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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of all insider trading transactions in MESA LABORATORIES INC /CO/. Get notifications about new insider transactions in MESA LABORATORIES INC /CO/ for free.

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Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Jun 16 2021	MLAB	MESA LABORATORIES ...	Hall Shannon	Director	Option Exercise	M	0.00	194	0	0
Jun 16 2021	MLAB	MESA LABORATORIES ...	Hall Shannon	Director	Buy	M	0.00	194	0	448	254 to 448 (+76.38 %)
Jun 09 2021	MLAB	MESA LABORATORIES ...	Sullivan John James	Director	Option Exercise	X	89.70	5,192	465,722	44,796
Jun 09 2021	MLAB	MESA LABORATORIES ...	Sullivan John James	Director	Sell	S	258.19	5,192	1,340,522	24,208	29.4 K to 24.2 K (-17.66 %)
Jun 09 2021	MLAB	MESA LABORATORIES ...	Sullivan John James	Director	Buy	M	89.70	5,192	465,722	29,400	24.2 K to 29.4 K (+21.45 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	142.40	90	12,816	587
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	142.40	90	12,816	587
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	122.66	200	24,532	677
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	122.66	200	24,532	677
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	97.78	200	19,556	877
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	97.78	200	19,556	877
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	70.56	189	13,336	1,077
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	70.56	189	13,336	1,077
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	89.70	172	15,428	1,266
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	89.70	172	15,428	1,266
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Sell	S	260.28	851	221,498	2,600	3.5 K to 2.6 K (-24.66 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Sell	S	260.28	851	221,498	2,600	3.5 K to 2.6 K (-24.66 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	142.40	90	12,816	3,451	3.4 K to 3.5 K (+2.68 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	142.40	90	12,816	3,451	3.4 K to 3.5 K (+2.68 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	122.66	200	24,532	3,361	3.2 K to 3.4 K (+6.33 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	122.66	200	24,532	3,361	3.2 K to 3.4 K (+6.33 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	97.78	200	19,556	3,161	3 K to 3.2 K (+6.75 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	97.78	200	19,556	3,161	3 K to 3.2 K (+6.75 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	70.56	189	13,336	2,961	2.8 K to 3 K (+6.82 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	70.56	189	13,336	2,961	2.8 K to 3 K (+6.82 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	89.70	172	15,428	2,772	2.6 K to 2.8 K (+6.62 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	89.70	172	15,428	2,772	2.6 K to 2.8 K (+6.62 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commercial	Option Exercise	X	142.40	540	76,896	5,914
Jun 07 2021	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commercial	Sell	S	260.27	540	140,546	840	1.4 K to 840 (-39.13 %)
Jun 07 2021	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commercial	Buy	M	142.40	540	76,896	1,380	840 to 1.4 K (+64.29 %)
May 07 2021	MLAB	MESA LABORATORIES ...	Sullivan John James	Director	Sell	S	250.05	200	50,010	32,859	33.1 K to 32.9 K (-0.60 %)
May 07 2021	MLAB	MESA LABORATORIES ...	Sullivan John James	Director	Sell	S	250.59	100	25,059	33,059	33.2 K to 33.1 K (-0.30 %)
May 05 2021	MLAB	MESA LABORATORIES ...	Sullivan John James	Director	Sell	S	250.14	735	183,853	33,159	33.9 K to 33.2 K (-2.17 %)
Apr 19 2021	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Sell	S	253.77	720	182,714	31,315	32 K to 31.3 K (-2.25 %)
Apr 12 2021	MLAB	MESA LABORATORIES ...	Sullivan John James	Director	Gift	G	0.00	23,564	0	23,564	0 to 23.6 K
Apr 12 2021	MLAB	MESA LABORATORIES ...	Sullivan John James	Director	Gift	G	0.00	23,564	0	34,394	58 K to 34.4 K (-40.66 %)
Mar 16 2021	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Sell	S	269.48	720	194,026	32,035	32.8 K to 32 K (-2.20 %)
Mar 15 2021	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	X	70.56	2,000	141,120	32,496
