Stephen Mayo

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Kenilworth, NJ
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/Earl Douglas, Attorney-in-Fact
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Stephen Mayo

Form 4 holding Director

Merck & Co., Inc.

Security class
Phantom Stock
Shares / value
14,825
Estimated value
$963,560
Report date
29 May 2026
Price
$76.84
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Stephen Mayo

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