T-Mobile US, Inc.
US ˙ NasdaqGS ˙ US8725901040

SecurityTMUS / T-Mobile US, Inc.
InsiderG Michael Sievert
This page shows the track record and history of SIEVERT G MICHAEL insider trades in T-Mobile US, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by G Michael Sievert in TMUS / T-Mobile US, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

TMUS / T-Mobile US, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by G Michael Sievert in TMUS / T-Mobile US, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2024-11-14 40,000 239.2200 40,000 239.2200 9,568,800 57 211.3000 -1,116,800 -11.67
2024-02-15 40,000 161.0500 40,000 161.0500 6,442,000
2023-11-17 96,500 147.5500 96,500 147.5500 14,238,575
2020-06-30 150,000 0.2000 150,000 0.2000 30,000
2020-06-30 466,767 0.1733 466,767 0.1733 80,891

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

TMUS / T-Mobile US, Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-08-20 2025-08-19 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 257.1700 -22,500 -5,786 336,222
2025-08-20 2025-08-18 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 255.5800 -22,500 -5,751 358,722
2025-05-21 2025-05-20 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 240.9900 -22,500 -5,422 381,222
2025-05-21 2025-05-19 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 244.4000 -22,500 -5,499 403,722
2025-04-03 2025-04-01 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 268.5400 -50,223 -13,487 426,222
2025-04-03 2025-04-01 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 127,631 476,444
2025-02-27 2025-02-26 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 263.9800 -22,500 -5,940 348,813
2025-02-27 2025-02-25 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 269.6700 -22,500 -6,068 371,313
2025-02-19 2025-02-15 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 270.8200 -34,744 -9,409 393,813
2025-02-19 2025-02-15 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 88,294 428,557
2025-02-19 2025-02-15 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 270.8200 -26,302 -7,123 340,263
2025-02-19 2025-02-15 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 48,441 366,565
2024-11-18 2024-11-14 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 239.2200 -40,000 -9,569 318,124
2024-11-13 2024-11-12 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 237.8200 -20,000 -4,756 358,124
2024-11-13 2024-11-11 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 237.7300 -20,000 -4,755 378,124
2024-08-14 2024-08-13 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 195.0600 -20,000 -3,901 398,124
2024-08-14 2024-08-12 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 194.5700 -20,000 -3,891 418,124
2024-05-15 2024-05-14 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 162.8400 -20,000 -3,257 438,124
2024-05-15 2024-05-13 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 163.2000 -20,000 -3,264 458,124
2024-03-06 2024-03-04 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 163.3400 -19,212 -3,138 478,124
2024-03-06 2024-03-04 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 48,821 497,336
2024-03-06 2024-03-04 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 163.3400 -7,521 -1,228 448,515
2024-02-29 2024-02-28 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 163.7800 -20,000 -3,276 456,036
2024-02-29 2024-02-27 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 163.7100 -20,000 -3,274 476,036
2024-02-20 2024-02-15 4 SIEVERT G MICHAEL By family LLC TMUS Common Stock G - Gift I -95,000 0
2024-02-20 2024-02-15 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 161.0500 -40,000 -6,442 496,036
2024-02-20 2024-02-15 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 161.5700 -17,896 -2,891 536,036
2024-02-20 2024-02-15 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 64,093 553,932
2023-11-21 2023-11-17 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 147.5500 -96,500 -14,239 489,839
2023-11-14 2023-11-13 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 147.2900 -20,000 -2,946 586,339
2023-11-14 2023-11-10 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 146.9000 -20,000 -2,938 606,339
2023-08-14 2023-08-11 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 138.0500 -20,000 -2,761 626,339
2023-08-14 2023-08-10 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 138.3400 -20,000 -2,767 646,339
2023-05-31 2023-05-30 4 SIEVERT G MICHAEL By family LLC TMUS Common Stock G - Gift I 95,000 95,000
2023-05-31 2023-05-30 4 SIEVERT G MICHAEL TMUS Common Stock G - Gift D -95,000 666,339
2023-05-31 2023-05-30 4 SIEVERT G MICHAEL TMUS Common Stock G - Gift D -20,000 761,339
