Insider trade

Officer sold ~$644K of MRK shares in the open market

Traded Aug 6, 2026 · Filed Aug 10, 2026

MerckMRK

~$644K
Reported value · 4,945 sh @ $130.23: 156K
Holds after · shares reported: +8.7%
stock since the trade · S&P 500 +0.8%, $128.37 → $139.54 on Oct 5

Why it stands out

Merck's &Pres, Merck Animal Heallth sold $644K of Merck shares. Nobody planned it ahead of time.

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: Aug 6, 2026
Reporting period: Not applicable
Filed with the SEC: Aug 10, 2026

Officer$500K–$1M

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$643,993

Shares × reported transaction price

Timing vs results

2 days after results of Aug 4, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $128.37 on Aug 6, 2026, within 3% of its 52-week high, after a 6% rise over the previous 30 trading days

52-week range $77.60 (Sep 25, 2025) to $131.82 (Jul 28, 2026), 94% of the way up, from 251 adjusted closes. 30 trading days earlier: $120.60 on Jun 24, 2026. Describes the past only, not a forecast

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

Securities lawsuit open at the trade date

A securities lawsuit naming the company as a defendant was filed on Feb 12, 2025 in the U.S. District Court, D. New Jersey. A filing is an allegation, not a finding.

IN RE MERCK & CO., INC. SECURITIES LITIGATION, docket 2:25-cv-01208, via CourtListener (court records). Nature of suit 850, company named as first defendant

FDA decision near the trade

FDA approved Keytruda on Jul 10, 2026, 27 days before this trade.

New use approved (efficacy supplement). Active ingredient: Pembrolizumab. From openFDA. Dates only; no link between the two is implied

After it was reported

After	Stock	S&P 500	Difference
7 days	+3.6%	−0.4%	+4.0%
30 days	+11.0%	−1.6%	+12.6%

Past results only. Not a forecast.

Source receipt

Record ID: 0000310158-26-000217
Filed / recorded: Aug 10, 2026, 8:28 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: Richard R. Deluca
Relationship: Officer
Officer title: EVP&Pres, Merck Animal Heallth
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Aug 6, 2026
Transaction code: S
Shares / units: 4,945
Price per share: $130.23
Acquired / disposed: Disposed (D)
Shares owned after: 155,787.07
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 $130.0000 to $130.9200, 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.

Around the same time

Maria Elvira Salazar bought

$15,001–$50,000Reported range · official band, not an exact amount

4w ago

Disclosed 21 days after the transaction; reported as an official range, not an exact amount.

More Official record

Maria Elvira Salazar bought

$15,001–$50,000Reported range · official band, not an exact amount

4w ago

Disclosed 21 days after the transaction; reported as an official range, not an exact amount.

More Official record

Fund moves

30KShares reported

8w ago

From a 13F filed Aug 14, 2026 covering holdings at Jun 30, 2026 — a quarter-end snapshot, not a live trade.

More Official record