SIEVERT G MICHAEL - Insider Non-Derivative Transactions at T-Mobile US, Inc. (TMUS) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 3, 2025, SIEVERT G MICHAEL's relationship to T-Mobile US, Inc. (TMUS) is Director, and currently has 220,695.95 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other TMUS insiders.

Related Topics: SEC Topic List.
Data Source: SEC.
SIEVERT G MICHAEL - Insider Non-Derivative Transactions of TMUS Common Stock
SIEVERT G MICHAEL - Insider Non-Derivative Transactions at TMUS
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Date Transaction No. of Shares Price Per Share Shares Owned After Transactions
Dec 4, 2025 G -- (Common Stock) 65500 0 220695.95
Nov 19, 2025 Sell -- (Common Stock) 22500 214.25 286195.95
Nov 18, 2025 Sell -- (Common Stock) 22500 216.97 308695.95
Nov 11, 2025 G -- (Common Stock) 43318 0 331195.95
Nov 10, 2025 F -- (Common Stock) 44140.08 207 292081.5
Nov 10, 2025 F -- (Common Stock) 53482.55 207 374513.95
Nov 10, 2025 Acquisition -- (Common Stock) 135915 0 427996.5
Aug 20, 2025 Sell -- (Common Stock) 22500 257.17 336221.58
Aug 19, 2025 Sell -- (Common Stock) 22500 255.58 358721.58
May 21, 2025 Sell -- (Common Stock) 22500 240.99 381221.58
May 20, 2025 Sell -- (Common Stock) 22500 244.4 403721.58
Apr 2, 2025 F -- (Common Stock) 50222.8 268.54 426221.58
Apr 2, 2025 Acquisition -- (Common Stock) 127631 0 476444.38
Feb 27, 2025 Sell -- (Common Stock) 22500 263.98 348813.38
Feb 26, 2025 Sell -- (Common Stock) 22500 269.67 371313.38
Feb 16, 2025 F -- (Common Stock) 26301.94 270.82 340263.07
Feb 16, 2025 Acquisition -- (Common Stock) 48441 0 366565
Feb 16, 2025 F -- (Common Stock) 34743.69 270.82 393813.38
Feb 16, 2025 Acquisition -- (Common Stock) 88294 0 428557.07
Nov 15, 2024 Sell -- (Common Stock) 40000 239.22 318124
Nov 13, 2024 Sell -- (Common Stock) 20000 237.82 358124
Nov 12, 2024 Sell -- (Common Stock) 20000 237.73 378124
Aug 14, 2024 Sell -- (Common Stock) 20000 195.06 398124
Aug 13, 2024 Sell -- (Common Stock) 20000 194.57 418124
May 15, 2024 Sell -- (Common Stock) 20000 162.84 438124
May 14, 2024 Sell -- (Common Stock) 20000 163.2 458124
Mar 5, 2024 F -- (Common Stock) 7521 163.34 448515
Mar 5, 2024 F -- (Common Stock) 19212 163.34 478124
Mar 5, 2024 Acquisition -- (Common Stock) 48821 0 497336
Feb 29, 2024 Sell -- (Common Stock) 20000 163.78 456036
Feb 28, 2024 Sell -- (Common Stock) 20000 163.71 476036
Feb 16, 2024 G -- (Common Stock) 95000 0 0
Feb 16, 2024 Sell -- (Common Stock) 40000 161.05 496036
Feb 16, 2024 F -- (Common Stock) 17896 161.57 536036
Feb 16, 2024 Acquisition -- (Common Stock) 64093 0 553932
Nov 18, 2023 Sell -- (Common Stock) 96500 147.55 489839
Nov 14, 2023 Sell -- (Common Stock) 20000 147.29 586339
Nov 11, 2023 Sell -- (Common Stock) 20000 146.9 606339
Aug 12, 2023 Sell -- (Common Stock) 20000 138.05 626339
Aug 11, 2023 Sell -- (Common Stock) 20000 138.34 646339
May 31, 2023 G -- (Common Stock) 95000 0 95000
May 31, 2023 G -- (Common Stock) 95000 0 666339
May 31, 2023 G -- (Common Stock) 20000 0 761339
May 13, 2023 Sell -- (Common Stock) 20000 143.69 781339
May 12, 2023 Sell -- (Common Stock) 20000 142.81 801339
Apr 2, 2023 Acquisition -- (Common Stock) 7947 0 526277
Apr 2, 2023 F -- (Common Stock) 191438 144.84 821339
Apr 2, 2023 Acquisition -- (Common Stock) 486500 0 1012777
Mar 5, 2023 Disposition -- (Common Stock) 19112 0 518330
Mar 1, 2023 Sell -- (Common Stock) 20000 143.09 537442
Feb 28, 2023 Sell -- (Common Stock) 20000 144.68 557442
Feb 16, 2023 Disposition -- (Common Stock) 52090 0 577442
Feb 16, 2023 Acquisition -- (Common Stock) 55060 0 629532