Gronberg Nathan Mark
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Gronberg Nathan Mark. 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 |
|---|---|---|---|---|---|---|
| MTN | VP, Controller & CAO | Option Exercise | 222 | — | — | Sep 29, 2025 |
| MTN | VP, Controller & CAO | Tax Withholding | 99 | $147.74 | $14,626 | Sep 27, 2025 |
| MTN | VP, Controller & CAO | Option Exercise | 222 | — | — | Sep 29, 2024 |
| MTN | VP, Controller & CAO | Option Exercise | 123 | — | — | Sep 24, 2024 |
| MTN | VP, Controller & CAO | Tax Withholding | 26 | $221.89 | $5,769 | Sep 29, 2023 |
| MTN | VP, Controller & CAO | Option Exercise | 122 | — | — | Sep 24, 2023 |
| MTN | VP, Controller & CAO | Tax Withholding | 26 | $213.55 | $5,552 | Sep 29, 2022 |
| MTN | VP, Controller & CAO | Tax Withholding | 25 | $208.17 | $5,204 | Sep 24, 2022 |
| MTN | VP, Controller & CAO | Option Exercise | 68 | — | — | Feb 1, 2022 |
| MTN | VP, Controller & CAO | Tax Withholding | 26 | $342.59 | $8,907 | Sep 29, 2021 |
| MTN | VP, Controller & CAO | Tax Withholding | 25 | $351.85 | $8,796 | Sep 25, 2021 |
| MTN | VP, Controller & CAO | Option Exercise | 68 | — | — | Feb 1, 2021 |