Historical shareholding details of Mountaineer Partners Management LLC holdings in Materion Corp (MTRN)

Monthly changes of Mountaineer Partners Management LLC shareholding in Materion Corp over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 31, 2024	Mountaineer Partners Management Llc	79,742	0.38%

Sep 30, 2024	Mountaineer Partners Management Llc	81,776	0.39%

Jun 30, 2024	Mountaineer Partners Management Llc	95,650	0.46%

Mar 31, 2024	Mountaineer Partners Management Llc	100,171	0.48%

Dec 31, 2023	Mountaineer Partners Management Llc	105,800	0.51%