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3/A ·Filed Oct 22, 2026

MRK

Merck & Co., Inc.
NEUTRAL
Impact 1/10
Horizonimmediate Processed5d 21h ago SEC0000310158-26-000239
Form 3 amendment
Actionable Insight • Neutral

Routine amendment to correct a beneficial ownership filing. No trading signal or change in insider exposure. Ignore for trading purposes.

DirectionNeutral
Confidencehigh
Horizonimmediate
Latest settled: T+1d ⚠ clustered
MRK ▼ -3.21% at T+1d
NEUTRAL call -3.21% · α vs SPY -3.92% · entry $145.27 → $140.61
Next anchor: T+5d in 19h
Entry = T+0 close
Oct 22, 2026
via day close
T+1d
-3.21%
call -3.21% · α -3.92%
$140.61
settled 5d ago
T+5d
Pending
in 19h
T+20d
Pending
in 22d
T+60d
Pending
in 3mo

Price Chart

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Executive Summary

David R. Maraldo, EVP & President of Merck's Human Health business, filed an amended Form 3/A to correct the number of shares held in the Merck U.S. Savings Plan (401(k)) as of May 1, 2026. The amendment adjusts a previously reported beneficial ownership figure, a routine administrative correction with no trading or material change in economic exposure.

Key Facts

  • Form 3/A filed to correct shares held in Merck U.S. Savings Plan (401(k)) as of May 1, 2026.
  • Reporting person: David R. Maraldo, EVP & President, Merck Human Health (MMD).
  • Corrected holding: 2,870.7727 shares of common stock via the 401(k) plan.
  • No open-market purchase or sale; no change in direct ownership.

Financial Impact

No material financial impact, administrative correction of ~2,871 shares held in a 401(k) plan.

Investment Themes

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
3/A Filing (Primary)0000310158-26-000239
Document: 0000310158-26-000239-index.html0000310158-26-000239
Document: 0000310158-26-000239.txt0000310158-26-000239
28 reports for MRK
Performance horizon
75% Hit rate @ T+20 3 of 4 directional calls Went positive at some point 4 of 6 best @ T+20▲ +16.92%Aug 6, 2026
Filters
Rows
Reports for MRK, sortable and filterable
TypeNow
Oct 22, 2026
5d ago
3/A
NEUTRAL ★ 1/10
$145.27awaiting T+20awaiting T+20$140.84 (−3.05%)
Oct 21, 2026
7d ago
PTAB Trial
NEUTRAL ★ 3/10
$147.24awaiting T+20awaiting T+20$140.84 (−4.35%)
Oct 15, 2026
13d ago
PTAB Trial
BULLISH ★ 6/10
$145.95awaiting T+20awaiting T+20$140.84 (−3.50%)
Oct 15, 2026
13d ago
PTAB Trial
BULLISH ★ 5/10
$145.95awaiting T+20awaiting T+20$140.84 (−3.50%)
Oct 13, 2026
15d ago
8-K
NEUTRAL ★ 2/10
$141.98awaiting T+20awaiting T+20$140.84 (−0.80%)
Sep 29, 2026
29d ago
Court Ruling
NEUTRAL ★ 1/10
$145.31awaiting T+20awaiting T+20$140.84 (−3.08%)
Sep 28, 2026
4w ago
Court Ruling
NEUTRAL ★ 1/10
$149.28 $141.82▼ −5.00%▼ −5.71%$140.84 (−5.65%)
Sep 22, 2026
5w ago
Court Ruling
NEUTRAL ★ 3/10
$148.08 $149.88▲ +1.22%▲ +0.53%$140.84 (−4.89%)
Sep 11, 2026
6w ago
Court Ruling
NEUTRAL ★ 1/10
$144.85 $145.45▲ +0.41%▼ −1.85%$140.84 (−2.77%)
Sep 9, 2026
7w ago
Court Ruling
NEUTRAL ★ 1/10
$144.71 $142.38▼ −1.61%▼ −3.73%$140.84 (−2.67%)
Showing 10 of 28

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Report published Oct 22, 2026