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

Over the last 6 months, 1402 institutions increased and 1291 reduced their position (13F).

Insider Activity

Sentiment
50/100
Buys (3m)
0
Sells (3m)
0
Net (3m)
$0
Insider trades by month Buys Sells
Oct
Nov
Dec
Feb
Mar
May
Context3-month price -3.7%Institutions mixed (13F)
DateInsiderTypeSharesPrice
Aug 27, 2026Drobac Daniel Jamesofficer: VP & Chief Accounting OfficerTax171$181.61
Aug 18, 2026Drobac Daniel Jamesofficer: VP & Chief Accounting OfficerTax88$182.61
Aug 4, 2026Sambar Christopherofficer: Chief Enterprise OfficerGrant40,966
Jun 18, 2026Taylor TeresadirectorGrant1,384
Jun 18, 2026Long Letitia AdirectorGrant1,384
Jun 18, 2026Datar Srikant M.directorGrant1,384
Jun 18, 2026KAVANAUGH JAMES JdirectorGrant1,384
Jun 18, 2026CLAURE RAUL MARCELOdirectorGrant1,384
Jun 18, 2026Dannenfeldt ThomasdirectorGrant1,384
Jun 18, 2026Long Letitia AdirectorGrant272
Jun 12, 2026Nelson Mark Wolfeofficer: Chief Legal Officer & GCGrant98$187.02
Jun 9, 2026Dannenfeldt ThomasdirectorTax311$178.10
May 26, 2026Freier Jonofficer: Chief Operating OfficerSell4,799$190.00
May 4, 2026Drobac Daniel Jamesofficer: VP & Chief Accounting OfficerTax37$196.06
May 4, 2026Almeida Andreofficer: Chief Broadband, Ent. & EmergBuy5,097$196.18
May 4, 2026Katz Michael J.officer: Chief Bus. and Prod. OfficerSell5,000$195.81
Mar 13, 2026Nelson Mark Wolfeofficer: Chief Legal Officer & GCGrant86$211.58
Mar 12, 2026Datar Srikant M.directorSell1,000$218.25
Mar 6, 2026Datar Srikant M.directorSell3,291$221.10
Feb 26, 2026Drobac Daniel Jamesofficer: VP & Chief Accounting OfficerTax389$218.66
Feb 25, 2026SIEVERT G MICHAELdirectorSell13,911$220.07
Feb 25, 2026SIEVERT G MICHAELdirectorSell1,089$221.85
Feb 25, 2026Nelson Mark Wolfeofficer: Chief Legal Officer & GCSell2,329$222.38
Feb 23, 2026SIEVERT G MICHAELdirectorSell80,000$214.94
Feb 19, 2026Osvaldik Peterofficer: Chief Financial OfficerSell27,000$214.86
Feb 18, 2026Gopalan Srinidirector, officer: President and CEOGrant60,031
Feb 18, 2026Almeida Andreofficer: Chief Broadband, Ent. & EmergGrant13,654
Feb 18, 2026King Deeanneofficer: Chief People OfficerGrant9,421
Feb 18, 2026King Deeanneofficer: Chief People OfficerTax3,108$219.50
Feb 18, 2026Gopalan Srinidirector, officer: President and CEOTax2,705$219.50

Source: TMUS SEC Form 4 filings, latest Aug 27, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their TMUS positions over the last 6 months (SEC Form 13F).

Increased
1402
New positions
369
Reduced
1291
Sold out
220
Largest moves
InstitutionActionSharesFiled
BlackRock, Inc.Increased39.5MAug 7, 2026
BLACKROCK, INC.Increased39.1MMay 13, 2026
Invesco Ltd.Increased31.9MAug 14, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position29.7MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCReduced29.4MAug 13, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased28.5MMay 15, 2026
PRICE T ROWE ASSOCIATES INC /MD/Reduced25.5MAug 14, 2026
STATE STREET CORPIncreased25.0MAug 7, 2026
STATE STREET CORPReduced23.7MMay 15, 2026
INVESCO LTD.Reduced23.1MJul 15, 2026
GOLDMAN SACHS GROUP INCIncreased19.0MAug 14, 2026
WELLINGTON MANAGEMENT GROUP LLPIncreased17.2MMay 15, 2026
MORGAN STANLEYIncreased14.5MAug 13, 2026
MORGAN STANLEYReduced14.4MMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased12.8MAug 12, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.