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MRK research notebook

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SEC submissions · retrieved 2026-09-08 · 8005 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-08-13 · 0000310158-26-000223

  2. 4 · Ownership change

    Report date 2026-08-12 · 0000310158-26-000221

  3. 4 · Ownership change

    Report date 2026-08-10 · 0000310158-26-000219

  4. 4 · Ownership change

    Report date 2026-08-06 · 0000310158-26-000217

  5. 4 · Ownership change

    Report date 2026-08-05 · 0000310158-26-000215

  6. 4 · Ownership change

    Report date 2026-08-05 · 0000310158-26-000214

  7. 4 · Ownership change

    Report date 2026-08-06 · 0000310158-26-000213

  8. 10-Q · Quarterly report

    Report date 2026-06-30 · 0000310158-26-000212

  9. 8-K · Current report

    Report date 2026-08-04 · 0001104659-26-090045 · Items 2.02,9.01

  10. 4 · Ownership change

    Report date 2026-06-30 · 0000310158-26-000202

  11. 8-K · Current report

    Report date 2026-05-26 · 0001104659-26-067509 · Items 5.07

  12. 8-K · Current report

    Report date 2026-05-22 · 0001628280-26-037738 · Items 8.01,9.01

  13. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001628280-26-029802

  14. 8-K · Current report

    Report date 2026-04-30 · 0001104659-26-052081 · Items 2.02,9.01

  15. DEF 14A · Proxy statement

    Report date 2026-05-26 · 0001193125-26-147704

  16. 10-K · Annual report

    Report date 2025-12-31 · 0000310158-26-000063

  17. 8-K · Current report

    Report date 2026-02-03 · 0001104659-26-009495 · Items 2.02,9.01

  18. 8-K · Current report

    Report date 2025-12-04 · 0001628280-25-055388 · Items 8.01,9.01

  19. 10-Q · Quarterly report

    Report date 2025-09-30 · 0000310158-25-000059

  20. 8-K · Current report

    Report date 2025-10-30 · 0001104659-25-103974 · Items 2.02,9.01

  21. 8-K · Current report

    Report date 2025-09-09 · 0000310158-25-000047 · Items 8.01,9.01

  22. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000310158-25-000014

  23. 8-K · Current report

    Report date 2025-07-25 · 0001104659-25-071380 · Items 2.02,2.05,9.01

  24. 8-K · Current report

    Report date 2025-05-27 · 0001104659-25-054131 · Items 5.07

  25. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001628280-25-021834

  26. 8-K · Current report

    Report date 2025-04-24 · 0001104659-25-038301 · Items 2.02,9.01

  27. DEF 14A · Proxy statement

    Report date 2025-05-27 · 0001193125-25-076859

  28. 10-K · Annual report

    Report date 2024-12-31 · 0001628280-25-007732

  29. 8-K · Current report

    Report date 2025-02-04 · 0001104659-25-008863 · Items 2.02,9.01

  30. 8-K · Current report

    Report date 2024-11-19 · 0001104659-24-122027 · Items 5.02,5.03,9.01

  31. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001628280-24-045689

  32. SC 13G/A · Ownership disclosure

    0000895345-24-000536

  33. 8-K · Current report

    Report date 2024-10-31 · 0001104659-24-112841 · Items 2.02,9.01

  34. 10-Q · Quarterly report

    Report date 2024-06-30 · 0001628280-24-034715

  35. 8-K · Current report

    Report date 2024-07-30 · 0001104659-24-083722 · Items 2.02,9.01

  36. 8-K · Current report

    Report date 2024-05-28 · 0001628280-24-025800 · Items 5.07,8.01,9.01

  37. 10-Q · Quarterly report

    Report date 2024-03-31 · 0001628280-24-020283

  38. 8-K · Current report

    Report date 2024-04-25 · 0001104659-24-051517 · Items 2.02,9.01

  39. DEF 14A · Proxy statement

    Report date 2024-05-28 · 0001193125-24-093204

  40. 10-K/A · Annual report

    Report date 2023-12-31 · 0001193125-24-093194

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-09-07 · 2026 Q2: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 0 transaction rows0PSale: 0 transaction rows0SGrant / award: 40 transaction rows40AExercise / conversion: 30 transaction rows30MTax / exercise payment: 15 transaction rows15FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

