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 |
|---|---|---|---|---|---|---|---|---|
| GHC | Wagoner G Richard Jr | Director | 10/01/2026 | Zuteilung | 1,139.10 | 21 | 23,921 | Form 4 |
| GHC | Mulcahy Anne M | Director | 10/01/2026 | Zuteilung | 1,139.10 | 21 | 23,921 | Form 4 |
| GHC | Markell Jack A. | Director | 10/01/2026 | Zuteilung | 1,139.10 | 7 | 7,974 | Form 4 |
| GHC | Davis Christopher C | Director | 10/01/2026 | Zuteilung | 1,139.10 | 24 | 27,338 | Form 4 |
| GHC | Conley Danielle Y. | Director | 10/01/2026 | Zuteilung | 1,139.10 | 19 | 21,643 | Form 4 |
| GHC | Maas, Jacob | Executive VP | 08/28/2026 | Steuer-Abgabe | 1,159.23 | 501 | 580,774 | Form 4 |
| GHC | Maas, Jacob | Executive VP | 08/28/2026 | Zuteilung | — | 1,000 | — | Form 4 |
| GHC | O'Shaughnessy Timothy J | President and CEO | 08/13/2026 | J | — | 4,211 | — | Form 4 |
| GHC | O'Shaughnessy Laura | 10% Owner | 08/13/2026 | J | — | 4,211 | — | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).