Exhibit 4.1 REGISTRATION RIGHTS AND LOCK-UP AGREEMENT ----------------------------------------- THIS REGISTRATION RIGHTS AND LOCK-UP AGREEMENT (this "Agreement"), is made and entered into as of January 27, 2004, by and among Acadia Realty Trust, a...Registration Rights and Lock-Up Agreement • July 19th, 2005 • Acadia Realty Trust • Real estate investment trusts • New York