85 matching transaction rows. Showing 51–85.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-04-29
2026-05-01
Guindo ChirfiM · Exercise / conversion
Acquired
Common Stock1967.0110.03
2026-04-29
2026-05-01
Guindo ChirfiM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
1967.00.0
2026-04-29
2026-05-01
Chattopadhyay SanatM · Exercise / conversion
Acquired
Common Stock2597.0110.03
2026-04-29
2026-05-01
Chattopadhyay SanatF · Tax / exercise payment
Disposed
Common Stock1130.0110.03
2026-04-29
2026-05-01
Chattopadhyay SanatM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
2597.00.0
2026-04-29
2026-05-01
DeLuca Richard R.M · Exercise / conversion
Acquired
Common Stock2518.0110.03
2026-04-29
2026-05-01
DeLuca Richard R.F · Tax / exercise payment
Disposed
Common Stock1241.0110.03
2026-04-29
2026-05-01
DeLuca Richard R.M · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
2518.00.0
2026-04-29
2026-05-01
Williams David MichaelF · Tax / exercise payment
Disposed
Common Stock679.0110.03
2026-04-29
2026-05-01
Williams David MichaelM · Exercise / conversion
Acquired
Common Stock1377.0110.03
2026-04-29
2026-05-01
Williams David MichaelM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
1377.00.0
2026-04-29
2026-05-01
Smart Dalton E. IIIF · Tax / exercise payment
Disposed
Common Stock324.0110.03
2026-04-29
2026-05-01
Smart Dalton E. IIIM · Exercise / conversion
Acquired
Common Stock944.0110.03
2026-04-29
2026-05-01
Smart Dalton E. IIIM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
944.00.0
2026-04-29
2026-05-01
Li Dean YM · Exercise / conversion
Acquired
Common Stock4722.0110.03
2026-04-29
2026-05-01
Li Dean YF · Tax / exercise payment
Disposed
Common Stock2326.0110.03
2026-04-29
2026-05-01
Li Dean YM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
4722.00.0
2026-04-29
2026-05-01
Zachary JenniferF · Tax / exercise payment
Disposed
Common Stock1454.0110.03
2026-04-29
2026-05-01
Zachary JenniferM · Exercise / conversion
Acquired
Common Stock2951.0110.03
2026-04-29
2026-05-01
Zachary JenniferM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
2951.00.0
2026-04-29
2026-05-01
Larson Betty DF · Tax / exercise payment
Disposed
Common Stock715.0110.03
2026-04-29
2026-05-01
Larson Betty DM · Exercise / conversion
Acquired
Common Stock2085.0110.03
2026-04-29
2026-05-01
Larson Betty DM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
2085.00.0
2026-04-29
2026-05-01
Litchfield CarolineF · Tax / exercise payment
Disposed
Common Stock1938.0110.03
2026-04-29
2026-05-01
Litchfield CarolineM · Exercise / conversion
Acquired
Common Stock3935.0110.03
2026-04-29
2026-05-01
Litchfield CarolineM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
3935.00.0
2026-04-29
2026-05-01
Davis Robert MF · Tax / exercise payment
Disposed
Common Stock6551.0110.03
2026-04-29
2026-05-01
Davis Robert MM · Exercise / conversion
Acquired
Common Stock13300.0110.03
2026-04-29
2026-05-01
Davis Robert MM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
13300.00.0
2026-04-29
2026-05-01
Oosthuizen Johannes JacobusF · Tax / exercise payment
Disposed
Common Stock679.0110.03
2026-04-29
2026-05-01
Oosthuizen Johannes JacobusM · Exercise / conversion
Acquired
Common Stock1377.0110.03
2026-04-29
2026-05-01
Oosthuizen Johannes JacobusM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
1377.00.0
2026-03-31
2026-04-01
Seidman Christine EA · Grant / award
Acquired
Phantom Stock
Derivative security
67.55120.29
2026-03-31
2026-04-01
GLOCER THOMAS HA · Grant / award
Acquired
Phantom Stock
Derivative security
405.27120.29
2026-03-31
2026-04-01
Coe Mary EllenA · Grant / award
Acquired
Phantom Stock
Derivative security
249.4120.29

