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 |
|---|---|---|---|---|---|---|---|---|
| ARDT | Lumsdaine Alfred | Chief Financial Officer | 09/25/2026 | Steuer-Abgabe | 10.54 | 3,389 | 35,720 | Form 4 |
| ARDT | Petrovich Stephen C. | EVP, GC and Secretary | 09/25/2026 | Steuer-Abgabe | 10.54 | 788 | 8,306 | Form 4 |
| ARDT | Byers David Raynor | SVP & Chief Accounting Officer | 09/25/2026 | Steuer-Abgabe | 10.54 | 524 | 5,523 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).