13 transactions on file, per SEC Form 4 filings.
See MTRX superinvestor activity →MILLER DAVID (JAMES)
VP & General Counsel · 2026-08-30
Option exercise
967 sh
MILLER DAVID (JAMES)
VP & General Counsel · 2026-08-30
D-Return
$10K
MILLER DAVID (JAMES)
VP & General Counsel · 2026-08-30
Tax withholding
$4K
MILLER DAVID (JAMES)
VP & General Counsel · 2026-08-29
Option exercise
2,370 sh
MILLER DAVID (JAMES)
VP & General Counsel · 2026-08-29
D-Return
$26K
MILLER DAVID (JAMES)
VP & General Counsel · 2026-08-29
Tax withholding
$10K
MILLER DAVID (JAMES)
VP & General Counsel · 2026-08-27
Option exercise
1,702 sh
MILLER DAVID (JAMES)
VP & General Counsel · 2026-08-27
D-Return
$19K
MILLER DAVID (JAMES)
VP & General Counsel · 2026-08-27
Tax withholding
$7K
MILLER DAVID (JAMES)
VP & General Counsel · 2026-08-27
Option exercise
1,607 sh
MILLER DAVID (JAMES)
VP & General Counsel · 2026-08-27
D-Return
$18K
MILLER DAVID (JAMES)
VP & General Counsel · 2026-08-27
Tax withholding
$7K
MILLER DAVID (JAMES)
VP & General Counsel · 2026-08-25
Award
5,432 sh
Each row links to the underlying SEC filing. Sells are shown for transparency, not as a signal — see the insider trading article for why.
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