).

MRK earnings / results-day log

DateFilingClose that day
Aug 4, 20268-K Item 2.02 (results)$128.00
Apr 30, 20268-K Item 2.02 (results)$109.18
Feb 3, 20268-K Item 2.02 (results)$115.84
Oct 30, 20258-K Item 2.02 (results)$86.28
Jul 29, 20258-K Item 2.02 (results)$82.63
Apr 24, 20258-K Item 2.02 (results)$79.84
Feb 4, 20258-K Item 2.02 (results)$90.74
Oct 31, 20248-K Item 2.02 (results)$102.32
Jul 30, 20248-K Item 2.02 (results)—
Apr 25, 20248-K Item 2.02 (results)—
Feb 1, 20248-K Item 2.02 (results)—
Oct 26, 20238-K Item 2.02 (results)—

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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 15, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.