T-Mobile (TMUS)CFO sold ~$5.8M

~$5.8M

Approx. value · 27K sh @ $214.86

52K

Holds after · shares reported

Traded

Feb 18, 2026

Filed

Feb 19, 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 11, 2025CongressDisclosed purchase of TMUS — reported range $1,001 - $15,000
2. Jan 5, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations
3. Jan 13, 2026CongressDisclosed sale of TMUS — reported range $50,001 - $100,000
4. Jan 30, 2026Layoff notice · 50 Commerce Dr., Suite 130, SchaumburgLayoff notice filed in IL: 337 employees
5. Feb 2, 2026Layoff notice · Various locations in WashingtonLayoff notice filed in WA: 637 employees
6. Feb 11, 2026Company filing · Form 8-K · ResultsReported its results
7. Feb 12, 2026InsiderDirector sold ~$120M of TMUS shares in the open market
8. Feb 17, 2026InsiderOfficer sold ~$2.26M of TMUS shares in the open market
9. Feb 18, 2026 · this disclosureInsiderCFO sold ~$5.8M of TMUS shares in the open market

What came next

1. Feb 18, 2026InsiderOfficer sold ~$1.38M of TMUS shares in the open market
2. Feb 19, 2026Insider · Their largest sale since 2015Director sold ~$17.2M of TMUS shares in the open market
3. Feb 23, 2026InsiderDirector sold ~$3.06M of TMUS shares in the open market
4. Feb 24, 2026Insider · 2 peopleInsiders: 2 sales (~$760K)
5. Mar 4, 2026InsiderDirector sold ~$728K of TMUS shares in the open market
6. Mar 10, 2026InsiderDirector sold ~$218K of TMUS shares in the open market
7. Mar 23, 20265% stakeDeutsche Telekom AG filed an activist stake (13D) of 53.7%
8. Mar 26, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On March 26, 2026, Abdurazak Mudesir notified the Board of Directors (the “Board”) of T-Mobile US, Inc. (the “Company”) of his decision to resign from the Board and from the Nominating, Corporate Governance and Compliance Committee of the Board, effective March 31, 2026.”
9. Apr 14, 2026Layoff notice · Austin, Travis CountyLayoff notice filed in TX: 74 employees
10. Apr 28, 2026Company filing · Form 8-K · ResultsReported its results
11. May 1, 2026Insider · 2 peopleInsiders: 1 purchase (~$1.0M), 1 sale (~$979K)
12. May 21, 2026InsiderOfficer sold ~$912K of TMUS shares in the open market

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

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.

Other recent filings by Peter Osvaldik, Chief Financial Officer

• SEC Form 4 at T-Mobile (TMUS)Mar 3, 2025
• SEC Form 4 at T-Mobile (TMUS)Oct 29, 2024

The full history of Peter Osvaldik, Chief Financial Officer is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

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.