Mar 15 2021	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	X	48.72	500	24,360	34,496
Mar 15 2021	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Sell	S	263.84	2,500	659,600	4,350	6.9 K to 4.4 K (-36.50 %)
Mar 15 2021	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Buy	M	70.56	2,000	141,120	6,850	4.9 K to 6.9 K (+41.24 %)
Mar 15 2021	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Buy	M	48.72	500	24,360	4,850	4.4 K to 4.9 K (+11.49 %)
Mar 11 2021	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Option Exercise	X	129.10	145	18,720	5,213
Mar 11 2021	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Sell	S	271.78	223	60,607	154	377 to 154 (-59.15 %)
Mar 11 2021	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Buy	M	129.10	145	18,720	377	232 to 377 (+62.50 %)
Mar 02 2021	MLAB	MESA LABORATORIES ...	Sullivan John James	Director	Sell	S	273.94	1,250	342,425	57,958	59.2 K to 58 K (-2.11 %)
Feb 24 2021	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commericial	Sell	S	276.75	280	77,490	840	1.1 K to 840 (-25.00 %)
Feb 24 2021	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commericial	Sell	S	276.75	280	77,490	840	1.1 K to 840 (-25.00 %)
Feb 17 2021	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Sell	S	281.52	3,600	1,013,472	32,755	36.4 K to 32.8 K (-9.90 %)
Feb 10 2021	MLAB	MESA LABORATORIES ...	Schmieder John Bradley	Director	Sell	S	278.23	1,750	486,903	71,717	73.5 K to 71.7 K (-2.38 %)
Feb 01 2021	MLAB	MESA LABORATORIES ...	Sullivan John James	Director	Sell	S	277.67	1,250	347,088	59,208	60.5 K to 59.2 K (-2.07 %)
Jan 12 2021	MLAB	MESA LABORATORIES ...	Schmieder John Bradley	Director	Sell	S	285.23	477	136,055	73,467	73.9 K to 73.5 K (-0.65 %)
Jan 11 2021	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	X	89.70	1,000	89,700	34,996
Jan 11 2021	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Buy	M	89.70	1,000	89,700	4,350	3.4 K to 4.4 K (+29.85 %)
Jan 07 2021	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	X	89.70	16	1,435	35,996
Jan 07 2021	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Sell	S	290.00	16	4,640	3,350	3.4 K to 3.4 K (-0.48 %)
Jan 07 2021	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Buy	M	89.70	16	1,435	3,366	3.4 K to 3.4 K (+0.48 %)
Jan 04 2021	MLAB	MESA LABORATORIES ...	Sullivan John James	Director	Sell	S	280.82	1,250	351,025	60,458	61.7 K to 60.5 K (-2.03 %)
Dec 14 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Sell	S	283.18	250	70,795	2,350	2.6 K to 2.4 K (-9.62 %)
Nov 18 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	X	89.70	984	88,265	36,012
Nov 18 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Sell	S	290.00	984	285,360	3,350	4.3 K to 3.4 K (-22.70 %)
Nov 18 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Buy	M	89.70	984	88,265	4,334	3.4 K to 4.3 K (+29.37 %)
Nov 18 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	58.51	17	995	1,438
Nov 18 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Sell	S	283.31	704	199,450	2,600	3.3 K to 2.6 K (-21.31 %)
Nov 18 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	58.51	17	995	3,304	3.3 K to 3.3 K (+0.52 %)
Nov 16 2020	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Option Exercise	M	0.00	477	0	0
Nov 16 2020	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Option Exercise	A	0.00	308	0	308
Nov 16 2020	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Buy	M	0.00	477	0	36,355	35.9 K to 36.4 K (+1.33 %)
Nov 16 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	M	0.00	477	0	0
Nov 16 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	A	0.00	308	0	308
Nov 16 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	0.00	477	0	3,287	2.8 K to 3.3 K (+16.98 %)
Nov 16 2020	MLAB	MESA LABORATORIES ...	Alltoft Jennifer Sadie	Director	Option Exercise	M	0.00	477	0	0
Nov 16 2020	MLAB	MESA LABORATORIES ...	Alltoft Jennifer Sadie	Director	Option Exercise	A	0.00	308	0	308
Nov 16 2020	MLAB	MESA LABORATORIES ...	Alltoft Jennifer Sadie	Director	Buy	M	0.00	477	0	686	209 to 686 (+228.23 %)
Nov 16 2020	MLAB	MESA LABORATORIES ...	Hall Shannon	Director	Option Exercise	M	0.00	254	0	0
