Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as Conversion of derivative security or Exercise of Options are not included. Insiders are only limited to Officers and/or Directors of the company.

"Shares" change (fifth column), "Shares Owned Following This (Direct & Indirect)" transactions (sixth column), and "Trade Price ($)" (seventh column) are split adjusted. The "Share Ownership Details" (last column) displayed data is as of reported (also split adjusted).

Materion Corp Executives

MTRN Politician Trades Transactions

Materion Corp Politician Transactions

Ticker	Company	Transaction Date	Politician Name	Transaction Type	Amount	Asset Type	Party	Position	State	Filing Date
No transaction records found

To find out why GuruFocus thinks data on insider trade are interesting, please read:

Can Aggregated Insider Trading Activities Predict the Market?

Stocks that Both Gurus and Insiders are Buying

Can Aggregated Insider Trading Activities Predict the Market of Different Sectors?

Also See GuruFocus Insider Trade Screener:

Insider Trading Tracker - SEC Form 4 Filings

Double Buys: Stocks that Gurus, Insiders Are Buying

Triple Buys: Stocks that Gurus, Insiders and Companies Are Buying

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