David R. Maraldo

CIK: 0002126478

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)3 (30.0%)

Position reduction

Option Exercises (M)4 (40.0%)

Derivative conversions

Awards (A)2 (20.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (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 (10 total)

MRK
Merck & Co., Inc.
Aug 5, 2026
Exercise(M)
Direct
6.3K shares at avg. $73.73$465K
MRK
Merck & Co., Inc.
Aug 5, 2026
Sale(S)
Direct
6.3K shares at avg. $128.72$812K
MRK
Merck & Co., Inc.
Aug 5, 2026
Exercise(M)
Direct
9.7K shares at avg. $87.10$846K
MRK
Merck & Co., Inc.
Aug 5, 2026
Sale(S)
Direct
9.7K shares at avg. $128.72$1.2M
MRK
Merck & Co., Inc.
Aug 5, 2026
Exercise(M)
Direct
2.7K shares at avg. $84.71$228K
MRK
Merck & Co., Inc.
Aug 5, 2026
Sale(S)
Direct
2.7K shares at avg. $128.72$346K
MRK
Merck & Co., Inc.
May 5, 2026
Award(A)
Restricted Stock Unit
Direct
7.4K shares-
MRK
Merck & Co., Inc.
May 5, 2026
Award(A)
Stock Option (Right to Buy)
Direct
21.7K shares-
MRK
Merck & Co., Inc.
May 2, 2026
Exercise(M)
Direct
552 shares at avg. $112.16$62K
MRK
Merck & Co., Inc.
May 2, 2026
Tax Payment(F)
Direct
159 shares at avg. $112.16$18K

		Type	Shares	Price		Ownership
Aug 5, 2026	MRK Merck & Co., Inc.	Exercise(M)	6,311	$73.73	$465,310	Direct
Aug 5, 2026	MRK Merck & Co., Inc.	Sale(S)	6,311	$128.72	$812,339	Direct
Aug 5, 2026	MRK Merck & Co., Inc.	Exercise(M)	9,709	$87.10	$845,654	Direct
Aug 5, 2026	MRK Merck & Co., Inc.	Sale(S)	9,709	$128.72	$1,249,722	Direct
Aug 5, 2026	MRK Merck & Co., Inc.	Exercise(M)	2,686	$84.71	$227,531	Direct
Aug 5, 2026	MRK Merck & Co., Inc.	Sale(S)	2,686	$128.72	$345,736	Direct
May 5, 2026	MRK Merck & Co., Inc.	Award(A) Restricted Stock Unit	7,424	-	-	Direct
May 5, 2026	MRK Merck & Co., Inc.	Award(A) Stock Option (Right to Buy)	21,731	-	-	Direct
May 2, 2026	MRK Merck & Co., Inc.	Exercise(M)	552	$112.16	$61,912	Direct
May 2, 2026	MRK Merck & Co., Inc.	Tax Payment(F)	159	$112.16	$17,833	Direct

1-10 of 10 transactions

About Maraldo David R.

Maraldo David R. (SEC CIK 0002126478) files insider reports with the SEC as EVP & Pres. MMD of Merck & Co., Inc. (MRK).

Signal8 holds 6 ownership filings by Maraldo David R. (3 Form 3, 3 Form 4), filed between May 4, 2026 and Oct 22, 2026. Those filings report 10 transactions, from May 2, 2026 to Aug 5, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Maraldo David R.'s filings is in RAHWAY, NJ.

Recent filings by Maraldo David R.

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
Seidman Christine E, Director
Karsanbhai Surendralal Lanca, Director
Coe Mary Ellen, Director
Gupta Gaurav K, EVP, CIDO
Guindo Chirfi, EVP, Access, Policy & Comms

How to read Form 4 transaction codes