| Mar 16, 12 | BONANZA CAPITAL LTD | 10 percent owner | Sale | $0.02 | 486.50K | $9.73K | 3.73M |
| Mar 19, 12 | BONANZA CAPITAL LTD | 10 percent owner | Sale | $0.02 | 600 | $9 | 3.73M |
| Mar 12, 12 | BONANZA CAPITAL LTD | 10 percent owner | Sale | $0.02 | 88.50K | $1.77K | 4.30M |
| Mar 14, 12 | BONANZA CAPITAL LTD | 10 percent owner | Sale | $0.02 | 90.00K | $1.91K | 4.21M |
| Mar 1, 12 | BONANZA CAPITAL LTD | 10 percent owner | Sale | $0.02 | 117.00K | $2.34K | 4.85M |
| Mar 2, 12 | BONANZA CAPITAL LTD | 10 percent owner | Sale | $0.02 | 463.00K | $10.19K | 4.39M |
| Apr 12, 10 | BONANZA CAPITAL LTD | 10 percent owner | Purchase | -- | 1.23M | -- | 4.97M |
| Sep 15, 08 | BONANZA CAPITAL LTD | 10 percent owner | Purchase | $0.00 | 3.00M | $3.00K | 4.25M |
| Apr 12, 10 | BONANZA CAPITAL LTD | 10 percent owner | Sale | $0.00 | 1.25M | $1.25K | 3.00M |
| Sep 15, 08 | BONANZA CAPITAL LTD | 10 percent owner | Purchase | $0.00 | 1.25M | $1.25K | 1.25M |
| Sep 15, 08 | BONANZA CAPITAL LTD | 10 percent owner | Sale | $1.00 | 1.25M | $1.25M | -- |
| Jul 6, 06 | BONANZA CAPITAL LTD | 10 percent owner | Sale | -- | -- | -- | 3.75M |
| Apr 12, 05 | BONANZA CAPITAL LTD | 10 percent owner | Sale | $1.00 | 1.25M | $1.25M | -- |
| May 19, 10 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Sale | $0.02 | 309.84K | $6.20K | 1.85M |
| Mar 30, 10 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $0.00 | 1.85M | $1.85K | 2.16M |
| Mar 30, 10 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Sale | $0.00 | 1.85M | $1.85K | -- |
| Nov 16, 09 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Sale | $0.03 | 738.61K | $22.16K | 309.84K |
| Aug 20, 09 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Sale | $0.06 | 1.57M | $94.32K | 1.05M |
| Jun 19, 09 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Sale | $0.05 | 1.57M | $78.74K | 2.62M |
| Sep 15, 08 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $0.00 | 3.60M | $3.60K | 3.60M |
| Sep 15, 08 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $0.00 | 1.85M | $1.85K | 1.85M |
| Sep 15, 08 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Sale | $1.60 | 1.85M | $2.96M | -- |
| Dec 15, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Sale | $0.15 | 994.60K | $149.19K | 6.05M |
| Jun 29, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.00 | 1.00K | $1.00K | 7.04M |
| Jun 28, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.00 | 1.00K | $1.00K | 7.04M |
| Jun 12, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.40 | 4.30K | $6.02K | 7.02M |
| Jun 8, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.40 | 4.70K | $6.58K | 7.02M |
| Jun 6, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.40 | 6.20K | $8.68K | 7.01M |
| Jun 5, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.40 | 11.70K | $16.38K | 7.01M |
| Jun 2, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.40 | 7.00K | $9.80K | 7.00M |
| May 30, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.40 | 4.70K | $6.58K | 6.99M |
| May 25, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.35 | 11.40K | $15.39K | 6.98M |
| May 24, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.35 | 23.90K | $32.27K | 6.97M |
| May 23, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.36 | 21.00K | $28.60K | 6.95M |
| May 19, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.45 | 11.30K | $16.39K | 6.93M |
| May 18, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.45 | 9.50K | $13.78K | 6.92M |
| May 17, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.45 | 34.30K | $49.73K | 6.91M |
| May 16, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.50 | 23.40K | $35.10K | 6.87M |
| May 15, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.50 | 8.40K | $12.60K | 6.85M |
| May 12, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.50 | 33.20K | $49.96K | 6.84M |
| May 11, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.51 | 28.50K | $43.17K | 6.81M |
| May 10, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.63 | 23.40K | $38.10K | 6.78M |
| May 11, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.51 | 28.50K | $43.17K | 6.80M |
| May 10, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.63 | 23.40K | $38.10K | 6.77M |
| May 9, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.69 | 57.20K | $96.85K | 6.76M |
| May 8, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.70 | 34.50K | $58.65K | 6.70M |
| May 3, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.70 | 1.00K | $1.70K | 6.67M |
| Apr 27, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.75 | 7.50K | $13.13K | 6.66M |
| Apr 17, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.67 | 900 | $1.50K | 6.65M |
| Apr 13, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.65 | 1.00K | $1.65K | 6.65M |
| Apr 12, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.66 | 2.00K | $3.32K | 6.65M |
| Mar 24, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.67 | 172.00K | $287.24K | 6.65M |
| Mar 23, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.62 | 10.00K | $16.18K | 6.48M |
| Mar 22, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.66 | 5.00K | $8.32K | 6.47M |
| Mar 21, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.67 | 1.00K | $1.67K | 6.46M |
| Mar 15, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.67 | 4.84K | $8.06K | 6.46M |
| Feb 17, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.70 | 400 | $680 | 6.46M |
| Feb 16, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.70 | 2.80K | $4.76K | 6.46M |
| Jan 10, 06 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.85 | 29.00K | $53.65K | 6.45M |
| Dec 31, 05 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | -- | 687.99K | -- | 4.57M |
| Dec 31, 05 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.60 | -- | -- | 1.85M |
| Dec 1, 05 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.68 | 1.00K | $1.68K | 5.74M |
| Nov 1, 05 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.50 | 108 | $162 | 5.73M |
| Oct 28, 05 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.65 | 1.00K | $1.65K | 5.73M |
| Oct 21, 05 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.55 | 29.09K | $44.98K | 5.73M |
| Sep 30, 05 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.73 | 4.30K | $7.45K | 5.70M |
| Aug 11, 05 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.60 | 150.00K | $240.00K | 5.70M |
| Apr 13, 05 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Purchase | $1.00 | 3.70M | $3.70M | 5.55M |
| Apr 13, 05 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Sale | $1.00 | 3.70M | $3.70M | 3.70M |
| May 26, 05 | BONANZA CAPITAL LTD | 10 percent owner | Purchase | $1.00 | 2.50M | $2.50M | 2.50M |
| May 26, 05 | BONANZA CAPITAL LTD | 10 percent owner: | Sale | -- | -- | -- | -- |
| Apr 12, 05 | BONANZA CAPITAL LTD | 10 percent owner | Sale | $1.00 | 2.50M | $2.50M | -- |
| Apr 12, 05 | BONANZA CAPITAL LTD | 10 percent owner | Sale | $1.60 | 1.25M | $2.00M | -- |
| Apr 13, 05 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Sale | -- | -- | -- | 1.85M |
| Apr 13, 05 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Sale | $1.00 | 3.70M | $3.70M | -- |
| Apr 13, 05 | MARXE AUSTIN W & GREENHOUSE DAVID M | 10 percent owner | Sale | $1.60 | 1.85M | $2.96M | -- |