| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| ARCI | CARLSON DUANE | Director | Aug 23 '07 | Option Exercise | 3.12 | 10,514 | 32,814 | 30,000 | Aug 24 12:00 AM |
| ARCI | CARLSON DUANE | Director | Aug 23 '07 | Sale | 7.25 | 10,514 | 76,239 | 4,375 | Aug 24 12:00 AM |
| ARCI | CARLSON DUANE | Director | Aug 20 '07 | Option Exercise | 2.80 | 286 | 801 | 33,014 | Aug 24 12:00 AM |
| ARCI | CARLSON DUANE | Director | Aug 20 '07 | Sale | 6.90 | 286 | 1,973 | 4,375 | Aug 24 12:00 AM |
| ARCI | CARLSON DUANE | Director | Aug 15 '07 | Sale | 7.03 | 4,200 | 29,526 | 4,375 | Aug 20 12:00 AM |
| ARCI | CARLSON DUANE | Director | Aug 15 '07 | Option Exercise | 2.80 | 4,200 | 11,760 | 33,300 | Aug 20 12:00 AM |
| ARCI | CARLSON DUANE | Director | May 31 '07 | Sale | 3.90 | 12,296 | 47,954 | 4,375 | Jun 04 12:00 AM |
| ARCI | CARLSON DUANE | Director | May 30 '07 | Option Exercise | 1.56 | 25,000 | 39,100 | 45,000 | Jun 04 12:00 AM |
| ARCI | CARLSON DUANE | Director | May 30 '07 | Sale | 4.22 | 204 | 861 | 16,671 | Jun 04 12:00 AM |
| ARCI | CARLSON DUANE | Director | May 23 '07 | Option Exercise | 0.92 | 15,000 | 13,800 | 52,500 | May 25 12:00 AM |
| ARCI | CARLSON DUANE | Director | May 23 '07 | Sale | 4.00 | 7,500 | 30,000 | 4,375 | May 25 12:00 AM |
| ARCI | CARLSON DUANE | Director | May 17 '07 | Option Exercise | 2.29 | 15,000 | 34,370 | 60,000 | May 23 12:00 AM |
| ARCI | CARLSON DUANE | Director | May 17 '07 | Sale | 3.52 | 7,500 | 26,400 | 4,375 | May 23 12:00 AM |