Micron (MU)Sen. Alan Armstrong disclosed a purchase $15K–$50K

$15,001–$50,000

Reported range · official band, not an exact amount

116 days

Disclosure lag

Traded

Mar 27, 2026

Disclosed

Jul 21, 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. Jan 8, 2026CongressDisclosed partial sale of MU — reported range $1,001 - $15,000
2. Jan 22, 2026Insider · 1 personInsiders: 6 sales (~$10.4M)
3. Jan 26, 2026CongressDisclosed partial sale of MU — reported range $1,001 - $15,000
4. Jan 27, 2026Insider · 1 personInsiders: 13 sales (~$5.0M)
5. Feb 2, 2026Insider · 1 personInsiders: 3 sales (~$10.7M)
6. Feb 3, 2026CongressDisclosed purchase of MU — reported range $100,001 - $250,000
7. Feb 10, 2026CongressDisclosed partial sale of MU — reported range $1,001 - $15,000
8. Feb 13, 20265% stakeCapital World Investors reported a passive stake (13G) of 5.2%
9. Feb 24, 2026CongressDisclosed purchase of MU — reported range $1,001 - $15,000
10. Mar 18, 2026Company filing · Form 8-K · ResultsReported its results
11. Mar 24, 2026CongressDisclosed sale of MU — reported range $15,001 - $50,000
12. Mar 25, 2026CongressDisclosed purchase of MU — reported range $1,001 - $15,000
13. Mar 27, 20265% stakeThe Vanguard Group reported a passive stake (13G)

What came next

1. Mar 30, 2026CongressDisclosed purchase of MU — reported range $1,001 - $15,000
2. Apr 1, 2026Insider · 1 personInsiders: 4 sales (~$13.9M)
3. Apr 9, 2026InsiderOfficer sold ~$1.43M of MU shares in the open market
4. Apr 10, 2026InsiderOfficer sold ~$10.1M of MU shares in the open market
5. Apr 14, 2026InsiderOfficer sold ~$1.48M of MU shares in the open market
6. Apr 30, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 7.5%
7. May 1, 2026Insider · 2 peopleInsiders: 43 sales (~$23.6M)
8. May 14, 20265% stakeCapital World Investors reported a passive stake (13G) of 3.7%
9. Jun 9, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On June 9, 2026, the Board of Directors (“Board”) of Micron Technology, Inc. (the “Company”) appointed Alexis Black Björlin as a member of the Board. The Board has determined that Dr. Björlin is an independent director under the applicable rules of the Nasdaq Stock Market LLC (the “Independence Rules”).”
10. Jun 24, 2026Company filing · Form 8-K · ResultsReported its results

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 Micron

For Micron, OQRO holds 74 insider filings (SEC Form 4 or Form 144), 3 Congress trade reports and 192 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 MU page.

Other recent filings by Sen. Alan Armstrong

• Senate eFD periodic transaction report at Williams Companies (WMB)Sep 17, 2026
• Senate eFD periodic transaction report at Williams Companies (WMB)Sep 17, 2026
• Senate eFD periodic transaction report at KKR & Co. (KKR)Jul 21, 2026
• Senate eFD periodic transaction report at Globe Life (GL)Jul 21, 2026
• Senate eFD periodic transaction report at Copart (CPRT)Jul 21, 2026

The full history of Sen. Alan Armstrong is on the profile page.

How this filing works

• The STOCK Act

Other disclosures at Micron

• SEC Form 4Aug 28, 2026
• SEC Form 4Aug 25, 2026
• SEC Form 4Aug 25, 2026
• SEC Form 4Aug 25, 2026
• SEC Form 4Aug 25, 2026
• SEC Form 4Aug 25, 2026

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