2023-05-15 2023-05-12 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 143.6900 -20,000 -2,874 781,339
2023-05-15 2023-05-11 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 142.8100 -20,000 -2,856 801,339
2023-04-04 2023-04-01 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 144.8400 -191,438 -27,728 821,339
2023-04-04 2023-04-01 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 486,500 1,012,777
2023-04-04 2023-04-01 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 7,947 526,277
2023-03-07 2023-03-04 4 SIEVERT G MICHAEL TMUS Common Stock D - Sale to Issuer D -19,112 518,330
2023-03-01 2023-02-28 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 143.0900 -20,000 -2,862 537,442
2023-03-01 2023-02-27 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 144.6800 -20,000 -2,894 557,442
2023-02-17 2023-02-15 4 SIEVERT G MICHAEL TMUS Common Stock D - Sale to Issuer D -52,090 577,442
2023-02-17 2023-02-15 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 55,060 629,532
2022-11-14 2022-11-11 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 149.9600 -20,000 -2,999 574,472
2022-11-14 2022-11-10 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 151.8900 -20,000 -3,038 594,472
2022-08-12 2022-08-11 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 145.7700 -20,000 -2,915 614,472
2022-08-12 2022-08-10 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 146.9200 -20,000 -2,938 634,472
2022-05-13 2022-05-12 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 123.3300 -20,000 -2,467 654,472
2022-05-13 2022-05-11 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 121.9900 -20,000 -2,440 674,472
2022-03-08 2022-03-04 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 123.2300 -7,521 -927 694,472
2022-03-01 2022-02-28 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 121.6900 -20,000 -2,434 701,993
2022-03-01 2022-02-25 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 124.7300 -20,000 -2,495 721,993
2022-02-17 2022-02-15 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 127.0300 -36,273 -4,608 741,993
2022-02-17 2022-02-15 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 92,180 778,266
2022-02-17 2022-02-15 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 127.0300 -20,860 -2,650 686,086
2022-02-17 2022-02-15 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 73,425 706,946
2022-02-14 2021-12-23 5 SIEVERT G MICHAEL TMUS Common Stock G - Gift D -208,700 633,521
2021-11-12 2021-11-11 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 119.2000 -20,000 -2,384 842,221
2021-11-12 2021-11-10 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 119.6500 -20,000 -2,393 862,221
2021-08-12 2021-08-11 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 143.3100 -20,000 -2,866 882,221
2021-08-12 2021-08-10 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 142.6300 -20,000 -2,853 902,221
2021-05-11 2021-05-11 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 135.1100 -20,000 -2,702 922,221
2021-05-11 2021-05-10 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 138.3300 -20,000 -2,767 942,221
2021-05-03 2021-04-29 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 134.0100 -100,491 -13,467 962,221
2021-05-03 2021-04-29 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 255,375 1,062,712
2021-03-08 2021-03-04 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 57,335 807,337
2021-02-26 2021-02-26 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 118.8900 -20,000 -2,378 750,002
2021-02-26 2021-02-25 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 124.4500 -20,000 -2,489 770,002
2021-02-17 2021-02-15 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 123.6800 -62,452 -7,724 790,002
2021-02-17 2021-02-15 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 86,987 852,454
2021-02-12 2020-12-24 5 SIEVERT G MICHAEL TMUS Common Stock G - Gift D -3,638 765,467
2020-07-02 2020-06-30 4 SIEVERT G MICHAEL TMUS Subscription Rights (right to buy) S - Sale D 103.00 0.1733 -466,767 -81 0
2020-07-02 2020-06-30 4 SIEVERT G MICHAEL TMUS Subscription Rights (right to buy) S - Sale D 103.00 0.2000 -150,000 -30 466,767
2020-05-05 2020-05-01 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 86.2000 -92,858 -8,004 769,105
2020-05-05 2020-05-01 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 235,978 861,963
2020-02-27 2020-02-25 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 94.5800 -31,745 -3,002 625,985
2020-02-27 2020-02-25 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 61,372 657,730
2020-02-19 2020-02-15 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 82,843 596,358
2020-02-19 2020-02-15 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 96.4800 -15,800 -1,524 513,515
