Trico Bancshares / (TCBK) SEC Filings — 2006 0 SEC filings for Trico Bancshares / (TCBK) in 2006. FilingsNo filings found for TCBK in 2006. ExploreAll TCBK Filings · TCBK 2005 · TCBK 2007 · All 2006 Filings