Open-mkt buys · 90d
—
0 trades · 0 insiders
Open-mkt sales · 90d
$41.53M
22 trades · 3 insiders
Net · 90d
$-41.53M
Insiders on file
70
Daily buy vs sell · 90 days
■ Open-market buys (P) ■ Open-market sales (S) · daily dollar value by transaction date
Insiders
| Insider | Role | Trades | Bought | Sold | Last trade |
|---|---|---|---|---|---|
| Seidman Christine E | Director | 35 | $0 | $0 | 2026-09-30 |
| Karsanbhai Surendralal Lanca | Director | 5 | $0 | $0 | 2026-09-30 |
| Coe Mary Ellen | Director | 40 | $0 | $0 | 2026-09-30 |
| Guindo Chirfi | EVP, Access, Policy & Comms | 28 | $0 | $11.47M | 2026-08-13 |
| Zachary Jennifer | EVP, General Counsel | 64 | $0 | $68.66M | 2026-08-12 |
| DeLuca Richard R. | EVP&Pres, Merck Animal Health | 97 | $0 | $77.91M | 2026-08-12 |
| Maraldo David R. | EVP & Pres. MMD | 23 | $0 | $4.82M | 2026-08-05 |
| Williams David Michael | EVP,Chief Info&Digital Officer | 75 | $0 | $16.51M | 2026-08-05 |
| Mayo Stephen | Director | 7 | $0 | $0 | 2026-05-29 |
| Rothman Paul | Director | 12 | $0 | $0 | 2026-05-29 |
| Warden Kathy J | Director | 8 | $0 | $0 | 2026-05-29 |
| Thulin Inge G | Director | 16 | $250.0K | $0 | 2026-05-29 |
| Craig Pamela J. | Director | 12 | $0 | $0 | 2026-05-29 |
| BAKER DOUGLAS M JR | Director | 6 | $1.33M | $0 | 2026-05-29 |
| GLOCER THOMAS H | Director | 65 | $0 | $1.04M | 2026-05-29 |
| LAVIZZO-MOUREY RISA J | Director | 7 | $0 | $0 | 2026-05-29 |
| RUSSO PATRICIA F | Director | 18 | $0 | $322.1K | 2026-05-29 |
| Foard Brian | EVP, Specialty, Pharma, & ID | 3 | $0 | $0 | 2026-05-05 |
| Smart Dalton E. III | SVP Fin. - Global Controller | 49 | $0 | $1.12M | 2026-05-05 |
| Oosthuizen Johannes Jacobus | SVP, U.S. Market | 62 | $0 | $10.25M | 2026-05-05 |
| Litchfield Caroline | EVP & CFO | 43 | $0 | $11.50M | 2026-05-05 |
| Li Dean Y | Executive VP & President, MRL | 42 | $0 | $4.84M | 2026-05-05 |
| Larson Betty D | EVP, Chief HR Officer | 16 | $0 | $0 | 2026-05-05 |
| Davis Robert M | President | 61 | $0 | $123.52M | 2026-05-05 |
| Chattopadhyay Sanat | Exe V-P & Pres. MMD | 71 | $0 | $45.61M | 2026-04-29 |
| Romanelli Joseph | President, Human Health Int?l | 30 | $44.3K | $679.2K | 2026-01-26 |
| Downing Cristal N | Chief Comm. & Public Afrs Ofcr | 9 | $0 | $826.0K | 2025-11-10 |
| Klobuchar Michael A | EVP - Chief Strategy Officer | 24 | $0 | $0 | 2024-05-04 |
| WENDELL PETER C | Director | 82 | $0 | $2.09M | 2024-03-28 |
| MIZELL STEVEN | EVP,Human Resources | 52 | $0 | $20.94M | 2024-02-02 |
| LeCointe-Cephas Lisa | SVP Chief Ethics & Com Officer | 33 | $0 | $0 | 2023-05-04 |
| Karachun Rita A | Sr. VP Fince-Global Controller | 102 | $0 | $12.91M | 2023-05-04 |
| FRAZIER KENNETH C | Executive Chair | 195 | $0 | $458.01M | 2022-11-07 |
| Garay Arpa | SVP Human Health Global Mktg. | 10 | $0 | $0 | 2022-05-04 |
| Gerberding Julie L. | EVP, Chief Patient Officer | 58 | $0 | $31.27M | 2022-02-24 |
| Clyburn Frank | EVP, Chief Commercial Officer | 45 | $0 | $8.49M | 2021-11-01 |
| BRUN LESLIE A | Director | 16 | $0 | $613.0K | 2021-05-28 |
| Fleming Michael | SVP Chief Ethics & Com Officer | 22 | $0 | $0 | 2021-02-26 |
| Nally Michael | EVP, Chief Marketing Officer | 23 | $0 | $0 | 2021-02-26 |
| Cech Thomas R | Director | 13 | $0 | $339.7K | 2020-05-29 |
| WEEKS WENDELL P | Director | 65 | $0 | $2.21M | 2020-05-07 |
| PERLMUTTER ROGER M | Exe V-P & Pres, MRL | 20 | $0 | $16.97M | 2020-05-01 |
| LAZARUS ROCHELLE B | Director | 56 | $0 | $1.78M | 2020-03-31 |
| Scholefield James H | EVP,Chief Info&Digital Officer | 6 | $0 | $0 | 2019-10-30 |
| Noseworthy John H | Director | 10 | $0 | $0 | 2019-03-29 |
| Schechter Adam H | EVP & Pres-Global Human Health | 86 | $0 | $64.31M | 2018-11-01 |
| Watson Ashley | SVP Chief Ethics & Com Officer | 13 | $0 | $3.50M | 2018-10-31 |
| Thompson Craig B. | Director | 7 | $0 | $0 | 2018-05-25 |
| GRADDICK WEIR MIRIAN M | Exe V-P, HR | 52 | $0 | $37.71M | 2018-05-04 |
| Holston Michael J | EVP, Legal | 31 | $0 | $17.82M | 2018-02-27 |
| REPRESAS CARLOS E | Director | 10 | $0 | $0 | 2017-05-26 |
| KIDDER C ROBERT | Director | 8 | $0 | $317.7K | 2017-05-12 |
| AMBROSE ADELE D | Sr.V-P & Chief Comuns Officer | 51 | $0 | $5.68M | 2017-05-09 |
| Golestani Clark | EVP & Chief Info Officer | 42 | $0 | $4.59M | 2016-08-10 |
| COVINGTON JOE P | Director | 1 | $0 | $0 | 2016-06-24 |
| Rosenblatt Michael | Exec V-P & Chief Med Officer | 22 | $0 | $0 | 2016-05-10 |
| HARRISON WILLIAM B JR | Director | 28 | $0 | $0 | 2016-04-13 |
| Deese Willie A | Exe V-P & Pres. MMD | 96 | $0 | $23.38M | 2016-02-22 |
| Kuhlik Bruce N | Exe V-P & Gen Counsel | 59 | $0 | $38.02M | 2015-05-04 |
| Heller Bridgette P | Exe.VP & Pres.Con.Hlth.Care | 19 | $0 | $5.12M | 2014-05-09 |
| Canan John | Sr.V-P Finc-Global Controller | 20 | $0 | $1.91M | 2014-02-24 |
| KELLOGG PETER N | Exe V-P & CFO | 15 | $0 | $0 | 2014-02-24 |
| Do Cuong V | EVP & Chief Strategy Officer | 3 | $0 | $0 | 2013-05-06 |
| KIM PETER S | Exe V-P & Pres, MRL | 12 | $0 | $19.11M | 2013-02-25 |
| Bowles Richard S III | Exe VP&Chief Ethics & ComplOff | 24 | $0 | $2.70M | 2012-05-10 |
| Scalet J Chris | Exe V-P Global Srvs & CIO | 9 | $0 | $0 | 2012-05-02 |
| GOLDSTONE STEVEN F | Director | 2 | $0 | $0 | 2012-03-30 |
