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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 2026-09-18 11:36
Tx date 2026-09-16 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Direct Ownership
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan 		$34,509
+2,084 vol
$16.56 each 		2,084
Filed 2026-09-16 12:12
Tx date 2026-09-16 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Direct Ownership
DSU (Deferred Share Units)
56 - Grant of rights 		$49,996
+3,010 vol
$16.61 each 		187,489
Filed 2026-08-28 13:31
Tx date 2026-08-27 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Holder: RRIF John Dielwart (Indirect Ownership)
Common Shares
90 - Change in the nature of ownership
+24,001 vol 		70,701
Filed 2026-08-28 13:30
Tx date 2026-08-27 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Direct Ownership
Common Shares
90 - Change in the nature of ownership
-24,001 vol 		0
Filed 2026-07-03 10:28
Tx date 2026-07-01 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Direct Ownership
DSU (Deferred Share Units)
56 - Grant of rights 		$12,668
+649 vol
$19.52 each 		184,479
Filed 2026-06-18 17:22
Tx date 2026-06-17 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Direct Ownership
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan 		$35,386
+1,838 vol
$19.25 each 		24,001
Filed 2026-06-16 17:25
Tx date 2026-06-16 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Direct Ownership
DSU (Deferred Share Units)
56 - Grant of rights 		$50,013
+2,748 vol
$18.20 each 		183,830
Filed 2026-04-06 16:50
Tx date 2026-04-01 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Direct Ownership
DSU (Deferred Share Units)
56 - Grant of rights 		$11,536
+642 vol
$17.97 each 		181,082
Filed 2026-03-27 12:50
Tx date 2026-03-23 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Holder: RRIF Anna Dielwart (Indirect Ownership)
Common Shares
90 - Change in the nature of ownership
+500 vol 		500
Filed 2026-03-27 12:49
Tx date 2014-10-01 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Holder: RRIF Anna Dielwart (Indirect Ownership)
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2026-03-27 12:49
Tx date 2026-03-23 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Holder: RRSP (Indirect Ownership)
Common Shares
90 - Change in the nature of ownership
-500 vol 		0
Filed 2026-03-27 12:47
Tx date 2026-03-23 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Holder: RRIF John Dielwart (Indirect Ownership)
Common Shares
90 - Change in the nature of ownership
+46,700 vol 		46,700
Filed 2026-03-27 12:47
Tx date 2014-10-01 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Holder: RRIF John Dielwart (Indirect Ownership)
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2026-03-27 12:46
Tx date 2026-03-23 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Holder: RRSP (Indirect Ownership)
Common Shares
90 - Change in the nature of ownership
-46,700 vol 		500
Filed 2026-03-17 15:17
Tx date 2026-03-16 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Direct Ownership
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan 		$34,520
+2,039 vol
$16.93 each 		22,163
Filed 2026-03-17 15:12
Tx date 2026-03-16 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Direct Ownership
DSU (Deferred Share Units)
56 - Grant of rights 		$49,991
+2,888 vol
$17.31 each 		180,440
Filed 2026-01-05 10:45
Tx date 2026-01-01 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Direct Ownership
DSU (Deferred Share Units)
56 - Grant of rights 		$11,359
+654 vol
$17.37 each 		177,552
Filed 2025-12-17 10:47
Tx date 2025-12-16 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Direct Ownership
DSU (Deferred Share Units)
56 - Grant of rights 		$41,265
+2,100 vol
$19.65 each 		176,898
Filed 2025-12-17 10:45
Tx date 2025-12-16 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Direct Ownership
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan 		$29,489
+1,577 vol
$18.70 each 		20,124
Filed 2025-10-02 16:23
Tx date 2025-10-01 		$TA
TransAlta Corporation 		Dielwart, John Patrick
4 - Director of Issuer
Direct Ownership
DSU (Deferred Share Units)
56 - Grant of rights 		$11,168
+590 vol
$18.93 each 		174,798