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United States Machinery, Equipment & Components

Mesa Laboratories Inc (MLAB)

Track

In the last 90 days, Mesa Laboratories Inc. saw 6 insider transactions totaling $868,060.72 in sales, with no reported buys. Notably, several officers and former officers engaged in proposed and actual sales. The stock has experienced a 21.0% increase over the past 90 days, and its current price is near its 52-week high.
Stock chart
Ticker: MLAB Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Archbold Brian David
SVP Operations
2 sales — total 200,000 USD
Sale 16 Jun 2026
Value US$3,401,973.66 | Price 340.47 | Shares 69,898
Proposed sale 16 Jun 2026
Value US$4,381,111.89 | Price 54.93 | Shares 9,465
Sale 16 Jun 2026
Value US$393,296.01 | Price 178.56 | Shares 258
Sale 16 Jun 2026
Value US$100,000.00 | Price 101.27 | Shares 1,000
Proposed sale 16 Jun 2026
Value US$100,000.00 | Price 101.27 | Shares 1,000
Proposed sale 16 Jun 2026
Value US$100,000.00 | Price 101.27 | Shares 1,000
Buy 10 Mar 2026
Value US$99,940.00 | Price 76.00 | Shares 1,315
Buy 10 Mar 2026
Value US$99,331.35 | Price 76.35 | Shares 1,301
Buy 10 Mar 2026
Value US$252,805.00 | Price 72.23 | Shares 3,500
Sale 16 Jun 2025
Value US$188,311.80 | Price 97.12 | Shares 1,939
Proposed sale 16 Jun 2025
Value US$188,311.03 | Price 97.12 | Shares 1,939
Sale 16 Jun 2025
Value US$45,839.70 | Price 97.12 | Shares 472
Proposed sale 16 Jun 2025
Value US$45,839.51 | Price 97.12 | Shares 472
Sale 16 Jun 2025
Value US$62,349.76 | Price 97.12 | Shares 642
Proposed sale 16 Jun 2025
Value US$62,349.51 | Price 97.12 | Shares 642
Planned sale 19 Mar 2025
Value US$2,602,110.00 | Price 123.91 | Shares 21,000
Proposed sale 19 Mar 2025
Value US$2,602,118.98 | Price 123.91 | Shares 21,000
Proposed sale 29 Oct 2024
Value US$285,651.54 | Price 111.98 | Shares 2,551
Sale 29 Oct 2024
Value US$285,650.78 | Price 111.98 | Shares 2,551
Sale 28 Oct 2024
Value US$286,085.09 | Price 113.62 | Shares 2,518
Proposed sale 28 Oct 2024
Value US$286,085.84 | Price 113.62 | Shares 2,518
Planned sale 13 Sep 2024
Value US$187,375.00 | Price 125.00 | Shares 1,499
Proposed sale 13 Sep 2024
Value US$187,381.26 | Price 125.00 | Shares 1,499
Planned sale 15 Dec 2023
Value US$168,540.00 | Price 112.36 | Shares 1,500
Proposed sale 15 Dec 2023
Value US$174,000.00 | Price 116.00 | Shares 1,500
Planned sale 15 Sep 2023
Value US$123,740.00 | Price 123.74 | Shares 1,000
Planned sale 14 Sep 2023
Value US$369,150.00 | Price 123.05 | Shares 3,000
Planned sale 13 Sep 2023
Value US$369,965.10 | Price 123.32 | Shares 3,000
Proposed sale 13 Sep 2023
Value US$859,039.00 | Price 122.72 | Shares 7,000
Planned sale 1 Sep 2023
Value US$285,640.00 | Price 142.82 | Shares 2,000
Proposed sale 1 Sep 2023
Value US$289,860.00 | Price 144.93 | Shares 2,000
Planned sale 24 Mar 2023
Value US$188,387.28 | Price 167.01 | Shares 1,128
Planned sale 24 Mar 2023
Value US$167,010.00 | Price 167.01 | Shares 1,000
Proposed sale 24 Mar 2023
