 Goldman Sachs Group Inc. lessened its stake in shares of Gladstone Commercial Co. NASDAQ:GOOD by 8.0 in the 4th quarter, HoldingsChannel.com reports. The firm owned 370,946 shares of the real estate investment trusts stock after selling 32,219 shares during the period. Goldman Sachs Group Inc.s holdings in Gladstone Commercial were worth 8,109,000 as of its ... 