NYSE : MRK
$2.82 (2.33%)
NUMBER OF INSIDERS BUYING (LAST 12 MONTHS)
NUMBER OF INSIDERS SELLING (LAST 12 MONTHS)
AMOUNT OF INSIDER SELLING (LAST 12 MONTHS)
| Insider Name | Title | Date | Transaction | Cost | Filing Date |
|---|---|---|---|---|---|
| Seidman Christine E | director | 2026-06-30 | A-Award | 0 | 2026-07-01 |
| Karsanbhai Surendralal Lanca | director | 2026-06-30 | A-Award | 0 | 2026-07-01 |
| Coe Mary Ellen | director | 2026-06-30 | A-Award | 0 | 2026-07-01 |
| Warden Kathy J | director | 2026-05-29 | A-Award | 0 | 2026-06-02 |
| Karsanbhai Surendralal Lanca | director | 2026-05-29 | A-Award | 0 | 2026-06-02 |
| Coe Mary Ellen | director | 2026-05-29 | A-Award | 0 | 2026-06-02 |
| THULIN INGE G | director | 2026-05-29 | A-Award | 0 | 2026-06-02 |
| Seidman Christine E | director | 2026-05-29 | A-Award | 0 | 2026-06-02 |
| RUSSO PATRICIA F | director | 2026-05-29 | A-Award | 0 | 2026-06-02 |
| Rothman Paul | director | 2026-05-29 | A-Award | 0 | 2026-06-02 |
| Mayo Stephen | director | 2026-05-29 | A-Award | 0 | 2026-06-02 |
| LAVIZZO-MOUREY RISA J | director | 2026-05-29 | A-Award | 0 | 2026-06-02 |
| GLOCER THOMAS H | director | 2026-05-29 | A-Award | 0 | 2026-06-02 |
| Craig Pamela J. | director | 2026-05-29 | A-Award | 0 | 2026-06-02 |
| BAKER DOUGLAS M JR | director | 2026-05-29 | A-Award | 0 | 2026-06-02 |
| Zachary Jennifer | officer: EVP, General Counsel | 2026-05-05 | A-Award | 113.15 | 2026-05-07 |
| Zachary Jennifer | officer: EVP, General Counsel | 2026-05-05 | A-Award | 0 | 2026-05-07 |
| Williams David Michael | officer: EVP,Chief Info&Digital Officer | 2026-05-05 | A-Award | 113.15 | 2026-05-07 |
| Williams David Michael | officer: EVP,Chief Info&Digital Officer | 2026-05-05 | A-Award | 0 | 2026-05-07 |
| Litchfield Caroline | officer: EVP & CFO | 2026-05-05 | A-Award | 113.15 | 2026-05-07 |
| Litchfield Caroline | officer: EVP & CFO | 2026-05-05 | A-Award | 0 | 2026-05-07 |
| Li Dean Y | officer: Executive VP & President, MRL | 2026-05-05 | A-Award | 113.15 | 2026-05-07 |
| Li Dean Y | officer: Executive VP & President, MRL | 2026-05-05 | A-Award | 0 | 2026-05-07 |
| Larson Betty D | officer: EVP, Chief HR Officer | 2026-05-05 | A-Award | 113.15 | 2026-05-07 |
| Larson Betty D | officer: EVP, Chief HR Officer | 2026-05-05 | A-Award | 0 | 2026-05-07 |
| DeLuca Richard R. | officer: EVP&Pres, Merck Animal Heallth | 2026-05-05 | A-Award | 113.15 | 2026-05-07 |
| DeLuca Richard R. | officer: EVP&Pres, Merck Animal Heallth | 2026-05-05 | A-Award | 0 | 2026-05-07 |
| Davis Robert M | director, officer: Chairman, CEO & President | 2026-05-05 | A-Award | 113.15 | 2026-05-07 |
| Davis Robert M | director, officer: Chairman, CEO & President | 2026-05-05 | A-Award | 0 | 2026-05-07 |
| Foard Brian | officer: EVP, Specialty, Pharma, & ID | 2026-05-05 | A-Award | 0 | 2026-05-07 |
| Foard Brian | officer: EVP, Specialty, Pharma, & ID | 2026-05-05 | A-Award | 113.15 | 2026-05-07 |
| Foard Brian | officer: EVP, Specialty, Pharma, & ID | 2026-05-05 | A-Award | 0 | 2026-05-07 |
| Maraldo David R. | officer: EVP & Pres. MMD | 2026-05-05 | A-Award | 113.15 | 2026-05-07 |
| Maraldo David R. | officer: EVP & Pres. MMD | 2026-05-05 | A-Award | 0 | 2026-05-07 |
