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The closing price of Prothena Corporation plc (NASDAQ: PRTA) was $8.55 for the day, up 4.14% from the previous closing price of $8.21. In other words, the price has increased by $4.14 from its previous closing price. On the day, 1.12 million shares were traded. PRTA stock price reached its highest trading level at $8.58 during the session, while it also had its lowest trading level at $8.21.
Ratios:
Our analysis of PRTA’s different ratios will help us gain a deeper understanding of the company. For the most recent quarter (mrq), Quick Ratio is recorded 5.68 and its Current Ratio is at 5.68. In the meantime, Its Debt-to-Equity ratio is 0.03 whereas as Long-Term Debt/Eq ratio is at 0.02.
Insider Transactions:
Also, insider trades can serve as a great indicator of what management thinks about the future direction of a stock’s price. A recent insider transaction in this stock occurred on May 02 ’25 when EcoR1 Capital, LLC sold 3,317,938 shares for $8.36 per share. The transaction valued at 27,744,929 led to the insider holds 8,266,342 shares of the business.
EcoR1 Capital, LLC sold 1,984,053 shares of PRTA for $15,164,712 on May 06 ’25. The 10% Owner now owns 5,304,596 shares after completing the transaction at $7.64 per share. On May 05 ’25, another insider, EcoR1 Capital, LLC, who serves as the 10% Owner of the company, sold 977,693 shares for $8.11 each. As a result, the insider received 7,930,166 and left with 7,288,649 shares of the company.
Valuation Measures:
Investors should consider key stock statistics when deciding whether to invest or divest. In the wake of the recent closing price, PRTA now has a Market Capitalization of 460246496 and an Enterprise Value of 98592344. For the stock, the TTM Price-to-Sale (P/S) ratio is 44.51 while its Price-to-Book (P/B) ratio in mrq is 1.42. Its current Enterprise Value per Revenue stands at 9.534 whereas that against EBITDA is -0.397.
Stock Price History:
The Beta on a monthly basis for PRTA is -0.15, which has changed by -0.5810877 over the last 52 weeks, in comparison to a change of 0.18469036 over the same period for the S&P500. Over the past 52 weeks, PRTA has reached a high of $22.71, while it has fallen to a 52-week low of $4.32. The 50-Day Moving Average of the stock is 17.56%, while the 200-Day Moving Average is calculated to be -18.88%.
Shares Statistics:
PRTA traded an average of 1.26M shares per day over the past three months and 1149590 shares per day over the past ten days. A total of 53.83M shares are outstanding, with a floating share count of 43.46M. Insiders hold about 19.26% of the company’s shares, while institutions hold 78.47% stake in the company. Shares short for PRTA as of 1755216000 were 4184841 with a Short Ratio of 3.31, compared to 1752537600 on 4757454. Therefore, it implies a Short% of Shares Outstanding of 4184841 and a Short% of Float of 14.62.
