Brian S. Tyler - 23 May 2026 Form 4 Insider Report for MCKESSON CORP (MCK)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: MCK
Reported as of: 23 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 27 May 2026, 14:13:46 UTC
Prior SEC filing: 26 May 2026
Next SEC filing: 11 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Sarah Ahmad Ali, Attorney-in-fact

Key filing fact

Brian S. Tyler filed Form 4 for MCKESSON CORP (MCK) on 27 May 2026.

Key facts

This page summarizes Brian S. Tyler's Form 4 filing for MCKESSON CORP (MCK).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 27 May 2026, 14:13.

Change

Previous filing in this sequence was filed on 26 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001382297 Primary reporting owner

TYLER BRIAN S.

Relationship: Chief Executive Officer, Director
Address: 6555 STATE HWY 161, IRVING
Signature: /s/ Sarah Ahmad Ali, Attorney-in-fact
Signature date: 27 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MCK transaction

Common Stock

Options Exercise

Transaction value
Shares: +4,579
Change %: +18%
Price: $0.000000^*
Shares after: 29,605
Date: 23 May 2026
Ownership: Direct

MCK transaction

Common Stock

Tax liability

Transaction value
Shares: -1,831
Change %: -6.2%
Price: $766.08^*
Shares after: 27,774
Date: 23 May 2026
Ownership: Direct
Footnotes: F1

MCK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 216
Date: 23 May 2026
Ownership: By the McKesson Corporation 401(k) Retirement Savings Plan

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MCK transaction Derivative

Restricted Stock Units (RSUs)

Options Exercise

Transaction value
Shares: -4,579
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 23 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,579
Exercise price: $0.000000
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

This transaction represents a withholding of shares to cover taxes applicable to a vesting of RSUs also reported on this Form 4.

Footnote F2

These RSUs vested as to 1/3 on 5/23/2024, 1/3 on 5/23/2025 and 1/3 on 5/23/2026.

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