| Oosthuizen Johannes Jacobus | officer: EVP, Oncology & Int?l | 2026-05-05 | A-Award | 113.15 | 2026-05-07 |
| Oosthuizen Johannes Jacobus | officer: EVP, Oncology & Int?l | 2026-05-05 | A-Award | 0 | 2026-05-07 |
| Smart Dalton E. III | officer: SVP Fin. - Global Controller | 2026-05-05 | A-Award | 113.15 | 2026-05-07 |
| Smart Dalton E. III | officer: SVP Fin. - Global Controller | 2026-05-05 | A-Award | 0 | 2026-05-07 |
| Guindo Chirfi | officer: EVP, Access, Policy & Comms | 2026-05-05 | A-Award | 113.15 | 2026-05-07 |
| Guindo Chirfi | officer: EVP, Access, Policy & Comms | 2026-05-05 | A-Award | 0 | 2026-05-07 |
| Smart Dalton E. III | officer: SVP Fin. - Global Controller | 2026-05-02 | M-Exempt | 112.16 | 2026-05-05 |
| Smart Dalton E. III | officer: SVP Fin. - Global Controller | 2026-05-02 | F-InKind | 112.16 | 2026-05-05 |
| Smart Dalton E. III | officer: SVP Fin. - Global Controller | 2026-05-02 | M-Exempt | 0 | 2026-05-05 |
| Maraldo David R. | officer: EVP & Pres. MMD | 2026-05-02 | M-Exempt | 112.16 | 2026-05-05 |
| Maraldo David R. | officer: EVP & Pres. MMD | 2026-05-02 | F-InKind | 112.16 | 2026-05-05 |
| Maraldo David R. | officer: EVP & Pres. MMD | 2026-05-02 | M-Exempt | 0 | 2026-05-05 |
| Maraldo David R. | officer: EVP & Pres. MMD | 2026-05-01 | 0 | 2026-05-04 | |
| Maraldo David R. | officer: EVP & Pres. MMD | 2026-05-01 | 0 | 2026-05-04 | |
| Maraldo David R. | officer: EVP & Pres. MMD | 2022-05-04 | 73.73 | 2026-05-04 | |
| Maraldo David R. | officer: EVP & Pres. MMD | 2026-04-29 | 0 | 2026-05-04 | |
| Maraldo David R. | officer: EVP & Pres. MMD | 2023-05-03 | 87.1 | 2026-05-04 | |
| Maraldo David R. | officer: EVP & Pres. MMD | 2024-05-02 | 117.89 | 2026-05-04 | |
| Maraldo David R. | officer: EVP & Pres. MMD | 2025-04-30 | 129.22 | 2026-05-04 | |
| Maraldo David R. | officer: EVP & Pres. MMD | 2026-04-29 | 84.71 | 2026-05-04 | |
| Guindo Chirfi | officer: EVP, Access, Policy & Comms | 2026-04-29 | M-Exempt | 110.03 | 2026-05-01 |
| Guindo Chirfi | officer: EVP, Access, Policy & Comms | 2026-04-29 | F-InKind | 110.03 | 2026-05-01 |
| Guindo Chirfi | officer: EVP, Access, Policy & Comms | 2026-04-29 | M-Exempt | 0 | 2026-05-01 |
| Chattopadhyay Sanat | officer: Exe V-P & Pres. MMD | 2026-04-29 | M-Exempt | 110.03 | 2026-05-01 |
| Chattopadhyay Sanat | officer: Exe V-P & Pres. MMD | 2026-04-29 | F-InKind | 110.03 | 2026-05-01 |
| Chattopadhyay Sanat | officer: Exe V-P & Pres. MMD | 2026-04-29 | M-Exempt | 0 | 2026-05-01 |
| DeLuca Richard R. | officer: EVP&Pres, Merck Animal Heallth | 2026-04-29 | M-Exempt | 110.03 | 2026-05-01 |
| DeLuca Richard R. | officer: EVP&Pres, Merck Animal Heallth | 2026-04-29 | F-InKind | 110.03 | 2026-05-01 |
| DeLuca Richard R. | officer: EVP&Pres, Merck Animal Heallth | 2026-04-29 | M-Exempt | 0 | 2026-05-01 |
| Williams David Michael | officer: EVP,Chief Info&Digital Officer | 2026-04-29 | M-Exempt | 110.03 | 2026-05-01 |
| Williams David Michael | officer: EVP,Chief Info&Digital Officer | 2026-04-29 | F-InKind | 110.03 | 2026-05-01 |
| Williams David Michael | officer: EVP,Chief Info&Digital Officer | 2026-04-29 | M-Exempt | 0 | 2026-05-01 |
| Smart Dalton E. III | officer: SVP Fin. - Global Controller | 2026-04-30 | M-Exempt | 110.95 | 2026-05-01 |
