EXHIBIT 4.1 RIGHTS AGREEMENT Dated as of April 19, 2002Rights Agreement • April 22nd, 2002 • Centra Software Inc • Services-business services, nec • Delaware
EXHIBIT 4.3 [Form of Right Certificate] Certificate No. [R]- Rights NOT EXERCISABLE AFTER APRIL 19, 2012, OR EARLIER IF REDEEMED BY THE COMPANY. THE RIGHTS ARE SUBJECT TO REDEMPTION, AT THE OPTION OF THE COMPANY, AT $.001 PER RIGHT, ON THE TERMS SET...Centra Software Inc • April 22nd, 2002 • Services-business services, nec
This certifies that, or registered assigns, is the registered owner of the number of Rights set forth above, each of which entitles the owner, thereof, subject to the terms, provisions and conditions of the Rights Agreement dated as of April 19, 2002 (the "Rights Agreement"), between Centra Software, Inc., a Delaware corporation (the "Company"), and American Stock Transfer & Trust Company, a transfer agent, as Rights Agent (the "Rights Agent"), unless the Rights evidenced hereby shall have been previously redeemed by the Company, to purchase from the Company at any time after the Distribution Date (as defined in the Rights Agreement) and prior to 5:00 p.m., Boston time, on the 10th anniversary of the date of the Rights Agreement (the "Expiration Date"), at the office of the Rights Agent, or its successors as Rights Agent, in Brooklyn, New York, one one-thousandth (1/1,000th) of a fully paid, nonassessable share of Series A Participating Cumulative Preferred Stock, par value $.001 per s
