Prothena Corporation plc

(NASDAQ:PRTA)

Latest On Prothena Corporation plc (PRTA):

Date/Time Type Description Signal Details
2023-05-17 21:06 ESTNewsProthena adds former FDA neuro chief Billy Dunn to director boardN/A
2023-05-12 13:28 ESTNewsCORPORATE OVERVIEWN/A
2023-05-07 10:56 ESTNewsProthena Biosciences' Unique Approach To Protein Misfolding Could Be The FutureN/A
2023-04-13 09:43 ESTNewsWalgreens, Prothena in pact for early-stage Alzheimer’s trialN/A
2023-02-24 07:45 ESTNewsProthena Corporation plc (PRTA) Q4 2022 Earnings Call TranscriptN/A
2023-02-24 07:45 ESTNewsProthena Corporation plc 2022 Q4 - Results - Earnings Call PresentationN/A
2023-02-23 18:41 ESTNewsProthena GAAP EPS of $0.12 beats by $0.61, revenue of $49.9M beats by $20.76MN/A
2023-02-08 11:34 ESTNewsProthena: I'm Not A Buyer At A $3 Billion ValuationN/A
2023-01-31 19:19 ESTNewsProthena says Alzheimer’s candidate was safe in early-stage trialN/A
2023-01-27 12:21 ESTNewsProthena initiated at overweight at Piper Sandler on antibody platform, pipelineN/A
2023-01-17 23:22 ESTNewsProthena: 3 Alzheimer's Catalysts Will Likely Define Share Price Performance In 2023N/A
2022-12-15 14:38 ESTNewsProthena prices 3.25M shares public offeringN/A
2022-12-14 04:10 ESTNewsProthena falls over 6% after hours on proposed stock offeringN/A
2022-11-05 00:41 ESTNewsProthena drops 9% as RBC Capital Markets downgrades citing valuationN/A
2022-09-29 14:30 ESTNewsProthena: Paying A Premium To Cover All The Alzheimer's BasesN/A
2022-09-28 23:27 ESTNewsProthena climbs 80% as Bofa upgrades after rivals’ Alzheimer’s dataN/A
2022-08-09 06:51 ESTNewsProthena GAAP EPS of -$0.88 misses by $0.31N/A
2022-08-05 22:42 ESTNewsProthena Q2 2022 Earnings PreviewN/A
2022-05-05 08:14 ESTNewsProthena Q1 2022 Earnings PreviewN/A
2022-04-06 20:06 ESTNewsElectric vehicle stocks are sliding with Shanghai COVID outbreak threatening the supply chainN/A
2022-03-31 16:13 ESTNewsProthena Corporation (PRTA) Investor Presentation - SlideshowN/A
2022-03-29 08:38 ESTNewsProthena's PRX012 for Alzheimer’s gets FDA nod to enter clinical trialN/A
2022-03-16 09:17 ESTNewsProthena plans IND filing for Alzheimer’s candidate in 2023N/A
2022-02-18 00:00 ESTNewsProthena GAAP EPS of -$0.71, revenue of $1.17MN/A
2022-02-18 00:00 ESTNewsProthena Corporation plc (PRTA) CEO Gene Kinney on Q4 2021 Results - Earnings Call TranscriptN/A
2022-01-19 01:38 ESTNewsEV stock roundup: Blink Charging and Hyzon Motors rally while startup names struggleN/A
2021-12-01 07:18 ESTNewsProthena: A Biotech Company With A Promising PipelineN/A
2021-11-05 12:01 ESTNewsProthena EPS misses by $0.15, misses on revenueN/A
2021-10-01 20:00 ESTNewsProthena names Brandon Smith as COON/A
2021-08-06 09:05 ESTNewsProthena EPS misses by $0.30, misses on revenueN/A
2021-07-26 21:14 ESTNewsProthena presents new data from Alzheimer’s portfolio at AAIC 2021N/A
2021-07-24 16:19 ESTNewsProthena: Underrated Player In Alzheimer's And Parkinson's Close To Securing First Drug ApprovalN/A
2021-07-21 20:28 ESTNewsCould Lilly's donanemab, others for Alzheimer's get a boost from Biogen approval?N/A
2021-07-21 20:28 ESTNewsProthena price target raised at Oppenheimer after FDA nod for Biogen’s Alzheimer’s therapyN/A
2021-07-21 20:20 ESTNewsProthena nears a four-year high with a Street high target from JefferiesN/A
2021-07-21 20:18 ESTNewsBiogen’s decision to halt development of anti-tau antibody in Alzheimer’s hurts rivalsN/A
2021-07-21 20:17 ESTNewsCourt decision on ACA is a positive on the sector: Bernstein, Prothena upgraded at BofA; in today’s analyst actionN/A
2021-07-21 20:12 ESTNewsProthena secures $80M from Bristol Myers for US license to PRX005N/A
2021-07-21 20:08 ESTNewsProthena: Well-Positioned In Parkinson's And Alzheimer'sN/A
2021-07-21 19:59 ESTNewsNovo Nordisk inks purchase deal for Prothena’s ATTR amyloidosis programN/A
2021-07-21 19:58 ESTNewsProthena shares lag despite up to $1.2B deal with Novo NordiskN/A
2021-04-19 15:46 ESTNewsProthena's PRX004 shows benefits in neuropathy and cardiac functionN/A
2021-04-06 07:52 ESTNewsProthena names new medical chiefN/A
2021-03-24 23:43 ESTNewsProthena trades lower after pricing public offeringN/A
2021-03-24 04:54 ESTNewsProthena commences offering of common shares; stock down 6% after-hoursN/A
2021-03-16 21:47 ESTAnalyst RatingThe Analyst Target Price has increased from $28.43 to $29.57.Buy
2021-03-01 00:15 ESTAnalyst RatingThe Analyst Target Price has increased from $26.43 to $28.43.Buy
2021-02-27 00:27 ESTNewsPremarket analyst action - healthcareN/A
2021-02-15 00:18 ESTAnalyst RatingThe Analyst Target Price has increased from $24.29 to $26.43.Buy
2021-02-12 23:25 ESTNewsProthena surges as Jefferies sees a 100% upsideN/A

