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TransAlta Corporation (TAC)

TransAlta Corporation at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

TransAlta Corporation (TAC) is a Independent Power Producers company based in CA with a market capitalization of $4.2B. Revenue declined 15.5% year-over-year and the company generated $279.3M in free cash flow. This page tracks TAC's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

CA · 1.17K employees · IPO Jul 31, 2001

Valuation

Valuation & price

$12.78 · as of May 17, 2026 · -27.9% vs 52w high

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P/E ratio

Latest-FY diluted EPS

3.00

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$17.73$14.15$10.57Jul 25Dec 25Jul 26Jul 7, 25$10.60Jul 9, 25$10.57Jul 11, 25$11.41Jul 15, 25$11.71Jul 17, 25$12.08Jul 21, 25$12.25Jul 23, 25$12.59Jul 25, 25$12.27Jul 29, 25$12.14Jul 31, 25$12.05Aug 4, 25$12.52Aug 6, 25$12.17Aug 11, 25$12.00Aug 13, 25$12.25Aug 15, 25$12.34Aug 19, 25$12.37Aug 21, 25$12.31Aug 25, 25$12.16Aug 27, 25$12.07Aug 29, 25$12.30Sep 3, 25$12.04Sep 5, 25$12.28Sep 9, 25$12.35Sep 11, 25$12.65Sep 16, 25$12.93Sep 18, 25$13.47Sep 22, 25$13.86Sep 24, 25$13.64Sep 26, 25$13.62Sep 30, 25$13.67Oct 2, 25$13.70Oct 6, 25$14.67Oct 8, 25$15.61Oct 10, 25$15.59Oct 14, 25$16.73Oct 16, 25$16.96Oct 21, 25$16.71Oct 23, 25$17.23Oct 27, 25$17.00Oct 29, 25$17.73Oct 31, 25$17.67Nov 4, 25$16.68Nov 6, 25$14.94Nov 10, 25$15.77Nov 12, 25$15.26Nov 14, 25$14.58Nov 18, 25$14.42Nov 20, 25$13.84Nov 25, 25$14.00Nov 28, 25$14.55Dec 2, 25$14.06Dec 4, 25$14.26Dec 8, 25$14.11Dec 10, 25$14.46Dec 12, 25$13.85Dec 16, 25$13.58Dec 18, 25$12.57Dec 22, 25$12.46Dec 24, 25$12.73Dec 29, 25$12.72Jan 2, 26$13.02Jan 6, 26$12.72Jan 8, 26$12.20Jan 12, 26$12.18Jan 14, 26$12.10Jan 16, 26$12.56Jan 21, 26$12.36Jan 23, 26$12.70Jan 27, 26$13.81Jan 29, 26$13.55Feb 2, 26$12.76Feb 4, 26$12.59Feb 9, 26$13.61Feb 11, 26$13.54Feb 13, 26$13.58Feb 18, 26$13.39Feb 20, 26$13.50Feb 24, 26$13.04Feb 26, 26$13.03Mar 2, 26$13.81Mar 4, 26$13.25Mar 6, 26$12.72Mar 10, 26$12.73Mar 12, 26$12.76Mar 17, 26$12.55Mar 19, 26$12.41Mar 23, 26$12.03Mar 25, 26$13.06Mar 27, 26$12.92Mar 31, 26$13.10Apr 2, 26$13.48Apr 7, 26$13.54Apr 9, 26$13.83Apr 13, 26$13.68Apr 15, 26$13.68Apr 17, 26$12.66Apr 22, 26$12.28Apr 24, 26$12.49Apr 28, 26$12.71Apr 30, 26$12.48May 4, 26$12.62May 6, 26$12.79May 8, 26$12.76May 12, 26$12.58May 14, 26$12.95May 18, 26$12.46May 20, 26$12.98May 22, 26$13.57May 28, 26$14.03Jun 1, 26$14.16Jun 3, 26$14.46Jun 5, 26$12.68Jun 9, 26$12.46Jun 11, 26$13.37Jun 15, 26$13.57Jun 17, 26$13.56Jun 22, 26$13.85Jun 24, 26$13.69Jun 26, 26$13.80Jul 2, 26$13.47
$10.4252-week range$17.73
Loading valuation history…

Fundamentals

Key fundamentals

$4.2B

Market cap

-15.5%

Revenue growth (YoY)

32.6%

Gross margin

$279.3M

Free cash flow (USD)

$4.2B

Net debt

0.3%

Share dilution

2/5

Graham criteria passed

Defensive-investor screen

Utilities

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$2.4BFY 2017$2.3BFY 2018$2.2BFY 2019$2.3BFY 2020$2.1BFY 2021$2.7BFY 2022$3.0BFY 2023$3.4BFY 2024$2.8BFY 2025$2.4B
$2.4B$2.4B

Free cash flow by year

2016 → 2025

FY 2016$365.0MFY 2017$237.0MFY 2018$523.0MFY 2019$418.0MFY 2020$202.0MFY 2021$512.0MFY 2022$-72.0MFY 2023$576.0MFY 2024$475.0MFY 2025$396.7M
$365M$396.7M

Gross margin by year

2021 → 2025

FY 202154.7%FY 202254.9%FY 202365.1%FY 202463.1%FY 202532.6%
54.7%32.6%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 6-K filed Jun 30, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Quarterly reportInterim Results (6-K)Jun 30, 2026Filing
  • 6-K filingRegulatory UpdateJun 15, 2026Filing
  • 6-K filingCapital RaiseJun 9, 2026Filing
  • 6-K filingCapital RaiseJun 9, 2026Filing
  • 6-K filingUnderwriting AgreementJun 5, 2026Filing
  • 6-K filingAcquisition AnnouncedJun 4, 2026Filing
  • Quarterly reportQuarterly Report FiledMay 6, 2026Filing
  • Quarterly reportQuarterly Report FiledMay 6, 2026Filing
  • 6-K filingVoting ResultsMay 1, 2026Filing
  • 6-K filingAnnual Meeting ResultsMay 1, 2026Filing

Questions

Frequently asked questions

What is TransAlta Corporation's market cap?

TransAlta Corporation (TAC) has a market capitalization of $4.2B.

What is TAC's P/E ratio?

A meaningful P/E ratio is not available for TAC — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is TAC's price-to-book (P/B) ratio?

TAC trades at 3.00 times book value per share.

Are insiders buying TAC stock?

SEC Form 4 filings show no open-market insider buys at TransAlta Corporation in the last 90 days (0 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.