| KELLEY WILLAM N | Director | 2 | $0 | $0 | 2012-03-30 |
| TATLOCK ANNE M | Director | 2 | $0 | $0 | 2012-03-30 |
| KOHAN RAUL E | Exe Vice President | 1 | $0 | $0 | 2011-12-31 |
Trade history
| Insider | Role | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|---|
| Seidman Christine E | Director | A Award deriv | 2026-09-30 | 2026-10-01 | 56 | $145.31 | $8.1K | 21,490 | SEC↗ |
| Karsanbhai Surendralal Lanca | Director | A Award deriv | 2026-09-30 | 2026-10-01 | 112 | $145.31 | $16.3K | 5,667 | SEC↗ |
| Coe Mary Ellen | Director | A Award deriv | 2026-09-30 | 2026-10-01 | 206 | $145.31 | $30.0K | 32,420 | SEC↗ |
| Guindo Chirfi | EVP, Access, Policy & Comms | S Sale | 2026-08-13 | 2026-08-13 | 10,000 | $135.00 | $1.35M | 36,613 | SEC↗ |
| Guindo Chirfi | EVP, Access, Policy & Comms | S Sale | 2026-08-13 | 2026-08-13 | 10,000 | $135.00 | $1.35M | 36,613 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise deriv | 2026-08-12 | 2026-08-13 | 13,433 | — | $0 | 0 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise deriv | 2026-08-12 | 2026-08-13 | 41,494 | — | $0 | 0 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-12 | 2026-08-12 | 600 | $132.04 | $79.2K | 110,167 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-12 | 2026-08-12 | 11,099 | $131.61 | $1.46M | 110,767 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise | 2026-08-12 | 2026-08-13 | 13,433 | $84.71 | $1.14M | 125,824 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | S Sale | 2026-08-12 | 2026-08-13 | 80,315 | $133.46 | $10.72M | 45,509 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise | 2026-08-12 | 2026-08-13 | 41,494 | $117.89 | $4.89M | 112,391 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-12 | 2026-08-12 | 600 | $132.04 | $79.2K | 110,167 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-12 | 2026-08-12 | 11,099 | $131.61 | $1.46M | 110,767 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise deriv | 2026-08-12 | 2026-08-13 | 13,433 | — | $0 | 0 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise deriv | 2026-08-12 | 2026-08-13 | 41,494 | — | $0 | 0 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | S Sale | 2026-08-12 | 2026-08-13 | 80,315 | $133.46 | $10.72M | 45,509 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise | 2026-08-12 | 2026-08-13 | 13,433 | $84.71 | $1.14M | 125,824 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise | 2026-08-12 | 2026-08-13 | 41,494 | $117.89 | $4.89M | 112,391 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-11 | 2026-08-12 | 5,427 | $132.35 | $718.3K | 121,866 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-11 | 2026-08-12 | 7,410 | $131.33 | $973.2K | 127,293 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-11 | 2026-08-12 | 5,427 | $132.35 | $718.3K | 121,866 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-11 | 2026-08-12 | 7,410 | $131.33 | $973.2K | 127,293 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-10 | 2026-08-12 | 20,784 | $130.43 | $2.71M | 134,703 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-10 | 2026-08-12 | 20,784 | $130.43 | $2.71M | 134,703 | SEC↗ |
| Guindo Chirfi | EVP, Access, Policy & Comms | S Sale | 2026-08-06 | 2026-08-07 | 15,000 | $131.00 | $1.97M | 46,613 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-06 | 2026-08-10 | 4,945 | $130.23 | $644.0K | 155,787 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-06 | 2026-08-10 | 300 | $131.02 | $39.3K | 155,487 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-06 | 2026-08-10 | 805 | $131.02 | $105.5K | 160,732 | SEC↗ |
| Guindo Chirfi | EVP, Access, Policy & Comms | S Sale | 2026-08-06 | 2026-08-07 | 15,000 | $131.00 | $1.97M | 46,613 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-06 | 2026-08-10 | 300 | $131.02 | $39.3K | 155,487 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-06 | 2026-08-10 | 4,945 | $130.23 | $644.0K | 155,787 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-08-06 | 2026-08-10 | 805 | $131.02 | $105.5K | 160,732 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise deriv | 2026-08-05 | 2026-08-07 | 34,705 | — | $0 | 0 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise deriv | 2026-08-05 | 2026-08-07 | 4,600 | — | $0 | 0 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise deriv | 2026-08-05 | 2026-08-07 | 13,542 | — | $0 | 0 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise deriv | 2026-08-05 | 2026-08-07 | 2,686 | — | $0 | 5,374 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise deriv | 2026-08-05 | 2026-08-07 | 9,709 | — | $0 | 0 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise deriv | 2026-08-05 | 2026-08-07 | 6,311 | — | $0 | 3,154 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | S Sale | 2026-08-05 | 2026-08-07 | 13,542 | $128.77 | $1.74M | 31,716 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise | 2026-08-05 | 2026-08-07 | 4,600 | $77.62 | $357.1K | 36,316 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | S Sale | 2026-08-05 | 2026-08-07 | 4,600 | $128.77 | $592.3K | 31,716 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise | 2026-08-05 | 2026-08-07 | 13,542 | $75.36 | $1.02M | 45,258 