About Prothena Corporation plc (PRTA):

Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company is involved in developing PRX002/RG7935 that is in Phase 2 clinical trial for treating Parkinson's disease and other related synucleinopathies; and PRX004, an antibody that is in Phase 1 clinical trial for the treatment of ATTR amyloidosis. Its discovery-stage programs include Tau for treating Alzheimer's disease, frontotemporal dementia, progressive supranuclear palsy, chronic traumatic encephalopathy, and other tauopathies; Aß, or Amyloid Beta, a protein for the treatment of Alzheimer's disease; TDP-43 for amyotrophic lateral sclerosis and frontotemporal dementia; and other products for neurodegenerative diseases. The company has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target alpha-synuclein; and a collaboration agreement with Bristol-Myers Squibb to develop antibodies. Prothena Corporation plc was founded in 2012 and is based in Dublin, Ireland.

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General

  • Name Prothena Corporation plc
  • Symbol PRTA
  • Type Common Stock
  • Exchange NASDAQ
  • Currency USD
  • Country USA
  • SectorHealthcare
  • IndustryBiotechnology
  • Full Time Employees 66
  • Fiscal Year EndDecember
  • IPO Date2012-12-21
  • Gic SectorHealth Care
  • Gic GroupPharmaceuticals, Biotechnology & Life Sciences
  • Gic IndustryBiotechnology
  • Gic SubIndustryBiotechnology
  • Web URLhttp://www.prothena.com
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Valuation

  • Price/Sales (Trailing 12 Mt.) 1078.13
  • Price/Book (Most Recent Quarter) 5.01
  • Enterprise Value Revenue 754.71
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Financials

