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PROTHENA CORP PUBLIC LTD CO

PRTA

Latest QuantConomy context for PRTA: asset profile, market coverage, scored signals, and source-linked SEC insider filings when available.

Asset class
stock
Primary venue
NASDAQ
Recent signals
3
SEC filings
20
Asset profile

PROTHENA CORP PUBLIC LTD CO

QuantConomy has a structured record for PRTA. More descriptive asset metadata will appear here when the platform record includes it.

Symbol
PRTA
Name
PROTHENA CORP PUBLIC LTD CO
Coverage
3 market/data records
Sources
alpaca fmp alphavantage sec nasdaq openfigi
Latest signal rows

Recent signals for PRTA

Scored rows are pulled from the same signal API used by the digests.

Signal Direction Score Observed Reason
earnings release
neutral
40
Feb 19, 12:00 AM PRTA filed an earnings release (8-K Item 2.02 - Results of Operations and Financial Condition) on 2026-02-19. Release-event signal only: confirms results were published, not the figures vs. estimates (no surprise/guidance read).
large purchase
very bullish
35
Jun 12, 10:02 PM SCULLY WILLIAM P purchased PRTA shares ($1.02M) - 125000 shares - [weak very bullish signal]
other event
neutral
40
May 15, 08:40 PM PRTA filed 8-K: Shareholder Vote Results - [weak neutral signal]

EARNINGS signals are experimental: currently limited to neutral pre-earnings calendar awareness (no transcript analysis).

Market coverage

Market Exchange Source Asset record
PRTA NASDAQ alpaca Prothena Corporation plc Ordinary Shares
PRTA NASDAQ fmp Prothena Corporation plc
PRTA NASDAQ alphavantage Prothena Corporation plc

Recent insider transactions

Buys, last 90d
5
Sells, last 90d
0
Rows
20
Date Insider Role Type Shares Price Value Filing
Jun 16, 2026 SCULLY WILLIAM P Insider purchase 20,000 $7.90 $157,990 4 on EDGAR
Jun 15, 2026 SCULLY WILLIAM P Insider gift 325,000 $0.00 $0 4 on EDGAR
Jun 11, 2026 SCULLY WILLIAM P Insider purchase 125,000 $8.17 $1,021,225 4 on EDGAR
Isaacs Michael John General Counsel & Company Sec. 3 on EDGAR
Jun 4, 2026 SCULLY WILLIAM P Insider purchase 50,000 $9.31 $465,295 4 on EDGAR
Jun 2, 2026 SCULLY WILLIAM P Insider purchase 50,000 $9.43 $471,300 4 on EDGAR
May 22, 2026 SCULLY WILLIAM P Insider purchase 100,000 $9.81 $981,300 4 on EDGAR
May 15, 2026 Cooke Shane Director grant 27,000 4 on EDGAR
May 15, 2026 COLLIER RICHARD T Director grant 27,000 4 on EDGAR
May 15, 2026 Dunn William H. Jr. Director grant 27,000 4 on EDGAR
May 15, 2026 Ekman Lars Director grant 27,000 4 on EDGAR
May 15, 2026 WELCH DANIEL G Director grant 27,000 4 on EDGAR
May 15, 2026 Selkoe Dennis J. Director grant 27,000 4 on EDGAR
SCULLY WILLIAM P Insider 3 on EDGAR
Apr 10, 2026 Kingston Anne Evans Chief Strategy Officer grant 100,000 4 on EDGAR
Kingston Anne Evans Chief Strategy Officer 3 on EDGAR
Mar 3, 2026 Nguyen Tran Chief Strategy Officer and CFO grant 230,000 4 on EDGAR
Mar 3, 2026 Walker Karin L Chief Accounting Officer grant 150,000 4 on EDGAR
Mar 3, 2026 Smith Brandon S. Chief Operating Officer grant 190,000 4 on EDGAR
Mar 3, 2026 Zago Wagner M. Chief Scientific Officer grant 190,000 4 on EDGAR

Source: SEC filings via QuantConomy. Not investment advice.

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