Richard R. DeLuca

CIK: 0001421339

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)9 (52.9%)

Position reduction

Option Exercises (M)1 (5.9%)

Derivative conversions

Awards (A)6 (35.3%)

Compensation grants

Other (G, F, J, C, D, …)1 (5.9%)

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 (17 total)

MRK
Merck & Co., Inc.
Aug 12, 2026
Sale(S)
Direct
600 shares at avg. $132.04$79K
MRK
Merck & Co., Inc.
Aug 12, 2026
Sale(S)
Direct
11.1K shares at avg. $131.61$1.5M
MRK
Merck & Co., Inc.
Aug 11, 2026
Sale(S)
Direct
5.4K shares at avg. $132.35$718K
MRK
Merck & Co., Inc.
Aug 11, 2026
Sale(S)
Direct
7.4K shares at avg. $131.33$973K
MRK
Merck & Co., Inc.
Aug 10, 2026
Sale(S)
Direct
20.8K shares at avg. $130.43$2.7M
MRK
Merck & Co., Inc.
Aug 6, 2026
Sale(S)
Direct
805 shares at avg. $131.02$105K
MRK
Merck & Co., Inc.
Aug 6, 2026
Sale(S)
Direct
4.9K shares at avg. $130.23$644K
MRK
Merck & Co., Inc.
Aug 6, 2026
Sale(S)
Direct
300 shares at avg. $131.02$39K
MRK
Merck & Co., Inc.
May 5, 2026
Award(A)
Stock Option (Right to Buy)
Direct
34.9K shares-
MRK
Merck & Co., Inc.
May 5, 2026
Award(A)
Restricted Stock Unit
Direct
11.9K shares-
MRK
Merck & Co., Inc.
Apr 29, 2026
Tax Payment(F)
Direct
1.2K shares at avg. $110.03$137K
MRK
Merck & Co., Inc.
Apr 29, 2026
Exercise(M)
Direct
2.5K shares at avg. $110.03$277K
MRK
Merck & Co., Inc.
Feb 6, 2026
Sale(S)
Direct
37.7K shares at avg. $120.92$4.6M
MRK
Merck & Co., Inc.
Jan 26, 2026
Award(A)
Direct
12.3K shares at avg. $107.40$1.3M
MRK
Merck & Co., Inc.
Apr 29, 2025
Award(A)
Restricted Stock Unit
Direct
7.6K shares-
MRK
Merck & Co., Inc.
Apr 29, 2025
Award(A)
Stock Option (Right to Buy)
Direct
34.4K shares-
MRK
Merck & Co., Inc.
Jan 27, 2025
Award(A)
Direct
25.4K shares at avg. $97.94$2.5M

		Type	Shares	Price		Ownership
Aug 12, 2026	MRK Merck & Co., Inc.	Sale(S)	600	$132.04	$79,222	Direct
Aug 12, 2026	MRK Merck & Co., Inc.	Sale(S)	11,099	$131.61	$1,460,770	Direct
Aug 11, 2026	MRK Merck & Co., Inc.	Sale(S)	5,427	$132.35	$718,261	Direct
Aug 11, 2026	MRK Merck & Co., Inc.	Sale(S)	7,410	$131.33	$973,165	Direct
Aug 10, 2026	MRK Merck & Co., Inc.	Sale(S)	20,784	$130.43	$2,710,951	Direct
Aug 6, 2026	MRK Merck & Co., Inc.	Sale(S)	805	$131.02	$105,472	Direct
Aug 6, 2026	MRK Merck & Co., Inc.	Sale(S)	4,945	$130.23	$643,993	Direct
Aug 6, 2026	MRK Merck & Co., Inc.	Sale(S)	300	$131.02	$39,307	Direct
May 5, 2026	MRK Merck & Co., Inc.	Award(A) Stock Option (Right to Buy)	34,924	-	-	Direct
May 5, 2026	MRK Merck & Co., Inc.	Award(A) Restricted Stock Unit	11,931	-	-	Direct
Apr 29, 2026	MRK Merck & Co., Inc.	Tax Payment(F)	1,241	$110.03	$136,547	Direct
Apr 29, 2026	MRK Merck & Co., Inc.	Exercise(M)	2,518	$110.03	$277,056	Direct
Feb 6, 2026	MRK Merck & Co., Inc.	Sale(S)	37,685	$120.92	$4,557,025	Direct
Jan 26, 2026	MRK Merck & Co., Inc.	Award(A)	12,264	$107.40	$1,317,154	Direct
Apr 29, 2025	MRK Merck & Co., Inc.	Award(A) Restricted Stock Unit	7,555	-	-	Direct
Apr 29, 2025	MRK Merck & Co., Inc.	Award(A) Stock Option (Right to Buy)	34,390	-	-	Direct
Jan 27, 2025	MRK Merck & Co., Inc.	Award(A)	25,438	$97.94	$2,491,398	Direct

1-17 of 17 transactions

About DeLuca Richard R.

DeLuca Richard R. (SEC CIK 0001421339) files insider reports with the SEC as EVP&Pres, Merck Animal Heallth of Merck & Co., Inc. (MRK).

Signal8 holds 8 ownership filings by DeLuca Richard R., all Form 4s, filed between Jan 29, 2025 and Aug 12, 2026. Those filings report 17 transactions, from Jan 27, 2025 to Aug 12, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on DeLuca Richard R.'s filings is in RAHWAY, NJ.

Recent filings by DeLuca Richard R.

Aug 12, 2026: Open-market sales of MRK shares (2 lines, Form 4, code S).
Aug 11, 2026: Open-market sales of MRK shares (2 lines, Form 4, code S).
Aug 10, 2026: Open-market sale of MRK shares (Form 4, code S).
Aug 6, 2026: Open-market sales of MRK shares (3 lines, Form 4, code S).
May 5, 2026: Grants or awards of MRK derivative securities (2 lines, Form 4, code A).

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