Merck (MRK)3

Gupta Gaurav K initial ownership report (2 holdings)

Sep 1
Merck (MRK)144

RICHARD ROBERT DELUCA JR plans to sell 11,699 Common ($1.5M)

Aug 13
Merck (MRK)144

JENNIFER L ZACHARY plans to sell 80,315 Common ($10.7M)

Aug 13
Merck (MRK)4

DeLuca Richard R. sold 20,784 shares at $130.43 on 2026-08-10; DeLuca Richard R. sold 7,410 shares at $131.33 on 2026-08-11 (+3 more)

Aug 13
Merck (MRK)144

RICHARD ROBERT DELUCA JR plans to sell 12,837 Common ($1.7M)

Aug 12
Merck (MRK)144

RICHARD ROBERT DELUCA JR plans to sell 20,784 Common ($2.7M)

Aug 11
Merck (MRK)4

DeLuca Richard R. sold 805 shares at $131.02 on 2026-08-06; DeLuca Richard R. sold 4,945 shares at $130.23 on 2026-08-06 (+1 more)

Aug 11
Merck (MRK)4

Williams David Michael bought 4,600 shares at $77.62 on 2026-08-05; Williams David Michael sold 4,600 shares at $128.77 on 2026-08-05 (+3 more)

Aug 8
Merck (MRK)4

Guindo Chirfi sold 15,000 shares at $131.00 on 2026-08-06

Aug 8
Merck (MRK)10-Q

Quarterly Report · ended 2026-06-30 · Rev $16.6B, NI -$1.3B

Aug 8
Merck (MRK)144

CHIRFI GUINDO plans to sell 15,000 Common ($2.0M)

Aug 7
Merck (MRK)144

RICHARD ROBERT DELUCA JR plans to sell 6,050 Common ($788.8K)

Aug 7
Merck (MRK)144

DAVID M WILLIAMS plans to sell 52,847 Common ($6.8M)

Aug 6
Merck (MRK)144

DAVID MARALDO plans to sell 18,706 Common ($2.4M)

Aug 6
Merck (MRK)8-K

Earnings Release; Financial Statements

Aug 4
Merck (MRK)4

Seidman Christine E transacted N/A shares of Common Stock at $N/A on N/A; Seidman Christine E bought 63 shares of Phantom Stock at $128.50 on 2026-06-30

Jul 1
Merck (MRK)4

Karsanbhai Surendralal Lanca transacted N/A shares of Common Stock at $N/A on N/A; Karsanbhai Surendralal Lanca bought 126 shares of Phantom Stock at $128.50 on 2026-06-30

Jul 1
Merck (MRK)4

Coe Mary Ellen transacted N/A shares of Common Stock at $N/A on N/A; Coe Mary Ellen bought 233 shares of Phantom Stock at $128.50 on 2026-06-30

Jul 1
Merck (MRK)4

Warden Kathy J transacted N/A shares of Common Stock at $N/A on N/A; Warden Kathy J bought 1,853 shares of Phantom Stock at $118.72 on 2026-05-29

Jun 3
Merck (MRK)4

Karsanbhai Surendralal Lanca transacted N/A shares of Common Stock at $N/A on N/A; Karsanbhai Surendralal Lanca bought 1,853 shares of Phantom Stock at $118.72 on 2026-05-29

Jun 2