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Politician trade (Senate)

McKesson Corporation (MCK)Sen. Markwayne Mullin disclosed a purchase $15K–$50K

Sen. Markwayne Mullin disclosed a purchase of McKesson Corporation in the $15K–$50K range.

$15,001–$50,000
Reported range · official band, not an exact amount
26 days
Disclosure lag
Traded
Feb 4, 2026
Disclosed
Mar 2, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Dec 18, 2024CongressDisclosed purchase of MCK — reported range $1,001 - $15,000
  2. Nov 1, 2025Federal contract · $1.4B obligatedDepartment of Veterans Affairs awarded McKesson Corporation: $1.41B obligated to date
  3. Nov 18, 2025CongressDisclosed purchase of MCK — reported range $1,001 - $15,000
  4. Dec 1, 2025Federal contract · $1.1B obligatedDepartment of Veterans Affairs awarded McKesson Corporation: $1.11B obligated to date
  5. Dec 2, 2025Congress · 1 personMembers of Congress: 2 purchases
  6. Dec 19, 2025CongressDisclosed sale of MCK — reported range $1,001 - $15,000
  7. Jan 1, 2026Federal contract · $1.1B obligatedDepartment of Veterans Affairs awarded McKesson Corporation: $1.09B obligated to date
  8. Jan 5, 2026InsiderOfficer sold ~$225K of MCK shares in the open market
  9. Jan 5, 2026Congress · 1 personMembers of Congress: 2 purchases
  10. Jan 16, 2026FDARecall: UDENYCA, pegfilgrastim-cbqv injection, 6 mg/0.6mL Single Dose Prefilled Syringe, Rx only, Manufactured by Accord BioPharma, Inc., 8041 Arco Corporate Drive, Su…
  11. Feb 1, 2026Federal contract · $1.1B obligatedDepartment of Veterans Affairs awarded McKesson Corporation: $1.06B obligated to date
  12. Feb 4, 2026 · this disclosureCongressDisclosed purchase of MCK — reported range $15,001 - $50,000

What came next

  1. Feb 4, 2026Company filing · Form 8-K · ResultsReported its results
  2. Feb 6, 2026InsiderOfficer sold ~$313K of MCK shares in the open market
  3. Feb 10, 2026Layoff notice · 2700 North America Avenue West Seneca, NY, 14224Layoff notice filed in NY: 78 employees
  4. Feb 11, 2026InsiderOfficer sold ~$283K of MCK shares in the open market
  5. Feb 17, 2026InsiderOfficer sold ~$180K of MCK shares in the open market
  6. Feb 19, 2026InsiderDirector sold ~$328K of MCK shares in the open market
  7. Mar 1, 2026Federal contract · $1.2B obligatedDepartment of Veterans Affairs awarded McKesson Corporation: $1.18B obligated to date
  8. Mar 2, 2026InsiderOfficer sold ~$2.7M of MCK shares in the open market
  9. Mar 3, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On March 3, 2026, Britt J. Vitalone, the company’s Executive Vice President and Chief Financial Officer, gave notice of his intention to retire from that role. Mr. Vitalone’s last day as our CFO will be May 28, 2026, and he will remain an employee through July 1, 2026.”
  10. Mar 27, 20265% stakeThe Vanguard Group reported a passive stake (13G)
  11. Apr 1, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations
  12. Apr 1, 2026Federal contract · $1.2B obligatedDepartment of Veterans Affairs awarded McKesson Corporation: $1.19B obligated to date
  13. Apr 8, 2026CongressDisclosed partial sale of MCK — reported range $1,001 - $15,000
  14. Apr 28, 2026Company filing · Form 8-K · Material agreement, Agreement endedSigned an important agreement, and ended an important agreement (and 1 more item)
  15. Apr 30, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 7.5%
  16. May 7, 2026Company filing · Form 8-K · ResultsReported its results
  17. May 26, 2026Insider · 2 peopleInsiders: 2 sales (~$4.5M)
  18. Jun 1, 2026Insider · 2 peopleInsiders: 2 sales (~$1.4M)
  19. Jun 2, 2026InsiderOfficer sold ~$514K of MCK shares in the open market
View the official recordSenate eFD periodic transaction report

How to read Senate eFD periodic transaction report

The STOCK Act is a 2012 US law that requires members of Congress, and some senior staff, to publicly report their stock trades, and those of their spouse and dependent children, within 45 days.

Full guide: What is the STOCK Act?

What else is on file for McKesson Corporation

For McKesson Corporation, OQRO holds 2 insider filings (SEC Form 4 or Form 144), 2 Congress trade reports, 47 fund holdings reports (13F) and 3 federal contract awards dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its MCK page.

Other recent filings by Sen. Markwayne Mullin

The full history of Sen. Markwayne Mullin is on the profile page.

How this filing works

Other disclosures at McKesson Corporation

Everything OQRO holds on this company is on its MCK page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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