Kohlberg Kravis Roberts (KKR), the US buy-out firm, is to sell its remaining stake in Amphenol, the technology company, as part of a block trade through the New York Stock Exchange (NYSE) which is likely to give it $742m (€ 585m).

According to a statement filed with the Securities and Exchange Commission (SEC) on Friday, 12.3 million shares in Amphenol will be offered on the NYSE, of which 11.9 million are owned by KKR and 400,000 are currently owned by the Amphenol management. Combined, the stakes represent 25% of Amphenol's total issued shares.