The bank raised £5.8bn in the capital-raising round, with each existing shareholder offered the right to buy one new share at 185p for each four shares they already owned.
Jenkins took advantage with a purchase of 613,084 shares, paying a total of £1.13m. At closing price last night they are now worth £1.67m.
Of the bank’s other directors, the next biggest investment came from US boss Skip McGee who bought 351,494 at a cost of £650,000.
Third in line was risk boss Robert Le Blanc with 132,325 new shares.