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Date Issuer Insider Transaction Amount New Balance ⓘ
The balance of securities held by registered holder at the time of the transaction. Insiders may direct multiple registered holders and hold multiple security types.
Filed 2026-05-14 10:38
Tx date 2026-05-13
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$897,014
+95,600 vol
$9.38 each
399,700
Filed 2026-05-14 10:37
Tx date 2026-05-12
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$546,848
+57,600 vol
$9.49 each
304,100
Filed 2026-05-14 10:35
Tx date 2026-05-11
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$1,898
+200 vol
$9.49 each
246,500
Filed 2026-05-14 10:35
Tx date 2026-05-11
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$81,700
+8,600 vol
$9.50 each
246,300
Filed 2026-05-14 10:34
Tx date 2026-05-11
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$3,810
+400 vol
$9.53 each
237,700
Filed 2026-05-14 10:34
Tx date 2026-05-11
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$3,811
+400 vol
$9.53 each
237,300
Filed 2026-05-14 10:34
Tx date 2026-05-11
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$12,395
+1,300 vol
$9.54 each
236,900
Filed 2026-05-14 10:33
Tx date 2026-05-11
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$50,561
+5,300 vol
$9.54 each
235,600
Filed 2026-05-14 10:33
Tx date 2026-05-11
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$187,180
+19,600 vol
$9.55 each
230,300
Filed 2026-05-13 16:30
Tx date 2026-05-13
$RIC
Richards Group Inc.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Holder: Kernwood Ltd (Indirect Ownership)
Common Shares
00 - Opening Balance-Initial SEDI Report
1,165,800
Filed 2026-05-08 12:23
Tx date 2026-05-07
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$939.00
+100 vol
$9.39 each
210,700
Filed 2026-05-08 12:23
Tx date 2026-05-07
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$34,780
+3,700 vol
$9.40 each
210,600
Filed 2026-05-08 12:23
Tx date 2026-05-07
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$10,373
+1,100 vol
$9.43 each
206,900
Filed 2026-05-08 12:22
Tx date 2026-05-07
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$28,320
+3,000 vol
$9.44 each
205,800
Filed 2026-05-08 12:22
Tx date 2026-05-07
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$85,050
+9,000 vol
$9.45 each
202,800
Filed 2026-05-08 12:22
Tx date 2026-05-06
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$75,600
+8,000 vol
$9.45 each
193,800
Filed 2026-05-01 16:23
Tx date 2026-05-01
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$28,290
+3,000 vol
$9.43 each
185,800
Filed 2026-05-01 16:23
Tx date 2026-05-01
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$34,020
+3,600 vol
$9.45 each
182,800
Filed 2026-05-01 16:21
Tx date 2026-04-30
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$939.00
+100 vol
$9.39 each
179,200
Filed 2026-05-01 16:21
Tx date 2026-04-30
$MATR
Mattr Corp.
Kernaghan, Elizabeth
3 - 10% Security Holder of Issuer
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market
$69,560
+7,400 vol
$9.40 each
179,100