  • Most Recent Quarter 2020-12-31
  • Current Year EPS Estimate -$1.32
  • Next Year EPS Estimate -$3.64
  • Next Quarter EPS Estimate -$0.44
  • Operating Margin -13216%
  • Return on Assets -19%
  • Return on Equity -49%
  • Revenue 853000
  • Earnings Per Share -$2.10
  • Revenue Per Share $0.02
  • Gross Profit -74031000
  • Quarterly Earnings Growth 40.6%
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Highlights

  • Market Capitalization 972.29 million
  • EBITDA -90957000
  • PE Ratio -7.51
  • PEG Ratio 0.8
  • Analyst Target Price $29.57
  • Book Value Per Share $4.61
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Share Statistics

  • Shares Outstanding 39.99 million
  • Shares Float 19.65 million
  • % Held by Insiders 5%
  • % Held by Institutions 94.7%
  • Shares Short 979672
  • Shares Short Prior Month 709034
  • Short Ratio 1.45
  • Short % of Float 3%
  • Short % of Shares Outstanding 2%
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Technicals

  • Beta 1.63
  • 52 Week High $27.2
  • 52 Week Low $8.32
  • 50 Day Moving Average 19.67
  • 200 Day Moving Average 13.91
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Dividends

  • Dividend Date N/A
  • ExDividend Date N/A
  • Dividend Yield 0%
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Prothena Corporation plc (PRTA) Dividend Calendar:

Ex-Dividend Date Payment Date Record Date Declared Date Amount

Prothena Corporation plc (PRTA) Earnings History:

Companies typically report earnings on both a quarterly and annual basis. Earnings reported that deviate from analysts' expectations can have a large impact on a stock's price.


Quarter Date Report Date Actual Revenue Reported EPS EPS Estimate Deviation from Estimate
2020-12-312021-02-11$N/A-$0.77-$0.77-0.18%
2020-09-302020-11-04$N/A-$0.77-$0.65-18.15%
2020-06-302020-08-06$N/A-$0.66-$0.62-7.32%
2020-03-312020-05-06$N/A-$0.59-$0.57-2.98%
2019-12-312020-02-12$256000-$0.54-$0.609.5%
2019-09-302019-11-05$205000-$0.49-$0.514.24%
2019-06-302019-08-06$167000-$0.40-$0.5830.56%
2019-03-312019-05-07$186000-$0.52-$0.6215.68%
2018-12-312019-02-14$194000-$0.56-$0.9541.05%
2018-09-302018-11-06$255000-$0.62-$1.0942.86%
2018-06-302018-08-07$279000-$1.50-$0.97-55.04%
2018-03-312018-05-08$227000-$1.26-$1.281.87%
2017-12-312018-02-14$229000-$1.24-$1.4916.59%
2017-09-302017-11-07$219000-$1.37-$1.413.01%
2017-06-302017-08-08$26.81 million-$0.46-$0.9149.27%
2017-03-312017-05-09$259000-$0.99-$1.3828.02%
2016-12-312017-02-14$171000-$1.41-$1.23-15.1%
2016-09-302016-11-01$286000-$1.26-$1.15-9.23%
2016-06-302016-08-02$333000-$1.18-$0.92-28.57%
2016-03-312016-05-03$265000-$0.81-$0.76-7.11%
2015-12-312016-02-18$307000-$0.76-$0.827.36%
2015-09-302015-11-02$429000-$0.73-$0.66-10.61%
2015-06-302015-08-04$278000-$0.59-$0.56-5.36%
2015-03-312015-05-05$593000-$0.55-$0.596.78%
2014-12-312015-03-05$2.01 million-$0.48-$0.6627.27%
2014-09-302014-11-03$1.49 million-$0.48-$0.6020%
2014-06-302014-08-04$15.12 million$0.06-$0.14142.86%
2014-03-312014-05-05$32.23 million$0.78$0.780%
2013-12-312014-03-06$167000-$0.52-$0.50-4%
2013-09-302013-11-12$171000-$0.55-$0.6616.67%
2013-06-302013-08-12$167000-$0.64-$0.52-23.08%
2013-03-312013-05-29$171000-$0.51
2012-12-312013-03-29$575000-$0.84

Prothena Corporation plc (PRTA) Company Financial Statements:

Financial statements are reports prepared by a company's management to present their financial performance and position at a point in time. A general-purpose set of financial statements usually includes a balance sheet, income statements, and statement of cash flows.

