SEC Form 4 · accession 0001541300-26-000021

MATERION Corp · MTRN

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Jugal K. Vijayvargiya

Officer — President and CEO · Director

Period of report

Aug 7, 2026

Accepted (ET)

Aug 11, 2026 · 4:50 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0001104657

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Stock	Aug 7, 2026	M	24,594	$68.82	A	154,181	D
Common Stock	Aug 7, 2026	F	13,146	$296.00	D	141,035	D
Common Stock^F1,F2	Aug 7, 2026	S	1,375	$287.668	D	139,660	D
Common Stock^F1,F3	Aug 7, 2026	S	287	$288.288	D	139,373	D
Common Stock^F1,F4	Aug 7, 2026	S	11,174	$290.123	D	128,199	D
Common Stock^F1,F5	Aug 7, 2026	S	3,745	$292.462	D	124,454	D
Common Stock^F1,F6	Aug 7, 2026	S	2,337	$293.645	D	122,117	D
Common Stock^F1,F7	Aug 7, 2026	S	4,865	$294.448	D	117,252	D
Common Stock^F1,F8	Aug 7, 2026	S	286	$295.17	D	116,966	D
Common Stock^F1,F9	Aug 7, 2026	S	267	$293.244	D	116,699	D

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Stock Appreciation Rights^F10	$68.82	Aug 7, 2026	M	24,594	D	—	Feb 17, 2028	Common Stock	24,594	0	D

Explanation of responses

F1The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) through (9) of this Form 4.
F10The Stock Appreciation Rights vest in three substantially equal annual installments beginning February 17, 2022.
F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $287.330 to $287.970, inclusive.
F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $288.030 to $288.415, inclusive.
F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $290.000 to $290.700, inclusive.
F5The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $292.460 to $292.615, inclusive.
F6The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $293.150 to $293.980, inclusive.
F7The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $294.000 to $294.910, inclusive.
F8The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $295.000 to $295.450, inclusive.
F9The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $296.000 to $296.560, inclusive.