1 unchanged sentence
Market Information
−Removed: Our common stock trades on The Nasdaq Stock Market, LLC under the symbol “PTGX.” Prior to August 11, 2016, there was no public market for our common stock.
−Removed: As of the close of business on February 15, 2022, there were two stockholders of record of our common stock.
+Added: Our common stock trades on The Nasdaq Stock Market, LLC under the symbol “PTGX.”
+Added: As of the close of business on March 2, 2023, there were two stockholders of record of our common stock.
The number of stockholders of record is based upon the actual number of stockholders registered at such date and does not include holders of shares in “street names” or persons, partnerships, associates, or corporations, or other entities identified in security listings maintained by depositories.
2 unchanged sentences
Performance Graph
−Removed: The following is not deemed “filed” with the Securities and Exchange Commission and is not to be incorporated by reference into any filing we make under the Securities Act of 1933, as amended, whether made before or after the date hereof and irrespective of any general incorporation by reference language in such filing.
−Removed: The graph below shows the cumulative total stockholder return assuming the investment on the date specified in each of our common stock, the Nasdaq Composite Index, the Nasdaq Biotechnology Index, and the Nasdaq Pharmaceutical Index.
−Removed: The graph tracks the performance of a $100 investment in our common stock and in each index (with the reinvestment of all dividends) from December 31, 2016 to December 31, 2021.
+Added: The following is not deemed “filed” with the Securities and Exchange Commission and shall not be incorporated by reference into any filing we make under the Securities and Exchange Act of 1934, as amended, or the Securities Act of 1933, as amended, whether made before or after the date hereof and irrespective of any general incorporation by reference language in such filing.
+Added: The graph below shows the cumulative total stockholder return assuming an investment on December 31, 2017 in each of our common stock, the Nasdaq Composite Index, the Nasdaq Biotechnology Index, and the Nasdaq Pharmaceutical Index.
+Added: The graph compares the performance of a $100 investment in our common stock and in each index (assuming reinvestment of all dividends) from December 31, 2017 to December 31, 2022.
Sale of Unregistered Securities
−Removed: Repurchases of Shares or of Company Equity Securities
+Added: Issuer Purchases of Equity Securities
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.