Income Statement:
Date
Research Development
Income Before Tax
Selling General Administrative
Gross Profit
Ebit
Operating Income
Income Tax Expense
Total Revenue
Cost of Revenue
Total Other Income Expense Net
Net Income From Continuing Operations
Net Income Applicable to Common Shares
Cash Flow:
Date
Investments
Change to Liabilities
Total Cash Flow from Investing Activities
Net Borrowings
Total Cash Flow from Financial Activities
Change to Operating Activities
Change in Cash
Total Cash from Operating Activities
Depreciation
Other Cash Flow from Investing Activities
Change to Inventory
Change to Account Receivables
Other Cash Flow from Financing Activities
Change to Net Income
Capital Expenditures
Balance Sheet:
Date
Total Liabailities
Total Stockholder Equity
Other Current Liabilities
Total Assets
Common Stock
Other Current Assets
Retained Earnings
Other Liabilities
Other Assets
Cash
Total Current Liabilities
Other Stockholder Equity
Property, Plant & Equipment
Total Current Assets
Long Term Investments
Net Tangible Assets
Short Term Investments
Long Term Debt
Inventory
Accounts Payable

Prothena Corporation plc (PRTA) Chart:

Prothena Corporation plc (PRTA) News:

Below you will find a list of latest news for Prothena Corporation plc (PRTA) from major news sources. You can filter the results to only show news from a specific source.

No recent news available

Prothena Corporation plc (PRTA) Options:

A stock option is a contract between two parties in which the stock option buyer (holder) purchases the right (but not the obligation) to buy/sell 100 shares of an underlying stock at a predetermined price from/to the option seller (writer) within a fixed period of time.

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Latest PRTA Trades:

Date Shares Price
Jun 13, 2022 7:59 PM EST79$22.78
Jun 13, 2022 7:59 PM EST28$22.78
Jun 13, 2022 7:59 PM EST1$22.74
Jun 13, 2022 7:59 PM EST1$22.74
Jun 13, 2022 7:59 PM EST20$22.78

Prothena Corporation plc (PRTA) SEC Filings:

An SEC filing is a financial statement or other formal document submitted to the U.S. Securities and Exchange Commission (SEC). Public companies, certain insiders, and broker-dealers are required to make regular SEC filings.

