Explore more topics
Public ownership evidence

Materion Corporation (MTRN) Ownership Disclosures

Read MTRN insider transactions, institutional 13F filings and Congressional disclosures with report dates, public availability and original receipts.

As of 2026-10-14T23:32:50.005Z

Jump to a section

Read one actual disclosure before using it

Show the table · 1 row, 6 columns

Scroll sideways to compare all columns. Select a heading to sort.

2026-09-092026-09-04Chemnitz Gregory R.A2Not reported

First displayed source row from Recent Form 4 activity. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-09-04 and its public availability date is 2026-09-09. Subtracting those calendar dates gives 5 days of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

This row is code A: a award. An award is an acquisition but is not an open-market purchase. A purchase-following rule must not count it as code P.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

SEC 0001519910-26-000014 ↗SEC 0001231898-26-000013 ↗SEC 0001204034-26-000025 ↗

Recent Form 4 activity

Inspect all 23 displayed rows: Recent Form 4 activity

Scroll sideways to compare all columns. Select a heading to sort.

2026-09-092026-09-04Chemnitz Gregory R.A2Not reported
2026-09-092026-09-04LIGGETT EMILY MA0.75Not reported
2026-09-092026-09-04KHILNANI VINOD MA11.78Not reported
2026-09-092026-09-04Chadwick Shelly MarieA8Not reported
2026-09-092026-09-04SHULAR CRAIG SA31.14Not reported
2026-09-092026-09-04Prevost Patrick M.A9.65Not reported
2026-09-092026-09-04Fashinpaur Melissa AA1Not reported
2026-09-092026-09-04Vijayvargiya Jugal K.A11Not reported
2026-09-092026-09-04PHILLIPPY ROBERT JA7.08Not reported
2026-09-042026-09-01LIGGETT EMILY MS1,012Not reported
2026-09-022026-08-31KHILNANI VINOD MS2,000Not reported
2026-08-122026-08-07Chadwick Shelly MarieS1,705Not reported
2026-08-122026-08-07Vijayvargiya Jugal K.S267Not reported
2026-08-122026-08-07Vijayvargiya Jugal K.S286Not reported
2026-08-122026-08-07Vijayvargiya Jugal K.S4,865Not reported
2026-08-122026-08-07Vijayvargiya Jugal K.S2,337Not reported
2026-08-122026-08-07Vijayvargiya Jugal K.S3,745Not reported
2026-08-122026-08-07Vijayvargiya Jugal K.S11,174Not reported
2026-08-122026-08-07Vijayvargiya Jugal K.S287Not reported
2026-08-122026-08-07Vijayvargiya Jugal K.S1,375Not reported
2026-08-122026-08-07Solomon Darlene J. S.S3,705Not reported
2026-07-172026-07-15Prevost Patrick M.A81Not reported
2026-07-172026-07-15SHULAR CRAIG SA96Not reported

90-day public availability window, up to 50 records.

Recent institutional filing receipts

Inspect all 50 displayed rows: Recent institutional filing receipts

These are raw ticker-matched positions in recent 13F receipts, including amendments. They are not deduplicated current ownership totals. Open the manager profile to inspect its effective filing book.

Scroll sideways to compare all columns. Select a heading to sort.

