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▼ SELL

$ Value

$76K

Shares

939

Price

$81

Filed

May 6

Insider

Name

Chemnitz Gregory R.

Title

VP General Counsel & Secretary

CIK

0001519910

Roles

Officer

Transaction Details

Transaction Date

2025-05-05

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

13,507

Footnotes

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.520 to $80.516, inclusive. | 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 (1), (3), and (4) of this Form 4. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.523 to $81.512, inclusive. | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.525 to $81.970, inclusive.

Filing Info

Accession No.

0001104657-25-000060

Form Type

4

Issuer CIK

0001104657

Chemnitz Gregory R.'s History

Date Ticker Type Value
2026-03-03 MTRN M $344K
2026-03-03 MTRN M $199K
2026-03-03 MTRN M $89K
2026-03-03 MTRN F $699K
2026-03-03 MTRN $171K
2026-03-03 MTRN $540K
2026-03-03 MTRN M $0
2026-03-03 MTRN M $0
2026-03-03 MTRN M $0
2026-03-02 MTRN F $202K

Other Insiders at MTRN (90d)

Insider Bought Sold Last
SHULAR CRAIG S 2026-04-07
KHILNANI VINOD M $595K 2026-02-17
Prevost Patrick M. 2026-04-07
Chemnitz Gregory R.
VP General Counsel & Secretary
$1.3M 2026-03-03
Vijayvargiya Jugal K.
President and CEO
$3.8M 2026-03-02
Chadwick Shelly Marie
Vice President, Finance & CFO
$1.7M 2026-03-03
Fashinpaur Melissa A
Chief Accounting Officer
$49K 2026-03-03