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SIEVERT G MICHAEL
Director at T-Mobile US. Filing since 26 Feb 2015.
CIK 0001182438
Company
Date
Role
Action
Shares
Amount
Of holding
TMUS
T-Mobile US
24 Feb 2026
Director
Sold at will
1,089
$241.59K
0.9%
TMUS
T-Mobile US
23 Feb 2026
Director
Sold at will
13,911
$3.06M
9.9%
TMUS
T-Mobile US
19 Feb 2026
Director
Sold at will
80,000
$17.20M
36.2%
TMUS
T-Mobile US
18 Nov 2025
Director
Sold on a plan
22,500
$4.82M
7.3%
TMUS
T-Mobile US
17 Nov 2025
Director
Sold on a plan
22,500
$4.88M
6.8%
TMUS
T-Mobile US
19 Aug 2025
President and CEO
Sold on a plan
22,500
$5.79M
6.3%
TMUS
T-Mobile US
18 Aug 2025
President and CEO
Sold on a plan
22,500
$5.75M
5.9%
TMUS
T-Mobile US
20 May 2025
President and CEO
Sold at will
22,500
$5.42M
5.6%
TMUS
T-Mobile US
19 May 2025
President and CEO
Sold at will
22,500
$5.50M
5.3%
TMUS
T-Mobile US
26 Feb 2025
President and CEO
Sold at will
22,500
$5.94M
6.1%
TMUS
T-Mobile US
25 Feb 2025
President and CEO
Sold at will
22,500
$6.07M
5.7%
TMUS
T-Mobile US
14 Nov 2024
President and CEO
Sold at will
40,000
$9.57M
11.2%
TMUS
T-Mobile US
12 Nov 2024
President and CEO
Sold on a plan
20,000
$4.76M
5.3%
TMUS
T-Mobile US
11 Nov 2024
President and CEO
Sold on a plan
20,000
$4.75M
5.0%
TMUS
T-Mobile US
13 Aug 2024
President and CEO
Sold on a plan
20,000
$3.90M
4.8%
TMUS
T-Mobile US
12 Aug 2024
President and CEO
Sold on a plan
20,000
$3.89M
4.6%
TMUS
T-Mobile US
14 May 2024
President and CEO
Sold on a plan
20,000
$3.26M
4.4%
TMUS
T-Mobile US
13 May 2024
President and CEO
Sold on a plan
20,000
$3.26M
4.2%
TMUS
T-Mobile US
28 Feb 2024
President and CEO
Sold on a plan
20,000
$3.28M
4.2%
TMUS
T-Mobile US
27 Feb 2024
President and CEO
Sold on a plan
20,000
$3.27M
4.0%
TMUS
T-Mobile US
15 Feb 2024
President and CEO
Sold at will
40,000
$6.44M
7.5%
TMUS
T-Mobile US
17 Nov 2023
President and CEO
Sold at will
96,500
$14.24M
16.5%
TMUS
T-Mobile US
13 Nov 2023
President and CEO
Sold on a plan
20,000
$2.95M
3.3%
TMUS
T-Mobile US
10 Nov 2023
President and CEO
Sold on a plan
20,000
$2.94M
3.2%
TMUS
T-Mobile US
11 Aug 2023
President and CEO
Sold at will
20,000
$2.76M
3.1%
TMUS
T-Mobile US
10 Aug 2023
President and CEO
Sold at will
20,000
$2.77M
3.0%
TMUS
T-Mobile US
12 May 2023
President and CEO
Sold at will
20,000
$2.87M
2.5%
TMUS
T-Mobile US
11 May 2023
President and CEO
Sold at will
20,000
$2.86M
2.4%
TMUS
T-Mobile US
28 Feb 2023
President and CEO
Sold, plan not stated
20,000
$2.86M
3.6%
TMUS
T-Mobile US
27 Feb 2023
President and CEO
Sold, plan not stated
20,000
$2.89M
3.5%
TMUS
T-Mobile US
11 Nov 2022
President and CEO
Sold, plan not stated
20,000
$3.00M
3.4%
TMUS
T-Mobile US
10 Nov 2022
President and CEO
Sold, plan not stated
20,000
$3.04M
3.3%
TMUS
T-Mobile US
11 Aug 2022
President and CEO
Sold, plan not stated
