MESA LABS INC

Ticker: MLAB CUSIP: 59064R109 Class: Common Stock

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 7,754 Value ($000) $609 Avg Close $75.96 Range $66.39 - $83.18

Q3 2025

Shares 8,212 Value ($000) $550 Avg Close $71.72 Range $55.21 - $103.28

Q2 2025

Shares 3,930 Value ($000) $370 Avg Close $109.15 Range $87.42 - $130.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,754	$609	$75.96	$66.39 - $83.18
Q3 2025	8,212	$550	$71.72	$55.21 - $103.28
Q2 2025	3,930	$370	$109.15	$87.42 - $130.43