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Costco’s CEO Ron Vachris started in 1982 as a part-time forklift driver at Price Club, the warehouse chain Costco later merged with. He spent 40+ years working his way up to the top job.

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Home/MTRN/Filings

MATERION Corp SEC filings

Grouped by what each filing is, not just when it landed. Straight from EDGAR, free, no login. Back to MTRN · Search inside filings

Financials25 of 47

Annual and quarterly reports

10-Q read by section2026-08-05
11-K2026-06-26
10-Q read by section2026-04-29
10-K read by section2026-02-12
10-Q read by section2025-10-30
10-Q read by section2025-07-30
11-K2025-06-26
10-Q read by section2025-05-01
10-K read by section2025-02-19
10-Q read by section2024-10-30
10-Q read by section2024-08-06
11-K2024-06-24
10-Q read by section2024-05-02
10-K read by section2024-02-15
10-Q read by section2023-11-01
10-Q read by section2023-08-02
11-K2023-06-29
10-Q read by section2023-05-03
10-K read by section2023-02-16
10-Q read by section2022-11-02
10-Q read by section2022-08-03
11-K2022-06-17
10-Q read by section2022-04-28
10-K read by section2022-02-17
10-Q read by section2021-11-02

Registrations1

Prospectuses and share registrations

S-82025-05-07

Ownership25 of 783

Insider and institutional holdings

42026-07-16
42026-07-16
42026-06-16
42026-06-16
42026-06-16
42026-06-16
4

News & events25 of 91

Material events as they were disclosed

8-K2026-08-05
8-K2026-05-07
8-K2026-04-29
8-K2026-02-12
8-K2026-01-23
8-K2025-12-11
8-K

Proxies13

Shareholder meetings and pay disclosure

DEF 14A2026-03-26
PRE 14A2026-03-12
DEF 14A2025-03-27
DEF 14A2024-03-26
DEF 14A2023-04-04
DEF 14A2022-03-24
DEFA14A

Source: the SEC’s own EDGAR submissions record for CIK 0001104657. Forms we do not recognise are left out rather than filed into the wrong group, so a category count is a count of what we could classify, not necessarily of everything ever filed.

2026-06-16

42026-06-16

42026-06-16

42026-06-16

42026-06-16

42026-06-01

42026-05-15

42026-05-15

42026-05-12

42026-05-11

42026-05-11

42026-05-11

42026-05-11

42026-05-11

42026-05-11

42026-05-11

42026-05-11

42026-05-11

42026-04-09

2025-10-29

8-K2025-08-21

8-K2025-08-12

8-K2025-07-30

8-K2025-06-26

8-K2025-05-22

8-K2025-05-07

8-K2025-05-01

8-K2025-02-19

8-K2024-10-30

8-K2024-10-01

8-K2024-08-05

8-K2024-05-10

8-K2024-05-02

8-K2024-03-28

8-K2024-02-15

8-K2024-01-19

8-K2023-11-01

8-K2023-08-08

2021-03-25

DEF 14A2021-03-25

DEFA14A2020-03-30

DEF 14A2020-03-30

DEFA14A2019-03-25

DEF 14A2019-03-25

DEF 14A2018-03-26