T-Mobile (TMUS)Sumitomo Life Insurance Co added to its stake +5,612 shares

57K

Shares reported · +5,612 vs prior quarter

0.16%

Disclosed portfolio weight

$9.55M

Reported value

Holdings as of

Jun 30, 2026

Filed

Aug 12, 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 TMUS — reported range $15,001 - $50,000
2. Jul 2, 2026Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors
3. Jul 23, 2026Company filing · Form 8-K · ResultsReported its results
4. Aug 7, 2026Layoff notice · Irving, Dallas CountyLayoff notice filed in TX: 113 employees

What came next

1. Aug 26, 2026Layoff notice · Seattle, Bellingham, Bothell, Vancouver, Bellevue, Kennewick, Tacoma, and YakimaLayoff notice filed in WA: 77 employees
2. Sep 1, 2026Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors“On September 3, 2026, T-Mobile US, Inc. (“T-Mobile” or the “Company”) announced that Peter Osvaldik, Chief Financial Officer of the Company, would retire from his role as Chief Financial Officer in February 2027.”
3. Sep 10, 2026InsiderOfficer sold ~$138K of TMUS shares in the open market

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 T-Mobile

For T-Mobile, OQRO holds 2 insider filings (SEC Form 4 or Form 144), 1 Congress trade report and 46 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 TMUS page.

How this filing works

• SEC Form 13F

Other disclosures at T-Mobile

• SEC Form 4Sep 14, 2026
• SEC Form 144Sep 10, 2026
• SEC Form 13F-HRAug 26, 2026
• SEC Form 13F-HRAug 25, 2026
• SEC Form 13F-HRAug 18, 2026
• SEC Form 13F-HRAug 14, 2026

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