Nov 16 2020	MLAB	MESA LABORATORIES ...	Hall Shannon	Director	Option Exercise	A	0.00	308	0	308
Nov 16 2020	MLAB	MESA LABORATORIES ...	Hall Shannon	Director	Buy	M	0.00	254	0	254	0 to 254
Nov 13 2020	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Option Exercise	X	51.85	800	41,480	5,090
Nov 13 2020	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Option Exercise	X	29.30	150	4,395	5,890
Nov 13 2020	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Sell	S	273.77	950	260,082	35,878	36.8 K to 35.9 K (-2.58 %)
Nov 13 2020	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Buy	M	51.85	800	41,480	36,828	36 K to 36.8 K (+2.22 %)
Nov 13 2020	MLAB	MESA LABORATORIES ...	GUILLEMIN EVAN	Director	Buy	M	29.20	150	4,380	36,028	35.9 K to 36 K (+0.42 %)
Nov 10 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Option Exercise	X	203.54	533	108,487	5,358
Nov 10 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Sell	S	272.11	533	145,035	232	765 to 232 (-69.67 %)
Nov 10 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Buy	M	203.54	533	108,487	765	232 to 765 (+229.74 %)
Oct 09 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	X	89.70	942	84,497	36,996
Oct 09 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Sell	S	276.90	942	260,840	3,350	4.3 K to 3.4 K (-21.95 %)
Oct 09 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Buy	M	89.70	942	84,497	4,292	3.4 K to 4.3 K (+28.12 %)
Oct 09 2020	MLAB	MESA LABORATORIES ...	Owens Gary M	President and CEO	Sell	S	276.91	323	89,442	9,863	10.2 K to 9.9 K (-3.17 %)
Oct 09 2020	MLAB	MESA LABORATORIES ...	Owens Gary M	President and CEO	Sell	S	275.00	677	186,175	10,186	10.9 K to 10.2 K (-6.23 %)
Sep 17 2020	MLAB	MESA LABORATORIES ...	Owens Gary M	President and CEO	Option Exercise	M	0.00	1,720	0	0
Sep 17 2020	MLAB	MESA LABORATORIES ...	Owens Gary M	President and CEO	Sell	S	249.32	100	24,932	11,863	12 K to 11.9 K (-0.84 %)
Sep 17 2020	MLAB	MESA LABORATORIES ...	Owens Gary M	President and CEO	Payment of Exercise	F	246.48	757	186,585	11,963	12.7 K to 12 K (-5.95 %)
Sep 17 2020	MLAB	MESA LABORATORIES ...	Owens Gary M	President and CEO	Buy	M	0.00	1,720	0	12,720	11 K to 12.7 K (+15.64 %)
Sep 08 2020	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commerical	Sell	S	243.55	280	68,194	1,182	1.5 K to 1.2 K (-19.15 %)
Sep 04 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	X	48.72	702	34,201	37,938
Sep 04 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	X	48.72	298	14,519	38,640
Sep 04 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Gift	G	0.00	50	0	3,350	3.4 K to 3.4 K (-1.47 %)
Sep 04 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Sell	S	251.42	702	176,497	3,400	4.1 K to 3.4 K (-17.11 %)
Sep 04 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Buy	M	48.72	702	34,201	4,102	3.4 K to 4.1 K (+20.65 %)
Sep 04 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Sell	S	250.00	298	74,500	3,400	3.7 K to 3.4 K (-8.06 %)
Sep 04 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Buy	M	48.72	298	14,519	3,698	3.4 K to 3.7 K (+8.76 %)
Sep 02 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	122.66	600	73,596	1,455
Sep 02 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	142.40	180	25,632	2,055
Sep 02 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Sell	S	245.00	600	147,000	2,810	3.4 K to 2.8 K (-17.60 %)
Sep 02 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	122.66	600	73,596	3,410	2.8 K to 3.4 K (+21.35 %)
Sep 02 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Sell	S	244.00	180	43,920	2,810	3 K to 2.8 K (-6.02 %)
Sep 02 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	142.40	180	25,632	2,990	2.8 K to 3 K (+6.41 %)
Aug 18 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	97.78	800	78,224	2,235
Aug 18 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Sell	S	247.72	800	198,176	2,810	3.6 K to 2.8 K (-22.16 %)
Aug 18 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	97.78	800	78,224	3,610	2.8 K to 3.6 K (+28.47 %)
Aug 18 2020	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commercial	Option Exercise	X	203.54	783	159,372	6,724
Aug 18 2020	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commercial	Sell	S	245.70	835	205,160	1,462	2.3 K to 1.5 K (-36.35 %)
