Vachris Roland Michael
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Vachris Roland Michael. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| COST | President and CEO | Tax Withholding | 1,493 | $944.68 | $1,410,454 | Oct 22, 2025 |
| COST | President and CEO | Sale | 3,600 | $931.00 | $3,351,600 | Mar 11, 2025 |
| COST | President and CEO | Award / Grant | 19,148 | — | — | Oct 22, 2024 |
| COST | President and COO | Tax Withholding | 5,491 | $556.36 | $3,054,884 | Sep 15, 2023 |
| COST | President and COO | Sale | 4,100 | $476.29 | $1,952,789 | Mar 6, 2023 |
| COST | President | Award / Grant | 12,042 | — | — | Sep 12, 2022 |
| COST | Executive VP | Sale | 3,318 | $492.45 | $1,633,949 | Jan 27, 2022 |
| COST | Executive VP | Award / Grant | 9,926 | — | — | Sep 14, 2021 |
| COST | Executive VP | Sale | 4,000 | $409.40 | $1,637,600 | Jul 12, 2021 |
| COST | Executive VP | Sale | 4,300 | $334.30 | $1,437,490 | Mar 22, 2021 |
| COST | Executive VP | Tax Withholding | 4,222 | $342.92 | $1,447,808 | Sep 14, 2020 |
| COST | Executive VP | Sale | 4,000 | $300.95 | $1,203,800 | Jun 19, 2020 |
| COST | Executive VP | Sale | 6,000 | $295.22 | $1,771,320 | Dec 17, 2019 |
| COST | Executive VP | Award / Grant | 13,510 | — | — | Sep 18, 2019 |
| COST | Executive VP | Sale | 3,700 | $267.25 | $988,825 | Jun 24, 2019 |
| COST | Executive VP | Tax Withholding | 762 | $229.06 | $174,544 | Oct 22, 2018 |
| COST | Executive VP | Sale | 6,600 | $225.88 | $1,490,808 | Oct 15, 2018 |
| COST | Executive VP | Award / Grant | 12,454 | — | — | Oct 2, 2018 |
| COST | Executive VP | Award / Grant | 18,680 | — | — | Oct 2, 2018 |
| COST | Executive VP | Sale | 5,200 | $187.98 | $977,496 | Jan 8, 2018 |
| COST | Executive VP | Tax Withholding | 320 | $160.77 | $51,446 | Oct 22, 2017 |
| COST | Executive VP | Tax Withholding | 4,769 | $165.89 | $791,129 | Oct 2, 2017 |
| COST | Executive VP | Award / Grant | 626 | $165.89 | $103,847 | Oct 2, 2017 |
| COST | Executive VP | Award / Grant | 226 | $173.01 | $39,100 | May 24, 2017 |
| COST | Executive VP | Award / Grant | 852 | $173.01 | $147,405 | May 24, 2017 |
| COST | Executive VP | Sale | 3,180 | $161.73 | $514,301 | Jan 11, 2017 |
| COST | Executive VP | Tax Withholding | 256 | $148.97 | $38,136 | Oct 22, 2016 |