secwatch / observer
MRK Merck & Co., Inc.
CIK 0000310158 37 ready 8-Ks latest August 4, 2026, 6:47 AM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 1 baseline
Ready 8-Ks 37
Latest filing August 4, 2026, 6:47 AM ET
Top materiality 0.90
Event mix earnings ×21 · debt ×6 · other_material ×4
Sentiment 13 pos · 3 neg · 21 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for MRK

Executive changes

Appointed

Surendralal L. “Lal” Karsanbhai

Director
MRK · Merck & Co., Inc.
Effective
2025-01-01
Filed
November 22, 2024, 6:59 PM ET
announcing the election of Surendralal L. “Lal” Karsanbhai to the Company’s Board of Directors (the “Board”), effective January 1, 2025.
Departed

Peter C. Wendell

Director
MRK · Merck & Co., Inc.
Effective
2024-05-28
Filed
February 20, 2024, 6:59 PM ET
On February 15, 2024, Peter C. Wendell gave notice to Merck & Co., Inc. (the “Company”) of his intention to retire from the Board of Directors of the Company (the “Board”) as of the Company’s 2024 Annual Meeting of Shareholders on May 28, 2024.
Departed

Rita Karachun

Senior Vice President Finance – Global Controller and principal accounting officer
MRK · Merck & Co., Inc.
Effective
2023-12-04
Successor
Dalton E. Smart III
Filed
November 28, 2023, 6:59 PM ET
On November 21, 2023, Rita Karachun, Senior Vice President Finance – Global Controller and principal accounting officer of Merck & Co., Inc. (the “Company”), gave notice of her intention to resign from this position effective December 4, 2023.
Appointed

Dalton E. Smart III

Senior Vice President Finance – Global Controller and principal accounting officer
MRK · Merck & Co., Inc.
Effective
2023-12-04
Filed
November 28, 2023, 6:59 PM ET
On November 28, 2023, the Board of Directors (the “Board”) of the Company elected Dalton E. Smart III to serve as Senior Vice President Finance – Global Controller of the Company, effective December 4, 2023, making him the Company’s principal accounting officer.
Departed

Kenneth C. Frazier

Executive Chairman
MRK · Merck & Co., Inc.
Effective
2022-11-30
Successor
Robert M. Davis
Filed
October 27, 2022, 7:59 PM ET
Kenneth C. Frazier, the Executive Chairman of Merck’s Board of Directors (the “Board”) will retire from the Board, effective November 30, 2022.
Appointed

Robert M. Davis

Chairman of the Board
MRK · Merck & Co., Inc.
Effective
2022-12-01
Filed
October 27, 2022, 7:59 PM ET
the Board unanimously elected Robert M. Davis, Merck’s current Chief Executive Officer and President as well as a Director on the Board to serve as Chairman of the Board, effective December 1, 2022.
Departed

Leslie A. Brun

Board of Directors
MRK · Merck & Co., Inc.
Effective
2021-08-19
Filed
August 20, 2021, 7:59 PM ET
announcing the resignation of Leslie A. Brun from the Company’s Board of Directors effective August 19, 2021.

Earnings & guidance

2026-Q1 EPS reported -$1.72 filing →

Materiality & sentiment trend

Max materiality 0.90 · Median 0.75 · Most common event earnings

13 positive 3 negative 21 neutral

source · MRK on sec.gov