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 |
|---|---|---|---|---|---|---|---|---|
| ARQT | Matsuda Masaru | See Remarks | 09/16/2026 | Verkauf | 25.00 | 3,674 | 91,853 | Form 4 |
| ARQT | Welgus Howard G. | Director | 09/15/2026 | Verkauf | 24.18 | 4,730 | 114,371 | Form 4 |
| ARQT | Welgus Howard G. | Director | 09/15/2026 | Optionsausübung | 8.63 | 2,255 | 19,461 | Form 4 |
| ARQT | Welgus Howard G. | Director | 09/15/2026 | Optionsausübung | 7.51 | 1,019 | 7,653 | Form 4 |
| ARQT | Welgus Howard G. | Director | 09/15/2026 | Optionsausübung | 6.52 | 822 | 5,361 | Form 4 |
| ARQT | Matsuda Masaru | See Remarks | 09/08/2026 | Verkauf | 25.03 | 9,989 | 249,986 | Form 4 |
| ARQT | Curran Terrie | Director | 08/27/2026 | Verkauf | 25.03 | 27,052 | 677,095 | Form 4 |
| ARQT | Curran Terrie | Director | 08/27/2026 | Optionsausübung | 8.63 | 27,052 | 233,459 | Form 4 |
| ARQT | Curran Terrie | Director | 08/27/2026 | Verkauf | 25.03 | 11,148 | 279,028 | Form 4 |
| ARQT | Curran Terrie | Director | 08/27/2026 | Optionsausübung | 7.51 | 11,148 | 83,721 | Form 4 |
| ARQT | Curran Terrie | Director | 08/20/2026 | Verkauf | 26.04 | 1,072 | 27,912 | Form 4 |
| ARQT | Curran Terrie | Director | 08/20/2026 | Optionsausübung | 7.51 | 1,072 | 8,051 | Form 4 |
| ARQT | Burnett Patrick | See Remarks | 08/19/2026 | Verkauf | 27.00 | 1,697 | 45,819 | Form 4 |
| ARQT | Welgus Howard G. | Director | 08/17/2026 | Verkauf | 26.18 | 4,730 | 123,835 | Form 4 |
| ARQT | Welgus Howard G. | Director | 08/17/2026 | Optionsausübung | 8.63 | 2,255 | 19,461 | Form 4 |
| ARQT | Welgus Howard G. | Director | 08/17/2026 | Optionsausübung | 7.51 | 1,019 | 7,653 | Form 4 |
| ARQT | Welgus Howard G. | Director | 08/17/2026 | Optionsausübung | 6.52 | 822 | 5,361 | Form 4 |
| ARQT | Burnett Patrick | See Remarks | 08/12/2026 | Verkauf | 26.08 | 6,700 | 174,767 | Form 4 |
| ARQT | Burnett Patrick | See Remarks | 08/12/2026 | Optionsausübung | 3.64 | 6,700 | 24,388 | Form 4 |
| ARQT | Burnett Patrick | See Remarks | 08/11/2026 | Verkauf | 26.52 | 8,300 | 220,129 | Form 4 |
| ARQT | Burnett Patrick | See Remarks | 08/11/2026 | Optionsausübung | 3.64 | 8,300 | 30,212 | Form 4 |
| ARQT | Burnett Patrick | See Remarks | 08/03/2026 | Verkauf | 26.12 | 955 | 24,942 | Form 4 |
| ARQT | Matsuda Masaru | See Remarks | 08/03/2026 | Verkauf | 26.12 | 1,230 | 32,124 | Form 4 |
| ARQT | Watanabe Todd | See Remarks | 08/03/2026 | Verkauf | 26.12 | 4,375 | 114,261 | Form 4 |
| ARQT | Peetz Christopher | Director | 07/15/2026 | Zuteilung | — | 4,315 | — | Form 4 |
| ARQT | Welgus Howard G. | Director | 07/15/2026 | Verkauf | 26.91 | 4,730 | 127,284 | Form 4 |
| ARQT | Welgus Howard G. | Director | 07/15/2026 | Optionsausübung | 8.63 | 2,255 | 19,461 | Form 4 |
| ARQT | Welgus Howard G. | Director | 07/15/2026 | Optionsausübung | 7.51 | 1,019 | 7,653 | Form 4 |
| ARQT | Welgus Howard G. | Director | 07/15/2026 | Optionsausübung | 6.52 | 822 | 5,361 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).