Five top executives at Healthcare Realty Trust last week showed their collective confidence in a good 2013 for the real estate investment trust's shares. Chairman and CEO David Emery, CFO Scott Holmes, EVP of finance Doug Whitman, General Counsel John Bryant and investment chief Todd Meredith combined to spend more than $3.5 million to add to their holdings on Dec. 31 and Jan. 1. Emery led the way with almost $1 million. Check out all the execs' filings here. Shares of Healthcare Realty (Ticker: HR) are up about 6 percent in the past three months, with much of that gain coming in the past week.