TransAlta Corp (TA)

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Over the last 90 days, TransAlta Corp. saw a net insider selling of CAD 180,408. Total sell transactions amounted to CAD 619,500, while buy transactions reached CAD 419,353. The company's stock price has seen a 4.9% increase over the same period. Recent transactions include both planned purchases and significant sell-offs by senior officers.

Active buying signal · Exceptional

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Ticker: TA Exchange: TOR

• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings

Insider activity signal detected

13 activity signals detected for TransAlta Corp

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Insider trades have triggered activity signals for TransAlta Corp. Upgrade to see score, net flow, insiders and the full signal context.

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Company data & Insiders

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Trades

FRALICK, Christopher Douglas

Senior Officer of Issuer

1 purchase — total 100,000 CAD

Planned buy 6 Jul 2026

Value CA$3,064,177.77 | Price 210.26 | Shares 82,757

Cameron, Michelle Dawn

Senior Officer of Issuer

1 purchase — total 100,000 CAD

Planned buy 6 Jul 2026

Value CA$2,176,926.24 | Price 202.73 | Shares 34,848

Politeski, Michael

Senior Officer of Issuer

1 purchase — total 195,800 CAD

Buy 19 Jun 2026

Value CA$195,800.00 | Price 19.58 | Shares 10,000

Dielwart, John Patrick

Director of Issuer

1 purchase — total 35,387 CAD

Planned buy 17 Jun 2026

Value CA$35,386.65 | Price 19.25 | Shares 1,838

Johnson, Nancy Angenita

Senior Officer of Issuer

1 purchase — total 4,370 CAD

Buy 9 Jun 2026

Value CA$4,370.00 | Price 17.48 | Shares 250

Johnson, Nancy Angenita

Senior Officer of Issuer

2 purchases — total 6,954 CAD

Buy 8 Jun 2026

Value CA$3,478.00 | Price 17.39 | Shares 200

Buy 8 Jun 2026

Value CA$3,476.00 | Price 17.38 | Shares 200

Fedoretz, Jane Nyla

Senior Officer of Issuer

1 sale — total 182,500 CAD

Sale 21 May 2026

Value CA$182,500.00 | Price 18.25 | Shares 10,000

Politeski, Michael

Senior Officer of Issuer

1 purchase — total 172,363 CAD

Buy 13 May 2026

Value CA$172,363.00 | Price 17.24 | Shares 10,000

Fedoretz, Jane Nyla

Senior Officer of Issuer

2 sales — total 262,500 CAD

Sale 8 May 2026

Value CA$88,000.00 | Price 17.60 | Shares 5,000

Sale 8 May 2026

Value CA$174,500.00 | Price 17.45 | Shares 10,000

Fedoretz, Jane Nyla

Senior Officer of Issuer

1 sale — total 174,500 CAD

Sale 7 May 2026

Value CA$174,500.00 | Price 17.45 | Shares 10,000

van Melle, Blain Mitchell

Senior Officer of Issuer

1 sale — total 193,499 CAD

Sale 31 Mar 2026

Value CA$193,499.46 | Price 18.21 | Shares 10,626

Fedoretz, Jane Nyla

Senior Officer of Issuer

1 sale — total 127,050 CAD

Sale 31 Mar 2026

Value CA$127,050.00 | Price 18.15 | Shares 7,000

Fedoretz, Jane Nyla

Senior Officer of Issuer

1 sale — total 88,300 CAD

Sale 30 Mar 2026

Value CA$88,300.00 | Price 17.66 | Shares 5,000

FRALICK, Christopher Douglas

Senior Officer of Issuer

1 sale — total 652,509 CAD

Sale 26 Mar 2026

Value CA$652,508.70 | Price 17.90 | Shares 36,453

van Melle, Blain Mitchell

Senior Officer of Issuer

1 sale — total 270,000 CAD

Sale 25 Mar 2026

Value CA$270,000.00 | Price 18.00 | Shares 15,000

Fedoretz, Jane Nyla

