G Michael Sievert - Net Worth and Insider Trading

G Michael Sievert Net Worth

The estimated net worth of G Michael Sievert is at least $22 Million dollars as of 2026-08-11. G Michael Sievert is the Director of T-Mobile US Inc and owns about 125,696 shares of T-Mobile US Inc (TMUS) stock worth over $22 Million. Details can be seen in G Michael Sievert's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that G Michael Sievert has not made any transactions after 2026-02-24 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of G Michael Sievert

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G Michael Sievert Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, G Michael Sievert owns 3 companies in total, including T-Mobile US Inc (TMUS) , Starbucks Corp (SBUX) , and Alaska Air Group Inc (ALK) .

Click here to see the complete history of G Michael Sievert’s form 4 insider trades.

Insider Ownership Summary of G Michael Sievert

Ticker Company Transaction Date Type of Owner
TMUS T-Mobile US Inc 2026-02-24 Chief Operating Officer
SBUX Starbucks Corp 2024-01-09 director
ALK Alaska Air Group Inc 2026-06-01 director

G Michael Sievert Latest Holdings Summary

G Michael Sievert currently owns a total of 1 stock. G Michael Sievert owns 125,696 shares of T-Mobile US Inc (TMUS) as of February 24, 2026, with a value of $22 Million.

Latest Holdings of G Michael Sievert

Ticker Company Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
TMUS T-Mobile US Inc 2026-02-24 125,696 178.20 22,399,027

Holding Weightings of G Michael Sievert


G Michael Sievert Form 4 Trading Tracker

According to the SEC Form 4 filings, G Michael Sievert has made a total of 20 transactions in T-Mobile US Inc (TMUS) over the past 5 years, including 0 buys and 20 sells. The most-recent trade in T-Mobile US Inc is the sale of 15,000 shares on February 24, 2026, which brought G Michael Sievert around $3 Million.

Insider Trading History of G Michael Sievert

* The information on this page (including Insider Trading Shares, Share Changes, Cost, etc.) is sourced exclusively from Form 4 filings and does not incorporate any data from 13F or 13D/G filings. As a result, it may differ from the values shown on the Guru page.

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.
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  • 1
Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

G Michael Sievert Trading Performance

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

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G Michael Sievert Ownership Network

Ownership Network List of G Michael Sievert

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Ownership Network Relation of G Michael Sievert

Insider Network Chart


G Michael Sievert Owned Company Details

What does T-Mobile US Inc do?

Who are the key executives at T-Mobile US Inc?

G Michael Sievert is the Chief Operating Officer of T-Mobile US Inc. Other key executives at T-Mobile US Inc include EVP & Consumer Markets Jon Freier , EVP & T-Mobile for Business Michael J. Katz , and EVP and General Counsel Mark Wolfe Nelson .

T-Mobile US Inc (TMUS) Insider Trades Summary

Over the past 18 months, G Michael Sievert made 6 insider transaction in T-Mobile US Inc (TMUS) with a net sale of 275,000. Other recent insider transactions involving T-Mobile US Inc (TMUS) include a net sale of 6,148,777 shares made by Telekom Ag Deutsche , a net sale of 59,176 shares made by Mark Wolfe Nelson , and a net sale of 12,500 shares made by Michael J. Katz .

In summary, during the past 3 months, insiders sold 4,799 shares of T-Mobile US Inc (TMUS) in total and bought 0 shares, with a net sale of 4,799 shares. During the past 18 months, 7,174,788 shares of T-Mobile US Inc (TMUS) were sold and 14,897 shares were bought by its insiders, resulting in a net sale of 7,159,891 shares.

T-Mobile US Inc (TMUS)'s detailed insider trading history can be found in Insider Trading Tracker table.

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T-Mobile US Inc Insider Transactions

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G Michael Sievert Mailing Address

Above is the net worth, insider trading, and ownership report for G Michael Sievert. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, G Michael Sievert's mailing address is: Tampa Fl 33607.