2019-06-19 2019-06-18 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 76.0884 -4,650 -354 529,315
2019-06-19 2019-06-17 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 74.9171 -4,674 -350 533,965
2019-03-20 2019-03-19 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 72.9051 -4,752 -346 538,639
2019-03-20 2019-03-18 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 73.5818 -4,766 -351 543,391
2019-02-27 2019-02-25 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 73.0500 -97,405 -7,115 548,157
2019-02-27 2019-02-25 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 66,583 645,562
2019-02-27 2019-02-25 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 81,339 578,979
2019-02-20 2019-02-15 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 72.0500 -5,278 -380 497,640
2019-02-20 2019-02-15 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 76,182 502,918
2019-01-16 2019-01-15 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 67.9900 -5,154 -350 426,736
2019-01-16 2019-01-14 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 67.8030 -5,074 -344 431,890
2018-11-07 2018-11-06 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 68.8000 -5,082 -350 436,964
2018-11-07 2018-11-05 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 69.3500 -5,110 -354 442,046
2018-09-06 2018-09-05 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 65.7224 -5,322 -350 447,156
2018-09-06 2018-09-04 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 65.8606 -5,300 -349 452,478
2018-07-05 2018-07-03 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 59.3963 -2,922 -174 457,778
2018-07-05 2018-07-02 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 59.3650 -2,929 -174 460,700
2018-05-09 2018-05-08 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 56.0853 -3,096 -174 463,629
2018-05-09 2018-05-07 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 57.3660 -500 -29 466,725
2018-05-09 2018-05-07 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 56.5029 -2,556 -144 467,225
2018-03-07 2018-03-06 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 63.0174 -5,560 -350 469,781
2018-03-07 2018-03-05 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 62.3347 -5,602 -349 475,341
2018-02-27 2018-02-25 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 60.0600 -70,758 -4,250 480,943
2018-02-27 2018-02-25 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 116,423 551,701
2018-02-20 2018-02-15 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 56,121 435,278
2017-06-07 2017-06-05 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 67.4000 -4,272 -288 379,157
2017-02-28 2017-02-25 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 62.2100 -31,415 -1,954 383,429
2017-02-28 2017-02-25 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 115,798 414,844
2016-06-07 2016-06-03 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 43.6300 -4,271 -186 299,046
2016-02-26 2016-02-25 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 38.3600 -22,014 -844 303,317
2016-02-26 2016-02-25 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 67,223 325,331
2016-01-05 2015-12-31 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 39.1200 -71,701 -2,805 258,108
2016-01-05 2015-12-31 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 170,919 329,809
2015-06-09 2015-06-08 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 40.3000 -2,955 -119 158,890
2015-06-09 2015-06-05 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 40.2400 -4,271 -172 161,845
2015-02-27 2015-02-26 4 SIEVERT G MICHAEL TMUS Common Stock S - Sale D 32.5500 -8,939 -291 166,116
2015-02-27 2015-02-25 4 SIEVERT G MICHAEL TMUS Common Stock F - Taxes D 32.1900 -12,919 -416 175,055
2015-02-27 2015-02-25 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 65,041 187,974
2014-06-06 2014-06-05 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 30,544 122,933
2013-06-12 2013-06-10 4 SIEVERT G MICHAEL TMUS Common Stock A - Award D 92,389 92,389
P
Köp på öppna marknaden eller privat köp av icke-derivatsäkerhet
S
Köp på öppna marknaden eller privat försäljning av icke-derivatsäkerhet
A
Bevilja, tilldelning eller annat förvärv av värdepapper från företaget (såsom en option)
C
Omvandling av derivat
D
Försäljning eller överföring av värdepapper tillbaka til företaget
F
Betalning av lösenpris eller skatteskuld med del av värdepapper som erhållits från bolaget
G
Överlåtelse av värdepapper från eller till insidern
K
Aktieswappar och liknande säkringsaffärer
M
Utövande eller omvandling av derivatsäkerhet som erhållits från företaget (som en option)
V
En transaktion friviligt rapporterad på schema 4
J
Andra (med en fotnot som beskriver transaktionen)