<SEC-DOCUMENT>0001047469-19-004647-index.html : 20190808
<SEC-HEADER>0001047469-19-004647.hdr.sgml : 20190808
<ACCEPTANCE-DATETIME>20190808162104
ACCESSION NUMBER:		0001047469-19-004647
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20190808
DATE AS OF CHANGE:		20190808

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MESA LABORATORIES INC /CO
		CENTRAL INDEX KEY:			0000724004
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		IRS NUMBER:				840872291
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-233042
		FILM NUMBER:		191009836

	BUSINESS ADDRESS:	
		STREET 1:		12100 W 6TH AVE
		CITY:			LAKEWOOD
		STATE:			CO
		ZIP:			80228
		BUSINESS PHONE:		3039878000

	MAIL ADDRESS:	
		STREET 1:		12100 W 6TH AVE
		CITY:			LAKEWOOD
		STATE:			CO
		ZIP:			80228

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MESA MEDICAL INC
		DATE OF NAME CHANGE:	19921123
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>a2239453z424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: a2239453z424b5.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g892804.jpg <DESCRIPTION>G892804.JPG <TEXT> Document 2 - file: g892804.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g138500.jpg <DESCRIPTION>G138500.JPG <TEXT> Document 3 - file: g138500.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g247663.jpg <DESCRIPTION>G247663.JPG <TEXT> Document 4 - file: g247663.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g212451.jpg <DESCRIPTION>G212451.JPG <TEXT> Document 5 - file: g212451.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g769691.jpg <DESCRIPTION>G769691.JPG <TEXT> Document 6 - file: g769691.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g904707.jpg <DESCRIPTION>G904707.JPG <TEXT> Document 7 - file: g904707.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g150162.jpg <DESCRIPTION>G150162.JPG <TEXT> Document 8 - file: g150162.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g323771.jpg <DESCRIPTION>G323771.JPG <TEXT> Document 9 - file: g323771.jpg
</DOCUMENT> </SEC-DOCUMENT>