| Date | Insider | Shares | Type | Transaction | Value* |
| 6-Oct-09 | SAMANT VIJAY B Officer | 427 | Direct | Disposition (Non Open Market) at $3.96 per share. | $1,690 |
| 5-Oct-09 | ROLLAND ALAIN P PHD Officer | 128 | Direct | Disposition (Non Open Market) at $4.03 per share. | $515 |
| 5-Oct-09 | SAMANT VIJAY B Officer | 641 | Direct | Disposition (Non Open Market) at $4.03 per share. | $2,583 |
| 4-Oct-09 | ROLLAND ALAIN P PHD Officer | 107 | Direct | Disposition (Non Open Market) at $3.90 per share. | $417 |
| 27-Jul-09 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 551,200 | Indirect | Sale at $3.45 - $3.61 per share. | $1,946,0002 |
| 24-Jul-09 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 250,000 | Indirect | Sale at $3.16 - $3.18 per share. | $793,0002 |
| 6-Jul-09 | SAMANT VIJAY B Officer | 427 | Direct | Disposition (Non Open Market) at $2.49 per share. | $1,063 |
| 5-Jul-09 | ROLLAND ALAIN P PHD Officer | 128 | Direct | Disposition (Non Open Market) at $2.53 per share. | $323 |
| 5-Jul-09 | SAMANT VIJAY B Officer | 640 | Direct | Disposition (Non Open Market) at $2.53 per share. | $1,619 |
| 4-Jul-09 | ROLLAND ALAIN P PHD Officer | 106 | Direct | Disposition (Non Open Market) at $2.53 per share. | $268 |
| 12-Jun-09 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 5,000 | Indirect | Sale at $3 per share. | $15,000 |
| 22-May-09 | MARXE AUSTIN W & GREENHOUSE DAVID M Beneficial Owner (10% or more) | 4,550,965 | Indirect | Statement of Ownership | N/A |
| 21-May-09 | LYONS GARY A Director | 12,500 | Direct | Acquisition (Non Open Market) at $0.01 per share. | $125 |
| 21-May-09 | V-SCIENCES INVESTMENTS PTE LTD Beneficial Owner (10% or more) | 49,500 | Direct | Sale at $2.68 - $2.78 per share. | $135,0002 |
| 21-May-09 | DOUGLAS R GORDON Director | 20,000 | Direct | Acquisition (Non Open Market) at $0.01 per share. | $200 |
| 21-May-09 | MERTON ROBERT C Director | 12,500 | Direct | Acquisition (Non Open Market) at $0.01 per share. | $125 |
| 21-May-09 | CAMPBELL ROBERT H Director | 12,500 | Direct | Acquisition (Non Open Market) at $0.01 per share. | $125 |
| 20-May-09 | V-SCIENCES INVESTMENTS PTE LTD Beneficial Owner (10% or more) | 15,748 | Direct | Sale at $2.25 - $2.39 per share. | $37,0002 |
| 19-May-09 | V-SCIENCES INVESTMENTS PTE LTD Beneficial Owner (10% or more) | 9,698 | Direct | Sale at $2.25 - $2.27 per share. | $22,0002 |
| 18-May-09 | V-SCIENCES INVESTMENTS PTE LTD Beneficial Owner (10% or more) | 35,082 | Direct | Sale at $2.25 - $2.27 per share. | $79,0002 |
| 15-May-09 | V-SCIENCES INVESTMENTS PTE LTD Beneficial Owner (10% or more) | 22,104 | Direct | Sale at $2.25 - $2.3 per share. | $50,0002 |
| 14-May-09 | V-SCIENCES INVESTMENTS PTE LTD Beneficial Owner (10% or more) | 46,500 | Direct | Sale at $2.25 - $2.27 per share. | $105,0002 |
| 12-May-09 | V-SCIENCES INVESTMENTS PTE LTD Beneficial Owner (10% or more) | 39,453 | Direct | Sale at $2.28 per share. | $89,952 |
| 11-May-09 | V-SCIENCES INVESTMENTS PTE LTD Beneficial Owner (10% or more) | 69,300 | Direct | Sale at $2.29 per share. | $158,697 |
| 8-May-09 | V-SCIENCES INVESTMENTS PTE LTD Beneficial Owner (10% or more) | 129,600 | Direct | Sale at $2.38 per share. | $308,448 |
| 7-May-09 | V-SCIENCES INVESTMENTS PTE LTD Beneficial Owner (10% or more) | 205,260 | Direct | Sale at $2.36 per share. | $484,413 |
| 29-Apr-09 | V-SCIENCES INVESTMENTS PTE LTD Beneficial Owner (10% or more) | 122,410 | Direct | Sale at $2.28 per share. | $279,094 |
