X0303 4/A 2009-12-29 2009-12-31 1 0001304161 Pharma-Bio Serv, Inc. pbsv 0001210052 BARRON PARTNERS LP 730 FIFTH AVENUE 25TH FLOOR NEW YORK NY 10019 0 0 1 0 Common Stock, par value $.0001 2009-12-29 4 S 0 2482574 0.2 D 30000 D Form 4 originally filed on December 31, 2009 mistakenly listed amount of shares of Common Stock beneficially owned following December 29, 2009 sale of 2,482,574 shares of Common Stock as zero. Correct amount should have been 30,000. Also, the same filing mistakenly listed purchases of shares of Common Stock on 12/30/09 and 12/31/09. Andrew B Worden, Managing Director, General Partner Entity 2010-01-13