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TA Insider Trading

Insider Ownership Percentage: 0.21%
Insider Buying (Last 12 Months): C$815,348.00
Insider Selling (Last 12 Months): C$1,707,408.70

TransAlta Insider Trading History Chart

This chart shows the insider buying and selling history at TransAlta by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

TransAlta Share Price & Price History

Current Price: C$18.34
Price Change: ▼ Price Decrease of -0.02 (-0.11%)
As of 10/8/2026 04:00 PM ET

This chart shows the closing price history over time for TA up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

TransAlta Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
9/15/2026Michael PoliteskiInsiderBuy5,000C$16.02C$80,100.0090,000
8/4/2026Michael PoliteskiInsiderBuy10,000C$17.77C$177,700.0085,000
6/19/2026Michael PoliteskiInsiderBuy10,000C$19.58C$195,800.0075,000
6/9/2026Nancy Angenita JohnsonInsiderBuy250C$17.48C$4,370.00650
6/8/2026Nancy Angenita JohnsonInsiderBuy200C$17.39C$3,478.00400
6/5/2026Michael PoliteskiInsiderBuy10,000C$18.15C$181,500.0065,000
5/21/2026Jane Nyla FedoretzInsiderSell10,000C$18.25C$182,500.0049,906
5/13/2026Michael PoliteskiInsiderBuy10,000C$17.24C$172,400.0055,000
5/8/2026Jane Nyla FedoretzInsiderSell5,000C$17.60C$88,000.0059,906
5/7/2026Jane Nyla FedoretzInsiderSell10,000C$17.45C$174,500.0074,906
3/31/2026Jane Nyla FedoretzInsiderSell7,000C$18.15C$127,050.0084,453
3/30/2026Jane Nyla FedoretzInsiderSell5,000C$17.66C$88,300.0091,453
3/26/2026Christopher Douglas FralickInsiderSell36,453C$17.90C$652,508.7046,939
3/24/2026Jane Nyla FedoretzInsiderSell7,500C$17.70C$132,750.0096,453
3/24/2026Jane Nyla FedoretzInsiderSell10,000C$17.45C$174,500.00103,953
3/12/2026Jane Nyla FedoretzInsiderSell5,000C$17.46C$87,300.00113,953
6/4/2025Blain Mitchell Van MelleSenior OfficerSell5C$14.17C$70.85
3/6/2025Kerry Lynn O'reillySenior OfficerSell5C$14.21C$71.05
2/27/2025Joel E. HunterSenior OfficerBuy45,000C$14.99C$674,752.50
12/18/2024John Harry KousiniorisDirectorSell35,179C$20.73C$729,260.67
12/16/2024Jane Nyla FedoretzSenior OfficerSell10,000C$19.41C$194,100.00
12/11/2024Jane Nyla FedoretzSenior OfficerSell3,602C$18.84C$67,861.68
12/5/2024John Harry KousiniorisDirectorSell45,000C$17.67C$795,150.00
12/2/2024Jane Nyla FedoretzSenior OfficerSell8,000C$16.30C$130,400.00
11/28/2024Jane Nyla FedoretzSenior OfficerSell8,000C$15.49C$123,920.00
11/22/2024John Harry KousiniorisDirectorSell69,982C$15.15C$1,060,227.30
11/21/2024Jane Nyla FedoretzSenior OfficerSell25,000C$15.11C$377,750.00
9/25/2024Jane Nyla FedoretzSenior OfficerSell20,000C$13.92C$278,400.00
9/10/2024Kerry Lynn O'reillySenior OfficerSell6C$12.24C$73.44
8/15/2024Jane Nyla FedoretzSenior OfficerSell10,000C$11.45C$114,500.00
8/9/2024Kerry Lynn O'reillySenior OfficerSell48,833C$10.99C$536,674.67
8/7/2024Jane Nyla FedoretzSenior OfficerSell41,378C$11.30C$467,571.40
6/17/2024Blain Mitchell Van MelleSenior OfficerSell10,000C$9.67C$96,700.00
6/13/2024Blain Mitchell Van MelleSenior OfficerSell20,000C$9.75C$194,958.00
3/20/2024Blain Mitchell Van MelleSenior OfficerSell8C$8.70C$69.60
3/18/2024Todd John StackSenior OfficerBuy2,000C$8.84C$17,670.60
3/4/2024Kerry Lynn O'reillySenior OfficerSell7C$9.36C$65.52
12/11/2023John Harry KousiniorisDirectorSell76,941C$10.84C$834,348.20
12/4/2023Aron John WillisSenior OfficerSell35,454C$11.08C$392,830.32
11/28/2023Kerry Lynn O'reillySenior OfficerSell5C$11.06C$55.30
11/23/2023Kerry Lynn O'reillySenior OfficerSell44,063C$11.01C$485,133.63
See Full Table

SEC Filings (Institutional Ownership Changes) for TransAlta (TSE:TA)

29.65% of TransAlta stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

TransAlta logo
TransAlta owns, operates and develops a diverse fleet of electrical power generation assets in Canada, the United States and Australia with a focus on long-term shareholder value. TransAlta provides municipalities, medium and large industries, businesses and utility customers with affordable, energy efficient and reliable power. Today, TransAlta is one of Canada's largest producers of wind power and Alberta's largest producer of thermal generation and hydro-electric power. For over 114 years, TransAlta has been a responsible operator and a proud member of the communities where we operate and where our employees work and live. TransAlta aligns its corporate goals with the UN Sustainable Development Goals and the Future-Fit Business Benchmark, which also defines sustainable goals for businesses.
Read More on TransAlta

Today's Range

Now: C$18.34
Low: C$18.10
High: C$18.51

50 Day Range

MA: C$17.15
Low: C$16.02
High: C$18.63

52 Week Range

Now: C$18.34
Low: C$15.62
High: C$25.03

Volume

1,952,612 shs

Average Volume

1,676,286 shs

Market Capitalization

C$5.80 billion

P/E Ratio

N/A

Dividend Yield

1.57%

Beta

0.544129

Who are the company insiders with the largest holdings of TransAlta?

TransAlta's top insider shareholders include:
  1. Dawn Lorraine Farrell (Director)
  2. John Harry Kousinioris (Director)
  3. Jane Nyla Fedoretz (Insider)
  4. Michael Politeski (Insider)
  5. Dawn Elizabeth De Lima (Senior Officer)
  6. Jane Nyla Fedoretz (Senior Officer)
  7. Kerry Lynn O'reilly (Senior Officer)
  8. Brett Gellner (Senior Officer)
  9. Christopher Douglas Fralick (Insider)
  10. Todd John Stack (Senior Officer)
Learn More about top insider investors at TransAlta.