MERCK & CO. INC. (MRK) Stock Ownership

NYSE:MRK • US58933Y1055

Current stock price

122.78 USD
-0.4 (-0.32%)
Last:

MRK Ownership information

MRK Ownership Chart.MRK Ownership Chart: showing Insider, Institutional ownership and shares available to the public.MRK Ownership.InsiderInstitutionalPublic



Shares Outstanding2.47B
Float2.47B
Float Short Interest Percentage1.18%
Owners (insider)0.05%
Owners (institutional)81.17%
Owners (insider) change-0.69%
Owners (institutional) change0%
MRK Institutional Ownership HistoryMRK Institutional Ownership HistoryMRK Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 Mar 2026 1B 2B 3B
MRK Historical Insider Transactions ChartMRK Historical Insider Buy and Sell Transactions ChartMRK Historical Insider Transactions May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 0 100K -100K -200K -300K
DateNameTypeSharesPriceAmount
Feb 12, 2026Guindo ChirfiOpen Market Sale10000121.46$ 1,214,562.00
Feb 10, 2026Li Dean YOpen Market Sale10235117.52$ 1,202,843.81
Feb 9, 2026Guindo ChirfiOpen Market Sale10000118.41$ 1,184,101.00
Feb 9, 2026Zachary JenniferOption Excercise121573119.15$ 14,485,690.41
Feb 9, 2026Zachary JenniferOpen Market Sale121573119.15$ 14,485,690.41
Feb 6, 2026Williams David MichaelOption Excercise500077.62$ 388,100.00
Feb 6, 2026Williams David MichaelOpen Market Sale5000121.91$ 609,525.00
Feb 6, 2026Oosthuizen Johannes JacobusOpen Market Sale15000121.87$ 1,827,991.50
Feb 6, 2026DeLuca Richard R.Open Market Sale37685120.92$ 4,557,024.71
Feb 5, 2026Guindo ChirfiOpen Market Sale20000121.88$ 2,437,676.00
Feb 4, 2026Davis Robert MOpen Market Sale47434118.04$ 5,599,327.27
Feb 4, 2026Smart DaltonOption Excercise400062.07$ 248,280.00
Feb 4, 2026Smart DaltonOpen Market Sale6400119.68$ 765,920.00
Feb 4, 2026Litchfield CarolineOption Excercise4199753.06$ 2,228,360.82
Feb 4, 2026Litchfield CarolineOpen Market Sale41997119.61$ 5,023,311.57
Feb 4, 2026Li Dean YOption Excercise1508756.04$ 845,475.48
Feb 4, 2026Li Dean YOpen Market Sale15087118.77$ 1,791,824.15
Jan 26, 2026Davis Robert MGrant47434107.40$ 5,094,411.60
Jan 26, 2026Chattopadhyay SanatGrant13880107.40$ 1,490,712.00
Jan 26, 2026Williams David MichaelGrant6112107.40$ 656,428.80
Jan 26, 2026Smart DaltonGrant1066107.40$ 114,488.40
Jan 26, 2026Romanelli JosephGrant5703107.40$ 612,502.20
Jan 26, 2026Oosthuizen Johannes JacobusGrant5026107.40$ 539,792.40
Jan 26, 2026Litchfield CarolineGrant15852107.40$ 1,702,504.80
Jan 26, 2026Li Dean YGrant20469107.40$ 2,198,370.60
Jan 26, 2026Guindo ChirfiGrant9865107.40$ 1,059,501.00
Jan 26, 2026DeLuca Richard R.Grant12264107.40$ 1,317,153.60
Jan 26, 2026Zachary JenniferGrant11583107.40$ 1,244,014.20
Nov 10, 2025Downing Cristal NOpen Market Sale708587.00$ 616,395.00
Nov 3, 2025Williams David MichaelOpen Market Sale861483.59$ 720,039.95
May 3, 2025Smart DaltonOption Excercise205083.18$ 170,519.00
May 3, 2025Smart DaltonOption Excercise84483.18$ 70,203.92
Apr 30, 2025Smart DaltonOption Excercise84584.06$ 71,027.50
Apr 30, 2025Smart DaltonOption Excercise29084.06$ 24,375.95
Apr 30, 2025Romanelli JosephOption Excercise432583.95$ 363,090.85
Apr 30, 2025Romanelli JosephOption Excercise213283.95$ 178,984.97
Apr 30, 2025Larson Betty DOption Excercise1135084.71$ 961,458.50
Apr 30, 2025Larson Betty DOption Excercise515384.71$ 436,510.63
Apr 25, 2025Smart DaltonOption Excercise500058.08$ 290,400.00
Apr 25, 2025Smart DaltonOpen Market Sale426282.76$ 352,723.12