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | S Sale | 2026-08-05 | 2026-08-07 | 34,705 | $128.77 | $4.47M | 31,716 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise | 2026-08-05 | 2026-08-07 | 34,705 | $73.73 | $2.56M | 66,421 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise | 2026-08-05 | 2026-08-07 | 2,686 | $84.71 | $227.5K | 20,898 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise | 2026-08-05 | 2026-08-07 | 6,311 | $73.73 | $465.3K | 24,523 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | S Sale | 2026-08-05 | 2026-08-07 | 6,311 | $128.72 | $812.4K | 18,212 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | S Sale | 2026-08-05 | 2026-08-07 | 2,686 | $128.72 | $345.7K | 18,212 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | S Sale | 2026-08-05 | 2026-08-07 | 9,709 | $128.72 | $1.25M | 18,212 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise | 2026-08-05 | 2026-08-07 | 9,709 | $87.10 | $845.7K | 27,921 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise deriv | 2026-08-05 | 2026-08-07 | 34,705 | — | $0 | 0 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise deriv | 2026-08-05 | 2026-08-07 | 13,542 | — | $0 | 0 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise deriv | 2026-08-05 | 2026-08-07 | 4,600 | — | $0 | 0 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | S Sale | 2026-08-05 | 2026-08-07 | 34,705 | $128.77 | $4.47M | 31,716 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise | 2026-08-05 | 2026-08-07 | 34,705 | $73.73 | $2.56M | 66,421 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | S Sale | 2026-08-05 | 2026-08-07 | 13,542 | $128.77 | $1.74M | 31,716 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise | 2026-08-05 | 2026-08-07 | 13,542 | $75.36 | $1.02M | 45,258 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | S Sale | 2026-08-05 | 2026-08-07 | 4,600 | $128.77 | $592.3K | 31,716 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise | 2026-08-05 | 2026-08-07 | 4,600 | $77.62 | $357.1K | 36,316 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise deriv | 2026-08-05 | 2026-08-07 | 2,686 | — | $0 | 5,374 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise deriv | 2026-08-05 | 2026-08-07 | 9,709 | — | $0 | 0 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise deriv | 2026-08-05 | 2026-08-07 | 6,311 | — | $0 | 3,154 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | S Sale | 2026-08-05 | 2026-08-07 | 2,686 | $128.72 | $345.7K | 18,212 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise | 2026-08-05 | 2026-08-07 | 2,686 | $84.71 | $227.5K | 20,898 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | S Sale | 2026-08-05 | 2026-08-07 | 9,709 | $128.72 | $1.25M | 18,212 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise | 2026-08-05 | 2026-08-07 | 9,709 | $87.10 | $845.7K | 27,921 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | S Sale | 2026-08-05 | 2026-08-07 | 6,311 | $128.72 | $812.3K | 18,212 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise | 2026-08-05 | 2026-08-07 | 6,311 | $73.73 | $465.3K | 24,523 | SEC↗ |
| Coe Mary Ellen | Director | A Award deriv | 2026-06-30 | 2026-07-01 | 233 | $128.50 | $30.0K | 31,999 | SEC↗ |
| Karsanbhai Surendralal Lanca | Director | A Award deriv | 2026-06-30 | 2026-07-01 | 126 | $128.50 | $16.3K | 5,519 | SEC↗ |
| Seidman Christine E | Director | A Award deriv | 2026-06-30 | 2026-07-01 | 63 | $128.50 | $8.1K | 21,291 | SEC↗ |
| BAKER DOUGLAS M JR | Director | A Award deriv | 2026-05-29 | 2026-06-02 | 1,853 | $118.72 | $220.0K | 11,518 | SEC↗ |
| Craig Pamela J. | Director | A Award deriv | 2026-05-29 | 2026-06-02 | 1,853 | $118.72 | $220.0K | 34,945 | SEC↗ |
| GLOCER THOMAS H | Director | A Award deriv | 2026-05-29 | 2026-06-02 | 1,853 | $118.72 | $220.0K | 110,912 | SEC↗ |
| LAVIZZO-MOUREY RISA J | Director | A Award deriv | 2026-05-29 | 2026-06-02 | 1,853 | $118.72 | $220.0K | 17,749 | SEC↗ |
| Mayo Stephen | Director | A Award deriv | 2026-05-29 | 2026-06-02 | 1,853 | $118.72 | $220.0K | 14,825 | SEC↗ |
| Rothman Paul | Director | A Award deriv | 2026-05-29 | 2026-06-02 | 1,853 | $118.72 | $220.0K | 34,945 | SEC↗ |
| RUSSO PATRICIA F | Director | A Award deriv | 2026-05-29 | 2026-06-02 | 1,853 | $118.72 | $220.0K | 62,391 | SEC↗ |
| Seidman Christine E | Director | A Award deriv | 2026-05-29 | 2026-06-02 | 1,853 | $118.72 | $220.0K | 21,228 | SEC↗ |
| THULIN INGE G | Director | A Award deriv | 2026-05-29 | 2026-06-02 | 1,853 | $118.72 | $220.0K | 27,470 | SEC↗ |
| Coe Mary Ellen | Director | A Award deriv | 2026-05-29 | 2026-06-02 | 1,853 | $118.72 | $220.0K | 31,766 | SEC↗ |
| Karsanbhai Surendralal Lanca | Director | A Award deriv | 2026-05-29 | 2026-06-02 | 1,853 | $118.72 | $220.0K | 5,392 | SEC↗ |
| Warden Kathy J | Director | A Award deriv | 2026-05-29 | 2026-06-02 | 1,853 | $118.72 | $220.0K | 17,890 | SEC↗ |
| Guindo Chirfi | EVP, Access, Policy & Comms | A Award deriv | 2026-05-05 | 2026-05-07 | 19,402 | — | $0 | 19,402 | SEC↗ |
| Guindo Chirfi | EVP, Access, Policy & Comms | A Award deriv | 2026-05-05 | 2026-05-07 | 6,628 | — | $0 | 6,628 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | A Award deriv | 2026-05-05 | 2026-05-07 | 2,298 | — | $0 | 2,298 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | A Award deriv | 2026-05-05 | 2026-05-07 | 5,045 | — | $0 | 5,045 | SEC↗ |
