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WELLINGTON MANAGEMENT GROUP LLP
> NRGN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 09/30/2009 | NEUROGEN CORP | NRGN | 2,231,500 | -377,500 | 524,000 | -102,000 | $0.23 |
| 06/30/2009 | NEUROGEN CORP | NRGN | 2,609,000 | -21,500 | 626,000 | 21,000 | $0.24 |
| 03/31/2009 | NEUROGEN CORP | NRGN | 2,630,500 | -24,700 | 605,000 | 223,000 | $0.23 |
| 12/31/2008 | NEUROGEN CORP | NRGN | 2,655,200 | -1,079,800 | 382,000 | -514,000 | $0.14 |
| 09/30/2008 | NEUROGEN CORP | NRGN | 3,735,000 | 25,987 | 896,000 | -2,925,000 | $0.24 |
| 06/30/2008 | NEUROGEN CORP | NRGN | 3,709,013 | 179,670 | 3,821,000 | -2,743,000 | $1.03 |
| 03/31/2008 | NEUROGEN CORP | NRGN | 3,529,343 | 3,529,343 | 6,564,000 | 6,564,000 | $1.86 |
| 12/31/2007 | NEUROGEN CORP | NRGN | 3,184,318 | 3,184,318 | 10,986,000 | 10,986,000 | $3.45 |
| 09/30/2007 | NEUROGEN CORP | NRGN | 3,091,000 | 3,091,000 | 13,724,000 | 13,724,000 | $4.44 |
| 06/30/2007 | NEUROGEN CORP | NRGN | 3,182,500 | 3,182,500 | 21,132,000 | 21,132,000 | $6.64 |
| 03/31/2007 | NEUROGEN CORP | NRGN | 2,910,679 | 2,910,679 | 18,920,000 | 18,920,000 | $6.50 |
| 12/31/2006 | NEUROGEN CORP | NRGN | 1,708,780 | 1,708,780 | 10,167,000 | 10,167,000 | $5.95 |
| 09/30/2006 | NEUROGEN CORP | NRGN | 1,193,280 | 1,193,280 | 8,043,000 | 8,043,000 | $6.74 |
| 06/30/2006 | NEUROGEN CORP | NRGN | 1,186,580 | 1,186,580 | 6,075,000 | 6,075,000 | $5.12 |
| 03/31/2006 | NEUROGEN CORP | NRGN | 1,269,100 | 1,269,100 | 7,856,000 | 7,856,000 | $6.19 |
| 12/31/2005 | NEUROGEN CORP | NRGN | 1,277,400 | 1,277,400 | 8,418,000 | 8,418,000 | $6.59 |
| 09/30/2005 | NEUROGEN CORP | NRGN | 1,087,900 | 1,087,900 | 7,486,000 | 7,486,000 | $6.88 |
| 06/30/2005 | NEUROGEN CORP | NRGN | 1,104,700 | 1,104,700 | 7,534,000 | 7,534,000 | $6.82 |
| 03/31/2005 | NEUROGEN CORP | NRGN | 1,043,200 | 1,043,200 | 7,385,000 | 7,385,000 | $7.08 |
| 12/31/2004 | NEUROGEN CORP | NRGN | 1,110,530 | 1,110,530 | 10,394,000 | 10,394,000 | $9.36 |
| 09/30/2004 | NEUROGEN CORP | NRGN | 1,111,600 | 1,111,600 | 7,183,000 | 7,183,000 | $6.46 |
| 06/30/2004 | NEUROGEN CORP | NRGN | 1,108,800 | 1,108,800 | 8,294,000 | 8,294,000 | $7.48 |
| 03/31/2004 | NEUROGEN CORP | NRGN | 1,126,900 | 1,126,900 | 9,534,000 | 9,534,000 | $8.46 |
| 12/31/2003 | NEUROGEN CORP | NRGN | 1,123,300 | 1,123,300 | 9,447,000 | 9,447,000 | $8.41 |
| 09/30/2003 | NEUROGEN CORP | NRGN | 1,220,400 | 1,220,400 | 7,140,000 | 7,140,000 | $5.85 |
| 06/30/2003 | NEUROGEN CORP | NRGN | 1,988,536 | 1,988,536 | 9,047,000 | 9,047,000 | $4.55 |
| 03/31/2003 | NEUROGEN CORP | NRGN | 1,988,536 | 1,988,536 | 7,251,000 | 7,251,000 | $3.65 |
| 12/31/2002 | NEUROGEN CORP | NRGN | 1,980,536 | 1,980,536 | 7,203,000 | 7,203,000 | $3.64 |
| 09/30/2002 | NEUROGEN CORP | NRGN | 1,990,836 | 1,990,836 | 15,998,000 | 15,998,000 | $8.04 |
| 06/30/2002 | NEUROGEN CORP | NRGN | 2,122,536 | 2,122,536 | 24,754,000 | 24,754,000 | $11.66 |
| 03/31/2002 | NEUROGEN CORP | NRGN | 2,099,736 | 2,099,736 | 26,827,000 | 26,827,000 | $12.78 |
| 12/31/2001 | NEUROGEN CORP | NRGN | 1,817,400 | 1,817,400 | 31,767,000 | 31,767,000 | $17.48 |
| 09/30/2001 | NEUROGEN CORP | NRGN | 1,631,400 | 1,631,400 | 26,765,000 | 26,765,000 | $16.41 |
| 06/30/2001 | NEUROGEN CORP | NRGN | 1,392,800 | 1,392,800 | 31,949,000 | 31,949,000 | $22.94 |
| 03/31/2001 | NEUROGEN CORP | NRGN | 511,100 | 511,100 | 12,076,000 | 12,076,000 | $23.63 |
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