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Friday 9 October 2026 · Oil, gas and mining explorers, from their own disclosures

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ULTRA PETROLEUM CORP

6 story beats from 2007 to 2020

The story so far

The events that changed the company's story, in plain English, each written against everything known about the company at the time. The dot shows whether it was good, bad or neutral for shareholders.

shares on issue market cap (log scale)

2020200m shares · US$330m market cap

  1. 15 Sept

    ULTRA PETROLEUM CORP terminated the registration of a class of securities, ending its reporting obligation for them.

    listing compliance notice

    200m shUS$330m

2019198m shares · US$31.7m market cap

  1. 22 Aug

    ULTRA PETROLEUM CORP's exchange filed to remove a class of its securities from listing.

    listing compliance notice

    198m shUS$31.7m

201780.0m shares

  1. 12 Apr

    Nasdaq certified ULTRA PETROLEUM CORP's securities for listing, clearing them to begin trading.

    listing compliance notice

    80.0m sh

2016153m shares · US$47.9m market cap

  1. 19 May

    ULTRA PETROLEUM CORP's exchange filed to remove a class of its securities from listing.

    listing compliance notice

    153m shUS$47.9m

2007

  1. 2 Aug

    ULTRA PETROLEUM CORP's securities were notified for removal from listing and registration on its exchange.

    listing compliance notice

  2. 1 Aug

    the New York Stock Exchange certified ULTRA PETROLEUM CORP's securities for listing, clearing them to begin trading.

    listing compliance notice