| 28-Apr-09 | V-SCIENCES INVESTMENTS PTE LTD Beneficial Owner (10% or more) | 200,000 | Direct | Sale at $2.53 per share. | $506,000 |
| 6-Apr-09 | ROLLAND ALAIN P PHD Officer | 128 | Direct | Disposition (Non Open Market) at $2.12 per share. | $271 |
| 6-Apr-09 | SAMANT VIJAY B Officer | 426 | Direct | Disposition (Non Open Market) at $2.20 per share. | $937 |
| 5-Apr-09 | SAMANT VIJAY B Officer | 640 | Direct | Disposition (Non Open Market) at $2.12 per share. | $1,356 |
| 4-Apr-09 | ROLLAND ALAIN P PHD Officer | 106 | Direct | Disposition (Non Open Market) at $2.12 per share. | $224 |
| 22-Feb-09 | ROLLAND ALAIN P PHD Officer | 1,020 | Direct | Disposition (Non Open Market) at $1.73 per share. | $1,764 |
| 9-Jan-09 | CHURCH JILL MARIE Officer | 35,000 | Direct | Purchase at $0.01 per share. | $350 |
| 9-Jan-09 | ROLLAND ALAIN P PHD Officer | 35,000 | Direct | Purchase at $0.01 per share. | $350 |
| 9-Jan-09 | SAMANT VIJAY B Officer | 80,000 | Direct | Purchase at $0.01 per share. | $800 |
| 6-Jan-09 | ROLLAND ALAIN P PHD Officer | 356 | Direct | Disposition (Non Open Market) at $1.41 per share. | $501 |
| 6-Jan-09 | SAMANT VIJAY B Officer | 425 | Direct | Disposition (Non Open Market) at $141 per share. | $59,925 |
| 5-Jan-09 | ROLLAND ALAIN P PHD Officer | 127 | Direct | Disposition (Non Open Market) at $1.35 per share. | $171 |
| 5-Jan-09 | SAMANT VIJAY B Officer | 638 | Direct | Disposition (Non Open Market) at $1.35 per share. | $861 |
| 4-Jan-09 | ROLLAND ALAIN P PHD Officer | 425 | Direct | Disposition (Non Open Market) at $1.41 per share. | $599 |
| 6-Oct-08 | SAMANT VIJAY B Officer | 426 | Direct | Disposition (Non Open Market) at $1.59 per share. | $677 |
| 5-Oct-08 | ROLLAND ALAIN P PHD Officer | 127 | Direct | Disposition (Non Open Market) at $1.80 per share. | $228 |
| 5-Oct-08 | SAMANT VIJAY B Officer | 639 | Direct | Disposition (Non Open Market) at $1.59 per share. | $1,016 |
| 6-Jul-08 | SAMANT VIJAY B Officer | 427 | Direct | Disposition (Non Open Market) at $3.55 per share. | $1,515 |
| 5-Jul-08 | ROLLAND ALAIN P PHD Officer | 128 | Direct | Disposition (Non Open Market) at $3.55 per share. | $454 |
| 5-Jul-08 | SAMANT VIJAY B Officer | 641 | Direct | Disposition (Non Open Market) at $3.55 per share. | $2,275 |
| 6-Apr-08 | SAMANT VIJAY B Officer | 427 | Direct | Disposition (Non Open Market) at $3.77 per share. | $1,609 |
| 5-Apr-08 | ROLLAND ALAIN P PHD Officer | 128 | Direct | Disposition (Non Open Market) at $3.77 per share. | $482 |
| 5-Apr-08 | SAMANT VIJAY B Officer | 641 | Direct | Disposition (Non Open Market) at $3.77 per share. | $2,416 |
| 22-Feb-08 | ROLLAND ALAIN P PHD Officer | 1,024 | Direct | Disposition (Non Open Market) at $3.42 per share. | $3,502 |
| 6-Jan-08 | ROLLAND ALAIN P PHD Officer | 358 | Direct | Disposition (Non Open Market) at $4.27 per share. | $1,528 |
| 6-Jan-08 | SAMANT VIJAY B Officer | 427 | Direct | Disposition (Non Open Market) at $4.27 per share. | $1,823 |
| 5-Jan-08 | ROLLAND ALAIN P PHD Officer | 513 | Direct | Disposition (Non Open Market) at $4.27 per share. | $2,190 |
| 5-Jan-08 | SAMANT VIJAY B Officer | 2,566 | Direct | Disposition (Non Open Market) at $4.27 per share. | $10,956 |
| 4-Jan-08 | CHURCH JILL MARIE Officer | 7,000 | Direct | Purchase at $0.01 per share. | $70 |
| 4-Jan-08 | ROLLAND ALAIN P PHD Officer | 5,000 | Direct | Purchase at $0.01 per share. | $50 |
| 4-Jan-08 | SAMANT VIJAY B Officer | 25,000 | Direct | Purchase at $0.01 per share. | $250 |
| 1-Jan-08 | SAMANT VIJAY B Officer | 4,276 | Direct | Disposition (Non Open Market) at $4.25 per share. | $18,173 |