Amgen (AMGN)Shelton Capital Management reduced its stake -10K shares

64K

Shares reported · -10K vs prior quarter

0.43%

Disclosed portfolio weight

$23M

Reported value

Holdings as of

Jun 30, 2026

Filed

Aug 14, 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. Mar 27, 2026CongressDisclosed sale of AMGN — reported range $15,001 - $50,000
2. Jul 29, 2026Company filing · Form 8-K · Cyber incidentReported a cybersecurity incident“In July 2026, Amgen Inc. (the "Company") identified unauthorized activity involving data stored in cloud environments hosted by third-party cloud service providers.”
3. Aug 4, 2026Company filing · Form 8-K · ResultsReported its results
4. Aug 6, 2026Insider · 2 peopleInsiders: 4 sales (~$2.8M)
5. Aug 11, 2026InsiderOfficer sold ~$825K of AMGN shares in the open market
6. Aug 12, 2026CongressDisclosed partial sale of AMGN — reported range $1,001 - $15,000
7. Aug 13, 2026InsiderOfficer sold ~$521K of AMGN shares in the open market

What came next

1. Aug 26, 2026Congress · 1 personMembers of Congress: 2 sales
2. Sep 22, 2026CongressDisclosed purchase of AMGN — reported range $1,001 - $15,000

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Amgen

For Amgen, OQRO holds 6 insider filings (SEC Form 4 or Form 144), 5 Congress trade reports and 75 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 AMGN page.

How this filing works

• SEC Form 13F

Other disclosures at Amgen

• House Clerk periodic transaction reportOct 1, 2026
• House Clerk periodic transaction reportSep 5, 2026
• House Clerk periodic transaction reportSep 5, 2026
• Senate eFD periodic transaction reportSep 2, 2026
• SEC Form 13F-HRAug 26, 2026
• SEC Form 13F-HRAug 14, 2026

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