InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (23 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
23
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the full record of transactions filed by Sievert G Michael, Chairman & CEO. Director active across 3 companies, notably T-Mobile US, Inc.. Aggregated, 43 reports have been published. Split: 0 buy · 23 sells. Total volume traded: €101.1m. Activity tracked since 29 April 2021. The latest transaction was disclosed on 1 June 2026 (Attribution). Regulator: SEC (Form 4). The full history is openly available.
Companies and markets linked to Sievert G Michael
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations43 total
4,258 shares@ US$44.520.0040% mcap100.0% of flowCOMMON STOCKSEC:0001182438-26-000004:0
3,667 shares0Common StockSEC:0000829224-26-000054:0
13,911 shares@ US$220.072.3% of flowCommon StockSEC:0001283699-26-000040:0
80,000 shares@ US$214.9413.1% of flowCommon StockSEC:0001283699-26-000036:0
65,500 shares0Common StockSEC:0001283699-25-000170:0
22,500 shares@ US$216.974.5% of flowCommon StockSEC:0001283699-25-000168:0
44,140.077 shares@ US$207.008.8% of flowCommon StockSEC:0001283699-25-000164:0
22,500 shares@ US$255.586.0% of flowCommon StockSEC:0001283699-25-000128:0
22,500 shares@ US$244.405.9% of flowCommon StockSEC:0001283699-25-000089:0
127,631 shares0Common StockSEC:0001283699-25-000066:0
3,141 shares0Common StockSEC:0001127602-25-009524:0
22,500 shares@ US$269.676.9% of flowCommon StockSEC:0001283699-25-000047:0
48,441 shares0Common StockSEC:0001283699-25-000027:0
40,000 shares@ US$239.2210.8% of flowCommon StockSEC:0001283699-24-000155:0
20,000 shares@ US$237.735.3% of flowCommon StockSEC:0001283699-24-000153:0
20,000 shares@ US$194.574.3% of flowCommon StockSEC:0001283699-24-000118:0
20,000 shares@ US$163.203.6% of flowCommon StockSEC:0001283699-24-000070:0
3,383 shares0Common StockSEC:0001127602-24-010332:0
7,521 shares@ US$163.341.4% of flowCommon StockSEC:0001283699-24-000044:0
20,000 shares@ US$163.713.6% of flowCommon StockSEC:0001283699-24-000036:0
64,093 shares0Common StockSEC:0001283699-24-000030:0
687 shares0Common StockSEC:0001127602-24-001635:0
96,500 shares@ US$147.5515.7% of flowCommon StockSEC:0001283699-23-000161:0
20,000 shares@ US$146.903.3% of flowCommon StockSEC:0001283699-23-000159:0
20,000 shares@ US$138.343.0% of flowCommon StockSEC:0001283699-23-000138:0
25 of 43 declarations
About Sievert G Michael
SIEVERT G MICHAEL is Président-Directeur Général. He has filed 43 forms in total, and across the 43 sampled filings between 2016-01-05 and 2026-06-03, the activity is mainly sales, for a total selling amount of EUR 101055546. The recent filings concern T-Mobile US, Inc., including amounts of EUR 14585999.39445021 on 2026-02-23, EUR 13118568.4716541 on 2023-11-21, and EUR 9057825.779822 on 2024-11-18.
