InsiderTrades

Form 4 for MTRN MATERION Corp

Accepted 2026-06-01 15:58:45 ET · period of report 2026-05-29 · accession 0001213190-26-000015 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
M 2026-06-01 15:58 2026-05-29 MTRN PHILLIPPY ROBERT J Dir S - Sale $218.62 -3,500 3,664 -49% -$765.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-29 S D 1,320 $217.67 5,844 D — — (F1) The 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 (5) of this Form 4. (F2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $217.345 to $217.920, inclusive.
2 Common Common Stock 2026-05-29 S D 1,084 $218.59 4,760 D — — (F1) The 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 (5) of this Form 4. (F3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $218.160 to $218.925, inclusive.
3 Common Common Stock 2026-05-29 S D 740 $219.54 4,020 D — — (F1) The 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 (5) of this Form 4. (F4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $219.310 to $219.920, inclusive.
4 Common Common Stock 2026-05-29 S D 356 $220.30 3,664 D — — (F1) The 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 (5) of this Form 4. (F5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $220.150 to $220.480, inclusive.