Insiders sold $151M in the past 90 days with zero buys; institutional net value dropped $468M despite more buyers, indicating distribution by large holders.

Confirmation

Continued insider liquidation or further institutional net value decline next quarter confirms the bearish thesis.

Invalidation Risk

Sudden insider buying or a reversal to institutional net accumulation invalidates the bearish call.

The above is AI-generated from public regulatory filings and summarizes historical data only. It is not investment advice and should not be used as the basis for any buy or sell decision.

Insider Trading (Form 4)

90d confidence

unique buyers

—

buy value

data as of 2026-07-16

12-Month Buy/Sell Activity

Feb 25

Jun 25

Sep 25

Dec 25

BuySell

操作	內部人	職稱	交易日	金額
賣出	Datar Srikant M.	Director	2026-03-10	$218K
賣出	Datar Srikant M.	Director	2026-03-04	$728K
賣出	SIEVERT G MICHAEL	President and CEO	2026-02-24	$242K
賣出	Nelson Mark Wolfe	Chief Legal Officer & GC	2026-02-24	$518K
賣出	SIEVERT G MICHAEL	President and CEO	2026-02-23	$3.06M
賣出	SIEVERT G MICHAEL	President and CEO	2026-02-19	$17.20M
賣出	Osvaldik Peter	Chief Financial Officer	2026-02-18	$5.80M
賣出	Nelson Mark Wolfe	Chief Legal Officer & GC	2026-02-18	$1.38M

View all insider trades →

Form 144 Pre-Sale Notices

No Form 144 planned sale filings in the last 90 days

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

Filings (14d)

Data as of 2026-07-07

2026-07-07

T-Mobile US announced leadership changes. Chris Sambar will join as Chief Enterprise Officer by October, overseeing enterprise and government clients. André Almeida moves to Chief Marketing, Brand, and Broadband Officer, and CTO John Saw adds product engineering and cybersecurity. Longtime executive Michael J. Katz steps down as Chief Business and Product Officer on July 8 but stays as strategic advisor through year-end.

View Full Filing (SEC EDGAR)

View all Form 8-K filings

FAQ

Who are the top institutional investors holding T-MOBILE US INC (TMUS)?

Major stakeholders currently include BlackRock, Inc. ($8.2B), Vanguard Capital Management LLC ($6.2B), Price T Rowe Associates INC /md/ ($6.0B). Based on the latest 13F filings, there are a total of 1731 tracked investment funds and institutions maintaining positions in TMUS.

What is the overall institutional sentiment toward TMUS recently?

Institutional sentiment appears Bearish (Net Selling). During the most recent reporting quarter, the stock experienced a net outflow of $468.1M, driven by 889 managers accumulating shares while 785 reduced their exposure.

Which institutions have been selling or reducing their TMUS positions?

In the latest period, 636 funds trimmed their holdings, and 149 managers completely exited their positions. The aggregate reported sell value was $43.6B.

Are there any notable investors adding TMUS to their portfolios?

Yes, buying activity remains notable. 163 institutions opened new positions in {ticker}, and 726 existing holders added to their shares. The total reported buy value for the quarter amounted to $55.3B.