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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 2026-10-02 11:02
Tx date 2026-10-01
$TA
TransAlta Corporation
ARNOLD, Grant Arthur
5 - Senior Officer of Issuer
Direct Ownership
RSU (Restricted Share Units)
56 - Grant of rights
$617.90
+37 vol
$16.70 each
8,757
Filed 2026-10-02 11:01
Tx date 2026-10-01
$TA
TransAlta Corporation
ARNOLD, Grant Arthur
5 - Senior Officer of Issuer
Direct Ownership
PSU (Performance Share Units)
56 - Grant of rights
$1,352
+81 vol
$16.70 each
19,266
Filed 2026-07-03 10:25
Tx date 2026-07-01
$TA
TransAlta Corporation
ARNOLD, Grant Arthur
5 - Senior Officer of Issuer
Direct Ownership
RSU (Restricted Share Units)
56 - Grant of rights
$605.12
+31 vol
$19.52 each
8,720
Filed 2026-07-03 10:24
Tx date 2026-07-01
$TA
TransAlta Corporation
ARNOLD, Grant Arthur
5 - Senior Officer of Issuer
Direct Ownership
PSU (Performance Share Units)
56 - Grant of rights
$1,327
+68 vol
$19.52 each
19,185
Filed 2026-05-14 17:01
Tx date 2026-05-14
$TA
TransAlta Corporation
ARNOLD, Grant Arthur
5 - Senior Officer of Issuer
Direct Ownership
RSU (Restricted Share Units)
56 - Grant of rights
$151,014
+8,689 vol
$17.38 each
8,689
Filed 2026-05-14 17:01
Tx date 2026-05-06
$TA
TransAlta Corporation
ARNOLD, Grant Arthur
5 - Senior Officer of Issuer
Direct Ownership
RSU (Restricted Share Units)
00 - Opening Balance-Initial SEDI Report
Filed 2026-05-14 17:00
Tx date 2026-05-14
$TA
TransAlta Corporation
ARNOLD, Grant Arthur
5 - Senior Officer of Issuer
Direct Ownership
PSU (Performance Share Units)
56 - Grant of rights
$332,253
+19,117 vol
$17.38 each
19,117
Filed 2026-05-14 16:59
Tx date 2026-05-06
$TA
TransAlta Corporation
ARNOLD, Grant Arthur
5 - Senior Officer of Issuer
Direct Ownership
PSU (Performance Share Units)
00 - Opening Balance-Initial SEDI Report
Filed 2026-05-14 16:59
Tx date 2026-05-14
$TA
TransAlta Corporation
ARNOLD, Grant Arthur
5 - Senior Officer of Issuer
Direct Ownership
Options
50 - Grant of options
$347,652
+20,003 vol
$17.38 each
20,003
Filed 2026-05-14 16:58
Tx date 2026-05-06
$TA
TransAlta Corporation
ARNOLD, Grant Arthur
5 - Senior Officer of Issuer
Direct Ownership
Options
00 - Opening Balance-Initial SEDI Report