| Oosthuizen Johannes Jacobus | EVP, Oncology & Int?l | A Award deriv | 2026-05-05 | 2026-05-07 | 31,044 | — | $0 | 31,044 | SEC↗ |
| Oosthuizen Johannes Jacobus | EVP, Oncology & Int?l | A Award deriv | 2026-05-05 | 2026-05-07 | 10,605 | — | $0 | 10,605 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | A Award deriv | 2026-05-05 | 2026-05-07 | 21,731 | — | $0 | 21,731 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | A Award deriv | 2026-05-05 | 2026-05-07 | 7,424 | — | $0 | 7,424 | SEC↗ |
| Foard Brian | EVP, Specialty, Pharma, & ID | A Award deriv | 2026-05-05 | 2026-05-07 | 10,605 | — | $0 | 10,605 | SEC↗ |
| Foard Brian | EVP, Specialty, Pharma, & ID | A Award deriv | 2026-05-05 | 2026-05-07 | 35,351 | — | $0 | 35,351 | SEC↗ |
| Foard Brian | EVP, Specialty, Pharma, & ID | A Award deriv | 2026-05-05 | 2026-05-07 | 31,044 | — | $0 | 31,044 | SEC↗ |
| Davis Robert M | Chairman, CEO & President | A Award deriv | 2026-05-05 | 2026-05-07 | 139,697 | — | $0 | 139,697 | SEC↗ |
| Davis Robert M | Chairman, CEO & President | A Award deriv | 2026-05-05 | 2026-05-07 | 47,724 | — | $0 | 47,724 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | A Award deriv | 2026-05-05 | 2026-05-07 | 11,931 | — | $0 | 11,931 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | A Award deriv | 2026-05-05 | 2026-05-07 | 34,924 | — | $0 | 34,924 | SEC↗ |
| Larson Betty D | EVP, Chief HR Officer | A Award deriv | 2026-05-05 | 2026-05-07 | 7,954 | — | $0 | 7,954 | SEC↗ |
| Larson Betty D | EVP, Chief HR Officer | A Award deriv | 2026-05-05 | 2026-05-07 | 23,283 | — | $0 | 23,283 | SEC↗ |
| Li Dean Y | Executive VP & President, MR | A Award deriv | 2026-05-05 | 2026-05-07 | 19,885 | — | $0 | 19,885 | SEC↗ |
| Li Dean Y | Executive VP & President, MR | A Award deriv | 2026-05-05 | 2026-05-07 | 58,207 | — | $0 | 58,207 | SEC↗ |
| Litchfield Caroline | EVP & CFO | A Award deriv | 2026-05-05 | 2026-05-07 | 15,908 | — | $0 | 15,908 | SEC↗ |
| Litchfield Caroline | EVP & CFO | A Award deriv | 2026-05-05 | 2026-05-07 | 46,566 | — | $0 | 46,566 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | A Award deriv | 2026-05-05 | 2026-05-07 | 4,640 | — | $0 | 4,640 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | A Award deriv | 2026-05-05 | 2026-05-07 | 13,582 | — | $0 | 13,582 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | A Award deriv | 2026-05-05 | 2026-05-07 | 12,064 | — | $0 | 12,064 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | A Award deriv | 2026-05-05 | 2026-05-07 | 35,312 | — | $0 | 35,312 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise deriv | 2026-05-02 | 2026-05-05 | 552 | — | $0 | 0 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise deriv | 2026-05-02 | 2026-05-05 | 383 | — | $0 | 0 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | M Exercise | 2026-05-02 | 2026-05-05 | 552 | $112.16 | $61.9K | 18,371 | SEC↗ |
| Maraldo David R. | EVP & Pres. MMD | F Tax w/h | 2026-05-02 | 2026-05-05 | 159 | $112.16 | $17.8K | 18,212 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | F Tax w/h | 2026-05-02 | 2026-05-05 | 132 | $112.16 | $14.8K | 9,388 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise | 2026-05-02 | 2026-05-05 | 383 | $112.16 | $43.0K | 9,520 | SEC↗ |
| Larson Betty D | EVP, Chief HR Officer | M Exercise deriv | 2026-04-30 | 2026-05-01 | 11,350 | — | $0 | 11,350 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise deriv | 2026-04-30 | 2026-05-01 | 464 | — | $0 | 465 | SEC↗ |
| Larson Betty D | EVP, Chief HR Officer | F Tax w/h | 2026-04-30 | 2026-05-01 | 5,143 | $110.95 | $570.6K | 13,774 | SEC↗ |
| Larson Betty D | EVP, Chief HR Officer | M Exercise | 2026-04-30 | 2026-05-01 | 11,350 | $110.95 | $1.26M | 18,917 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise | 2026-04-30 | 2026-05-01 | 464 | $110.95 | $51.5K | 9,296 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | F Tax w/h | 2026-04-30 | 2026-05-01 | 159 | $110.95 | $17.6K | 9,137 | SEC↗ |
| Oosthuizen Johannes Jacobus | EVP, Oncology & Int?l | M Exercise deriv | 2026-04-29 | 2026-05-01 | 1,377 | — | $0 | 2,755 | SEC↗ |
| Davis Robert M | Chairman, CEO & President | M Exercise deriv | 2026-04-29 | 2026-05-01 | 13,300 | — | $0 | 26,601 | SEC↗ |
| Litchfield Caroline | EVP & CFO | M Exercise deriv | 2026-04-29 | 2026-05-01 | 3,935 | — | $0 | 7,870 | SEC↗ |
| Larson Betty D | EVP, Chief HR Officer | M Exercise deriv | 2026-04-29 | 2026-05-01 | 2,085 | — | $0 | 4,172 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise deriv | 2026-04-29 | 2026-05-01 | 2,951 | — | $0 | 5,903 | SEC↗ |
| Li Dean Y | Executive VP & President, MR | M Exercise deriv | 2026-04-29 | 2026-05-01 | 4,722 | — | $0 | 9,444 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise deriv | 2026-04-29 | 2026-05-01 | 944 | — | $0 | 1,889 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise deriv | 2026-04-29 | 2026-05-01 | 1,377 | — | $0 | 2,755 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | M Exercise deriv | 2026-04-29 | 2026-05-01 | 2,518 | — | $0 | 5,037 | SEC↗ |
