American International Group, Inc. disposed of 559,610 units of 3.46% Senior Secured Notes Series I due June 11, disposed of 1,492,294 units of 3.56% Senior Secured Notes Series J due June 11, disposed of 2,051,904 units of 3.76% Senior Secured Notes Series K due June 11, disposed of 30 units of Series J Mandatory Redeemable Preferred Stock and disposed of 56 units of Series K Mandatory Redeemable Preferred Stock (SEC Form 4)