• Sep 15, 2026

  $6.61-0.75%

• Sep 14, 2026

  $6.66-5.13%

  Shares fell 5.13% while the broader market, as measured by the S&P 500 ETF, was roughly flat, down 0.45% [1]. The decline was not shared by the broad market that day [1].

  • 1Broad market

• Sep 11, 2026

  $7.02-4.36%

  Shares fell 4.36% while the broad market, as measured by the S&P 500 ETF, rose 0.85% the same session, meaning the decline was not shared by the wider market [1].

  • 1Broad market

• Sep 10, 2026

  $7.34-2.65%

  Lightbridge announced that CEO Seth Grae would speak at nuclear and power industry events in Zurich and New York [1]. The stock fell 2.65% on the day while the S&P 500 ETF (SPY) fell 0.60%, so the decline was larger than the move in the broad market [2].

  • 1Globenewswire
  • 2Broad market

• Sep 9, 2026

  $7.54-4.44%

  Lightbridge shares fell 4.44% the same day the company announced it had secured access to Idaho National Laboratory's Advanced Test Reactor Loop Facility to irradiate its clad Lightbridge Fuel rodlets under prototypic commercial reactor conditions [1]. The decline came even as the broad market, measured by the S&P 500 ETF, moved only -0.46%, so the drop was not shared by the broader market [2].

  • 1Globenewswire
  • 2Broad market

• Sep 8, 2026

  $7.89+4.09%

  Lightbridge shares rose 4.09% on a day when the broader market, as measured by the S&P 500 ETF, fell 0.55%, meaning the gain was not shared by the broad market [1].

  • 1Broad market

• Sep 4, 2026

  $7.58+1.34%

Closing prices for LTBR. Summaries describe past sessions only and are not advice, a forecast or a recommendation.

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