By Colin Kellaher 



  Chubb Ltd. on Wednesday said its shareholders approved a 4% increase in the quarterly dividend to 78 cents from 75 cents. 


  The new payout, equal to $3.12 year, represents an annual yield of 3.06% based on Tuesday's closing price of $102.03, up from 2.94%. 


  The Zurich property and casualty insurance company said the first increased dividend is payable July 10 to shareholders of record June 19. 


  Write to Colin Kellaher at colin.kellaher@wsj.com