Value US$355,397.28 | Price 167.01 | Shares 2,128
Planned sale 22 Mar 2023
Value US$429,050.00 | Price 171.62 | Shares 2,500
Proposed sale 22 Mar 2023
Value US$435,325.00 | Price 174.13 | Shares 2,500
Planned sale 15 Mar 2023
Value US$165,710.00 | Price 165.71 | Shares 1,000
Proposed sale 15 Mar 2023
Value US$165,710.00 | Price 165.71 | Shares 1,000
Proposed sale 9 Mar 2023
Value US$67,988.00 | Price 169.97 | Shares 400
Planned sale 9 Mar 2023
Value US$67,988.00 | Price 169.97 | Shares 400
Planned sale 9 Feb 2023
Value US$184,270.00 | Price 184.27 | Shares 1,000
Planned sale 23 Jan 2023
Value US$441,399.00 | Price 210.19 | Shares 2,100
Sale 13 Jan 2023
Value US$300,548.01 | Price 191.31 | Shares 1,571
Sale 8 Dec 2022
Value US$40,244.25 | Price 174.98 | Shares 230
Sale 11 Nov 2022
Value US$438,625.00 | Price 175.45 | Shares 2,500
Sale 18 Aug 2022
Value US$724,075.04 | Price 196.12 | Shares 3,692
Sale 16 Aug 2022
Value US$275,195.76 | Price 200.58 | Shares 1,372
Sale 15 Aug 2022
Value US$125,939.12 | Price 200.54 | Shares 628
Buy 9 Aug 2022
Value US$100,000.00 | Price 200.00 | Shares 500
Sale 21 Jun 2022
Value US$135,897.73 | Price 188.22 | Shares 722
Sale 21 Jun 2022
Value US$330,521.34 | Price 188.22 | Shares 1,756
Sale 21 Jun 2022
Value US$104,464.32 | Price 188.22 | Shares 555
Sale 21 Jun 2022
Value US$73,783.81 | Price 188.22 | Shares 392
Sale 7 Jun 2022
Value US$1,078,689.92 | Price 207.76 | Shares 5,192
Planned sale 20 Apr 2022
Value US$18,031.68 | Price 250.44 | Shares 72
Planned sale 24 Mar 2022
Value US$168,270.50 | Price 251.15 | Shares 670
Planned sale 23 Mar 2022
Value US$233,699.70 | Price 251.29 | Shares 930
Planned sale 15 Feb 2022
Value US$1,346,908.64 | Price 259.42 | Shares 5,192
Planned sale 3 Jan 2022
Value US$327,770.00 | Price 327.77 | Shares 1,000
Sale 14 Dec 2021
Value US$539,208.18 | Price 325.02 | Shares 1,659
Planned sale 10 Dec 2021
Value US$570,892.92 | Price 324.74 | Shares 1,758
Sale 2 Dec 2021
Value US$720,615.20 | Price 310.61 | Shares 2,320
Planned sale 15 Nov 2021
Value US$1,599,239.84 | Price 308.02 | Shares 5,192
Sale 11 Nov 2021
Value US$317,120.00 | Price 317.12 | Shares 1,000
Sale 8 Nov 2021
Value US$90,641.60 | Price 323.72 | Shares 280
Sale 8 Nov 2021
Value US$5,833.26 | Price 324.07 | Shares 18
Planned sale 20 Oct 2021
Value US$619,720.00 | Price 309.86 | Shares 2,000
Planned sale 1 Oct 2021
Value US$380,600.00 | Price 304.48 | Shares 1,250
Planned sale 11 Aug 2021
Value US$222,448.00 | Price 278.06 | Shares 800
Planned sale 2 Aug 2021
Value US$363,087.50 | Price 290.47 | Shares 1,250
Planned sale 1 Jul 2021
Value US$334,300.00 | Price 267.44 | Shares 1,250
Sale 1 Jul 2021
Value US$267,040.00 | Price 267.04 | Shares 1,000
Sale 17 Jun 2021
Value US$102,624.00 | Price 256.56 | Shares 400
Sale 16 Jun 2021
Value US$309,616.37 | Price 255.67 | Shares 1,211
Planned sale 16 Jun 2021
Value US$132,446.35 | Price 262.27 | Shares 505
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-17 2026-06-16 S Sale
3.8
Archbold Brian David

