Insider trade

Officer exercised or converted 26K MRK derivative securities

Traded Feb 9, 2026 · Filed Feb 9, 2026

MerckMRK

26K
Shares · @ $119.1522

Why it stands out

Derivative exercise or conversion — not an open-market buy.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Feb 9, 2026
Reporting period: Not applicable
Filed with the SEC: Feb 9, 2026

OfficerOption exercise

Context

Classification

option exercise

Code M — exercise or conversion of a derivative security

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

Source receipt

Record ID: 0000310158-26-000046

Filed / recorded

Feb 9, 2026, 9:01 PM UTC

Added to OQRO

Oct 2, 2026, 3:52 AM UTC

Parser

form4-xml-v1

Data quality

Verified: identifiers matched exactly

Issuer

Merck & Co., Inc.

Issuer CIK

310158

Ticker

MRK

Reporting person

Jennifer Zachary

Relationship

Officer

Officer title

EVP, General Counsel

Security

Common Stock

Table

Non-derivative (Table I)

Transaction date

Feb 9, 2026

Transaction code

M

Shares / units

25,946

Price per share

$119.1522

Acquired / disposed

Acquired (A)

Shares owned after

94,861.671

Ownership form

Direct

Amendment

No

Footnotes from the filing

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.9600 to $119.5100, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above in this footnote.