Identity & relationships

Wikidata structured data · retrieved 2026-09-07 · 1611 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0000310158Merck & Co., Inc.
Merck (Japan)MSD (Netherlands)Merck Sharp & Dohme (Switzerland)MSD Sharp & Dohme GmbHMerck Sharp & Dohme, UABMerck Sharp & Dohme Latvija, SIAMSD VACCINSMerck Sharp & Dohme B.V.MSD Norway ASMSD Czech Republic s.r.o.

Showing 10 of 10 imported Wikidata subsidiary claims. Additional aliases appear below.

No parent relationship is available in this import; this is not proof of independence.

Legal Entity Identifier
4YV9Y5M8S0BRK1RP0397
GLEIF legal name
MERCK & CO., INC.
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2025-10-20T10:26:51Z

direct-parent: no parent LEI supplied

ultimate-parent: no parent LEI supplied

GLEIF legal entity reference data · retrieved 2026-09-07 · 1177 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Merck & Co. · alias · wikidata
  • Merck Sharp & Dohme Corp. · alias · wikidata
  • Merck (Japan) · subsidiary · wikidata
  • MSD (Netherlands) · subsidiary · wikidata
  • Merck Sharp & Dohme (Switzerland) · subsidiary · wikidata
  • Merck Sharp & Dohme · subsidiary · wikidata
  • MSD Sharp & Dohme GmbH · subsidiary · wikidata
  • MSD (Germany) · subsidiary · wikidata
  • MSD Sharp & Dohme Gesellschaft mit beschränkter Haftung · subsidiary · wikidata
  • Merck Sharp & Dohme (Germany) · subsidiary · wikidata
  • Merck Sharp & Dohme, UAB · subsidiary · wikidata
  • MSD Lithuania · subsidiary · wikidata
  • Merck Sharp & Dohme (Lithuania) · subsidiary · wikidata
  • Merck Sharp & Dohme Latvija, SIA · subsidiary · wikidata
  • MSD (Latvia) · subsidiary · wikidata
  • Merck Sharp & Dohme (Latvia) · subsidiary · wikidata
  • MSD VACCINS · subsidiary · wikidata
  • Merck Sharp & Dohme B.V. · subsidiary · wikidata
  • MSD Norway AS · subsidiary · wikidata
  • MSD (Norge) AS · subsidiary · wikidata
  • MSD Czech Republic s.r.o. · subsidiary · wikidata
  • MSD IT Global Innovation Center s.r.o. · subsidiary · wikidata
  • MSD IT Global Innovation Center · subsidiary · wikidata
  • MSD (Czech Republic) · subsidiary · wikidata
  • Merck Sharp & Dohme Czech Republic · subsidiary · wikidata
  • Merck & Co. Inc. · former SEC name · 2009-11-04 to 2014-12-09
  • SCHERING PLOUGH CORP · former SEC name · 1994-12-29 to 2009-10-29
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Revenue in constant purchasing power

USD revenue expressed in 2026-07 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

Year endedReported USD revenueCPI-adjusted USD revenue
2024-12-31$64.17B$68.30B
2023-12-31$60.12B$65.87B
2022-12-31$59.28B$67.63B
2021-12-31$48.70B$60.01B
2020-12-31$41.52B$53.57B
2019-12-31$39.12B$51.09B
2018-12-31$42.29B$56.24B
2017-12-31$40.12B$54.66B

Bureau of Labor Statistics · retrieved 2026-09-08 · 9 selected series; gaps remain missing

Explore the CPI history ↗