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RENAISSANCE TECHNOLOGIES LLC
> NRGN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2009 | NEUROGEN CORP | NRGN | 1,437,800 | 1,000 | 262,000 | -76,000 | $0.18 |
| 09/30/2009 | NEUROGEN CORP | NRGN | 1,436,800 | 242,000 | 338,000 | 51,000 | $0.24 |
| 06/30/2009 | NEUROGEN CORP | NRGN | 1,194,800 | 574,500 | 287,000 | 144,000 | $0.24 |
| 03/31/2009 | NEUROGEN CORP | NRGN | 620,300 | 169,300 | 143,000 | 78,000 | $0.23 |
| 12/31/2008 | NEUROGEN CORP | NRGN | 451,000 | 451,000 | 65,000 | 65,000 | $0.14 |
| 09/30/2008 | NEUROGEN CORP | NRGN | 303,800 | 60,500 | 73,000 | -178,000 | $0.24 |
| 06/30/2008 | NEUROGEN CORP | NRGN | 243,300 | 42,000 | 251,000 | -123,000 | $1.03 |
| 03/31/2008 | NEUROGEN CORP | NRGN | 201,300 | -22,500 | 374,000 | -398,000 | $1.86 |
| 12/31/2007 | NEUROGEN CORP | NRGN | 223,800 | -123,200 | 772,000 | -769,000 | $3.45 |
| 09/30/2007 | NEUROGEN CORP | NRGN | 347,000 | 1,700 | 1,541,000 | -752,000 | $4.44 |
| 06/30/2007 | NEUROGEN CORP | NRGN | 345,300 | 103,400 | 2,293,000 | 721,000 | $6.64 |
| 03/31/2007 | NEUROGEN CORP | NRGN | 241,900 | 89,500 | 1,572,000 | 665,000 | $6.50 |
| 12/31/2006 | NEUROGEN CORP | NRGN | 152,400 | 152,400 | 907,000 | 907,000 | $5.95 |
| 09/30/2006 | NEUROGEN CORP | NRGN | 105,300 | 19,800 | 710,000 | 272,000 | $6.74 |
| 06/30/2006 | NEUROGEN CORP | NRGN | 85,500 | 65,100 | 438,000 | 312,000 | $5.12 |
| 03/31/2006 | NEUROGEN CORP | NRGN | 20,400 | 20,400 | 126,000 | 126,000 | $6.18 |
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