ARNOLD GORDON R [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
05/20/2019	SIERRA MONITOR CORP /CA/	SRMC	Disposition	COMMON STOCK	1.1M	$3.25	$3.6M	05/20/2019
09/26/2012	SIERRA MONITOR CORP /CA/	SRMC	Payment of Exercise	COMMON STOCK	7k	$1.85	$13k	09/26/2012
09/26/2012	SIERRA MONITOR CORP /CA/	SRMC	Exercise	EMPLOYEE STOCK OPTION (RIGHT TO BUY)	50k	$0.26	$13k	09/26/2012