Insiders who reported open-market trades in the last 12 months at the companies G. Michael Sievert files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
DEUTSCHE TELEKOM AG - $122.31M in TMUS purchases and sales in the last 12 months
Raul Marcelo Claure - $119.66M in TMUS purchases and sales in the last 12 months
Peter Osvaldik - $5.80M in TMUS purchases and sales in the last 12 months
Mark Wolfe Nelson - $4.16M in TMUS purchases and sales in the last 12 months
Srini Gopalan - $1.98M in TMUS purchases and sales in the last 12 months
Shane R. Tackett - $1.92M in ALK purchases and sales in the last 12 months
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G. Michael Sievert is a corporate insider, tracked as Director of ALASKA AIR GROUP, INC. (ALK). InsiderAlpha holds 12 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did G. Michael Sievert last file a Form 4?
The most recent primary Form 4 on record is dated 3 June 2026, one of 12 filings going back to 2024.
Has G. Michael Sievert been buying or selling stock?
Recorded transactions: 0 open-market purchases and 12 open-market sales ($71.74M) across all tracked filings.
G. Michael Sievert is Director of ALASKA AIR GROUP, INC. (ALK). 12 SEC Form 4 filings on record going back to 2024, most recently on 3 June 2026. Most recent open-market trade: sold $242K of TMUS on 25 February 2026. Lifetime open-market sales: $71.74M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by G. Michael Sievert.
InsiderAlpha's records for G. Michael Sievert go back to 2024: 12 primary Form 4 filings, an average of 4.0 per year. 4 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