20,000
$2.92M
3.2%
TMUS
T-Mobile US
10 Aug 2022
President and CEO
Sold, plan not stated
20,000
$2.94M
3.1%
TMUS
T-Mobile US
12 May 2022
President and CEO
Sold, plan not stated
20,000
$2.47M
3.0%
TMUS
T-Mobile US
11 May 2022
President and CEO
Sold, plan not stated
20,000
$2.44M
2.9%
TMUS
T-Mobile US
28 Feb 2022
President and CEO
Sold, plan not stated
20,000
$2.43M
2.8%
TMUS
T-Mobile US
25 Feb 2022
President and CEO
Sold, plan not stated
20,000
$2.49M
2.7%
TMUS
T-Mobile US
11 Nov 2021
President and CEO
Sold, plan not stated
20,000
$2.38M
2.3%
TMUS
T-Mobile US
10 Nov 2021
President and CEO
Sold, plan not stated
20,000
$2.39M
2.3%
TMUS
T-Mobile US
11 Aug 2021
President and CEO
Sold, plan not stated
20,000
$2.87M
2.2%
TMUS
T-Mobile US
10 Aug 2021
President and CEO
Sold, plan not stated
20,000
$2.85M
2.2%
TMUS
T-Mobile US
11 May 2021
President and CEO
Sold, plan not stated
20,000
$2.70M
2.1%
TMUS
T-Mobile US
10 May 2021
President and CEO
Sold, plan not stated
20,000
$2.77M
2.1%
TMUS
T-Mobile US
26 Feb 2021
President and CEO
Sold, plan not stated
20,000
$2.38M
2.6%
TMUS
T-Mobile US
25 Feb 2021
President and CEO
Sold, plan not stated
20,000
$2.49M
2.5%
TMUS
T-Mobile US
18 Jun 2019
President & COO
Sold, plan not stated
4,650
$353.81K
0.9%
TMUS
T-Mobile US
17 Jun 2019
President & COO
Sold, plan not stated
4,674
$350.16K
0.9%
TMUS
T-Mobile US
19 Mar 2019
President & COO
Sold, plan not stated
4,752
$346.45K
0.9%
TMUS
T-Mobile US
18 Mar 2019
President & COO
Sold, plan not stated
4,766
$350.69K
0.9%
TMUS
T-Mobile US
15 Jan 2019
President & COO
Sold, plan not stated
5,154
$350.42K
1.2%
TMUS
T-Mobile US
14 Jan 2019
President & COO
Sold, plan not stated
5,074
$344.03K
1.2%
TMUS
T-Mobile US
6 Nov 2018
President & COO
Sold, plan not stated
5,082
$349.64K
1.1%
TMUS
T-Mobile US
5 Nov 2018
President & COO
Sold, plan not stated
5,110
$354.38K
1.1%
TMUS
T-Mobile US
5 Sep 2018
President & COO
Sold, plan not stated
5,322
$349.77K
1.2%
TMUS
T-Mobile US
4 Sep 2018
President & COO
Sold, plan not stated
5,300
$349.06K
1.2%
TMUS
T-Mobile US
3 Jul 2018
President & COO
Sold, plan not stated
2,922
$173.56K
0.6%
TMUS
T-Mobile US
2 Jul 2018
President & COO
Sold, plan not stated
2,929
$173.88K
0.6%
TMUS
T-Mobile US
8 May 2018
Chief Operating Officer
Sold, plan not stated
3,096
$173.64K
0.7%
TMUS
T-Mobile US
7 May 2018
Chief Operating Officer
Sold, plan not stated
3,056
$173.10K
0.7%
TMUS
T-Mobile US
6 Mar 2018
Chief Operating Officer
Sold, plan not stated
5,560
$350.38K
1.2%
TMUS
T-Mobile US
5 Mar 2018
Chief Operating Officer
Sold, plan not stated
5,602
$349.20K
1.2%
TMUS
T-Mobile US
8 Jun 2015
Chief Operating Officer
Sold, plan not stated
2,955
$119.09K
1.8%
TMUS
T-Mobile US
26 Feb 2015
Chief Operating Officer
Sold, plan not stated
8,939
$290.96K
5.1%
64 decisions on file.