| Chattopadhyay Sanat | Exe V-P & Pres. MMD | M Exercise deriv | 2026-04-29 | 2026-05-01 | 2,597 | — | $0 | 5,194 | SEC↗ |
| Guindo Chirfi | EVP, Access, Policy & Comms | M Exercise deriv | 2026-04-29 | 2026-05-01 | 1,967 | — | $0 | 3,935 | SEC↗ |
| Oosthuizen Johannes Jacobus | EVP, Oncology & Int?l | M Exercise | 2026-04-29 | 2026-05-01 | 1,377 | $110.03 | $151.5K | 22,574 | SEC↗ |
| Oosthuizen Johannes Jacobus | EVP, Oncology & Int?l | F Tax w/h | 2026-04-29 | 2026-05-01 | 679 | $110.03 | $74.7K | 21,895 | SEC↗ |
| Davis Robert M | Chairman, CEO & President | M Exercise | 2026-04-29 | 2026-05-01 | 13,300 | $110.03 | $1.46M | 456,902 | SEC↗ |
| Davis Robert M | Chairman, CEO & President | F Tax w/h | 2026-04-29 | 2026-05-01 | 6,551 | $110.03 | $720.8K | 450,351 | SEC↗ |
| Litchfield Caroline | EVP & CFO | M Exercise | 2026-04-29 | 2026-05-01 | 3,935 | $110.03 | $433.0K | 94,239 | SEC↗ |
| Litchfield Caroline | EVP & CFO | F Tax w/h | 2026-04-29 | 2026-05-01 | 1,938 | $110.03 | $213.2K | 92,301 | SEC↗ |
| Larson Betty D | EVP, Chief HR Officer | M Exercise | 2026-04-29 | 2026-05-01 | 2,085 | $110.03 | $229.4K | 8,282 | SEC↗ |
| Larson Betty D | EVP, Chief HR Officer | F Tax w/h | 2026-04-29 | 2026-05-01 | 715 | $110.03 | $78.7K | 7,567 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise | 2026-04-29 | 2026-05-01 | 2,951 | $110.03 | $324.7K | 72,351 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | F Tax w/h | 2026-04-29 | 2026-05-01 | 1,454 | $110.03 | $160.0K | 70,897 | SEC↗ |
| Li Dean Y | Executive VP & President, MR | F Tax w/h | 2026-04-29 | 2026-05-01 | 2,326 | $110.03 | $255.9K | 94,431 | SEC↗ |
| Li Dean Y | Executive VP & President, MR | M Exercise | 2026-04-29 | 2026-05-01 | 4,722 | $110.03 | $519.6K | 96,757 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise | 2026-04-29 | 2026-05-01 | 944 | $110.03 | $103.9K | 9,156 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | F Tax w/h | 2026-04-29 | 2026-05-01 | 324 | $110.03 | $35.6K | 8,832 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise | 2026-04-29 | 2026-05-01 | 1,377 | $110.03 | $151.5K | 32,395 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | F Tax w/h | 2026-04-29 | 2026-05-01 | 679 | $110.03 | $74.7K | 31,716 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | F Tax w/h | 2026-04-29 | 2026-05-01 | 1,241 | $110.03 | $136.5K | 161,537 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | M Exercise | 2026-04-29 | 2026-05-01 | 2,518 | $110.03 | $277.1K | 162,778 | SEC↗ |
| Chattopadhyay Sanat | Exe V-P & Pres. MMD | F Tax w/h | 2026-04-29 | 2026-05-01 | 1,130 | $110.03 | $124.3K | 15,347 | SEC↗ |
| Chattopadhyay Sanat | Exe V-P & Pres. MMD | M Exercise | 2026-04-29 | 2026-05-01 | 2,597 | $110.03 | $285.7K | 16,477 | SEC↗ |
| Guindo Chirfi | EVP, Access, Policy & Comms | M Exercise | 2026-04-29 | 2026-05-01 | 1,967 | $110.03 | $216.4K | 62,582 | SEC↗ |
| Guindo Chirfi | EVP, Access, Policy & Comms | F Tax w/h | 2026-04-29 | 2026-05-01 | 969 | $110.03 | $106.6K | 61,613 | SEC↗ |
| Coe Mary Ellen | Director | A Award deriv | 2026-03-31 | 2026-04-01 | 249 | $120.29 | $30.0K | 29,703 | SEC↗ |
| GLOCER THOMAS H | Director | A Award deriv | 2026-03-31 | 2026-04-01 | 405 | $120.29 | $48.7K | 108,293 | SEC↗ |
| Seidman Christine E | Director | A Award deriv | 2026-03-31 | 2026-04-01 | 68 | $120.29 | $8.1K | 19,238 | SEC↗ |
| Guindo Chirfi | Chief Marketing Officer | S Sale | 2026-02-12 | 2026-02-12 | 10,000 | $121.46 | $1.21M | 60,615 | SEC↗ |
| Li Dean Y | Executive VP & President, MR | S Sale | 2026-02-10 | 2026-02-10 | 10,235 | $117.52 | $1.20M | 92,035 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise deriv | 2026-02-09 | 2026-02-09 | 38,835 | — | $0 | 0 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise deriv | 2026-02-09 | 2026-02-09 | 56,792 | — | $0 | 0 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise deriv | 2026-02-09 | 2026-02-09 | 25,946 | — | $0 | 0 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | S Sale | 2026-02-09 | 2026-02-09 | 25,946 | $119.15 | $3.09M | 68,916 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise | 2026-02-09 | 2026-02-09 | 56,792 | $119.15 | $6.77M | 125,708 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise | 2026-02-09 | 2026-02-09 | 25,946 | $119.15 | $3.09M | 94,862 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | S Sale | 2026-02-09 | 2026-02-09 | 56,792 | $119.15 | $6.77M | 68,916 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | S Sale | 2026-02-09 | 2026-02-09 | 38,835 | $119.15 | $4.63M | 68,916 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | M Exercise | 2026-02-09 | 2026-02-09 | 38,835 | $119.15 | $4.63M | 107,751 | SEC↗ |
| Guindo Chirfi | Chief Marketing Officer | S Sale | 2026-02-09 | 2026-02-09 | 10,000 | $118.41 | $1.18M | 70,615 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise deriv | 2026-02-06 | 2026-02-06 | 5,000 | — | $0 | 4,600 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | S Sale | 2026-02-06 | 2026-02-06 | 37,685 | $120.92 | $4.56M | 160,174 | SEC↗ |
