# MCKESSON CORP — DEFA14A

MCKESSON CORP of IRVING, TX filed a DEFA14A with the SEC on 2026-06-30. Industry: Wholesale-Drugs, Proprietaries & Druggists' Sundries.

## Filing

- Filed: 2026-06-30
- Form: DEFA14A
- Accession: 0000927653-26-000182
- Registrant: MCKESSON CORP
- CIK: 0000927653
- Industry (SIC): Wholesale-Drugs, Proprietaries & Druggists' Sundries (5122)
- State of incorporation: DE
- Location: IRVING, TX

## Documents (6)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEFA14A | DEFA14A |
| 2 | EX-101.SCH | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT |
| 3 | GRAPHIC | mck-20260630\_g1.jpg |
| 4 | GRAPHIC | mck-20260630\_g2.jpg |
| 5 | DEFA14A | DEFA14A |
| 15 | XML | EXTRACTED XBRL INSTANCE DOCUMENT |

## Filing timeline for this registrant (60)

_Showing 12 of 60 filings._

| Filed | Form |
| --- | --- |
| 2026-06-30 | DEFA14A |
| [2026-06-12](https://search.stillhousedata.com/proxy/0000927653-26-000171) | DEFA14A |
| [2026-06-12](https://search.stillhousedata.com/proxy/0000927653-26-000169) | DEF 14A |
| [2025-07-02](https://search.stillhousedata.com/proxy/0000927653-25-000068) | DEFA14A |
| [2025-06-20](https://search.stillhousedata.com/proxy/0000927653-25-000063) | DEFA14A |
| [2025-06-20](https://search.stillhousedata.com/proxy/0000927653-25-000061) | DEF 14A |
| [2024-07-08](https://search.stillhousedata.com/proxy/0000927653-24-000076) | DEFA14A |
| [2024-06-21](https://search.stillhousedata.com/proxy/0000927653-24-000067) | DEFA14A |
| [2024-06-21](https://search.stillhousedata.com/proxy/0000927653-24-000065) | DEF 14A |
| [2024-06-07](https://search.stillhousedata.com/proxy/0000927653-24-000051) | PRE 14A |
| [2023-07-03](https://search.stillhousedata.com/proxy/0001193125-23-181387) | DEFA14A |
| [2023-06-09](https://search.stillhousedata.com/proxy/0001193125-23-164505) | DEFA14A |

## More

- [CIK 927653 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=927653&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000927653-26-000182.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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