SVP Operations

Officer
69,898 +23.8%
340.47
US$3,401,974 		69,898 +23.8% 340.47 US$3,401,974
2026-06-17 2026-06-16 S Sale
Crennen Lyndsey Elizabeth

CAO

Officer
258 -46.2%
178.56
US$393,296 		258 -46.2% 178.56 US$393,296
2026-06-17 2026-06-16 S Sale
3.3
Sakys John

CFO

Officer
15,994 +1.1%
211.75
US$1,858,232 		15,994 +1.1% 211.75 US$1,858,232
2026-06-16 2026-06-16 PrS Proposed sale
3.8
Archbold Brian David

Officer

Officer
1,000
101.27
US$100,000 		1,000 101.27 US$100,000
2026-06-16 2026-06-16 PrS Proposed sale
3.3
Sakys John

Officer

Officer
1,000
101.27
US$100,000 		1,000 101.27 US$100,000
2026-06-16 2026-06-16 PrS Proposed sale
2.1
Owens Gary M

Former Officer

Officer
1,000
101.27
US$100,000 		1,000 101.27 US$100,000
2026-03-10 2026-03-10 B Purchase
2.0
Tripeny R Tony
Non-Executive Director
1,315 +32.2%
76.00
US$99,940 		1,315 +32.2% 76.00 US$99,940
2026-03-10 2026-03-10 B Purchase
Capone Mark Christopher
Non-Executive Director
1,301 +61.1%
76.35
US$99,331 		1,301 +61.1% 76.35 US$99,331
2026-03-10 2026-03-10 B Purchase
Ladiwala Shiraz Shabanali
Non-Executive Director
3,500 +69.7%
72.23
US$252,805 		3,500 +69.7% 72.23 US$252,805
2025-06-18 2025-06-16 S Sale
2.1
Owens Gary M

President and CEO

Officer
1,939 -4.1%
97.12
US$188,312 		1,939 -4.1% 97.12 US$188,312
2025-06-18 2025-06-16 S Sale
3.8
Archbold Brian David

SVP Operations

Officer
472 -45.8%
97.12
US$45,840 		472 -45.8% 97.12 US$45,840
2025-06-18 2025-06-16 S Sale
3.3
Sakys John

CFO

Officer
642 -4.8%
97.12
US$62,350 		642 -4.8% 97.12 US$62,350
2025-06-16 2025-06-16 PrS Proposed sale
3.8
Archbold Brian David

Officer

Officer
472
97.12
US$45,840 		472 97.12 US$45,840
2025-06-16 2025-06-16 PrS Proposed sale
2.1
Owens Gary M

Officer; Director

Executive Director
1,939
97.12
US$188,311 		1,939 97.12 US$188,311
2025-06-16 2025-06-16 PrS Proposed sale
3.3
Sakys John

Officer

Officer
642
97.12
US$62,350 		642 97.12 US$62,350
2025-03-24 2025-03-19 PlS Planned sale
2.1
Owens Gary M

President and CEO

Officer
21,000 -32.6%
123.91
US$2,602,110 		21,000 -32.6% 123.91 US$2,602,110
2025-03-19 2025-03-19 PrS Proposed sale
2.1
Owens Gary M

Officer; Director

Executive Director
21,000
123.91
US$2,602,119 		21,000 123.91 US$2,602,119
2024-10-29 2024-10-29 PrS Proposed sale
2.1
Owens Gary M

