SIEVERT G MICHAEL
SEC Form 4 insider trading activity
SIEVERT G MICHAEL has filed 7 SEC Form 4 filings (12 transaction rows) across 3 companies, including ALK, SBUX, TMUS, with disclosures dating back to 2025. 7 of those filings fall inside the rolling window. Most recent filing: Jun 3, 2026.
On the most recent filing, SIEVERT G MICHAEL is listed as Director at T-Mobile US, Inc. Inside the rolling window, SIEVERT G MICHAEL reported no open-market purchases and 5 open-market sales totaling $30.2M in TMUS. The largest disclosed transaction in the window is a sale of 80,000 TMUS shares on Feb 19, 2026, worth $17.2M.
Companies traded
Other insiders at ALK
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$30.2M
reported sales (SEC code S)
Companies
3
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has SIEVERT G MICHAEL made?
SIEVERT G MICHAEL has filed 7 SEC Form 4 filings (12 transaction rows) across 3 companies, including ALK, SBUX, TMUS since 2025.
Which companies does SIEVERT G MICHAEL trade?
SIEVERT G MICHAEL has filed SEC Form 4 disclosures for 3 companies, including ALK, SBUX, TMUS.
When was SIEVERT G MICHAEL's most recent SEC Form 4 filing?
SIEVERT G MICHAEL's most recent SEC Form 4 filing on Tracefour is dated Jun 3, 2026.
What is SIEVERT G MICHAEL's total buy and sell value in the current window?
Inside the rolling retention window, SIEVERT G MICHAEL bought $0 and sold $30.2M based on SEC Form 4 filings.
What was SIEVERT G MICHAEL's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 80,000 TMUS shares on 2026-02-19, worth $17.2M, per SEC Form 4 filings.