Sievert G Michael (CIK 0001182438)

Latest company ownership

Role: Director
Shares held
286,195.95
Last filed at
Dec 4, 2025
Confidence Score
8.6
2025Q4
Confidence Score History
2019Q1 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Nov 17, 2025 Nov 19, 2025 T-Mobile US, Inc. Director Sell 18.8 -45,000 -13.59% $9.7M
Nov 9, 2025 Nov 12, 2025 T-Mobile US, Inc. Director Sell 15.0 -5,025 -1.49% $20.2M
Aug 18, 2025 Aug 20, 2025 T-Mobile US, Inc. CEO Sell 17.5 -45,000 -11.80% $11.5M
May 19, 2025 May 21, 2025 T-Mobile US, Inc. CEO Sell 17.5 -45,000 -10.56% $10.9M
Apr 1, 2025 Apr 3, 2025 T-Mobile US, Inc. CEO Sell 100.0 +77,408 22.19% $13.5M
Feb 25, 2025 Feb 27, 2025 T-Mobile US, Inc. CEO Sell 17.5 -45,000 -11.43% $12M
Feb 15, 2025 Feb 19, 2025 T-Mobile US, Inc. CEO Sell 100.0 +75,689 23.79% $16.5M
Nov 14, 2024 Nov 18, 2024 T-Mobile US, Inc. CEO Sell 16.3 -40,000 -11.17% $9.6M
Nov 11, 2024 Nov 13, 2024 T-Mobile US, Inc. CEO Sell 18.8 -40,000 -10.05% $9.5M
Aug 12, 2024 Aug 14, 2024 T-Mobile US, Inc. CEO Sell 22.5 -40,000 -9.13% $7.8M
May 13, 2024 May 15, 2024 T-Mobile US, Inc. CEO Sell 22.5 -40,000 -8.37% $6.5M
Mar 4, 2024 Mar 6, 2024 T-Mobile US, Inc. CEO Sell 92.5 +22,088 4.84% $4.4M
Feb 27, 2024 Feb 29, 2024 T-Mobile US, Inc. CEO Sell 22.5 -40,000 -8.06% $6.5M
Feb 15, 2024 Feb 20, 2024 T-Mobile US, Inc. CEO Sell 16.3 -88,803 -15.18% $9.3M
Nov 17, 2023 Nov 21, 2023 T-Mobile US, Inc. CEO Sell 15.0 -96,500 -14.16% $14.2M
Nov 10, 2023 Nov 14, 2023 T-Mobile US, Inc. CEO Sell 26.3 -40,000 -6.39% $5.9M
Aug 10, 2023 Aug 14, 2023 T-Mobile US, Inc. CEO Sell 26.3 -40,000 -6.00% $5.5M
May 11, 2023 May 15, 2023 T-Mobile US, Inc. CEO Sell 31.3 -40,000 -4.87% $5.7M
Apr 1, 2023 Apr 4, 2023 T-Mobile US, Inc. CEO Sell 100.0 +303,009 58.46% $27.7M
Feb 27, 2023 Mar 1, 2023 T-Mobile US, Inc. CEO Sell 26.3 -40,000 -6.93% $5.8M
Nov 10, 2022 Nov 14, 2022 T-Mobile US, Inc. CEO Sell 26.3 -40,000 -6.51% $6M
Aug 10, 2022 Aug 12, 2022 T-Mobile US, Inc. CEO Sell 26.3 -40,000 -6.11% $5.9M
May 11, 2022 May 13, 2022 T-Mobile US, Inc. CEO Sell 27.5 -40,000 -5.76% $4.9M
Mar 4, 2022 Mar 8, 2022 T-Mobile US, Inc. CEO Sell 20.0 -7,521 -1.07% $926.8K
Feb 25, 2022 Mar 1, 2022 T-Mobile US, Inc. CEO Sell 27.5 -40,000 -5.39% $4.9M
Feb 15, 2022 Feb 17, 2022 T-Mobile US, Inc. CEO Sell 100.0 +108,472 17.12% $7.3M
Nov 10, 2021 Nov 12, 2021 T-Mobile US, Inc. CEO Sell 32.5 -40,000 -4.53% $4.8M
Aug 10, 2021 Aug 12, 2021 T-Mobile US, Inc. CEO Sell 31.3 -40,000 -4.34% $5.7M
May 10, 2021 May 11, 2021 T-Mobile US, Inc. CEO Sell 31.3 -40,000 -4.16% $5.5M
Apr 29, 2021 May 3, 2021 T-Mobile US, Inc. CEO Sell 100.0 +154,884 19.18% $13.5M
Feb 25, 2021 Feb 26, 2021 T-Mobile US, Inc. CEO Sell 27.5 -40,000 -5.06% $4.9M
Feb 15, 2021 Feb 17, 2021 T-Mobile US, Inc. CEO Sell 93.8 +24,535 3.21% $7.7M
May 1, 2020 May 5, 2020 T-Mobile US, Inc. CEO Sell 100.0 +143,120 22.86% $8M
Feb 25, 2020 Feb 27, 2020 T-Mobile US, Inc. COO Sell 92.5 +29,627 4.97% $3M
Feb 15, 2020 Feb 19, 2020 T-Mobile US, Inc. COO Sell 100.0 +67,043 12.67% $1.5M
Jun 17, 2019 Jun 19, 2019 T-Mobile US, Inc. COO Sell 42.5 -9,324 -1.73% $704K
Mar 18, 2019 Mar 20, 2019 T-Mobile US, Inc. COO Sell 42.5 -9,518 -1.74% $697.1K
Feb 25, 2019 Feb 27, 2019 T-Mobile US, Inc. COO Sell 100.0 +50,517 10.15% $7.1M
Feb 15, 2019 Feb 20, 2019 T-Mobile US, Inc. COO Sell 97.5 +70,904 16.62% $380.3K