Date Form Type Form Name Link
2020-05-224Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920011041/0001567619-20-011041-index.htm
2018-12-19UPLOADSEC-generated letterhttps://www.sec.gov/Archives/edgar/data/1559053/000000000018038535/0000000000-18-038535-index.htm
2019-04-04UPLOADSEC-generated letterhttps://www.sec.gov/Archives/edgar/data/1559053/000000000019006505/0000000000-19-006505-index.htm
2019-05-29UPLOADSEC-generated letterhttps://www.sec.gov/Archives/edgar/data/1559053/000000000019009087/0000000000-19-009087-index.htm
2019-05-29UPLOADSEC-generated letterhttps://www.sec.gov/Archives/edgar/data/1559053/000000000019009088/0000000000-19-009088-index.htm
2019-07-31UPLOADSEC-generated letterhttps://www.sec.gov/Archives/edgar/data/1559053/000000000019011872/0000000000-19-011872-index.htm
2019-02-06SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000021545719004999/0000215457-19-004999-index.htm
2019-02-13SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000031506619001267/0000315066-19-001267-index.htm
2020-02-07SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000031506620001163/0000315066-20-001163-index.htm
2020-02-05SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000083423720005908/0000834237-20-005908-index.htm
2019-01-10SC 13GStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000089109219000538/0000891092-19-000538-index.htm
2019-03-11SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000089109219002760/0000891092-19-002760-index.htm
2018-06-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924318017928/0000899243-18-017928-index.htm
2018-06-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924318017931/0000899243-18-017931-index.htm
2018-06-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924318017932/0000899243-18-017932-index.htm
2018-06-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924318017933/0000899243-18-017933-index.htm
2018-06-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924318017937/0000899243-18-017937-index.htm
2018-06-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924318017939/0000899243-18-017939-index.htm
2018-12-133Initial statement of beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924318030853/0000899243-18-030853-index.htm
2018-12-134Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924318030857/0000899243-18-030857-index.htm
2019-03-014Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924319005423/0000899243-19-005423-index.htm
2019-03-014Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924319005424/0000899243-19-005424-index.htm
2019-03-014Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924319005425/0000899243-19-005425-index.htm
2019-03-014Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924319005426/0000899243-19-005426-index.htm
2019-03-014Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924319005427/0000899243-19-005427-index.htm
2019-03-014Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000089924319005428/0000899243-19-005428-index.htm
2019-02-12SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000090221919000055/0000902219-19-000055-index.htm
2020-01-28SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000090221920000282/0000902219-20-000282-index.htm
2019-08-05SC 13GStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000093041319002242/0000930413-19-002242-index.htm
2019-01-31SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000093247119002258/0000932471-19-002258-index.htm
2019-08-26SC 13DGeneral statement of acquisition of beneficial ownershiphttps://www.sec.gov/Archives/edgar/data/1559053/000093583619000452/0000935836-19-000452-index.htm
2019-12-13SC 13DGeneral statement of acquisition of beneficial ownershiphttps://www.sec.gov/Archives/edgar/data/1559053/000093583619000657/0000935836-19-000657-index.htm
2019-03-28DEF 14AOther definitive proxy statementshttps://www.sec.gov/Archives/edgar/data/1559053/000114036119005885/0001140361-19-005885-index.htm
2019-03-28DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) materialhttps://www.sec.gov/Archives/edgar/data/1559053/000114036119005887/0001140361-19-005887-index.htm
2020-03-12PRE 14AOther preliminary proxy statementshttps://www.sec.gov/Archives/edgar/data/1559053/000114036120005628/0001140361-20-005628-index.htm
2020-03-25DEF 14AOther definitive proxy statementshttps://www.sec.gov/Archives/edgar/data/1559053/000114036120006746/0001140361-20-006746-index.htm
2020-03-25DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) materialhttps://www.sec.gov/Archives/edgar/data/1559053/000114036120006747/0001140361-20-006747-index.htm
2020-02-14SC 13GStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000117266120000654/0001172661-20-000654-index.htm
2020-02-14SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000117266120000847/0001172661-20-000847-index.htm
2018-08-1710-Q/AQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1559053/000119312518251786/0001193125-18-251786-index.htm
2019-01-03CORRESPCorrespondencehttps://www.sec.gov/Archives/edgar/data/1559053/000119312519001635/0001193125-19-001635-index.htm
2019-01-22CORRESPCorrespondencehttps://www.sec.gov/Archives/edgar/data/1559053/000119312519014045/0001193125-19-014045-index.htm
2019-02-28CORRESPCorrespondencehttps://www.sec.gov/Archives/edgar/data/1559053/000119312519058884/0001193125-19-058884-index.htm
2019-04-17CORRESPCorrespondencehttps://www.sec.gov/Archives/edgar/data/1559053/000119312519108573/0001193125-19-108573-index.htm
2019-05-22S-3Registration statement under Securities Act of 1933https://www.sec.gov/Archives/edgar/data/1559053/000119312519154092/0001193125-19-154092-index.htm
2019-06-07CORRESPCorrespondencehttps://www.sec.gov/Archives/edgar/data/1559053/000119312519168104/0001193125-19-168104-index.htm