| Oosthuizen Johannes Jacobus | President, U.S. Market | S Sale | 2026-02-06 | 2026-02-06 | 15,000 | $121.87 | $1.83M | 21,197 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | S Sale | 2026-02-06 | 2026-02-06 | 5,000 | $121.91 | $609.5K | 30,838 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise | 2026-02-06 | 2026-02-06 | 5,000 | $77.62 | $388.1K | 35,838 | SEC↗ |
| Guindo Chirfi | Chief Marketing Officer | S Sale | 2026-02-05 | 2026-02-06 | 20,000 | $121.88 | $2.44M | 80,615 | SEC↗ |
| Li Dean Y | Executive VP & President, MR | M Exercise deriv | 2026-02-04 | 2026-02-06 | 15,087 | — | $0 | 0 | SEC↗ |
| Litchfield Caroline | EVP & CFO | M Exercise deriv | 2026-02-04 | 2026-02-06 | 41,997 | — | $0 | 0 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise deriv | 2026-02-04 | 2026-02-06 | 4,000 | — | $0 | 8,130 | SEC↗ |
| Davis Robert M | Chairman, CEO & President | S Sale | 2026-02-04 | 2026-02-06 | 32,462 | $118.35 | $3.84M | 443,602 | SEC↗ |
| Davis Robert M | Chairman, CEO & President | S Sale | 2026-02-04 | 2026-02-06 | 14,972 | $117.38 | $1.76M | 476,064 | SEC↗ |
| Li Dean Y | Executive VP & President, MR | S Sale | 2026-02-04 | 2026-02-06 | 15,087 | $118.77 | $1.79M | 102,270 | SEC↗ |
| Li Dean Y | Executive VP & President, MR | M Exercise | 2026-02-04 | 2026-02-06 | 15,087 | $56.04 | $845.5K | 117,357 | SEC↗ |
| Litchfield Caroline | EVP & CFO | M Exercise | 2026-02-04 | 2026-02-06 | 41,997 | $53.06 | $2.23M | 132,189 | SEC↗ |
| Litchfield Caroline | EVP & CFO | S Sale | 2026-02-04 | 2026-02-06 | 41,997 | $119.61 | $5.02M | 90,192 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise | 2026-02-04 | 2026-02-06 | 4,000 | $62.07 | $248.3K | 14,605 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | S Sale | 2026-02-04 | 2026-02-06 | 4,000 | $119.68 | $478.7K | 10,605 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | S Sale | 2026-02-04 | 2026-02-06 | 2,400 | $119.68 | $287.2K | 8,205 | SEC↗ |
| Chattopadhyay Sanat | Exe V-P & Pres. MMD | A Award | 2026-01-26 | 2026-01-28 | 13,880 | $107.40 | $1.49M | 13,880 | SEC↗ |
| Davis Robert M | Chairman, CEO & President | A Award | 2026-01-26 | 2026-01-28 | 47,434 | $107.40 | $5.09M | 491,036 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | A Award | 2026-01-26 | 2026-01-28 | 12,264 | $107.40 | $1.32M | 197,859 | SEC↗ |
| Guindo Chirfi | Chief Marketing Officer | A Award | 2026-01-26 | 2026-01-28 | 9,865 | $107.40 | $1.06M | 100,615 | SEC↗ |
| Li Dean Y | Executive VP & President, MR | A Award | 2026-01-26 | 2026-01-28 | 20,469 | $107.40 | $2.20M | 102,270 | SEC↗ |
| Litchfield Caroline | EVP & CFO | A Award | 2026-01-26 | 2026-01-28 | 15,852 | $107.40 | $1.70M | 90,192 | SEC↗ |
| Oosthuizen Johannes Jacobus | President, U.S. Market | A Award | 2026-01-26 | 2026-01-28 | 5,026 | $107.40 | $539.8K | 36,197 | SEC↗ |
| Romanelli Joseph | President, Human Health Int? | A Award | 2026-01-26 | 2026-01-28 | 5,703 | $107.40 | $612.5K | 28,739 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | A Award | 2026-01-26 | 2026-01-28 | 1,066 | $107.40 | $114.5K | 10,605 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | A Award | 2026-01-26 | 2026-01-28 | 6,112 | $107.40 | $656.4K | 30,838 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | A Award | 2026-01-26 | 2026-01-28 | 11,583 | $107.40 | $1.24M | 68,916 | SEC↗ |
| Coe Mary Ellen | Director | A Award deriv | 2025-12-31 | 2026-01-05 | 285 | $105.26 | $30.0K | 29,232 | SEC↗ |
| GLOCER THOMAS H | Director | A Award deriv | 2025-12-31 | 2026-01-05 | 463 | $105.26 | $48.8K | 107,076 | SEC↗ |
| Seidman Christine E | Director | A Award deriv | 2025-12-31 | 2026-01-05 | 77 | $105.26 | $8.1K | 19,026 | SEC↗ |
| Downing Cristal N | Chief Comm. & Public Afrs Of | S Sale | 2025-11-10 | 2025-11-12 | 7,085 | $87.00 | $616.4K | 0 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | S Sale | 2025-11-03 | 2025-11-04 | 8,614 | $83.59 | $720.0K | 24,578 | SEC↗ |
| Coe Mary Ellen | Director | A Award deriv | 2025-09-30 | 2025-10-02 | 357 | $83.93 | $30.0K | 28,685 | SEC↗ |
| GLOCER THOMAS H | Director | A Award deriv | 2025-09-30 | 2025-10-02 | 581 | $83.93 | $48.7K | 105,646 | SEC↗ |
| Seidman Christine E | Director | A Award deriv | 2025-09-30 | 2025-10-02 | 97 | $83.93 | $8.1K | 18,776 | SEC↗ |
| Guindo Chirfi | Chief Marketing Officer | M Exercise deriv | 2025-08-04 | 2025-08-05 | 36,903 | — | $0 | 0 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise deriv | 2025-08-04 | 2025-08-05 | 17,119 | — | $0 | 0 | SEC↗ |
| Guindo Chirfi | Chief Marketing Officer | F Tax w/h | 2025-08-04 | 2025-08-05 | 18,175 | $79.29 | $1.44M | 89,234 | SEC↗ |
| Guindo Chirfi | Chief Marketing Officer | M Exercise | 2025-08-04 | 2025-08-05 | 36,903 | $79.29 | $2.93M | 107,409 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | F Tax w/h | 2025-08-04 | 2025-08-05 | 8,432 | $79.29 | $668.6K | 33,013 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | M Exercise | 2025-08-04 | 2025-08-05 | 17,119 | $79.29 | $1.36M | 41,445 | SEC↗ |
| Coe Mary Ellen | Director | A Award deriv | 2025-06-30 | 2025-07-02 | 379 | $79.16 | $30.0K | 28,052 | SEC↗ |
| GLOCER THOMAS H | Director | A Award deriv | 2025-06-30 | 2025-07-02 | 616 | $79.16 | $48.7K | 104,041 | SEC↗ |
| Seidman Christine E | Director | A Award deriv | 2025-06-30 | 2025-07-02 | 103 | $79.16 | $8.1K | 18,496 | SEC↗ |
