SIEVERT G MICHAEL
Director · Officer · ALK, SBUX, TMUS
As of 2026-09-16, SIEVERT G MICHAEL has 25 Form 4 transactions on record across 3 companies — 12 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in February in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-02-24 | TMUS | Sale | 1,089 @ $221.85 | $242K | −0.9% of holding | 125,696 | Form 4 |
| 2026-02-23 | TMUS | Sale | 13,911 @ $220.07 | $3.1M | −9.9% of holding | 126,785 | Form 4 |
| 2026-02-19 | TMUS | Sale | 80,000 @ $214.94 | $17.2M | −36.2% of holding | 140,696 | Form 4 |
| 2025-11-18 | TMUS | Sale | 22,500 @ $214.25 | $4.8M | −7.3% of holding | 286,196 | Form 4 |
| 2025-11-17 | TMUS | Sale | 22,500 @ $216.97 | $4.9M | −6.8% of holding | 308,696 | Form 4 |
| 2025-08-19 | TMUS | Sale | 22,500 @ $257.17 | $5.8M | −6.3% of holding | 336,222 | Form 4 |
| 2025-08-18 | TMUS | Sale | 22,500 @ $255.58 | $5.8M | −5.9% of holding | 358,722 | Form 4 |
| 2025-05-20 | TMUS | Sale | 22,500 @ $240.99 | $5.4M | −5.6% of holding | 381,222 | Form 4 |
| 2025-05-19 | TMUS | Sale | 22,500 @ $244.40 | $5.5M | −5.3% of holding | 403,722 | Form 4 |
| 2025-02-26 | TMUS | Sale | 22,500 @ $263.98 | $5.9M | −6.1% of holding | 348,813 | Form 4 |
| 2025-02-25 | TMUS | Sale | 22,500 @ $269.67 | $6.1M | −5.7% of holding | 371,313 | Form 4 |
14 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-06-01 | ALK | Award / grant | 4,258 | 4,258 | Form 4 |
| 2026-03-25 | SBUX | Award / grant | 3,667 | 10,878 | Form 4 |
| 2025-12-03 | TMUS | Gift | 65,500 | 220,696 | Form 4 |
| 2025-11-10 | TMUS | Gift | 43,318 | 331,196 | Form 4 |
| 2025-11-09 | TMUS | Withheld for tax | 53,483 | 374,514 | Form 4 |
| 2025-11-09 | TMUS | Withheld for tax | 44,140 | 292,081 | Form 4 |
| 2025-11-09 | TMUS | Award / grant | 135,915 | 427,996 | Form 4 |
| 2025-04-01 | TMUS | Withheld for tax | 50,223 | 426,222 | Form 4 |
| 2025-04-01 | TMUS | Award / grant | 127,631 | 476,444 | Form 4 |
| 2025-03-12 | SBUX | Award / grant | 3,141 | 7,211 | Form 4 |
| 2025-02-15 | TMUS | Withheld for tax | 34,744 | 393,813 | Form 4 |
| 2025-02-15 | TMUS | Withheld for tax | 26,302 | 340,263 | Form 4 |
| 2025-02-15 | TMUS | Award / grant | 88,294 | 428,557 | Form 4 |
| 2025-02-15 | TMUS | Award / grant | 48,441 | 366,565 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.