Update, 1/28/11, 5:55 p.m. EST – A comment from Greenberg Traurig has been added to the 10th paragraph below, noting that the firm has terminated Tamman. According to a firm spokesperson, the termination occurred on Friday; the firm offered no more details regarding the time of the termination. As of the time of this update, Tamman’s partner bio and his photo still were live on Greenberg Traurig’s Web site.

The SEC has instituted administrative proceedings against Santa Monica-based Greenberg Traurig corporate partner David Tamman for allegedly falsifying documents being turned over to the regulator’s staff on behalf of a former client caught up in a securities fraud investigation.