Insider Transactions last 24 months for Merck & Co., Inc. - NYSE: MRK
Transactions
All
Buy
Sell
Option Exercise
Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Guindo Chirfi Chief Marketing Officer 08/04/2025 DF Direct COM 18,175 $79.29 $1,441,095.75 89,234 Guindo Chirfi Chief Marketing Officer 08/04/2025 AM Direct COM 36,903 $79.29 $2,926,038.87 107,409 Williams David Michael EVP,Chief Info&Digital Officer 08/04/2025 DF Direct COM 8,432 $79.29 $668,573.28 33,013 Williams David Michael EVP,Chief Info&Digital Officer 08/04/2025 AM Direct COM 17,119 $79.29 $1,357,365.51 41,445 Smart Dalton E. Iii SVP Fin. - Global Controller 05/03/2025 DF Direct COM 588 $83.18 $48,909.84 9,539 Smart Dalton E. Iii SVP Fin. - Global Controller 05/03/2025 AM Direct COM 1,532 $83.18 $127,431.76 10,127 Smart Dalton E. Iii SVP Fin. - Global Controller 05/03/2025 DF Direct COM 256 $83.18 $21,294.08 8,595 Smart Dalton E. Iii SVP Fin. - Global Controller 05/03/2025 AM Direct COM 518 $83.18 $43,087.24 8,851 Romanelli Joseph President, Human Health Int?l 05/02/2025 DF Direct COM 1,115 $83.26 $92,834.90 22,946 Romanelli Joseph President, Human Health Int?l 05/02/2025 AM Direct COM 2,262 $83.26 $188,334.12 24,061 Smart Dalton E. Iii SVP Fin. - Global Controller 05/02/2025 DF Direct COM 131 $83.26 $10,907.06 8,333 Smart Dalton E. Iii SVP Fin. - Global Controller 05/02/2025 AM Direct COM 381 $83.26 $31,722.06 8,464 Larson Betty D EVP, Chief HR Officer 04/30/2025 DF Direct COM 5,153 $84.71 $436,510.63 6,197 Larson Betty D EVP, Chief HR Officer 04/30/2025 AM Direct COM 11,350 $84.71 $961,458.50 11,350 Romanelli Joseph President, Human Health Int?l 04/30/2025 DF Direct COM 1,017 $84.71 $86,150.07 21,799 Romanelli Joseph President, Human Health Int?l 04/30/2025 AM Direct COM 2,063 $84.71 $174,756.73 22,816 Smart Dalton E. Iii SVP Fin. - Global Controller 04/30/2025 DF Direct COM 159 $84.71 $13,468.89 8,083 Smart Dalton E. Iii SVP Fin. - Global Controller 04/30/2025 AM Direct COM 464 $84.71 $39,305.44 8,242 Smart Dalton E. Iii SVP Fin. - Global Controller 04/25/2025 DS Direct COM 4,262 $82.76 $352,723.12 7,778 Smart Dalton E. Iii SVP Fin. - Global Controller 04/25/2025 AM Direct COM 5,000 $58.08 $290,400.00 12,040 Oosthuizen Johannes Jacobus President, U.S. Market 02/19/2025 DS Direct COM 8,500 $84.09 $714,744.60 30,705 Williams David Michael EVP,Chief Info&Digital Officer 02/13/2025 DS Direct COM 6,000 $85.34 $512,056.80 24,123 Oosthuizen Johannes Jacobus President, U.S. Market 02/08/2025 DF Direct COM 6,404 $87.28 $558,941.12 39,205 Oosthuizen Johannes Jacobus President, U.S. Market 02/08/2025 AM Direct COM 13,002 $87.28 $1,134,814.56 45,609 Downing Cristal N Chief Comm. & Public Afrs Ofcr 02/06/2025 DS Direct COM 2,361 $88.76 $209,550.79 7,085
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Thulin Inge G Director 02/06/2025 AP Direct COM 2,833 $88.25 $249,999.98 2,933 Baker Douglas M Jr Director 02/05/2025 AP Direct COM 15,000 $88.50 $1,327,500.00 16,000 Guindo Chirfi Chief Marketing Officer 01/27/2025 AA Direct COM 28,158 $97.94 $2,757,794.52 69,144 Chattopadhyay Sanat Exe V-P & Pres. MMD 01/27/2025 AA Direct COM 28,136 $97.94 $2,755,639.84 78,758 Davis Robert M Chairman, CEO & President 01/27/2025 AA Direct COM 95,275 $97.94 $9,331,233.50 443,602 Deluca Richard R. EVP&Pres, Merck Animal Heallth 01/27/2025 AA Direct COM 25,438 $97.94 $2,491,397.72 178,993 Downing Cristal N Chief Comm. & Public Afrs Ofcr 01/27/2025 AA Direct COM 9,446 $97.94 $925,141.24 9,446 Li Dean Y Executive VP & President, MRL 01/27/2025 AA Direct COM 32,621 $97.94 $3,194,900.74 79,592 Litchfield Caroline EVP & CFO 01/27/2025 AA Direct COM 23,432 $97.94 $2,294,930.08 74,340 Oosthuizen Johannes Jacobus President, U.S. Market 01/27/2025 AA Direct COM 8,664 $97.94 $848,552.16 32,607 Smart Dalton SVP Fin. - Global Controller 01/27/2025 AA