Senior Officer of Issuer

2 sales — total 307,250 CAD

Sale 24 Mar 2026

Value CA$132,750.00 | Price 17.70 | Shares 7,500

Sale 24 Mar 2026

Value CA$174,500.00 | Price 17.45 | Shares 10,000

Dielwart, John Patrick

Director of Issuer

1 purchase — total 34,520 CAD

Planned buy 16 Mar 2026

Value CA$34,520.27 | Price 16.93 | Shares 2,039

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2026-07-07	2026-07-06	PP Planned purchase	FRALICK, Christopher Douglas Senior Officer of Issuer Officer	82,757 +44.1% 210.26 CA$3,064,178	82,757 +44.1%	210.26	CA$3,064,178
2026-07-07	2026-07-06	PP Planned purchase	Cameron, Michelle Dawn Senior Officer of Issuer Officer	34,848 +3.5% 202.73 CA$2,176,926	34,848 +3.5%	202.73	CA$2,176,926
2026-06-22	2026-06-19	B Purchase	Politeski, Michael Senior Officer of Issuer Officer	30,497 +22.8% 189.43 CA$2,447,097	30,497 +22.8%	189.43	CA$2,447,097
2026-06-18	2026-06-17	PP Planned purchase	Dielwart, John Patrick Director of Issuer Non-Executive Director	1,838 +8.3% 19.25 CA$35,387	1,838 +8.3%	19.25	CA$35,387
2026-06-09	2026-06-09	B Purchase	2.6 Johnson, Nancy Angenita Senior Officer of Issuer Officer	250 +62.5% 17.48 CA$4,370	250 +62.5%	17.48	CA$4,370
2026-06-09	2026-06-08	B Purchase	2.6 Johnson, Nancy Angenita Senior Officer of Issuer Officer	200 +100.0% 17.39 CA$3,478	200 +100.0%	17.39	CA$3,478
2026-06-09	2026-06-08	B Purchase	2.6 Johnson, Nancy Angenita Senior Officer of Issuer Officer	200 17.38 CA$3,476	200	17.38	CA$3,476
2026-05-22	2026-05-21	S Sale	2.7 Fedoretz, Jane Nyla Senior Officer of Issuer Officer	10,000 -16.7% 18.25 CA$182,500	10,000 -16.7%	18.25	CA$182,500
2026-05-14	2026-05-13	B Purchase	Politeski, Michael Senior Officer of Issuer Officer	10,000 +22.2% 17.24 CA$172,363	10,000 +22.2%	17.24	CA$172,363
2026-05-12	2026-05-08	S Sale	2.7 Fedoretz, Jane Nyla Senior Officer of Issuer Officer	5,000 -7.7% 17.60 CA$88,000	5,000 -7.7%	17.60	CA$88,000
2026-05-12	2026-05-08	S Sale	2.7 Fedoretz, Jane Nyla Senior Officer of Issuer Officer	10,000 -13.4% 17.45 CA$174,500	10,000 -13.4%	17.45	CA$174,500
2026-05-08	2026-05-07	S Sale	2.7 Fedoretz, Jane Nyla Senior Officer of Issuer Officer	10,000 -11.8% 17.45 CA$174,500	10,000 -11.8%	17.45	CA$174,500
2026-04-01	2026-03-31	S Sale	2.0 van Melle, Blain Mitchell Senior Officer of Issuer Officer	10,626 -5.9% 18.21 CA$193,499	10,626 -5.9%	18.21	CA$193,499
2026-03-31	2026-03-31	S Sale	2.7 Fedoretz, Jane Nyla Senior Officer of Issuer Officer	7,000 -7.7% 18.15 CA$127,050	7,000 -7.7%	18.15	CA$127,050
2026-03-31	2026-03-30	S Sale	2.7 Fedoretz, Jane Nyla Senior Officer of Issuer Officer	5,000 -5.2% 17.66 CA$88,300	5,000 -5.2%	17.66	CA$88,300
2026-03-27	2026-03-26	S Sale	FRALICK, Christopher Douglas Senior Officer of Issuer Officer	36,453 -43.7% 17.90 CA$652,509	36,453 -43.7%	17.90	CA$652,509
2026-03-26	2026-03-25	S Sale	2.0 van Melle, Blain Mitchell Senior Officer of Issuer Officer	15,000 -7.7% 18.00 CA$270,000	15,000 -7.7%	18.00	CA$270,000
2026-03-25	2026-03-24	S Sale	2.7 Fedoretz, Jane Nyla Senior Officer of Issuer Officer	7,500 -7.2% 17.70 CA$132,750	7,500 -7.2%	17.70	CA$132,750
2026-03-25	2026-03-24	S Sale	2.7 Fedoretz, Jane Nyla Senior Officer of Issuer Officer	10,000 -8.8% 17.45 CA$174,500	10,000 -8.8%	17.45	CA$174,500
2026-03-17	2026-03-16	PP Planned purchase	Dielwart, John Patrick Director of Issuer Non-Executive Director	2,039 +10.1% 16.93 CA$34,520	2,039 +10.1%	16.93	CA$34,520