X0306 5 2012-12-31 0 1 0000728331 SUTRON CORP STRN 0001381864 McQuivey Raul S 22400 DAVIS DRIVE STERLING VA 20164 1 1 0 0 Chairman, President, CEO Common Stock 2012-12-21 4 G 0 10000 D 882686 I By Raul S. McQuivey Trust dated 3/24/1999 Common Stock 2012-08-06 4 O 0 110000 0.55 A 882686 D Restricted Stock Unit (RSU) 2012-05-09 4 A 0 6000 A Common Stock 6000 116000 D Option 0.55 2012-08-06 4 O 0 110000 D 2012-10-18 Common Stock 110000 6000 D Transaction amount represents a bona fide gift contribution to the Church of Jesus Christ of Latter Day Saints. Mr. McQuivey holds 302,500 shares of Sutron Corp common stock through the Raul S. McQuivey Trust dated 3/24/1999 following the transaction reported in Table I. Each restricted stock unit is the economic equivalent of one share of Sutron Corp common stock. Represents the conversion upon vesting of Restricted Stock Units into common stock. On May 9, 2012, the reporting person was granted 6,000 Restricted Stock Units, of which two blocks of Restricted Stock Units representing 1/4 of the original May 9, 2012 grant each are eligible for vesting and conversion on January 1, 2013. The remaining two blocks of Restricted Stock Units representing 1/4 of the original May 9, 2012 grant each are eligible for vestinga nd conversion on January 1, 2014. Figure represents 110,000 options granted on October 18, 2012, under the Issuer's 2002 Stock Option Plan and Stock Option Agreement, and 6,000 restricted stock units granted on May 9, 2012. Vests 22,000 shares (20%) in five installments on October 18, 2003, October 18, 2004, October 18, 2005, October 18, 2006, and October 18, 2007. Options granted on October 18, 2002, under the Issuer's 2002 Stock Option Plan and Stock Option Agreement. Figure represents 6,000 Restricted Stock Units granted on May 9, 2012. /s/ Raul S. McQuivey 2014-05-20