Direct COM 2,586 $97.94 $253,272.84 7,014 Williams David Michael EVP,Chief Info&Digital Officer 01/27/2025 AA Direct COM 10,246 $97.94 $1,003,493.24 30,123 Zachary Jennifer EVP, General Counsel 01/27/2025 AA Direct COM 25,423 $97.94 $2,489,928.62 55,286 Klobuchar Michael A EVP - Chief Strategy Officer 01/22/2024 AA Direct COM 3,896 $119.43 $465,299.28 23,098 Litchfield Caroline EVP & CFO 01/22/2024 AA Direct COM 19,208 $119.43 $2,294,011.44 50,908 Chattopadhyay Sanat Exe V-P & Pres. MMD 01/22/2024 AA Direct COM 26,716 $119.43 $3,190,691.88 26,716 Deluca Richard R. EVP&Pres, Merck Animal Heallth 01/22/2024 AA Direct COM 23,296 $119.43 $2,782,241.28 135,783 Davis Robert M Chairman, CEO & President 01/22/2024 AA Direct COM 76,510 $119.43 $9,137,589.30 348,327 Li Dean Y Executive VP & President, MRL 01/22/2024 AA Direct COM 25,760 $119.43 $3,076,516.80 46,242 Zachary Jennifer EVP, General Counsel 01/22/2024 AA Direct COM 23,298 $119.43 $2,782,480.14 59,140 Mizell Steven EVP, Chief HR Officer 01/22/2024 AA Direct COM 18,384 $119.43 $2,195,601.12 41,319 Williams David Michael EVP,Chief Info&Digital Officer 01/22/2024 AA Direct COM 10,196 $119.43 $1,217,708.28 21,263 Smart Dalton SVP Fin. - Global Controller 01/22/2024 AA Direct COM 2,661 $119.43 $317,803.23 2,667 Oosthuizen Johannes Jacobus President, U.S. Market 01/22/2024 AA Direct COM 3,133 $119.43 $374,174.19 21,349
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Guindo Chirfi Chief Marketing Officer 08/04/2025 DF Direct COM 18,175 $79.29 $1,441,095.75 89,234 Williams David Michael EVP,Chief Info&Digital Officer 08/04/2025 DF Direct COM 8,432 $79.29 $668,573.28 33,013 Smart Dalton E. Iii SVP Fin. - Global Controller 05/03/2025 DF Direct COM 588 $83.18 $48,909.84 9,539 Smart Dalton E. Iii SVP Fin. - Global Controller 05/03/2025 DF Direct COM 256 $83.18 $21,294.08 8,595 Romanelli Joseph President, Human Health Int?l 05/02/2025 DF Direct COM 1,115 $83.26 $92,834.90 22,946 Smart Dalton E. Iii SVP Fin. - Global Controller 05/02/2025 DF Direct COM 131 $83.26 $10,907.06 8,333 Larson Betty D EVP, Chief HR Officer 04/30/2025 DF Direct COM 5,153 $84.71 $436,510.63 6,197 Romanelli Joseph President, Human Health Int?l 04/30/2025 DF Direct COM 1,017 $84.71 $86,150.07 21,799 Smart Dalton E. Iii SVP Fin. - Global Controller 04/30/2025 DF Direct COM 159 $84.71 $13,468.89 8,083 Smart Dalton E. Iii SVP Fin. - Global Controller 04/25/2025 DS Direct COM 4,262 $82.76 $352,723.12 7,778 Oosthuizen Johannes Jacobus President, U.S. Market 02/19/2025 DS Direct COM 8,500 $84.09 $714,744.60 30,705 Williams David Michael EVP,Chief Info&Digital Officer 02/13/2025 DS Direct COM 6,000 $85.34 $512,056.80 24,123 Oosthuizen Johannes Jacobus President, U.S. Market 02/08/2025 DF Direct COM 6,404 $87.28 $558,941.12 39,205 Downing Cristal N Chief Comm. & Public Afrs Ofcr 02/06/2025 DS Direct COM 2,361 $88.76 $209,550.79 7,085 Guindo Chirfi Chief Marketing Officer 08/05/2024 DF Direct COM 17,412 $115.20 $2,005,862.40 40,370 Oosthuizen Johannes Jacobus President, U.S. Market 05/04/2024 DF Direct COM 450 $127.51 $57,379.50 23,821 Klobuchar Michael A EVP - Chief Strategy Officer 05/04/2024 DF Direct COM 437 $127.51 $55,721.87 23,621 Deluca Richard R. EVP&Pres, Merck Animal Heallth 05/04/2024 DF Direct COM 13,360 $127.51 $1,703,533.60 150,360 Smart Dalton SVP Fin. - Global Controller 05/04/2024 DF Direct COM 302 $127.51 $38,508.02 4,428 Smart Dalton SVP Fin. - Global Controller 05/03/2024 DF Direct COM 590 $128.26 $75,673.40 4,118 Smart Dalton SVP Fin. - Global Controller 05/03/2024 DF Direct COM 255 $128.26 $32,706.30 3,178 Smart Dalton SVP Fin. - Global Controller 05/02/2024 DF Direct COM 131 $128.80 $16,872.80 2,917 Romanelli Joseph President, Human Health Int?l 05/02/2024 DF Direct COM 1,115 $128.80 $143,612.00 20,716 Davis Robert M Chairman, CEO & President 02/14/2024 DS Direct COM 85,021 $125.40 $10,661,573.89 348,327 Litchfield Caroline EVP & CFO 02/14/2024 DS Direct COM 38,291 $125.50 $4,805,520.50 50,908