Officer; Director

Executive Director
2,551
111.98
US$285,652 		2,551 111.98 US$285,652
2024-10-29 2024-10-29 S Sale
2.1
Owens Gary M

President and CEO

Officer
2,551 -5.6%
111.98
US$285,651 		2,551 -5.6% 111.98 US$285,651
2024-10-29 2024-10-28 S Sale
2.1
Owens Gary M

President and CEO

Officer
2,518 -5.2%
113.62
US$286,085 		2,518 -5.2% 113.62 US$286,085
2024-10-28 2024-10-28 PrS Proposed sale
2.1
Owens Gary M

Officer; Director

Executive Director
2,518
113.62
US$286,086 		2,518 113.62 US$286,086
2024-09-16 2024-09-13 PlS Planned sale
3.8
Archbold Brian David

SVP Operations

Officer
1,499 -100.0%
125.00
US$187,375 		1,499 -100.0% 125.00 US$187,375
2024-09-13 2024-09-13 PrS Proposed sale
3.8
Archbold Brian David

Officer

Officer
1,499
125.00
US$187,381 		1,499 125.00 US$187,381
2023-12-19 2023-12-15 PlS Planned sale
3.8
Archbold Brian David

SVP Operations

Officer
1,500 -72.9%
112.36
US$168,540 		1,500 -72.9% 112.36 US$168,540
2023-12-15 2023-12-15 PrS Proposed sale
3.8
Archbold Brian David

Officer

Officer
1,500
116.00
US$174,000 		1,500 116.00 US$174,000
2023-09-19 2023-09-15 PlS Planned sale
3.3
Schmieder John Bradley
Non-Executive Director
1,000 -1.6%
123.74
US$123,740 		1,000 -1.6% 123.74 US$123,740
2023-09-19 2023-09-14 PlS Planned sale
3.3
Schmieder John Bradley
Non-Executive Director
3,000 -4.5%
123.05
US$369,150 		3,000 -4.5% 123.05 US$369,150
2023-09-14 2023-09-13 PlS Planned sale
3.3
Schmieder John Bradley
Non-Executive Director
3,000 -4.3%
123.32
US$369,965 		3,000 -4.3% 123.32 US$369,965
2023-09-13 2023-09-13 PrS Proposed sale
3.3
Schmieder John Bradley

Director

Non-Executive Director
7,000
122.72
US$859,039 		7,000 122.72 US$859,039
2023-09-05 2023-09-01 PlS Planned sale
2.1
Owens Gary M

President and CEO

Officer
2,000 -6.2%
142.82
US$285,640 		2,000 -6.2% 142.82 US$285,640
2023-09-01 2023-09-01 PrS Proposed sale
2.1
Owens Gary M

Officer; Director

Executive Director
2,000
144.93
US$289,860 		2,000 144.93 US$289,860
2023-03-27 2023-03-24 PlS Planned sale
3.3
Sakys John

CFO

Officer
1,128 -10.4%
167.01
US$188,387 		1,128 -10.4% 167.01 US$188,387
2023-03-27 2023-03-24 PlS Planned sale
3.3
Sakys John

CFO

Officer
1,000 -9.3%
167.01
US$167,010 		1,000 -9.3% 167.01 US$167,010
2023-03-24 2023-03-24 PrS Proposed sale
3.3
Sakys John

Officer

Officer
2,128
167.01
US$355,397 		2,128 167.01 US$355,397
2023-03-27 2023-03-22 PlS Planned sale
3.3
Sakys John

CFO

Officer
2,500 -20.5%
171.62
US$429,050 		2,500 -20.5% 171.62 US$429,050
2023-03-22 2023-03-22 PrS Proposed sale
3.3
Sakys John

Officer

Officer
2,500
174.13
US$435,325 		2,500 174.13 US$435,325
2023-03-16 2023-03-15 PlS Planned sale
3.3
Sakys John