| Smart Dalton E. III | officer: SVP Fin. - Global Controller | 2026-04-29 | M-Exempt | 110.03 | 2026-05-01 |
| Smart Dalton E. III | officer: SVP Fin. - Global Controller | 2026-04-30 | F-InKind | 110.95 | 2026-05-01 |
| Smart Dalton E. III | officer: SVP Fin. - Global Controller | 2026-04-29 | F-InKind | 110.03 | 2026-05-01 |
| Smart Dalton E. III | officer: SVP Fin. - Global Controller | 2026-04-29 | M-Exempt | 0 | 2026-05-01 |
| Smart Dalton E. III | officer: SVP Fin. - Global Controller | 2026-04-30 | M-Exempt | 0 | 2026-05-01 |
| Li Dean Y | officer: Executive VP & President, MRL | 2026-04-29 | M-Exempt | 110.03 | 2026-05-01 |
| Li Dean Y | officer: Executive VP & President, MRL | 2026-04-29 | F-InKind | 110.03 | 2026-05-01 |
| Li Dean Y | officer: Executive VP & President, MRL | 2026-04-29 | M-Exempt | 0 | 2026-05-01 |
| Zachary Jennifer | officer: EVP, General Counsel | 2026-04-29 | M-Exempt | 110.03 | 2026-05-01 |
| Zachary Jennifer | officer: EVP, General Counsel | 2026-04-29 | F-InKind | 110.03 | 2026-05-01 |
| Zachary Jennifer | officer: EVP, General Counsel | 2026-04-29 | M-Exempt | 0 | 2026-05-01 |
| Larson Betty D | officer: EVP, Chief HR Officer | 2026-04-30 | M-Exempt | 110.95 | 2026-05-01 |
| Larson Betty D | officer: EVP, Chief HR Officer | 2026-04-30 | F-InKind | 110.95 | 2026-05-01 |
| Larson Betty D | officer: EVP, Chief HR Officer | 2026-04-30 | M-Exempt | 0 | 2026-05-01 |
| Larson Betty D | officer: EVP, Chief HR Officer | 2026-04-29 | M-Exempt | 110.03 | 2026-05-01 |
| Larson Betty D | officer: EVP, Chief HR Officer | 2026-04-29 | F-InKind | 110.03 | 2026-05-01 |
| Larson Betty D | officer: EVP, Chief HR Officer | 2026-04-29 | M-Exempt | 0 | 2026-05-01 |
| Litchfield Caroline | officer: EVP & CFO | 2026-04-29 | M-Exempt | 110.03 | 2026-05-01 |
| Litchfield Caroline | officer: EVP & CFO | 2026-04-29 | F-InKind | 110.03 | 2026-05-01 |
| Litchfield Caroline | officer: EVP & CFO | 2026-04-29 | M-Exempt | 0 | 2026-05-01 |
| Davis Robert M | director, officer: Chairman, CEO & President | 2026-04-29 | M-Exempt | 110.03 | 2026-05-01 |
| Davis Robert M | director, officer: Chairman, CEO & President | 2026-04-29 | F-InKind | 110.03 | 2026-05-01 |
| Davis Robert M | director, officer: Chairman, CEO & President | 2026-04-29 | M-Exempt | 0 | 2026-05-01 |
| Oosthuizen Johannes Jacobus | officer: EVP, Oncology & Int?l | 2026-04-29 | M-Exempt | 110.03 | 2026-05-01 |
| Oosthuizen Johannes Jacobus | officer: EVP, Oncology & Int?l | 2026-04-29 | F-InKind | 110.03 | 2026-05-01 |
| Oosthuizen Johannes Jacobus | officer: EVP, Oncology & Int?l | 2026-04-29 | M-Exempt | 0 | 2026-05-01 |
| Seidman Christine E | director | 2026-03-31 | A-Award | 0 | 2026-04-01 |
| GLOCER THOMAS H | director | 2026-03-31 | A-Award | 0 | 2026-04-01 |
| Coe Mary Ellen | director | 2026-03-31 | A-Award | 0 | 2026-04-01 |
| Foard Brian | officer | 2026-03-02 | 0 | 2026-03-12 | |
| Guindo Chirfi | officer: Chief Marketing Officer | 2026-02-12 | S-Sale | 121.4562 | 2026-02-12 |
| Li Dean Y | officer: Executive VP & President, MRL | 2026-02-10 | S-Sale | 117.5226 | 2026-02-10 |
| Guindo Chirfi | officer: Chief Marketing Officer | 2026-02-09 | S-Sale | 118.4101 | 2026-02-09 |