Русско-англо-русский юридический словарь

After Gallagher (P) was fired by the close corporation that had employed him on an at-will basis, he refused to abide by the price terms of a negotiated agreement for a mandatory buyback of the shares he held as a minority stockholder in the corporation. (Casenote Legal Briefs for Business Organizations, Keyed to Hamilton, Macey and Moll)

Moreover, a company’s fixation on buybacks might come at the cost of investments in its long-term health. (website of McKinsey)

There are 3 main methods to cancel shares in the UK: Share buyback - the company purchases its own shares from existing shareholders, which are which are then cancelled. [...] Capital reduction - the company formally reduces its share capital by cancelling existing shares. [...] Gift of shares to the company - shareholders can gift their shares back to the company. (taylor-rose.co.uk)

Early redemption of bonds refers to the process where the issuer repays the bond principal before the maturity date, either through a call provision or bond buyback. (Compound Real Estate Bonds)