Aug 18 2020	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commercial	Buy	M	203.54	783	159,372	2,297	1.5 K to 2.3 K (+51.72 %)
Aug 17 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	X	48.72	1,000	48,720	38,938
Aug 17 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Gift	G	0.00	100	0	3,400	3.5 K to 3.4 K (-2.86 %)
Aug 17 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Sell	S	244.00	1,000	244,000	3,500	4.5 K to 3.5 K (-22.22 %)
Aug 17 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Buy	M	48.72	1,000	48,720	4,500	3.5 K to 4.5 K (+28.57 %)
Aug 14 2020	MLAB	MESA LABORATORIES ...	Schmieder John Bradley	Director	Option Exercise	X	89.70	1,429	128,181	3,021
Aug 14 2020	MLAB	MESA LABORATORIES ...	Schmieder John Bradley	Director	Sell	S	246.29	1,429	351,948	73,467	74.9 K to 73.5 K (-1.91 %)
Aug 14 2020	MLAB	MESA LABORATORIES ...	Schmieder John Bradley	Director	Buy	M	72.02	1,429	102,917	74,896	73.5 K to 74.9 K (+1.95 %)
Aug 13 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Option Exercise	X	142.40	420	59,808	5,891
Aug 13 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Option Exercise	X	129.10	145	18,720	6,311
Aug 13 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Sell	S	250.00	38	9,500	232	270 to 232 (-14.07 %)
Aug 13 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Sell	S	250.00	420	105,000	270	690 to 270 (-60.87 %)
Aug 13 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Buy	M	142.40	420	59,808	690	270 to 690 (+155.56 %)
Aug 13 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Sell	S	250.00	145	36,250	270	415 to 270 (-34.94 %)
Aug 13 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Buy	M	129.10	145	18,720	415	270 to 415 (+53.70 %)
Aug 13 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	70.56	942	66,468	3,035
Aug 13 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	58.51	85	4,973	3,977
Aug 13 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Option Exercise	X	89.70	344	30,857	4,062
Aug 13 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Sell	S	250.00	942	235,500	2,810	3.8 K to 2.8 K (-25.11 %)
Aug 13 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	70.56	942	66,468	3,752	2.8 K to 3.8 K (+33.52 %)
Aug 13 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Sell	S	250.00	85	21,250	2,810	2.9 K to 2.8 K (-2.94 %)
Aug 13 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	58.51	85	4,973	2,895	2.8 K to 2.9 K (+3.02 %)
Aug 13 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Sell	S	250.00	344	86,000	2,810	3.2 K to 2.8 K (-10.91 %)
Aug 13 2020	MLAB	MESA LABORATORIES ...	KELLY DAVID M	Director	Buy	M	89.70	344	30,857	3,154	2.8 K to 3.2 K (+12.24 %)
Jun 17 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	A	0.00	681	0	681
Jun 17 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	A	226.72	3,951	895,771	39,938
Jun 17 2020	MLAB	MESA LABORATORIES ...	Sakys John	CFO	Option Exercise	A	0.00	1,189	0	1,189
Jun 17 2020	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commecial Opera ...	Option Exercise	A	0.00	559	0	559
Jun 17 2020	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commecial Opera ...	Option Exercise	A	226.72	3,026	686,055	7,507
Jun 17 2020	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commecial Opera ...	Option Exercise	A	0.00	911	0	911
Jun 17 2020	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commecial Opera ...	Option Exercise	M	0.00	90	0	270
Jun 17 2020	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commecial Opera ...	Payment of Exercise	F	226.72	38	8,615	1,514	1.6 K to 1.5 K (-2.45 %)
Jun 17 2020	MLAB	MESA LABORATORIES ...	DINOIA GREGORY	SVP Commecial Opera ...	Buy	M	0.00	90	0	1,552	1.5 K to 1.6 K (+6.16 %)
Jun 17 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Option Exercise	A	0.00	419	0	419
Jun 17 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Option Exercise	A	226.72	2,697	611,464	6,456
Jun 17 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Option Exercise	A	0.00	812	0	812
Jun 17 2020	MLAB	MESA LABORATORIES ...	Archbold Brian David	SVP Continuous Impr ...	Option Exercise	M	0.00	70	0	210

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