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Guindo Chirfi Chief Marketing Officer 08/04/2025 AM Direct COM 36,903 $79.29 $2,926,038.87 107,409 Williams David Michael EVP,Chief Info&Digital Officer 08/04/2025 AM Direct COM 17,119 $79.29 $1,357,365.51 41,445 Smart Dalton E. Iii SVP Fin. - Global Controller 05/03/2025 AM Direct COM 1,532 $83.18 $127,431.76 10,127 Smart Dalton E. Iii SVP Fin. - Global Controller 05/03/2025 AM Direct COM 518 $83.18 $43,087.24 8,851 Romanelli Joseph President, Human Health Int?l 05/02/2025 AM Direct COM 2,262 $83.26 $188,334.12 24,061 Smart Dalton E. Iii SVP Fin. - Global Controller 05/02/2025 AM Direct COM 381 $83.26 $31,722.06 8,464 Larson Betty D EVP, Chief HR Officer 04/30/2025 AM Direct COM 11,350 $84.71 $961,458.50 11,350 Romanelli Joseph President, Human Health Int?l 04/30/2025 AM Direct COM 2,063 $84.71 $174,756.73 22,816 Smart Dalton E. Iii SVP Fin. - Global Controller 04/30/2025 AM Direct COM 464 $84.71 $39,305.44 8,242 Smart Dalton E. Iii SVP Fin. - Global Controller 04/25/2025 AM Direct COM 5,000 $58.08 $290,400.00 12,040 Oosthuizen Johannes Jacobus President, U.S. Market 02/08/2025 AM Direct COM 13,002 $87.28 $1,134,814.56 45,609 Guindo Chirfi Chief Marketing Officer 08/05/2024 AM Direct COM 36,901 $115.20 $4,250,995.20 57,782 Oosthuizen Johannes Jacobus President, U.S. Market 05/04/2024 AM Direct COM 912 $127.51 $116,289.12 24,271 Klobuchar Michael A EVP - Chief Strategy Officer 05/04/2024 AM Direct COM 887 $127.51 $113,101.37 24,058 Deluca Richard R. EVP&Pres, Merck Animal Heallth 05/04/2024 AM Direct COM 27,126 $127.51 $3,458,836.26 163,720 Smart Dalton SVP Fin. - Global Controller 05/04/2024 AM Direct COM 612 $127.51 $78,036.12 4,730 Smart Dalton SVP Fin. - Global Controller 05/03/2024 AM Direct COM 1,530 $128.26 $196,237.80 4,708 Smart Dalton SVP Fin. - Global Controller 05/03/2024 AM Direct COM 516 $128.26 $66,182.16 3,433 Smart Dalton SVP Fin. - Global Controller 05/02/2024 AM Direct COM 381 $128.80 $49,072.80 3,048 Romanelli Joseph President, Human Health Int?l 05/02/2024 AM Direct COM 2,262 $128.80 $291,345.60 21,831 Davis Robert M Chairman, CEO & President 02/14/2024 AM Direct COM 85,021 $73.73 $6,268,598.33 433,348 Litchfield Caroline EVP & CFO 02/14/2024 AM Direct COM 38,291 $58.08 $2,223,941.28 89,199 Davis Robert M Chairman, CEO & President 02/13/2024 AM Direct COM 108,491 $73.73 $7,999,041.43 498,327 Davis Robert M Chairman, CEO & President 02/13/2024 AM Direct COM 41,509 $75.36 $3,128,118.24 389,836 Li Dean Y Executive VP & President, MRL 02/09/2024 AM Direct COM 14,702 $62.07 $912,553.14 60,944
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Transaction Type Key A = Acquired, D = Disposed A = Grant, award or other acquisition pursuant to Rule 16b-3(d)
C = Conversion of derivative security |
D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) |
E = Expiration of short derivative position |
F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. |
G = Gift |
H = Expiration (or cancellation) of long derivative position with value received |
I = Discretionary transaction in accordance with Rule 16b-3(f) |
J = Other |
L = Small acquisition under Rule 16a-6 |
M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 |
O = Exercise of out-of-the-money derivative security |
P = Open market or private purchase |
S = Open market or private sale |
U = Disposition pursuant to a tender of shares in a change of control transaction |
W = Acquisition or disposition by will or the laws of descent and distribution |
X = Exercise of in-the-money or at-the-money derivative security |
Z = Deposit into or withdrawal from voting trust
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