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Insider filing · PRTA

William P Scully bought $835K of Prothena (PRTA)

Executed Oct 13, disclosed Oct 15, 2 days later.

Value, as filed
$835K
100,000 sh × $8.35
Executed
Oct 13
the trade date, as filed
Disclosed
Oct 15
2 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
not yet measured

Not yet measured: the 21-session window has not closed, or the prices around it are not on record.

The filer
WS William P Scully 10% owner profile →

William P Scully (10% owner) filed 15 Form 4 reports in the trailing twelve months (15 purchases, 0 sales), most often in Prothena Corporation plc (PRTA). Across 13 priced purchase filings, the average 21-session return was +2.1% from execution and -0.6% from disclosure (delay-adjusted; derived). The largest single filing was $1.8M of PRTA (215,000 sh across 2 lots, as filed), executed Oct 7.

The name
PRTA Prothena Corporation plc PRTA · Healthcare · 17 filings in 24 months ticker →

Healthcare · Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat dis…

More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→
Other filings by William P Scully in PRTA
PRTAPURCHASE Prothena Corporation plc $1.2M
150,000 sh across 2 lots
Exec Oct 22
Filed Oct 26 · 4:20 PM ET PRTAPURCHASE Prothena Corporation plc $1.8M
215,000 sh across 2 lots
Exec Oct 7
Filed Oct 9 · 9:43 AM ET PRTAPURCHASE Prothena Corporation plc $857K
100,000 sh × $8.57
Exec Oct 2
Filed Oct 6 · 1:53 PM ET PRTAPURCHASE Prothena Corporation plc $1.4M
162,000 sh × $8.68
Exec Sep 29
Filed Sep 30 · 5:10 PM ET PRTAPURCHASE Prothena Corporation plc $890K
103,500 sh × $8.60
Exec Sep 28
Filed Sep 29 · 5:37 PM ET PRTAPURCHASE Prothena Corporation plc $843K
100,000 sh × $8.43
Exec Sep 18
Filed Sep 21 · 4:23 PM ET PRTAPURCHASE Prothena Corporation plc $256K
27,000 sh × $9.47
Exec Sep 2
Filed Sep 3 · 6:23 PM ET PRTAPURCHASE Prothena Corporation plc $439K
50,000 sh × $8.79
Exec Aug 20
Filed Aug 21 · 2:32 PM ET