MRK insider transactions
Merck & Company Inc. (MRK) Form 4 insider transactions - real-time wire coverage of every officer, director, and 10% owner trade.
MRK insiders
Everyone who has filed a Form 3, 4, 5 or 144 at Merck & Company Inc., latest first. Follow anyone to get their next filing.
- Paul J DiazDirector, since November 2026
- Christine E SeidmanDirector
- Surendralal Lanca KarsanbhaiDirector, since January 2025
- Mary Ellen CoeDirector
- Gaurav K GuptaEVP, Cido, since September 2026
- Chirfi GuindoEVP, Access, Policy & Comms, since July 2022-$8.15M
- Jennifer ZacharyEVP, General Counsel-$57.9M
- Richard R. DeLucaEVP&Pres, Merck Animal Heallth-$63.3M
- David R. MaraldoEVP & Pres. MMD, since May 2026-$2.41M
- David Michael WilliamsEVP,Chief Info&Digital Officer-$9.71M
- Kathy J WardenDirector
- Inge G ThulinDirector+$250K
- Patricia F RussoDirector
- Paul RothmanDirector
- Stephen MayoDirector, since March 2021
- Risa J Lavizzo-MoureyDirector
- Thomas H GlocerDirector
- Pamela J. CraigDirector
- Douglas M Baker JrDirector, since May 2022+$1.33M
- Caroline LitchfieldEVP & CFO, since April 2021-$11.5M
- Dean Y LiExecutive VP & President, MRL-$4.84M
- Betty D LarsonEVP, Chief HR Officer, since April 2024
- Robert M DavisChairman, CEO & President, Director-$68.8M
- Brian FoardEVP, Specialty, Pharma, & ID, since March 2026
- Johannes Jacobus OosthuizenEVP, Oncology & Int?l, since February 2022-$10.2M
- Dalton E. Smart IIISVP Fin. - Global Controller, since December 2023-$1.12M
- Sanat ChattopadhyayExe V-P & Pres. MMD-$37M
- Joseph RomanelliPresident, Human Health Int?l, since July 2022+$44.3K-$670K
- Cristal N DowningChief Comm. & Public Afrs Ofcr, since August 2021-$826K
- Michael A KlobucharEVP - Chief Strategy Officer, since July 2021
- Peter C WendellDirector
- Steven MizellEVP, Chief HR Officer-$20.9M
- Lisa LeCointe-CephasOfficer, since April 2021
- Rita A KarachunOfficer-$7.29M
- Kenneth C FrazierOfficer, Director-$271M
- Arpa GarayOfficer, since February 2022
- Julie L. GerberdingOfficer-$8.46M
- Frank ClyburnOfficer-$5.01M
- Michael NallyOfficer
- Michael FlemingOfficer
Recent Form 3, 4, and 5 filings for MRK
- SEC Form 4 filed by Director Diaz Paul J4 - Merck & Co., Inc. (0000310158) (Issuer)
- New insider Diaz Paul J claimed ownership of 296 shares (SEC Form 3)3 - Merck & Co., Inc. (0000310158) (Issuer)
- Amendment: SEC Form 3/A filed by Merck & Company Inc.3/A - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Seidman Christine E4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Karsanbhai Surendralal Lanca4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Coe Mary Ellen4 - Merck & Co., Inc. (0000310158) (Issuer)
- New insider Gupta Gaurav K claimed ownership of 750 shares (SEC Form 3)3 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP, Access, Policy & Comms Guindo Chirfi sold $1,350,000 worth of shares (10,000 units at $135.00), decreasing direct ownership by 21% to 36,613 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP, General Counsel Zachary Jennifer exercised 54,927 shares at a strike of $109.78 and sold $10,718,495 worth of shares (80,315 units at $133.46), decreasing direct ownership by 36% to 45,509 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP&Pres, Merck Animal Heallth Deluca Richard R. sold $5,942,369 worth of shares (45,320 units at $131.12), decreasing direct ownership by 29% to 110,167 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP&Pres, Merck Animal Heallth Deluca Richard R. sold $788,773 worth of shares (6,050 units at $130.38), decreasing direct ownership by 4% to 155,487 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP & Pres. MMD Maraldo David R. exercised 18,706 shares at a strike of $82.25 and sold $2,407,797 worth of shares (18,706 units at $128.72) (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP,Chief Info&Digital Officer Williams David Michael exercised 52,847 shares at a strike of $74.49 and sold $6,805,145 worth of shares (52,847 units at $128.77), increasing direct ownership by 0.00% to 31,716 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP, Access, Policy & Comms Guindo Chirfi sold $1,965,000 worth of shares (15,000 units at $131.00), decreasing direct ownership by 24% to 46,613 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Seidman Christine E4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Karsanbhai Surendralal Lanca4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Coe Mary Ellen4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Warden Kathy J4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Karsanbhai Surendralal Lanca4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Coe Mary Ellen4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Thulin Inge G4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Seidman Christine E4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Russo Patricia F4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Rothman Paul4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Mayo Stephen4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Lavizzo-Mourey Risa J4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Glocer Thomas