๐Ÿ•ต๏ธ McKesson Corp ($MCK)

SEC insider & ownership activity, last 12 months ยท CIK 927653 ยท every row links its SEC filing

Over the last 12 months insiders sold $28.3M with no open-market buying against it. Brian S. Tyler sold $17.0M through a 10b5-1 trading plan in 3 lots (Junโ€“Jul). No red-flag 8-Ks in the window.

๐Ÿšจ 1 signal active โ€” planned-vs-executed verdicts, pre-event flags, and cluster context live in the API and the alerts bot.
Oct 2025: net +$0 Nov 2025: net -$283K Dec 2025: net +$0 Jan 2026: net -$225K Feb 2026: net -$1.1M Mar 2026: net -$2.7M Apr 2026: net +$0 May 2026: net -$4.5M Jun 2026: net -$12.4M Jul 2026: net -$6.7M Aug 2026: net -$269K Sep 2026: net -$99K
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

0 buyers, $0 (0 lots) ยท 7 sellers, $28.3M (18 lots)

InsiderBuysBoughtSellsSoldLast
Brian S. Tyler0โ€“ 3$17.0MJul 7, 2026
Lau Michele0โ€“ 3$5.7MMay 26, 2026
Thomas L. Rodgers0โ€“ 4$2.6MJun 2, 2026
Leann B. Smith0โ€“ 2$1.5MJun 1, 2026
Napoleon B. Rutledge Jr.0โ€“ 4$797KSep 8, 2026
Martinez Maria0โ€“ 1$328KFeb 19, 2026
Bradley E. Lerman0โ€“ 1$269KAug 10, 2026

5%+ holders

HolderStakeClassScheduleEvent
Vanguard Capital Management 7.5% 13GApr 30, 2026 filing โ†—
BlackRock, Inc. 7.3% 13GApr 17, 2025 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Bradley E. Lerman$269KAug 10, 2026 filing โ†—
Britt J. Vitalone$6.7MAug 3, 2026 filing โ†—
Brian S. Tyler$6.7MJul 7, 2026 filing โ†—
Brian S. Tyler$6.6MJun 17, 2026 filing โ†—
Brian S. Tyler$3.8MJun 9, 2026 filing โ†—
Thomas L. Rodgers$514KJun 2, 2026 filing โ†—
Thomas L. Rodgers$90KJun 1, 2026 filing โ†—
LeAnn B. Smith$1.3MJun 1, 2026 filing โ†—
Lau Michele$2.7MMay 26, 2026 filing โ†—
Thomas L. Rodgers$1.8MMay 26, 2026 filing โ†—
Lau Michele$2.7MMar 2, 2026 filing โ†—
Martinez Maria$328KFeb 19, 2026 filing โ†—
LeAnn B. Smith$180KFeb 17, 2026 filing โ†—
Lau Michele$283KFeb 11, 2026 filing โ†—
Thomas L. Rodgers$225KJan 5, 2026 filing โ†—

Material events (8-K)

ItemEvent date
Reg FD disclosure (7.01)Aug 25, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Aug 25, 2026 filing โ†—
Earnings (2.02)Aug 5, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Aug 5, 2026 filing โ†—
Shareholder vote (5.07)Jul 22, 2026 filing โ†—
Officer/director changes (5.02)Jun 29, 2026 filing โ†—
Reg FD disclosure (7.01)Jun 29, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 29, 2026 filing โ†—
Material agreement (1.01)Jun 9, 2026 filing โ†—
New financial obligation (2.03)Jun 9, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 9, 2026 filing โ†—
Earnings (2.02)May 7, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 7, 2026 filing โ†—
Material agreement (1.01)Apr 28, 2026 filing โ†—
Agreement terminated (1.02)Apr 28, 2026 filing โ†—
New financial obligation (2.03)Apr 28, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 28, 2026 filing โ†—
Material agreement (1.01)Apr 1, 2026 filing โ†—
New financial obligation (2.03)Apr 1, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 1, 2026 filing โ†—
Reg FD disclosure (7.01)Mar 6, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 6, 2026 filing โ†—
Officer/director changes (5.02)Mar 3, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 3, 2026 filing โ†—
Earnings (2.02)Feb 4, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 4, 2026 filing โ†—
Earnings (2.02)Nov 5, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Nov 5, 2025 filing โ†—
Reg FD disclosure (7.01)Sep 23, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Sep 23, 2025 filing โ†—