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 |
|---|---|---|---|---|---|---|---|---|
| ARTNA | Taylor Dian C | Director | 09/17/2026 | Verkauf | 35.29 | 2,000 | 70,580 | Form 4 |
| ARTNA | Taylor Dian C | Director | 09/16/2026 | Verkauf | 35.05 | 2,000 | 70,100 | Form 4 |
| ARTNA | Emerson Courtney A | Gen Counsel & Secretary | 09/16/2026 | J | 35.07 | 750 | 26,303 | Form 4 |
| ARTNA | Kelly Raymond T. | VP of Information Technology | 09/16/2026 | J | 35.07 | 750 | 26,303 | Form 4 |
| ARTNA | Konstanski Daniel | Vice President of Engineering | 09/16/2026 | J | 35.07 | 750 | 26,303 | Form 4 |
| ARTNA | Anderson Pierre A | Chief Info Officer / Sr VP | 09/16/2026 | J | 35.07 | 750 | 26,303 | Form 4 |
| ARTNA | Spacht David B | CFO | 09/16/2026 | J | 35.07 | 750 | 26,303 | Form 4 |
| ARTNA | Finch Jennifer Leigh | Sr. Vice President & Treasurer | 09/16/2026 | J | 35.07 | 750 | 26,303 | Form 4 |
| ARTNA | Taylor Dian C | Director | 09/03/2026 | Verkauf | 36.11 | 2,000 | 72,220 | Form 4 |
| ARTNA | Taylor Dian C | Director | 09/02/2026 | Verkauf | 36.00 | 1,124 | 40,464 | Form 4 |
| ARTNA | Taylor Dian C | Director | 08/31/2026 | Verkauf | 35.50 | 2,000 | 71,000 | Form 4 |
| ARTNA | Taylor Dian C | Director | 08/28/2026 | Verkauf | 35.50 | 2,000 | 71,000 | Form 4 |
| ARTNA | Taylor Dian C | Director | 08/25/2026 | Verkauf | 35.68 | 2,000 | 71,360 | Form 4 |
| ARTNA | Taylor Dian C | Director | 08/20/2026 | Verkauf | 35.30 | 2,000 | 70,600 | Form 4 |
| ARTNA | Taylor Dian C | Director | 08/18/2026 | Verkauf | 35.00 | 2,000 | 70,002 | Form 4 |
| ARTNA | Taylor Dian C | Director | 08/17/2026 | Verkauf | 35.01 | 2,000 | 70,014 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).