Sullivan John James - Insider Non-Derivative Transactions at MESA LABORATORIES INC /CO/ (MLAB) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 2, 2025, Sullivan John James's relationship to MESA LABORATORIES INC /CO/ (MLAB) is Director, and currently has 25,282 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other MLAB insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Sullivan John James - Insider Non-Derivative Transactions of MLAB Common Stock

Sullivan John James - Insider Non-Derivative Transactions at MLAB

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 3, 2025	G -- (Common Stock)	2000	0	25282
Aug 16, 2025	M -- (Common Stock)	1404	0	27282
Nov 20, 2024	G -- (Common Stock)	2000	0	25878
Sep 2, 2024	M -- (Common Stock)	1074	0	27878
Nov 10, 2023	G -- (Common Stock)	2000	0	26804
Nov 10, 2023	G -- (Common Stock)	200	0	28804
Nov 10, 2023	G -- (Common Stock)	200	0	44780
Aug 16, 2023	M -- (Common Stock)	754	0	29004
Jun 17, 2023	F -- (Common Stock)	6	135.55	28250
Jun 17, 2023	M -- (Common Stock)	15	0	28256
Jun 16, 2023	F -- (Common Stock)	6	134.45	28241
Jun 16, 2023	M -- (Common Stock)	15	0	28247
Feb 3, 2023	G -- (Common Stock)	14580	0	28232
Feb 3, 2023	G -- (Common Stock)	14580	0	44580