| BAKER DOUGLAS M JR | Director | A Award deriv | 2025-05-30 | 2025-06-03 | 2,863 | $76.84 | $220.0K | 9,344 | SEC↗ |
| Coe Mary Ellen | Director | A Award deriv | 2025-05-30 | 2025-06-03 | 2,863 | $76.84 | $220.0K | 27,673 | SEC↗ |
| Craig Pamela J. | Director | A Award deriv | 2025-05-30 | 2025-06-03 | 2,863 | $76.84 | $220.0K | 31,991 | SEC↗ |
| GLOCER THOMAS H | Director | A Award deriv | 2025-05-30 | 2025-06-03 | 2,863 | $76.84 | $220.0K | 103,425 | SEC↗ |
| Karsanbhai Surendralal Lanca | Director | A Award deriv | 2025-05-30 | 2025-06-03 | 2,863 | $76.84 | $220.0K | 3,421 | SEC↗ |
| LAVIZZO-MOUREY RISA J | Director | A Award deriv | 2025-05-30 | 2025-06-03 | 2,863 | $76.84 | $220.0K | 15,367 | SEC↗ |
| Mayo Stephen | Director | A Award deriv | 2025-05-30 | 2025-06-03 | 2,863 | $76.84 | $220.0K | 12,540 | SEC↗ |
| Rothman Paul | Director | A Award deriv | 2025-05-30 | 2025-06-03 | 2,863 | $76.84 | $220.0K | 31,991 | SEC↗ |
| RUSSO PATRICIA F | Director | A Award deriv | 2025-05-30 | 2025-06-03 | 2,863 | $76.84 | $220.0K | 58,523 | SEC↗ |
| Seidman Christine E | Director | A Award deriv | 2025-05-30 | 2025-06-03 | 2,863 | $76.84 | $220.0K | 18,393 | SEC↗ |
| THULIN INGE G | Director | A Award deriv | 2025-05-30 | 2025-06-03 | 2,863 | $76.84 | $220.0K | 24,764 | SEC↗ |
| Warden Kathy J | Director | A Award deriv | 2025-05-30 | 2025-06-03 | 2,863 | $76.84 | $220.0K | 15,504 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise deriv | 2025-05-03 | 2025-05-05 | 1,532 | — | $0 | 0 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise deriv | 2025-05-03 | 2025-05-05 | 518 | — | $0 | 0 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | F Tax w/h | 2025-05-03 | 2025-05-05 | 588 | $83.18 | $48.9K | 9,539 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise | 2025-05-03 | 2025-05-05 | 1,532 | $83.18 | $127.4K | 10,127 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | F Tax w/h | 2025-05-03 | 2025-05-05 | 256 | $83.18 | $21.3K | 8,595 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise | 2025-05-03 | 2025-05-05 | 518 | $83.18 | $43.1K | 8,851 | SEC↗ |
| Romanelli Joseph | President, Human Health Int? | M Exercise deriv | 2025-05-02 | 2025-05-02 | 2,262 | — | $0 | 2,262 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise deriv | 2025-05-02 | 2025-05-02 | 381 | — | $0 | 383 | SEC↗ |
| Romanelli Joseph | President, Human Health Int? | F Tax w/h | 2025-05-02 | 2025-05-02 | 1,115 | $83.26 | $92.8K | 22,946 | SEC↗ |
| Romanelli Joseph | President, Human Health Int? | M Exercise | 2025-05-02 | 2025-05-02 | 2,262 | $83.26 | $188.3K | 24,061 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | F Tax w/h | 2025-05-02 | 2025-05-02 | 131 | $83.26 | $10.9K | 8,333 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise | 2025-05-02 | 2025-05-02 | 381 | $83.26 | $31.7K | 8,464 | SEC↗ |
| Larson Betty D | EVP, Chief HR Officer | M Exercise deriv | 2025-04-30 | 2025-05-02 | 11,350 | — | $0 | 22,700 | SEC↗ |
| Romanelli Joseph | President, Human Health Int? | M Exercise deriv | 2025-04-30 | 2025-05-02 | 2,063 | — | $0 | 4,128 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise deriv | 2025-04-30 | 2025-05-02 | 464 | — | $0 | 929 | SEC↗ |
| Larson Betty D | EVP, Chief HR Officer | M Exercise | 2025-04-30 | 2025-05-02 | 11,350 | $84.71 | $961.5K | 11,350 | SEC↗ |
| Larson Betty D | EVP, Chief HR Officer | F Tax w/h | 2025-04-30 | 2025-05-02 | 5,153 | $84.71 | $436.5K | 6,197 | SEC↗ |
| Romanelli Joseph | President, Human Health Int? | F Tax w/h | 2025-04-30 | 2025-05-02 | 1,017 | $84.71 | $86.2K | 21,799 | SEC↗ |
| Romanelli Joseph | President, Human Health Int? | M Exercise | 2025-04-30 | 2025-05-02 | 2,063 | $84.71 | $174.8K | 22,816 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise | 2025-04-30 | 2025-05-02 | 464 | $84.71 | $39.3K | 8,242 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | F Tax w/h | 2025-04-30 | 2025-05-02 | 159 | $84.71 | $13.5K | 8,083 | SEC↗ |
| Romanelli Joseph | President, Human Health Int? | A Award deriv | 2025-04-29 | 2025-05-01 | 4,722 | — | $0 | 4,722 | SEC↗ |
| Romanelli Joseph | President, Human Health Int? | A Award deriv | 2025-04-29 | 2025-05-01 | 9,444 | — | $0 | 9,444 | SEC↗ |
| Romanelli Joseph | President, Human Health Int? | A Award deriv | 2025-04-29 | 2025-05-01 | 21,494 | — | $0 | 21,494 | SEC↗ |
| Guindo Chirfi | Chief Marketing Officer | A Award deriv | 2025-04-29 | 2025-05-01 | 26,867 | — | $0 | 26,867 | SEC↗ |
| Guindo Chirfi | Chief Marketing Officer | A Award deriv | 2025-04-29 | 2025-05-01 | 5,902 | — | $0 | 5,902 | SEC↗ |
| Larson Betty D | EVP, Chief HR Officer | A Award deriv | 2025-04-29 | 2025-05-01 | 6,257 | — | $0 | 6,257 | SEC↗ |
| Larson Betty D | EVP, Chief HR Officer | A Award deriv | 2025-04-29 | 2025-05-01 | 28,479 | — | $0 | 28,479 | SEC↗ |
| Downing Cristal N | Chief Comm. & Public Afrs Of | A Award deriv | 2025-04-29 | 2025-05-01 | 13,971 | — | $0 | 13,971 | SEC↗ |
| Downing Cristal N | Chief Comm. & Public Afrs Of | A Award deriv | 2025-04-29 | 2025-05-01 | 3,069 | — | $0 | 3,069 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | A Award deriv | 2025-04-29 | 2025-05-01 | 40,301 | — | $0 | 40,301 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | A Award deriv | 2025-04-29 | 2025-05-01 | 8,854 | — | $0 | 8,854 | SEC↗ |
