Insiders / Sievert G Michael
Sievert G Michael
CIK 1182438personinsider
Companies
3
First seen
Feb 23, 2026
Last activity
Jun 3, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| T-Mobile US, Inc. · TMUS | 125,696 | — |
| Starbucks Corp · SBUX | 10,878 | — |
| Alaska Air Group, Inc. · ALK | 4,258 | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Alaska Air Group, Inc. | COMMON STOCK | 4,258 |
| Starbucks Corp | Common Stock | 10,878 |
| T-Mobile US, Inc. | Common Stock | 125,696 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 19, 2026 | Sell | TMUS T-Mobile US, Inc. Common Stock | $17.20M | -80K -36.25% | 140,696 0.01% of shares | high |
| Feb 23, 2026 | Sell | TMUS T-Mobile US, Inc. Common Stock | $3.06M | -14K -9.89% | 126,785 0.01% of shares | medium |
| Feb 24, 2026 | Sell | TMUS T-Mobile US, Inc. Common Stock | $241.6K | -1K -0.86% | 125,696 0.01% of shares | medium |
| Jun 1, 2026 | Grant | ALK Alaska Air Group, Inc. COMMON STOCK | $189.6K | +4K | 4,258 <0.01% of shares | low |
| Mar 25, 2026 | Grant | SBUX Starbucks Corp Common Stock | $0 | +4K +50.85% | 10,878 <0.01% of shares | low |