BUSINESSMAN HAS 5.7 PCT OF ARDEN GROUP <ARDNA> Saul Brandman, a California business executive, told the Securities and Exchange Commission he has acquired 118,714 shares of Arden Group Inc, or 5.7 pct of the total outstanding common stock. Brandman, chairman of Domino of California Inc, a Los Angeles garment maker, said he bought the stake for 3.1 mln dlrs for investment purposes. He said he may buy more Arden Group shares, or he may sell some or all of his current stake. He also said he has no plans to seek control of the company.