that subordinating appellants’ claims advances the policies underlying § 510(b) by preventing disappointed equity investors from recovering a portion of their investment in parity with bona fide creditors in a bankruptcy proceeding. We agree with Telegroup, and hold that a claim for breach of a provision in a stock purchase agreement requiring the issuer to use its best efforts to register its stock and ensure that .the stock is freely tradea-ble “arises from” the purchase of the stock for purposes of § 510(b), and therefore must be subordinated. Accordingly, we will affirm. I. The relevant facts are undisputed, and can be succinctly summarized. Appellant LeHeron Corporation, Ltd. sold to Tele-group the assets of certain businesses that it owned in exchange fo -34 (Bankr.S.D.N.Y.1997) (<HOLDING>); see also In re Lenco, Inc., 116 B.R. 141
holding that plaims for breach of a merger agreement arise from the purchase or sale of debtors securities holding that claims that debtor fraudulently induced claimants to retain debtors securities arise from the purchase or sale of those securities holding that claims for breach of debtors agreement to use its best efforts to register its securities arise from the purchase of those securities for purposes of  510b holding that claims for erisa violations arose from the purchase or sale of debtors securities holding that claims for breach of the debtors agreement to use its best efforts to register its securities arise from the purchase of those securities for purposes of  510b