T-Mobile US Inc. (TMUS) — Insider Trading

Name: Insider Trading T-Mobile US Inc. (TMUS) — September 2026
Creator: WhaleSentiment

Sector: Communication Services • All Insider Transactions

🔄 Last update: 09/19/2026 at 14:10 UTC

Sales (90d)

$0.1M

1 transactions

Buys (90d)

0 transactions

WhaleSentiment Score ℹ️

⚪ -29

Neutro

Form 144 Filings

Upcoming sale notices

Stock Price TMUS 📈

TMUS stock price — last 6 months

Last Price

$168.18

18/09/2026 (market close)

Daily Change

+1.73 (+1.04%)

6-Month Performance

-17.7%

$204.30 → $168.18

6M High / 6M Low

$211.56

Min: $166.45

▲ = insider buy (0), ▼ = insider sell (1)

Data from Yahoo Finance, 15-min delay. Last update: 18/09/2026 (market close).

All Insider Transactions TMUS — 2026

Insider Transactions

Date	Insider	Role	Type	Shares	Price	Value
09/10/2026	Nelson Mark Wolfe	Chief Legal Officer & GC	Award	102	$178.14	$0.02M
09/10/2026	Drobac Daniel James	VP & Chief Accounting Officer	Sale	772	$178.33	$0.1M
09/10/2026	Drobac Daniel James	VP & Chief Accounting Officer	Award	1	$178.14	$0.000M
09/01/2026	Almeida Andre	Chief Commercial Officer	Tax	530	$182.16	$0.10M
08/25/2026	Drobac Daniel James	VP & Chief Accounting Officer	Tax	171	$181.61	$0.03M
08/15/2026	Drobac Daniel James	VP & Chief Accounting Officer	Tax	87	$182.61	$0.02M
08/01/2026	Sambar Christopher	Chief Enterprise Officer	Award	40,966	—	—

Holdings Summary

Insider	Role	Shares Held	Last Transaction
Nelson Mark Wolfe	Chief Legal Officer & GC	66,070	09/10/2026
Almeida Andre	Chief Commercial Officer	44,319	09/01/2026
Sambar Christopher	Chief Enterprise Officer	40,966	08/01/2026
Drobac Daniel James	VP & Chief Accounting Officer	35,117	09/10/2026

⚠️ Form 144 — Upcoming Sale Notices

Form 144 is filed BEFORE the actual sale. It is an important leading indicator.

Filing Date	Type	SEC Link
09/10/2026	144	View Filing →

Financial Context

Recent financial data from SEC filings (XBRL) to contextualize insider activity.

Revenue (latest quarter)

$10571M

Period: 2018-06-30

Net Income

$3239M

Profit

Diluted EPS

$2.99

Per share

What is Insider Trading on T-Mobile US Inc.?

Legal insider trading occurs when executives, directors, and major shareholders (>10%) of a public company buy or sell shares of their own company and report it to the SEC via Form 4.

How to Read the Data

Open market purchases (P) — the strongest signal. The insider uses their own money to buy shares.

Signals to Watch for TMUS

Cluster buying: multiple T-Mobile US Inc. insiders buying in the same week → very bullish signal
Excessive selling: selling volume above historical average → possible concern signal
Form 144: filing of a sale notice → imminent sale in the coming days/weeks
10b5-1 Plan: pre-programmed sales are less significant than discretionary sales

Sources & References

All data on this page comes directly from public SEC filings.

📋 View all Form 4 filings on SEC EDGAR TMUS →

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⚠️ Disclaimer: WhaleSentiment provides public SEC data for informational and educational purposes only. It does not provide financial advice, investment recommendations, or solicitation to buy/sell financial instruments. Always consult a qualified financial advisor before making investment decisions.