H4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Craig Pamela J.4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Director Baker Douglas M Jr4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by EVP, General Counsel Zachary Jennifer4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by EVP,Chief Info&Digital Officer Williams David Michael4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by EVP & CFO Litchfield Caroline4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Executive VP & President, MRL Li Dean Y4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by EVP, Chief HR Officer Larson Betty D4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by EVP&Pres, Merck Animal Heallth Deluca Richard R.4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Chairman, CEO & President Davis Robert M4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by EVP, Specialty, Pharma, & ID Foard Brian4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by EVP & Pres. MMD Maraldo David R.4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by EVP, Oncology & Int?l Oosthuizen Johannes Jacobus4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by SVP Fin. - Global Controller Smart Dalton E. Iii4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by EVP, Access, Policy & Comms Guindo Chirfi4 - Merck & Co., Inc. (0000310158) (Issuer)
- SVP Fin. - Global Controller Smart Dalton E. Iii exercised 383 shares at a strike of $112.16 and covered exercise/tax liability with 132 shares, increasing direct ownership by 3% to 9,388 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP & Pres. MMD Maraldo David R. exercised 552 shares at a strike of $112.16 and covered exercise/tax liability with 159 shares, increasing direct ownership by 2% to 18,212 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- Amendment: New insider Maraldo David R. claimed ownership of 17,819 shares and claimed ownership of 8,359 units of Common Stock - 401 Plan (SEC Form 3)3/A - Merck & Co., Inc. (0000310158) (Issuer)
- New insider Maraldo David R. claimed ownership of 8,359 units of Common Stock - 401 Plan and claimed ownership of 17,819 shares (SEC Form 3)3 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP, Access, Policy & Comms Guindo Chirfi exercised 1,967 shares at a strike of $110.03 and covered exercise/tax liability with 969 shares, increasing direct ownership by 2% to 61,613 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- Exe V-P & Pres. MMD Chattopadhyay Sanat exercised 2,597 shares at a strike of $110.03 and covered exercise/tax liability with 1,130 shares, increasing direct ownership by 11% to 15,347 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP&Pres, Merck Animal Heallth Deluca Richard R. exercised 2,518 shares at a strike of $110.03 and covered exercise/tax liability with 1,241 shares, increasing direct ownership by 0.80% to 161,537 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP,Chief Info&Digital Officer Williams David Michael exercised 1,377 shares at a strike of $110.03 and covered exercise/tax liability with 679 shares, increasing direct ownership by 2% to 31,716 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- SVP Fin. - Global Controller Smart Dalton E. Iii exercised 1,408 shares at a strike of $110.33 and covered exercise/tax liability with 483 shares, increasing direct ownership by 11% to 9,137 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- Executive VP & President, MRL Li Dean Y covered exercise/tax liability with 2,326 shares and exercised 4,722 shares at a strike of $110.03, increasing direct ownership by 3% to 94,431 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP, General Counsel Zachary Jennifer exercised 2,951 shares at a strike of $110.03 and covered exercise/tax liability with 1,454 shares, increasing direct ownership by 2% to 70,897 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP, Chief HR Officer Larson Betty D exercised 13,435 shares at a strike of $110.81 and covered exercise/tax liability with 5,858 shares, increasing direct ownership by 122% to 13,774 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP & CFO Litchfield Caroline exercised 3,935 shares at a strike of $110.03 and covered exercise/tax liability with 1,938 shares, increasing direct ownership by 2% to 92,301 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- Chairman, CEO & President Davis Robert M exercised 13,300 shares at a strike of $110.03 and covered exercise/tax liability with 6,551 shares, increasing direct ownership by 2% to 450,351 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- EVP, Oncology & Int?l Oosthuizen Johannes Jacobus exercised 1,377 shares at a strike of $110.03 and covered exercise/tax liability with 679 shares, increasing direct ownership by 3% to 21,895 units (SEC Form 4)4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Seidman Christine E4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Glocer Thomas H4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 4 filed by Coe Mary Ellen4 - Merck & Co., Inc. (0000310158) (Issuer)
- SEC Form 3 filed by new insider Foard Brian3 - Merck & Co., Inc. (0000310158) (Issuer)