Advisors Asset Management, Inc.2021-12-312026-08-2818,071$1,661,448None
Advisors Asset Management, Inc.2022-12-312026-08-282,342$204,948None
Advisors Asset Management, Inc.2020-06-302026-08-2817,573$1,080,564None
Advisors Asset Management, Inc.2022-06-302026-08-281,471$108,000None
Advisors Asset Management, Inc.2021-09-302026-08-2818,339$1,259,000None
Corient Private Wealth LP2026-06-302026-08-281,377$409,642None
Advisors Asset Management, Inc.2024-03-312026-08-274,869$641,491None
Advisors Asset Management, Inc.2025-03-312026-08-273,357$273,931None
Advisors Asset Management, Inc.2022-09-302026-08-271,781$142,000None
Advisors Asset Management, Inc.2020-12-312026-08-2721,925$1,397,000None
Advisors Asset Management, Inc.2022-03-312026-08-2717,920$1,536,461None
Advisors Asset Management, Inc.2023-06-302026-08-272,290$261,518None
Advisors Asset Management, Inc.2023-09-302026-08-272,275$231,845None
Advisors Asset Management, Inc.2023-03-312026-08-272,306$267,496None
Advisors Asset Management, Inc.2021-03-312026-08-2730,628$2,028,799None
Advisors Asset Management, Inc.2021-06-302026-08-2732,006$2,412,000None
Advisors Asset Management, Inc.2020-09-302026-08-2720,764$1,080,351None
Advisors Asset Management, Inc.2025-09-302026-08-2710,918$1,319,004None
Advisors Asset Management, Inc.2023-12-312026-08-273,457$449,859None
Dakota Wealth Management2025-09-302026-08-2711,555$1,395,960None
Dakota Wealth Management2025-12-312026-08-2711,300$1,404,817None
Dakota Wealth Management2026-03-312026-08-278,870$1,283,046None
Advisors Asset Management, Inc.2019-12-312026-08-267,444$442,546None
VIRGINIA RETIREMENT SYSTEMS ET Al2026-06-302026-08-264,500$1,338,255None
Advisors Asset Management, Inc.2025-06-302026-08-253,303$262,159None
First Eagle Investment Management, LLC2026-06-302026-08-25119,300$35,478,627None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-2523,942$7,120,111None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-257,120,111$23,942,000None
Advisors Asset Management, Inc.2024-09-302026-08-223,346$374,284None
Advisors Asset Management, Inc.2024-06-302026-08-223,343$361,479None
Advisors Asset Management, Inc.2024-12-312026-08-223,339$330,160None
Advisors Asset Management, Inc.2025-12-312026-08-2210,183$1,265,951None
Advisors Asset Management, Inc.2020-03-312026-08-227,261$254,208None
Rehmann Capital Advisory Group2026-06-302026-08-21687$204,306None
MERCER GLOBAL ADVISORS INC /ADV2026-06-302026-08-202,803$833,584None
Advisors Asset Management, Inc.2019-03-312026-08-194,262$243,190None
Advisors Asset Management, Inc.2019-09-302026-08-197,798$478,485None
Advisors Asset Management, Inc.2019-06-302026-08-195,996$406,589None
Ensign Peak Advisors, Inc2026-03-312026-08-191,748$252,848None
Ensign Peak Advisors, Inc2025-12-312026-08-191,748$217,311None
Ensign Peak Advisors, Inc2025-09-302026-08-194,898$591,727None
Fulcrum Asset Management LLP2026-06-302026-08-192$579None
Corient Private Wealth LP2026-06-302026-08-181,348$401,017None
Empowered Funds, LLC2026-06-302026-08-18712$211,742None
Empowered Funds, LLC2026-06-302026-08-18174$51,746None
UNITED CAPITAL FINANCIAL ADVISORS, LLC2026-06-302026-08-181,102$327,770None
Proficio Capital Partners LLC2026-06-302026-08-18745$221,556None
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO2026-06-302026-08-18292$86,838None
Odyssean, LLC2026-06-302026-08-15796$236,722None
AMERIFLEX GROUP, INC.2026-06-302026-08-1544$13,085None

90-day public filing window, up to 50 source positions.

Advisors Asset Management, Inc. ↗Advisors Asset Management, Inc. ↗Advisors Asset Management, Inc. ↗Advisors Asset Management, Inc. ↗Advisors Asset Management, Inc. ↗Corient Private Wealth LP ↗Advisors Asset Management, Inc. ↗Advisors Asset Management, Inc. ↗Advisors Asset Management, Inc. ↗Advisors Asset Management, Inc. ↗

Recent Congressional disclosures

No matching Congressional transactions were returned in this source preview.

Show the table · 0 rows, 5 columns

Scroll sideways to compare all columns. Select a heading to sort.

No records are available for this view.

Bounded public source preview, up to 25 disclosed events.

How to read the disclosure dates

The tables report different things: insider transactions, institutional positions and Congressional transaction ranges. Read each table with its source dates and units. They cannot be added into a combined ownership percentage.

  1. Company insiders

    SEC Form 4 purchases, sales and awards report transactions and their public filing availability.

  2. Institutional managers

    13F reports disclose delayed quarter-end positions. They are not a record of trades between quarters.

  3. Congressional filers

    Periodic transaction reports disclose transaction dates and amount brackets. Public filing dates determine what researchers could know.

Institutional source directory ↗Congressional source directory ↗

Read the transaction codes

Awards use transaction code A, purchases P and sales S. An acquisition from an award is not the same as an open-market purchase. Joint filers may share a transaction. Use original receipts and availability dates to interpret the events.