News + Filings Transactions Holdings
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MARXE AUSTIN W & GREENHOUSE DAVID M
> RGEN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 09/30/2014 | REPLIGEN CORP | RGEN | 400,000 | -215,664 | 7,964,000 | 1,136,000 | $19.91 |
| 06/30/2014 | REPLIGEN CORP | RGEN | 451,000 | 0 | 10,278,000 | 4,478,000 | $22.79 |
| 03/31/2014 | REPLIGEN CORP | RGEN | 451,000 | -164,664 | 5,800,000 | -1,028,000 | $12.86 |
| 12/31/2013 | REPLIGEN CORP | RGEN | 575,664 | -40,000 | 7,852,000 | 1,024,000 | $13.64 |
| 09/30/2013 | REPLIGEN CORP | RGEN | 615,664 | 615,664 | 6,828,000 | 6,828,000 | $11.09 |
| 06/30/2013 | REPLIGEN CORP | RGEN | 615,664 | -802,264 | 5,073,000 | -3,846,000 | $8.24 |
| 03/31/2013 | REPLIGEN CORP | RGEN | 1,417,928 | 0 | 9,798,000 | 879,000 | $6.91 |
| 12/31/2012 | REPLIGEN CORP | RGEN | 1,417,928 | 0 | 8,919,000 | 468,000 | $6.29 |
| 09/30/2012 | REPLIGEN CORP | RGEN | 1,417,928 | 0 | 8,451,000 | 2,354,000 | $5.96 |
| 06/30/2012 | REPLIGEN CORP | RGEN | 1,417,928 | 647,675 | 6,097,000 | 1,553,000 | $4.30 |
| 03/31/2012 | REPLIGEN CORP | RGEN | 770,253 | 391,386 | 4,544,000 | 3,305,000 | $5.90 |
| 12/31/2011 | REPLIGEN CORP | RGEN | 866,120 | 487,253 | 3,005,000 | 1,766,000 | $3.47 |
| 09/30/2011 | REPLIGEN CORP | RGEN | 378,867 | 53,867 | 1,239,000 | 56,000 | $3.27 |
| 06/30/2011 | REPLIGEN CORP | RGEN | 325,000 | 325,000 | 1,183,000 | 1,183,000 | $3.64 |
| 09/30/2008 | REPLIGEN CORP | RGEN | 0 | -115,281 | 0 | -544,000 | |
| 06/30/2008 | REPLIGEN CORP | RGEN | 115,281 | -296,187 | 544,000 | -1,439,000 | $4.72 |
| 03/31/2008 | REPLIGEN CORP | RGEN | 411,468 | 411,468 | 1,983,000 | 1,983,000 | $4.82 |
| 12/31/2007 | REPLIGEN CORP | RGEN | 0 | -103,364 | 0 | -444,000 | |
| 09/30/2007 | REPLIGEN CORP | RGEN | 103,364 | 85,764 | 444,000 | 374,000 | $4.30 |
| 12/30/2005 | REPLIGEN CORP | RGEN | 17,600 | 17,600 | 70,000 | 70,000 | $3.98 |
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