| Li Dean Y | Executive VP & President, MR | A Award deriv | 2025-04-29 | 2025-05-01 | 64,481 | — | $0 | 64,481 | SEC↗ |
| Li Dean Y | Executive VP & President, MR | A Award deriv | 2025-04-29 | 2025-05-01 | 14,166 | — | $0 | 14,166 | SEC↗ |
| Oosthuizen Johannes Jacobus | President, U.S. Market | A Award deriv | 2025-04-29 | 2025-05-01 | 18,807 | — | $0 | 18,807 | SEC↗ |
| Oosthuizen Johannes Jacobus | President, U.S. Market | A Award deriv | 2025-04-29 | 2025-05-01 | 4,132 | — | $0 | 4,132 | SEC↗ |
| Davis Robert M | Chairman, CEO & President | A Award deriv | 2025-04-29 | 2025-05-01 | 181,623 | — | $0 | 181,623 | SEC↗ |
| Davis Robert M | Chairman, CEO & President | A Award deriv | 2025-04-29 | 2025-05-01 | 39,901 | — | $0 | 39,901 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | A Award deriv | 2025-04-29 | 2025-05-01 | 7,555 | — | $0 | 7,555 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | A Award deriv | 2025-04-29 | 2025-05-01 | 34,390 | — | $0 | 34,390 | SEC↗ |
| Chattopadhyay Sanat | Exe V-P & Pres. MMD | A Award deriv | 2025-04-29 | 2025-05-01 | 35,465 | — | $0 | 35,465 | SEC↗ |
| Chattopadhyay Sanat | Exe V-P & Pres. MMD | A Award deriv | 2025-04-29 | 2025-05-01 | 7,791 | — | $0 | 7,791 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | A Award deriv | 2025-04-29 | 2025-05-01 | 4,132 | — | $0 | 4,132 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | A Award deriv | 2025-04-29 | 2025-05-01 | 18,807 | — | $0 | 18,807 | SEC↗ |
| Litchfield Caroline | EVP & CFO | A Award deriv | 2025-04-29 | 2025-05-01 | 53,735 | — | $0 | 53,735 | SEC↗ |
| Litchfield Caroline | EVP & CFO | A Award deriv | 2025-04-29 | 2025-05-01 | 11,805 | — | $0 | 11,805 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | A Award deriv | 2025-04-29 | 2025-05-01 | 6,448 | — | $0 | 6,448 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | A Award deriv | 2025-04-29 | 2025-05-01 | 2,833 | — | $0 | 2,833 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise deriv | 2025-04-25 | 2025-04-29 | 5,000 | — | $0 | 0 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | S Sale | 2025-04-25 | 2025-04-29 | 4,262 | $82.76 | $352.7K | 7,778 | SEC↗ |
| Smart Dalton E. III | SVP Fin. - Global Controller | M Exercise | 2025-04-25 | 2025-04-29 | 5,000 | $58.08 | $290.4K | 12,040 | SEC↗ |
| Coe Mary Ellen | Director | A Award deriv | 2025-03-31 | 2025-04-02 | 334 | $89.76 | $30.0K | 24,568 | SEC↗ |
| GLOCER THOMAS H | Director | A Award deriv | 2025-03-31 | 2025-04-02 | 543 | $89.76 | $48.8K | 99,579 | SEC↗ |
| Seidman Christine E | Director | A Award deriv | 2025-03-31 | 2025-04-02 | 91 | $89.76 | $8.1K | 15,378 | SEC↗ |
| Oosthuizen Johannes Jacobus | President, U.S. Market | S Sale | 2025-02-19 | 2025-02-20 | 8,500 | $84.09 | $714.8K | 30,705 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | S Sale | 2025-02-13 | 2025-02-13 | 6,000 | $85.34 | $512.0K | 24,123 | SEC↗ |
| Oosthuizen Johannes Jacobus | President, U.S. Market | M Exercise deriv | 2025-02-08 | 2025-02-11 | 13,002 | — | $0 | 0 | SEC↗ |
| Oosthuizen Johannes Jacobus | President, U.S. Market | M Exercise | 2025-02-08 | 2025-02-11 | 13,002 | $87.28 | $1.13M | 45,609 | SEC↗ |
| Oosthuizen Johannes Jacobus | President, U.S. Market | F Tax w/h | 2025-02-08 | 2025-02-11 | 6,404 | $87.28 | $558.9K | 39,205 | SEC↗ |
| Downing Cristal N | Chief Comm. & Public Afrs Of | S Sale | 2025-02-06 | 2025-02-07 | 2,361 | $88.76 | $209.6K | 7,085 | SEC↗ |
| THULIN INGE G | Director | P Buy | 2025-02-06 | 2025-02-07 | 2,833 | $88.25 | $250.0K | 2,933 | SEC↗ |
| BAKER DOUGLAS M JR | Director | P Buy | 2025-02-05 | 2025-02-07 | 15,000 | $88.50 | $1.33M | 16,000 | SEC↗ |
| Guindo Chirfi | Chief Marketing Officer | A Award | 2025-01-27 | 2025-01-29 | 28,158 | $97.94 | $2.76M | 69,144 | SEC↗ |
| Chattopadhyay Sanat | Exe V-P & Pres. MMD | A Award | 2025-01-27 | 2025-01-29 | 28,136 | $97.94 | $2.76M | 78,758 | SEC↗ |
| Davis Robert M | Chairman, CEO & President | A Award | 2025-01-27 | 2025-01-29 | 95,275 | $97.94 | $9.33M | 443,602 | SEC↗ |
| DeLuca Richard R. | EVP&Pres, Merck Animal Heall | A Award | 2025-01-27 | 2025-01-29 | 25,438 | $97.94 | $2.49M | 178,993 | SEC↗ |
| Downing Cristal N | Chief Comm. & Public Afrs Of | A Award | 2025-01-27 | 2025-01-29 | 9,446 | $97.94 | $925.1K | 9,446 | SEC↗ |
| Li Dean Y | Executive VP & President, MR | A Award | 2025-01-27 | 2025-01-29 | 32,621 | $97.94 | $3.19M | 79,592 | SEC↗ |
| Litchfield Caroline | EVP & CFO | A Award | 2025-01-27 | 2025-01-29 | 23,432 | $97.94 | $2.29M | 74,340 | SEC↗ |
| Oosthuizen Johannes Jacobus | President, U.S. Market | A Award | 2025-01-27 | 2025-01-29 | 8,664 | $97.94 | $848.6K | 32,607 | SEC↗ |
| Smart Dalton | SVP Fin. - Global Controller | A Award | 2025-01-27 | 2025-01-29 | 2,586 | $97.94 | $253.3K | 7,014 | SEC↗ |
| Williams David Michael | EVP,Chief Info&Digital Offic | A Award | 2025-01-27 | 2025-01-29 | 10,246 | $97.94 | $1.00M | 30,123 | SEC↗ |
| Zachary Jennifer | EVP, General Counsel | A Award | 2025-01-27 | 2025-01-29 | 25,423 | $97.94 | $2.49M | 55,286 | SEC↗ |