David Michael Williams

CIK: 0001820958

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)6 (30.0%)

Position reduction

Option Exercises (M)6 (30.0%)

Derivative conversions

Awards (A)6 (30.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (10.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MRK

Merck & Co., Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (20 total)

MRK
Merck & Co., Inc.
Aug 5, 2026
Exercise(M)
Direct
4.6K shares at avg. $77.62$357K
MRK
Merck & Co., Inc.
Aug 5, 2026
Sale(S)
Direct
34.7K shares at avg. $128.77$4.5M
MRK
Merck & Co., Inc.
Aug 5, 2026
Exercise(M)
Direct
34.7K shares at avg. $73.73$2.6M
MRK
Merck & Co., Inc.
Aug 5, 2026
Sale(S)
Direct
13.5K shares at avg. $128.77$1.7M
MRK
Merck & Co., Inc.
Aug 5, 2026
Exercise(M)
Direct
13.5K shares at avg. $75.36$1.0M
MRK
Merck & Co., Inc.
Aug 5, 2026
Sale(S)
Direct
4.6K shares at avg. $128.77$592K
MRK
Merck & Co., Inc.
May 5, 2026
Award(A)
Stock Option (Right to Buy)
Direct
13.6K shares-
MRK
Merck & Co., Inc.
May 5, 2026
Award(A)
Restricted Stock Unit
Direct
4.6K shares-
MRK
Merck & Co., Inc.
Apr 29, 2026
Exercise(M)
Direct
1.4K shares at avg. $110.03$152K
MRK
Merck & Co., Inc.
Apr 29, 2026
Tax Payment(F)
Direct
679 shares at avg. $110.03$75K
MRK
Merck & Co., Inc.
Feb 6, 2026
Exercise(M)
Direct
5K shares at avg. $77.62$388K
MRK
Merck & Co., Inc.
Feb 6, 2026
Sale(S)
Direct
5K shares at avg. $121.91$610K
MRK
Merck & Co., Inc.
Jan 26, 2026
Award(A)
Direct
6.1K shares at avg. $107.40$656K
MRK
Merck & Co., Inc.
Nov 3, 2025
Sale(S)
Direct
8.6K shares at avg. $83.59$720K
MRK
Merck & Co., Inc.
Aug 4, 2025
Tax Payment(F)
Direct
8.4K shares at avg. $79.29$669K
MRK
Merck & Co., Inc.
Aug 4, 2025
Exercise(M)
Direct
17.1K shares at avg. $79.29$1.4M
MRK
Merck & Co., Inc.
Apr 29, 2025
Award(A)
Restricted Stock Unit
Direct
4.1K shares-
MRK
Merck & Co., Inc.
Apr 29, 2025
Award(A)
Stock Option (Right to Buy)
Direct
18.8K shares-
MRK
Merck & Co., Inc.
Feb 13, 2025
Sale(S)
Direct
6K shares at avg. $85.34$512K
MRK
Merck & Co., Inc.
Jan 27, 2025
Award(A)
Direct
10.2K shares at avg. $97.94$1.0M

		Type	Shares	Price		Ownership
Aug 5, 2026	MRK Merck & Co., Inc.	Exercise(M)	4,600	$77.62	$357,052	Direct
Aug 5, 2026	MRK Merck & Co., Inc.	Sale(S)	34,705	$128.77	$4,468,987	Direct
Aug 5, 2026	MRK Merck & Co., Inc.	Exercise(M)	34,705	$73.73	$2,558,800	Direct
Aug 5, 2026	MRK Merck & Co., Inc.	Sale(S)	13,542	$128.77	$1,743,813	Direct
Aug 5, 2026	MRK Merck & Co., Inc.	Exercise(M)	13,542	$75.36	$1,020,525	Direct
Aug 5, 2026	MRK Merck & Co., Inc.	Sale(S)	4,600	$128.77	$592,345	Direct
May 5, 2026	MRK Merck & Co., Inc.	Award(A) Stock Option (Right to Buy)	13,582	-	-	Direct
May 5, 2026	MRK Merck & Co., Inc.	Award(A) Restricted Stock Unit	4,640	-	-	Direct
Apr 29, 2026	MRK Merck & Co., Inc.	Exercise(M)	1,377	$110.03	$151,511	Direct
Apr 29, 2026	MRK Merck & Co., Inc.	Tax Payment(F)	679	$110.03	$74,710	Direct
Feb 6, 2026	MRK Merck & Co., Inc.	Exercise(M)	5,000	$77.62	$388,100	Direct
Feb 6, 2026	MRK Merck & Co., Inc.	Sale(S)	5,000	$121.91	$609,525	Direct
Jan 26, 2026	MRK Merck & Co., Inc.	Award(A)	6,112	$107.40	$656,429	Direct
Nov 3, 2025	MRK Merck & Co., Inc.	Sale(S)	8,614	$83.59	$720,040	Direct
Aug 4, 2025	MRK Merck & Co., Inc.	Tax Payment(F)	8,432	$79.29	$668,573	Direct
Aug 4, 2025	MRK Merck & Co., Inc.	Exercise(M)	17,119	$79.29	$1,357,366	Direct
Apr 29, 2025	MRK Merck & Co., Inc.	Award(A) Restricted Stock Unit	4,132	-	-	Direct
Apr 29, 2025	MRK Merck & Co., Inc.	Award(A) Stock Option (Right to Buy)	18,807	-	-	Direct
Feb 13, 2025	MRK Merck & Co., Inc.	Sale(S)	6,000	$85.34	$512,057	Direct
Jan 27, 2025	MRK Merck & Co., Inc.	Award(A)	10,246	$97.94	$1,003,493	Direct

1-20 of 20 transactions

About Williams David Michael

Williams David Michael (SEC CIK 0001820958) files insider reports with the SEC as EVP,Chief Info&Digital Officer of Merck & Co., Inc. (MRK).

Signal8 holds 10 ownership filings by Williams David Michael, all Form 4s, filed between Jan 29, 2025 and Aug 7, 2026. Those filings report 20 transactions, from Jan 27, 2025 to Aug 5, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Williams David Michael's filings is in RAHWAY, NJ.

Recent filings by Williams David Michael

Aug 5, 2026: Option exercise of MRK shares (Form 4, code M).
Aug 5, 2026: Open-market sale of MRK shares (Form 4, code S).
Aug 5, 2026: Option exercise of MRK shares (Form 4, code M).
Aug 5, 2026: Open-market sale of MRK shares (Form 4, code S).
Aug 5, 2026: Option exercise of MRK shares (Form 4, code M).

Other insiders filing for Merck & Co., Inc. (MRK)

DIAZ PAUL J, Director
Maraldo David R., EVP & Pres. MMD
Seidman Christine E, Director
Karsanbhai Surendralal Lanca, Director
Coe Mary Ellen, Director
Gupta Gaurav K, EVP, CIDO

How to read Form 4 transaction codes