| SC 13D/A | 2012-02-28 | Meson Capital Partners LLC | InfuSystem Holdings, Inc | 1,861,480 | 8.7% | EDGAR |
| SC 13G | 2012-02-15 | Minerva Advisors LLC | InfuSystem Holdings, Inc | - | - | EDGAR |
| SC 13G/A | 2012-02-13 | ATHENA CAPITAL MANAGEMENT INC | InfuSystem Holdings, Inc | - | - | EDGAR |
| SC 13G/A | 2012-02-10 | GREENWOOD INVESTMENTS, INC. | InfuSystem Holdings, Inc | 1,444,277 | 6.8% | EDGAR |
| SC 13D/A | 2012-02-01 | Meson Capital Partners LLC | InfuSystem Holdings, Inc | 1,861,480 | 8.7% | EDGAR |
| SC 13D | 2012-01-27 | McDevitt Sean | InfuSystem Holdings, Inc | 1,234,044 | 5.8% | EDGAR |
| SC 13D/A | 2012-01-20 | Meson Capital Partners LLC | InfuSystem Holdings, Inc | 1,861,480 | 8.8% | EDGAR |
| SC 13D | 2011-12-06 | Meson Capital Partners LLC | InfuSystem Holdings, Inc | 1,861,480 | 8.8% | EDGAR |
| SC 13G/A | 2011-03-10 | Pine River Capital Management L.P. | InfuSystem Holdings, Inc | 0 | 0.0% | EDGAR |
| SC 13G/A | 2011-02-14 | Ionic Capital Management LLC | InfuSystem Holdings, Inc | 912,094 | 4.4% | EDGAR |
| SC 13G/A | 2011-02-14 | KLEINHEINZ CAPITAL PARTNERS, INC. | InfuSystem Holdings, Inc | 2,567,480 | 12.6% | EDGAR |
| SC 13D/A | 2011-02-11 | GREAT POINT PARTNERS LLC | InfuSystem Holdings, Inc | - | 0.0% | EDGAR |
| SC 13G/A | 2011-02-11 | TANNENBAUM STEVEN | InfuSystem Holdings, Inc | 1,765,382 | 8.9% | EDGAR |
| SC 13G/A | 2011-02-10 | Pine River Capital Management L.P. | InfuSystem Holdings, Inc | 150,000 | 0.8% | EDGAR |
| SC 13G/A | 2011-01-25 | ATHENA CAPITAL MANAGEMENT INC | InfuSystem Holdings, Inc | - | 9.4% | EDGAR |
| SC 13G/A | 2010-04-12 | FMR LLC | InfuSystem Holdings, Inc | 0 | 0.0% | EDGAR |
| SC 13G/A | 2010-03-10 | FMR LLC | InfuSystem Holdings, Inc | 1,349,600 | 7.2% | EDGAR |
| SC 13G/A | 2010-02-16 | FMR LLC | InfuSystem Holdings, Inc | 2,527,700 | 13.4% | EDGAR |
| SC 13G/A | 2010-02-12 | WELLINGTON MANAGEMENT CO LLP | InfuSystem Holdings, Inc | 771,520 | 4.1% | EDGAR |
| SC 13G/A | 2010-02-12 | CAPITAL VENTURES INTERNATIONAL /E9/ | InfuSystem Holdings, Inc | 0 | 0.0% | EDGAR |