Harbour Investments’s Mesa Laboratories MLAB Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$7.3K	Hold	82	–	–	﹤0.01%	3421
2025 Q4	$6.47K	Hold	82	–	–	﹤0.01%	2926
2025 Q3	$5.51K	Hold	82	–	–	﹤0.01%	2948
2025 Q2	$7.73K	Hold	82	–	–	﹤0.01%	2687
2025 Q1	$9.71K	Sell	82 -42	-34%	-$5.72K	﹤0.01%	2533
2024 Q4	$16.3K	Hold	124	–	–	﹤0.01%	2223
2024 Q3	$16.1K	Hold	124	–	–	﹤0.01%	2151
2024 Q2	$10.7K	Buy	124 +1	+0.8%	+$105	﹤0.01%	2230
2024 Q1	$13.5K	Hold	123	–	–	﹤0.01%	2114
2023 Q4	$12.9K	Sell	123 -46	-27%	-$4.48K	﹤0.01%	2054
2023 Q3	$17.8K	Sell	169 -187	-53%	-$24K	﹤0.01%	1798
2023 Q2	$45.8K	Sell	356 -78	-18%	-$11.9K	﹤0.01%	1404
2023 Q1	$75.8K	Buy	434 +1	+0.2%	+$179	﹤0.01%	1169
2022 Q4	$72K	Hold	433	–	–	﹤0.01%	1150
2022 Q3	$88K	Hold	433	–	–	0.01%	1032
2022 Q2	$88K	Buy	+433	New	+$94.8K	0.01%	1032
2021 Q4	$155K	Sell	473 -262	-36%	-$82.2K	0.01%	811
2021 Q3	$222K	Buy	735 +1	+0.1%	+$284	0.01%	973
2021 Q2	$199K	Sell	734 -6	-0.8%	-$1.52K	0.01%	1048
2021 Q1	$180K	Buy	+740	New	+$204K	0.01%	1016