Insider trade

Officer sold ~$2.7M of MCK shares in the open market

Traded Mar 2, 2026 · Filed Mar 4, 2026

~$2.7M
Reported value · 2,725 sh @ $990.00: 3,247
Holds after · shares reported: -9.3%
stock since the trade · S&P 500 +11.3%, $990.95 → $898.82 on Oct 1

Why it stands out

McKesson Corporation's and Chief Legal Officer sold $2.7M of McKesson Corporation shares. It was planned long ago, so it says very little.

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: Mar 2, 2026
Reporting period: Not applicable
Filed with the SEC: Mar 4, 2026

Officer$1M+Pre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$2,697,750

Shares × reported transaction price

Timing vs results

26 days after results of Feb 4, 2026, 66 days before results of May 7, 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 $990.95 on Mar 2, 2026, at its 52-week high, after a 17% rise over the previous 30 trading days

52-week range $639.62 (Mar 5, 2025) to $990.95 (Mar 2, 2026), 100% of the way up, from 251 adjusted closes. 30 trading days earlier: $844.13 on Jan 15, 2026. Describes the past only, not a forecast

Layoff notice nearby

A WARN layoff notice covering 78 workers was filed in New York on February 10, 2026.

From the official state WARN list, 20 days before the trade. Shown for timing only; the two filings are separate

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	+1.4%	-2.2%	+3.6%
30 days	-8.0%	-3.3%	-4.7%
90 days	-20.6%	+10.7%	-31.3%
180 days	-2.6%	+11.8%	-14.4%

Past results only. Not a forecast.

Source receipt

Record ID: 0000927653-26-000032
Filed / recorded: Mar 4, 2026, 5:41 PM UTC
Added to OQRO: Oct 2, 2026, 12:28 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: MCKESSON CORP
Issuer CIK: 927653
Ticker: MCK
Reporting person: Michele Lau
Relationship: Officer
Officer title: EVP and Chief Legal Officer
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Mar 2, 2026
Transaction code: S
Shares / units: 2,725
Price per share: $990.00
Acquired / disposed: Disposed (D)
Shares owned after: 3,247
Ownership form: Direct
Amendment: No

Footnotes from the filing

Sale pursuant to a previously adopted plan dated August 19, 2025, in compliance with Rule 10b5-1(c).

Around the same time

7mo ago

Congress trade

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

5 different filers disclosed MCK within 90 days. Disclosed 26 days after the transaction; reported as an official range, not an exact amount.

Why it stands out Official record

Director sold7mo ago

~$328KReported value · 349 sh @ $939.865

650 → 301 shares held−54% of their stake

A board member of McKesson Corporation sold $328K of McKesson Corporation shares. Nobody planned it ahead of time.