Stock research log
$PRTA Insider Trading
Prothena Corporation plc
5
Alerts Listed
3
Insider Buys 30d
0
Insider Sells 30d
This page is InsiderWatch’s research log for PRTA: the alerts we sent on this stock, timestamped, plus recent insider buying and selling reported to the SEC on Form 4.
Price and Our Alerts
$PRTA price
Daily closing prices
3M change
-8.0%
1Y high
$11.51
1Y low
$7.89
Our alerts
5
in this window
Prices from public market data and may be delayed. Markers show the days our alerts on this stock fired. Not investment advice.
Our Alerts on $PRTA
| Sent (ET) | Call | Alert |
|---|---|---|
| Oct 26, 4:22 PM | NEUTRAL | Prothena major holder extends $8.1M buying streak |
| Oct 6, 1:54 PM | NEUTRAL | Prothena major holder keeps buying, $4.2M in two months |
| Sep 29, 5:38 PM | NEUTRAL | Prothena insider keeps buying, $1.9M over 50 days |
| Sep 3, 6:24 PM | BULLISH | Prothena insider accumulates $1M, still buying higher |
| Aug 21, 2:33 PM | BULLISH | Prothena 10% owner buys $439K of stock |
Every alert we sent on PRTA is listed after a short delay, in the order it went out. The call shown is the one in the alert as sent.
Recent Insider Activity
Open-market buys and sells in PRTA by the company’s own officers, directors, and large holders, as reported to the SEC on Form 4 in roughly the last 30 days. New to the filing? Read what a Form 4 is and what the transaction codes mean.
Daily buy vs sell dollars
Open-market insider filings that passed the significance gates, last 30 days
Bought
$4.0M
30 days
Sold
$0
30 days
Net flow
+$4.0M
buying leads
Active days
3
with gated filings
| Filed (ET) | Insider | Action | Value |
|---|---|---|---|
| Oct 26 | SCULLY WILLIAM P10% owner | BUY | $1.2M |
| Oct 15 | SCULLY WILLIAM P10% owner | BUY | $920k |
| Oct 9 | SCULLY WILLIAM P10% owner | BUY | $1.8M |
| Oct 6 | SCULLY WILLIAM P10% owner | BUY | $857k |
| Sep 30 | SCULLY WILLIAM P10% owner | BUY | $1.4M |
| Sep 29 | SCULLY WILLIAM P10% owner | BUY | $890k |
| Sep 3 | SCULLY WILLIAM P10% owner | BUY | $256k |
| Aug 21 | SCULLY WILLIAM P10% owner | BUY | $439k |
| Aug 10 | SCULLY WILLIAM P10% owner | BUY | $323k |
Sourced from public SEC Form 4 filings. Buys shown are open-market purchases; routine grants and plan sales are filtered out before a trade reaches this log.
See the research log across all stocks, this week’s insider buying, or the congress trading tracker.
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Try Free for 7 DaysInsiderWatch is an informational research service based on publicly available information only and is not financial, investment, legal, or tax advice. The call shown is a reading of the event, not a recommendation to trade.