CFO

Officer
1,000 -9.3%
165.71
US$165,710 		1,000 -9.3% 165.71 US$165,710
2023-03-15 2023-03-15 PrS Proposed sale
3.3
Sakys John

Officer

Officer
1,000
165.71
US$165,710 		1,000 165.71 US$165,710
2023-03-09 2023-03-09 PrS Proposed sale
3.3
Sakys John

Officer

Officer
400
169.97
US$67,988 		400 169.97 US$67,988
2023-03-09 2023-03-09 PlS Planned sale
3.3
Sakys John

CFO

Officer
400 -4.0%
169.97
US$67,988 		400 -4.0% 169.97 US$67,988
2023-02-09 2023-02-09 PlS Planned sale
3.3
Sakys John

CFO

Officer
1,000 -9.3%
184.27
US$184,270 		1,000 -9.3% 184.27 US$184,270
2023-01-25 2023-01-23 PlS Planned sale
3.3
Sakys John

CFO

Officer
2,100 -17.8%
210.19
US$441,399 		2,100 -17.8% 210.19 US$441,399
2023-01-17 2023-01-13 S Sale
3.3
Schmieder John Bradley
Non-Executive Director
1,571 -2.2%
191.31
US$300,548 		1,571 -2.2% 191.31 US$300,548
2022-12-09 2022-12-08 S Sale
1.6
Hall Shannon
Non-Executive Director
230 -19.4%
174.98
US$40,244 		230 -19.4% 174.98 US$40,244
2022-11-21 2022-11-11 S Sale
3.3
Schmieder John Bradley
Non-Executive Director
2,500 -3.5%
175.45
US$438,625 		2,500 -3.5% 175.45 US$438,625
2022-08-19 2022-08-18 S Sale
3.3
GUILLEMIN EVAN
Non-Executive Director
3,692 -11.4%
196.12
US$724,075 		3,692 -11.4% 196.12 US$724,075
2022-08-17 2022-08-16 S Sale
3.3
Sakys John

CFO

Officer
1,372 -13.7%
200.58
US$275,196 		1,372 -13.7% 200.58 US$275,196
2022-08-17 2022-08-15 S Sale
3.3
Sakys John

CFO

Officer
628 -5.9%
200.54
US$125,939 		628 -5.9% 200.54 US$125,939
2022-08-09 2022-08-09 B Purchase
2.0
Tripeny R Tony
Non-Executive Director
500 +inf%
200.00
US$100,000 		500 +inf% 200.00 US$100,000
2022-06-22 2022-06-21 S Sale
3.3
Sakys John

CFO

Officer
722 -7.7%
188.22
US$135,898 		722 -7.7% 188.22 US$135,898
2022-06-22 2022-06-21 S Sale
2.1
Owens Gary M

President and CEO

Officer
1,756 -7.5%
188.22
US$330,521 		1,756 -7.5% 188.22 US$330,521
2022-06-22 2022-06-21 S Sale
2.4
DINOIA GREGORY

SVP Commercial

Officer
555 -13.2%
188.22
US$104,464 		555 -13.2% 188.22 US$104,464
2022-06-22 2022-06-21 S Sale
3.8
Archbold Brian David

SVP Operations

Officer
392 -32.5%
188.22
US$73,784 		392 -32.5% 188.22 US$73,784
2022-06-13 2022-06-07 S Sale
3.7
Sullivan John James
Non-Executive Director
5,192 -17.9%
207.76
US$1,078,690 		5,192 -17.9% 207.76 US$1,078,690
2022-04-22 2022-04-20 PlS Planned sale
3.3
Sakys John

CFO

Officer
72 -0.9%
250.44
US$18,032 		72 -0.9% 250.44 US$18,032
2022-03-25 2022-03-24 PlS Planned sale
3.3
Sakys John

CFO

Officer
670 -8.2%
251.15
US$168,270 		670 -8.2% 251.15 US$168,270
2022-03-25 2022-03-23 PlS Planned sale
3.3
Sakys John

