AMENDMENT NO. 1 TO REGISTRATION RIGHTS AGREEMENTRegistration Rights Agreement • February 8th, 2000 • Adolor Corp
BACKGROUND ----------Stock Purchase Agreement • February 8th, 2000 • Adolor Corp
EXHIBIT 4.1 SERIES A CONVERTIBLE PREFERRED STOCK PURCHASE AGREEMENTSeries a Convertible Preferred Stock Purchase Agreement • February 8th, 2000 • Adolor Corp • Delaware
EXHIBIT 4.2 SERIES B CONVERTIBLE PREFERRED STOCK PURCHASE AGREEMENTSeries B Convertible Preferred Stock Purchase Agreement • February 8th, 2000 • Adolor Corp • Delaware
EXHIBIT 4.8 REGISTRATION RIGHTS AGREEMENT Agreement made as of this 7th day of November, 1994 by and among Opian Pharmaceuticals, Inc., a Delaware corporation (the "Company"), the purchasers listed in Schedule I to the Series A Convertible Preferred...Registration Rights Agreement • February 8th, 2000 • Adolor Corp • Delaware
EXHIBIT 4.5 SERIES E CONVERTIBLE PREFERRED STOCK PURCHASE AGREEMENTSeries E Convertible Preferred Stock Purchase Agreement • February 8th, 2000 • Adolor Corp • Delaware
EXHIBIT 4.6 EXECUTION VERSION SERIES F CONVERTIBLE PREFERRED STOCK PURCHASE AGREEMENTSeries F Convertible Preferred Stock Purchase Agreement • February 8th, 2000 • Adolor Corp • Delaware
AMENDMENT NO.4 TO REGISTRATION RIGHTS AGREEMENTRegistration Rights Agreement • February 8th, 2000 • Adolor Corp
EXHIBIT 4.7 SERIES G CONVERTIBLE PREFERRED STOCK PURCHASE AGREEMENTSeries G Convertible Preferred Stock Purchase Agreement • February 8th, 2000 • Adolor Corp • Delaware
AMENDMENT NO.3 TORegistration Rights Agreement • February 8th, 2000 • Adolor Corp
