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Politician trade (Senate)

Lam Research (LRCX): Sen. Markwayne Mullin disclosed a purchase $50K–$100K

Sen. Markwayne Mullin disclosed a purchase of Lam Research in the $50K–$100K range.

$50,001–$100,000
Reported range · official band, not an exact amount
18 days
Disclosure lag
Traded
Dec 29, 2025
Disclosed
Jan 16, 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. Nov 3, 2025InsiderDirector sold ~$208K of LRCX shares in the open market
  2. Nov 4, 2025Company filing · Form 8-K · Shareholder rights, Executive changeChanged a top executive or board member, and changed the rights of its shareholders (and 2 more items)
  3. Nov 7, 2025InsiderDirector sold ~$4.8K of LRCX shares in the open market
  4. Nov 14, 2025InsiderCFO sold ~$6.04M of LRCX shares in the open market
  5. Nov 20, 2025Government · Federal Register noticePhasedown of Hydrofluorocarbons: Notice of 2026 Allowance Allocations for Production and Consumption of Regulated Substances Under the American Innovation and Manufacturing Act of 2020, and Notice of Final Actions Establishing Administrative Consequences
  6. Dec 17, 2025Insider · 1 personInsiders: 2 sales (~$26.8M)
  7. Dec 29, 2025 · this disclosureCongressDisclosed purchase of LRCX — reported range $50,001 - $100,000

What came next

  1. Jan 8, 2026Congress · 2 peopleMembers of Congress: 3 sales
  2. Jan 16, 2026CongressDisclosed sale of LRCX — reported range $1,001 - $15,000
  3. Jan 28, 2026Company filing · Form 8-K · ResultsReported its results
  4. Jan 30, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On February 3, 2026, the Board of Directors (the “Board”) of Lam Research Corporation (the “Company”), pursuant to applicable provisions of the Company’s Amended and Restated Bylaws, appointed Anirudh Devgan, Ph.D., age 56, as a director of the Company, effective immediately.”
  5. Jan 30, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On February 3, 2026, Lam Research Corporation (the “Company”) filed a Current Report on Form 8-K (the “Initial Form 8-K”) wherein it reported that it had issued a press release (the “Exhibit 99.2 Press Release”) announcing the retirement of Patrick J. Lord, Ph.D. and the appointment of Seshasayee (Sesha) Varadarajan as the Company’s executive vice president and chief operating officer.”
  6. Feb 3, 2026CongressDisclosed purchase of LRCX — reported range $15,001 - $50,000
  7. Feb 6, 2026Insider · 1 personInsiders: 2 sales (~$7.9M)
  8. Feb 26, 2026Congress · 1 personMembers of Congress: 2 sales
  9. Mar 2, 2026Insider · 2 peopleInsiders: 2 sales (~$10.2M)
  10. Mar 4, 2026Insider · 2 peopleInsiders: 2 sales (~$11.5M)
  11. Mar 12, 2026CongressDisclosed purchase of LRCX — reported range $1,001 - $15,000
  12. Mar 27, 20265% stakeThe Vanguard Group reported a passive stake (13G)
  13. Apr 22, 2026Company filing · Form 8-K · ResultsReported its results
  14. Apr 27, 2026InsiderOfficer sold ~$1.55M of LRCX 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 Lam Research

For Lam Research, OQRO holds 12 insider filings (SEC Form 4 or Form 144), 2 Congress trade reports and 97 fund holdings reports (13F) 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 LRCX page.

Other recent filings by Sen. Markwayne Mullin

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

How this filing works

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Other disclosures at Lam Research

Everything OQRO holds on this company is on its LRCX 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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