GUINDO CHIRFI

PrivateCIK: 1722753
Location

CAMBRIDGE, MA

Senior insider sale

Chief Marketing Officer at MERCK & CO., INC. — senior position signals high conviction

$3.31M

25K shares

What this filing means

GUINDO CHIRFI plans to sell 25K shares of MERCK & CO., INC. valued at approximately $3.31M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderGUINDO CHIRFICIK 1722753
IssuerMERCK & CO., INC.CIK 310158
Officer· Chief Marketing Officer
Since Jul 2022
25K
Shares to sell
$3.31M
Approx. market value
10K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
Sort

Restricted Stock Vesting Under a Registered Plan

Not Applicable

1/27/2025
10K
Total acquired10K
Planned & Completed Dispositions2
Sort

Completed

Completed

Units to sell

15K

Market value

$1.97M

8/6/2026

Planned — Approximate Date

NYSEPlanned

Units to sell

10K

Market value

$1.35M

8/13/2026
Total

Units

25K

Value

$3.31M