Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| MTN | Rock William | President, Mountain Division | 09/30/2026 | Steuer-Abgabe | 137.18 | 417 | 57,204 | Form 4 |
| MTN | Rock William | President, Mountain Division | 09/30/2026 | Optionsausübung | — | 1,449 | — | Form 4 |
| MTN | Chambers Reginald | Director | 09/30/2026 | Optionsausübung | — | 1,563 | — | Form 4 |
| MTN | Sullivan Gregory Jon | EVP, Retail & Hospitality | 09/30/2026 | Steuer-Abgabe | 137.18 | 386 | 52,951 | Form 4 |
| MTN | Sullivan Gregory Jon | EVP, Retail & Hospitality | 09/30/2026 | Optionsausübung | — | 880 | — | Form 4 |
| MTN | Katz Robert A | CEO & Chairperson of the Board | 09/30/2026 | Steuer-Abgabe | 137.18 | 1,649 | 226,210 | Form 4 |
| MTN | Katz Robert A | CEO & Chairperson of the Board | 09/30/2026 | Optionsausübung | — | 3,768 | — | Form 4 |
| MTN | DeCecco Julie A. | GC & Chief Public Affairs Ofc | 09/30/2026 | Steuer-Abgabe | 137.18 | 372 | 51,031 | Form 4 |
| MTN | DeCecco Julie A. | GC & Chief Public Affairs Ofc | 09/30/2026 | Optionsausübung | — | 1,292 | — | Form 4 |
| MTN | Romanow Michele | Director | 09/30/2026 | Steuer-Abgabe | 137.18 | 77 | 10,563 | Form 4 |
| MTN | Romanow Michele | Director | 09/30/2026 | Optionsausübung | — | 1,563 | — | Form 4 |
| MTN | Sewell D Bruce | Director | 09/30/2026 | Optionsausübung | — | 1,563 | — | Form 4 |
| MTN | Vaughn Peter A | Director | 09/30/2026 | Optionsausübung | — | 1,563 | — | Form 4 |
| MTN | Kunkel Lynanne | Chief HR & Trnsfrm Ofc | 09/30/2026 | Steuer-Abgabe | 137.18 | 486 | 66,669 | Form 4 |
| MTN | Kunkel Lynanne | Chief HR & Trnsfrm Ofc | 09/30/2026 | Optionsausübung | — | 1,689 | — | Form 4 |
| MTN | Korch Angela A | EVP & Chief Financial Officer | 09/30/2026 | Steuer-Abgabe | 137.18 | 856 | 117,426 | Form 4 |
| MTN | Korch Angela A | EVP & Chief Financial Officer | 09/30/2026 | Optionsausübung | — | 1,955 | — | Form 4 |
| MTN | Gronberg Nathan Mark | VP, Controller & CAO | 09/30/2026 | Steuer-Abgabe | 137.18 | 329 | 45,132 | Form 4 |
| MTN | Gronberg Nathan Mark | VP, Controller & CAO | 09/30/2026 | Optionsausübung | — | 749 | — | Form 4 |
| MTN | Knobloch Iris | Director | 09/30/2026 | Steuer-Abgabe | 137.18 | 88 | 12,072 | Form 4 |
| MTN | Knobloch Iris | Director | 09/30/2026 | Optionsausübung | — | 1,563 | — | Form 4 |
| MTN | Decker Susan L | Director | 09/30/2026 | Optionsausübung | — | 1,563 | — | Form 4 |
| MTN | Rawlinson Nadia Nicole | Director | 09/30/2026 | Optionsausübung | — | 1,563 | — | Form 4 |
| MTN | Schneider Hilary | Director | 09/30/2026 | Optionsausübung | — | 1,563 | — | Form 4 |
| MTN | Rock William | President, Mountain Division | 09/29/2026 | Steuer-Abgabe | 141.29 | 243 | 34,333 | Form 4 |
| MTN | Rock William | President, Mountain Division | 09/29/2026 | Optionsausübung | — | 839 | — | Form 4 |
| MTN | Sullivan Gregory Jon | EVP, Retail & Hospitality | 09/29/2026 | Steuer-Abgabe | 141.29 | 163 | 23,030 | Form 4 |
