| SC 13G/A | 2014-02-14 | WELLINGTON MANAGEMENT CO LLP | XENOPORT INC | 6,670,334 | 14.0% | EDGAR |
| SC 13G/A | 2014-02-14 | ORBIMED ADVISORS LLC | XENOPORT INC | 1,706,300 | 3.6% | EDGAR |
| SC 13G/A | 2014-02-14 | Flynn James E | XENOPORT INC | 3,719,040 | 7.8% | EDGAR |
| SC 13G/A | 2014-02-13 | PRICE T ROWE ASSOCIATES INC /MD/ | XENOPORT INC | 81,500 | 0.1% | EDGAR |
| SC 13G/A | 2014-02-13 | Capital World Investors | XENOPORT INC | 3,620,000 | 7.6% | EDGAR |
| SC 13G/A | 2014-02-12 | VANGUARD GROUP INC | XENOPORT INC | 1,215,613 | 2.5% | EDGAR |
| SC 13G/A | 2014-01-31 | BlackRock Inc. | XENOPORT INC | 3,580,194 | 7.5% | EDGAR |
| SC 13G/A | 2013-11-12 | PRICE T ROWE ASSOCIATES INC /MD/ | XENOPORT INC | 875,115 | 1.8% | EDGAR |
| SC 13G/A | 2013-04-10 | FMR LLC | XENOPORT INC | 1,272,707 | 2.7% | EDGAR |
| SC 13G/A | 2013-03-11 | WELLINGTON MANAGEMENT CO LLP | XENOPORT INC | 4,582,724 | 10.7% | EDGAR |
| SC 13G/A | 2013-02-14 | FMR LLC | XENOPORT INC | 5,297,207 | 12.3% | EDGAR |
| SC 13G/A | 2013-02-14 | WELLINGTON MANAGEMENT CO LLP | XENOPORT INC | 4,022,724 | 9.4% | EDGAR |
| SC 13G/A | 2013-02-14 | Flynn James E | XENOPORT INC | 2,686,064 | 6.2% | EDGAR |
| SC 13G | 2013-02-14 | ORBIMED ADVISORS LLC | XENOPORT INC | 720,700 | 1.7% | EDGAR |
| SC 13G | 2013-02-13 | Capital World Investors | XENOPORT INC | 3,152,000 | 7.3% | EDGAR |
| SC 13G | 2013-02-12 | VANGUARD GROUP INC | XENOPORT INC | 2,222,244 | 5.2% | EDGAR |
| SC 13G/A | 2013-02-11 | PRICE T ROWE ASSOCIATES INC /MD/ | XENOPORT INC | 6,074,311 | 14.1% | EDGAR |
| SC 13G/A | 2013-02-05 | BlackRock Inc. | XENOPORT INC | 2,721,427 | 6.3% | EDGAR |
| SC 13G | 2012-12-19 | GLAXOSMITHKLINE PLC | XENOPORT INC | 4,031,212 | 8.6% | EDGAR |
| SC 13G | 2012-10-29 | Flynn James E | XENOPORT INC | 3,117,706 | 7.3% | EDGAR |