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$MATR
Mattr Corp.

Insider trades, federal contracts, grants and lobbying records for $MATR, read out of the public record.

2Signals
2Insider Sales
Insider Sale $MATR
Mattr Corp. 10% holder Elizabeth Kernaghan just sold $8.4M of stock
Elizabeth Kernaghan, 10% holder of Mattr Corp. (TSX:MATR), unloaded 399,700 Common Shares at an average of $21.07 — a $8.4M sale between Sep 18, 2026 and Sep 22, 2026. The sale trims about 6...
Insider Sale $MATR
Mattr Corp. 10% holder Edward Hume Kernaghan just sold $1.1M of stock
Edward Hume Kernaghan, 10% holder of Mattr Corp. (TSX:MATR), unloaded 52,300 Common Shares at an average of $20.92 — a $1.1M sale on Sep 18, 2026. The sale trims about 30% of their position....
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