TMUS
T-Mobile US, Inc. · Technology · Market cap $164.9B
Insiders sold $138K net in the last 90 days ·1 seller, 0 buyers· 1 of 1 sale under Rule 10b5-1 plans· latest Form 4 filed Sep 14, 2026
Insider Buying
$3.0M
reported purchases (SEC code P)
Insider Selling
$227.2M
reported sales (SEC code S)
Unique Insiders
12
in the rolling window
Latest filing
Sep 28, 2026
Drobac Daniel James
T-Mobile US, Inc. (TMUS) has 53 SEC Form 4 filings (103 transaction rows) in the rolling window, disclosed by 12 distinct insiders. Most recent filing: Sep 28, 2026.
Inside the rolling window, 12 insiders at T-Mobile US, Inc. reported 2 open-market purchases totaling $3.0M and 24 open-market sales totaling $227.2M. The most active filer is Director, 10% Owner DEUTSCHE TELEKOM AG with 7 filings. Insiders have net sold $1.0M over the trailing 6 months. The largest single insider purchase in this window was $1.0M by Chief Broadband, Ent. & Emerg Almeida Andre on May 1, 2026. The most recent open-market filing is a sale of 772 shares by VP & Chief Accounting Officer Drobac Daniel James, dated Sep 10, 2026, worth $138K.
- Industry:Telecommunications Services
- CEO:Srinivasan Gopalan
- Employees:75,000
- HQ:Bellevue, WA, US
- IPO:2007-04-19
| Source | |||||||
|---|---|---|---|---|---|---|---|
Drobac Daniel JamesFirst filing | VP & Chief Accounting Officer | Sale | 772 | $138K | Sep 14 | -15.9% | SEC ↗ |
Freier JonFirst filing | Chief Operating Officer | Sale | 4,799 | $912K | May 26 | -19.5% | SEC ↗ |
Almeida AndreFirst filing | Chief Broadband, Ent. & Emerg | Purchase | 5,097.44 | $1.0M | May 4 | -20.9% | SEC ↗ |
Katz Michael J.First in 6 months | Chief Bus. and Prod. Officer | Sale | 5,000 | $979K | May 4 | -20.9% | SEC ↗ |
| Director | Sale | 1,000 | $218K | Mar 12 | -28.3% | SEC ↗ | |
Datar Srikant M.First filing | Director | Sale | 3,291 | $728K | Mar 6 | -30.6% | SEC ↗ |
| Director | Sale | 13,911 | $3.1M | Feb 25 | -29.7% | SEC ↗ | |
| Director | Sale | 1,089 | $242K | Feb 25 | -29.7% | SEC ↗ | |
| Chief Legal Officer & GC | Sale | 2,329.203 | $518K | Feb 25 | -29.7% | SEC ↗ | |
SIEVERT G MICHAELFirst in 3 months | Director | Sale | 80,000 | $17.2M | Feb 23 | -30.1% | SEC ↗ |
Osvaldik PeterFirst filing | Chief Financial Officer | Sale | 27,000 | $5.8M | Feb 19 | — | SEC ↗ |
Nelson Mark WolfeFirst filing | Chief Legal Officer & GC | Sale | 10,240 | $2.3M | Feb 18 | — | SEC ↗ |
Nelson Mark WolfeFirst filing | Chief Legal Officer & GC | Sale | 6,274 | $1.4M | Feb 18 | — | SEC ↗ |
CLAURE RAUL MARCELOFirst filing | Director | Sale | 550,000 | $119.7M | Feb 17 | — | SEC ↗ |
Long Letitia AFirst filing | Director | Sale | 1,457 | $306K | Dec 9 | — | SEC ↗ |
SIEVERT G MICHAELFirst filing | Director | Sale | 22,500 | $4.9M | Nov 19 | — | SEC ↗ |
SIEVERT G MICHAELFirst filing | Director | Sale | 22,500 | $4.8M | Nov 19 | — | SEC ↗ |
Katz Michael J.First filing | Pres, Mkting Stgy & Prods | Sale | 2,500 | $540K | Nov 19 | — | SEC ↗ |
Gopalan SriniFirst filing | President and CEO | Purchase | 9,800 | $2.0M | Nov 10 | — | SEC ↗ |
| Director, 10% Owner | Sale | 1,374 | $303K | Oct 31 | — | SEC ↗ | |
| Director, 10% Owner | Sale | 64,426 | $14.2M | Oct 29 | — | SEC ↗ | |
| Director, 10% Owner | Sale | 53,507 | $11.8M | Oct 29 | — | SEC ↗ | |
| Director, 10% Owner | Sale | 34,721 | $7.7M | Oct 27 | — | SEC ↗ | |
| Director, 10% Owner | Sale | 856 | $188K | Oct 27 | — | SEC ↗ | |
DEUTSCHE TELEKOM AGFirst filing | Director, 10% Owner | Sale | 64,426 | $14.8M | Oct 23 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading TMUS 98 all-time
- DRep. Ro KhannaSale$1,001 - $15,0002026-08-07
- DRep. Ro KhannaSale$1,001 - $15,0002026-08-10
- DRep. Ro KhannaPurchase$1,001 - $15,0002026-07-07
- RSen. Alan ArmstrongSale$15,001 - $50,0002026-03-27
- RSen. Alan ArmstrongSale$15,001 - $50,0002026-03-27
- DRep. Ro KhannaPurchase$1,001 - $15,0002026-06-05
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does TMUS have?
T-Mobile US, Inc. (TMUS) has 53 SEC Form 4 filings (103 transaction rows) in the rolling 365-day window, disclosed by 12 distinct insiders. Most recent filing: Sep 28, 2026.
When was the most recent SEC Form 4 filing for TMUS?
The most recent Form 4 filing for TMUS on Tracefour is dated Sep 28, 2026.
Who is the most active insider at TMUS?
The most active SEC Form 4 filer at TMUS in the rolling window is Director, 10% Owner DEUTSCHE TELEKOM AG, with 7 filings.
What is the net insider flow at TMUS over the last 6 months?
Over the trailing 180 days, insiders at TMUS have net sold $1.0M based on SEC Form 4 disclosures.
What was the largest insider purchase at TMUS?
The largest single insider open-market purchase at TMUS in the rolling window was $1.0M by Chief Broadband, Ent. & Emerg Almeida Andre on 2026-05-01.
What is the total insider buy and sell value at TMUS in the current window?
Inside the rolling window, insiders at TMUS bought $3.0M and sold $227.2M based on SEC Form 4 filings.
Can I get alerts for TMUS insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at T-Mobile US, Inc. (TMUS). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
T-Mobile US, Inc. is in the Technology sector.