| MTN | Sullivan Gregory Jon | EVP, Retail & Hospitality | 09/29/2026 | Optionsausübung | — | 368 | — | Form 4 |
| MTN | Katz Robert A | CEO & Chairperson of the Board | 09/29/2026 | Steuer-Abgabe | 141.29 | 391 | 55,244 | Form 4 |
| MTN | Katz Robert A | CEO & Chairperson of the Board | 09/29/2026 | Optionsausübung | — | 890 | — | Form 4 |
| MTN | DeCecco Julie A. | GC & Chief Public Affairs Ofc | 09/29/2026 | Steuer-Abgabe | 141.29 | 118 | 16,672 | Form 4 |
| MTN | DeCecco Julie A. | GC & Chief Public Affairs Ofc | 09/29/2026 | Optionsausübung | — | 403 | — | Form 4 |
| MTN | Kunkel Lynanne | Chief HR & Trnsfrm Ofc | 09/29/2026 | Steuer-Abgabe | 141.29 | 295 | 41,681 | Form 4 |
| MTN | Kunkel Lynanne | Chief HR & Trnsfrm Ofc | 09/29/2026 | Optionsausübung | — | 1,023 | — | Form 4 |
| MTN | Korch Angela A | EVP & Chief Financial Officer | 09/29/2026 | Steuer-Abgabe | 141.29 | 524 | 74,036 | Form 4 |
| MTN | Korch Angela A | EVP & Chief Financial Officer | 09/29/2026 | Optionsausübung | — | 1,196 | — | Form 4 |
| MTN | Gronberg Nathan Mark | VP, Controller & CAO | 09/29/2026 | Steuer-Abgabe | 141.29 | 99 | 13,988 | Form 4 |
| MTN | Gronberg Nathan Mark | VP, Controller & CAO | 09/29/2026 | Optionsausübung | — | 222 | — | Form 4 |
| MTN | DeCecco Julie A. | GC & Chief Public Affairs Ofc | 09/27/2026 | Steuer-Abgabe | 136.11 | 172 | 23,411 | Form 4 |
| MTN | DeCecco Julie A. | GC & Chief Public Affairs Ofc | 09/27/2026 | Optionsausübung | — | 586 | — | Form 4 |
| MTN | Gronberg Nathan Mark | VP, Controller & CAO | 09/27/2026 | Steuer-Abgabe | 136.11 | 153 | 20,825 | Form 4 |
| MTN | Gronberg Nathan Mark | VP, Controller & CAO | 09/27/2026 | Optionsausübung | — | 344 | — | Form 4 |
| MTN | Katz Robert A | CEO & Chairperson of the Board | 09/27/2026 | Steuer-Abgabe | 136.11 | 336 | 45,733 | Form 4 |
| MTN | Katz Robert A | CEO & Chairperson of the Board | 09/27/2026 | Optionsausübung | — | 1,148 | — | Form 4 |
| MTN | Korch Angela A | EVP & Chief Financial Officer | 09/27/2026 | Steuer-Abgabe | 136.11 | 682 | 92,827 | Form 4 |
| MTN | Korch Angela A | EVP & Chief Financial Officer | 09/27/2026 | Optionsausübung | — | 1,544 | — | Form 4 |
| MTN | Kunkel Lynanne | Chief HR & Trnsfrm Ofc | 09/27/2026 | Steuer-Abgabe | 136.11 | 390 | 53,083 | Form 4 |
| MTN | Kunkel Lynanne | Chief HR & Trnsfrm Ofc | 09/27/2026 | Optionsausübung | — | 1,334 | — | Form 4 |
| MTN | Sullivan Gregory Jon | EVP, Retail & Hospitality | 09/27/2026 | Steuer-Abgabe | 136.11 | 308 | 41,922 | Form 4 |
| MTN | Sullivan Gregory Jon | EVP, Retail & Hospitality | 09/27/2026 | Optionsausübung | — | 695 | — | Form 4 |
| MTN | Rock William | President, Mountain Division | 09/27/2026 | Steuer-Abgabe | 136.11 | 334 | 45,461 | Form 4 |
| MTN | Rock William | President, Mountain Division | 09/27/2026 | Optionsausübung | — | 1,144 | — | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).