Bought
~$1.41M162K sh @ $8.68
Traded Sep 29 · filed 2 days later
A major shareholder of Prothena Corp Public paid $1.41M out of pocket for Prothena Corp Public shares. The Prothena Corp Public shares held grew by 312%.
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Traded Oct 2, 2026 · Filed Oct 6, 2026
A major shareholder of Prothena Corp Public paid $857K out of pocket for Prothena Corp Public shares. The Prothena Corp Public shares held grew by 47%.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
open market purchase
Code P — open-market or private purchase
~$857,240
Shares × reported transaction price
$500K–$1M
+46.7%
Purchase shares ÷ estimated pre-transaction holdings, from the filing
First purchase in 1 month
Confirmed open-market purchases by the same insider in the available history
No
Compared with 2 earlier confirmed purchases
No other insider purchases within 30 days
Distinct insiders at the same issuer with confirmed open-market purchases
57 days after results of Aug 6, 2026
Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results
None found in footnotes
Only flagged when a footnote says so; never inferred
Traded Sep 29 · filed 2 days later
A major shareholder of Prothena Corp Public paid $1.41M out of pocket for Prothena Corp Public shares. The Prothena Corp Public shares held grew by 312%.
Traded Sep 28 · filed 2 days later
A major shareholder of Prothena Corp Public paid $890K out of pocket for Prothena Corp Public shares. The Prothena Corp Public shares held grew by 124%.