Exhibit 10.43 HYBRIDON, INC. REGISTRATION RIGHTS AGREEMENT dated as of August 28, 2003 HYBRIDON, INC. REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this "Agreement") is entered into as of August 28, 2003 by and among Hybridon,...Registration Rights Agreement • October 10th, 2003 • Hybridon Inc • Biological products, (no disgnostic substances) • Delaware
Exhibit 10.44 THIS WARRANT AND THE SHARES OF COMMON STOCK ISSUED UPON ITS EXERCISE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE OFFERED, SOLD OR OTHERWISE TRANSFERRED, PLEDGED OR HYPOTHECATED UNLESS AND UNTIL...Warrant Agreement • October 10th, 2003 • Hybridon Inc • Biological products, (no disgnostic substances) • Delaware
EXHIBIT 4.3 RIGHTS AGREEMENTRights Agreement • October 10th, 2003 • Hybridon Inc • Biological products, (no disgnostic substances) • New York
