| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| TYLER BRIAN S. | Chief Executive Officer, Director | 6555 STATE HWY 161, IRVING | /s/ Sarah Ahmad Ali, Attorney-in-fact | 11 Jun 2025 | 0001382297 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MCK | Common Stock | Gift | $0 | -4,000 | -7.8% | $0.000000 | 47,243 | 10 Jun 2025 | Direct | |
| holding | MCK | Common Stock | 215 | 10 Jun 2025 | By the McKesson Corporation 401(k) Retirement Savings Plan |