CFO

Officer
930 -10.2%
251.29
US$233,700 		930 -10.2% 251.29 US$233,700
2022-02-16 2022-02-15 PlS Planned sale
3.7
Sullivan John James
Non-Executive Director
5,192 -18.5%
259.42
US$1,346,909 		5,192 -18.5% 259.42 US$1,346,909
2022-01-04 2022-01-03 PlS Planned sale
3.3
Schmieder John Bradley
Non-Executive Director
1,000 -1.4%
327.77
US$327,770 		1,000 -1.4% 327.77 US$327,770
2021-12-15 2021-12-14 S Sale
3.8
Archbold Brian David

SVP Operations

Officer
1,659 -91.5%
325.02
US$539,208 		1,659 -91.5% 325.02 US$539,208
2021-12-10 2021-12-10 PlS Planned sale
3.3
Sakys John

CFO

Officer
1,758 -19.0%
324.74
US$570,893 		1,758 -19.0% 324.74 US$570,893
2021-12-06 2021-12-02 S Sale
3.3
GUILLEMIN EVAN
Non-Executive Director
2,320 -7.2%
310.61
US$720,615 		2,320 -7.2% 310.61 US$720,615
2021-11-16 2021-11-15 PlS Planned sale
3.7
Sullivan John James
Non-Executive Director
5,192 -19.2%
308.02
US$1,599,240 		5,192 -19.2% 308.02 US$1,599,240
2021-11-12 2021-11-11 S Sale
3.3
Sakys John

CFO

Officer
1,000 -11.7%
317.12
US$317,120 		1,000 -11.7% 317.12 US$317,120
2021-11-09 2021-11-08 S Sale
2.4
DINOIA GREGORY

SVP Commercial

Officer
280 -9.4%
323.72
US$90,642 		280 -9.4% 323.72 US$90,642
2021-11-09 2021-11-08 S Sale
2.8
KELLY DAVID M
Non-Executive Director
18 -0.7%
324.07
US$5,833 		18 -0.7% 324.07 US$5,833
2021-10-25 2021-10-20 PlS Planned sale
3.3
Sakys John

CFO

Officer
2,000 -21.0%
309.86
US$619,720 		2,000 -21.0% 309.86 US$619,720
2021-10-04 2021-10-01 PlS Planned sale
3.7
Sullivan John James
Non-Executive Director
1,250 -5.4%
304.48
US$380,600 		1,250 -5.4% 304.48 US$380,600
2021-08-12 2021-08-11 PlS Planned sale
3.3
Schmieder John Bradley
Non-Executive Director
800 -1.1%
278.06
US$222,448 		800 -1.1% 278.06 US$222,448
2021-08-02 2021-08-02 PlS Planned sale
3.7
Sullivan John James
Non-Executive Director
1,250 -5.1%
290.47
US$363,088 		1,250 -5.1% 290.47 US$363,088
2021-07-06 2021-07-01 PlS Planned sale
3.7
Sullivan John James
Non-Executive Director
1,250 -4.9%
267.44
US$334,300 		1,250 -4.9% 267.44 US$334,300
2021-07-06 2021-07-01 S Sale
3.3
Sakys John

CFO

Officer
1,000 -11.7%
267.04
US$267,040 		1,000 -11.7% 267.04 US$267,040
2021-06-21 2021-06-17 S Sale
3.8
Archbold Brian David

SVP Continuous Improvement

Officer
400 -33.5%
256.56
US$102,624 		400 -33.5% 256.56 US$102,624
2021-06-17 2021-06-16 S Sale
2.4
DINOIA GREGORY

SVP Commericial

Officer
1,211 -28.9%
255.67
US$309,616 		1,211 -28.9% 255.67 US$309,616
2021-06-17 2021-06-16 PlS Planned sale
3.3
Schmieder John Bradley
Non-Executive Director
505 -0.7%
262.27
US$132,446 		505 -0.7% 262.27 US$132,446
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