2019-06-18CORRESPCorrespondencehttps://www.sec.gov/Archives/edgar/data/1559053/000119312519175169/0001193125-19-175169-index.htm
2019-06-26CORRESPCorrespondencehttps://www.sec.gov/Archives/edgar/data/1559053/000119312519181756/0001193125-19-181756-index.htm
2019-11-27S-3/ARegistration statement under Securities Act of 1933https://www.sec.gov/Archives/edgar/data/1559053/000119312519302630/0001193125-19-302630-index.htm
2019-12-10CORRESPCorrespondencehttps://www.sec.gov/Archives/edgar/data/1559053/000119312519310254/0001193125-19-310254-index.htm
2019-02-14SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000121390019002512/0001213900-19-002512-index.htm
2019-02-14SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000121390019002520/0001213900-19-002520-index.htm
2019-02-14SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000121390019002529/0001213900-19-002529-index.htm
2019-07-09SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000121390019012308/0001213900-19-012308-index.htm
2019-07-09SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000121390019012310/0001213900-19-012310-index.htm
2019-09-09SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000121390019017508/0001213900-19-017508-index.htm
2019-09-09SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1559053/000121390019017511/0001213900-19-017511-index.htm
2018-07-268-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905318000021/0001559053-18-000021-index.htm
2018-08-078-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905318000024/0001559053-18-000024-index.htm
2018-08-0710-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1559053/000155905318000025/0001559053-18-000025-index.htm
2018-08-09S-8Securities to be offered to employees in employee benefit planshttps://www.sec.gov/Archives/edgar/data/1559053/000155905318000027/0001559053-18-000027-index.htm
2018-09-288-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905318000029/0001559053-18-000029-index.htm
2018-11-068-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905318000032/0001559053-18-000032-index.htm
2018-11-0610-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1559053/000155905318000034/0001559053-18-000034-index.htm
2018-12-148-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905318000037/0001559053-18-000037-index.htm
2019-02-148-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905319000004/0001559053-19-000004-index.htm
2019-03-1510-KAnnual report [Section 13 and 15(d), not S-K Item 405]https://www.sec.gov/Archives/edgar/data/1559053/000155905319000007/0001559053-19-000007-index.htm
2019-04-188-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905319000009/0001559053-19-000009-index.htm
2019-05-078-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905319000012/0001559053-19-000012-index.htm
2019-05-0710-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1559053/000155905319000013/0001559053-19-000013-index.htm
2019-05-248-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905319000016/0001559053-19-000016-index.htm
2019-07-038-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905319000018/0001559053-19-000018-index.htm
2019-08-068-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905319000022/0001559053-19-000022-index.htm
2019-08-0610-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1559053/000155905319000023/0001559053-19-000023-index.htm
2019-09-208-K/ACurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905319000026/0001559053-19-000026-index.htm
2019-09-248-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905319000028/0001559053-19-000028-index.htm
2019-10-308-K/ACurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905319000031/0001559053-19-000031-index.htm
2019-11-058-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905319000034/0001559053-19-000034-index.htm
2019-11-0510-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1559053/000155905319000035/0001559053-19-000035-index.htm
2019-12-058-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905319000037/0001559053-19-000037-index.htm
2019-12-198-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905319000040/0001559053-19-000040-index.htm
2020-02-128-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905320000003/0001559053-20-000003-index.htm
2020-03-0310-KAnnual report [Section 13 and 15(d), not S-K Item 405]https://www.sec.gov/Archives/edgar/data/1559053/000155905320000005/0001559053-20-000005-index.htm
2020-04-24DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) materialhttps://www.sec.gov/Archives/edgar/data/1559053/000155905320000007/0001559053-20-000007-index.htm
2020-05-068-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905320000012/0001559053-20-000012-index.htm
2020-05-0610-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1559053/000155905320000013/0001559053-20-000013-index.htm
2020-05-228-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905320000015/0001559053-20-000015-index.htm
2020-08-068-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905320000024/0001559053-20-000024-index.htm
2020-08-0610-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1559053/000155905320000026/0001559053-20-000026-index.htm
2020-08-11S-8Securities to be offered to employees in employee benefit planshttps://www.sec.gov/Archives/edgar/data/1559053/000155905320000029/0001559053-20-000029-index.htm
2020-10-208-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905320000033/0001559053-20-000033-index.htm
2020-11-048-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1559053/000155905320000038/0001559053-20-000038-index.htm
2020-11-0410-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1559053/000155905320000040/0001559053-20-000040-index.htm
2019-05-244Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761919012070/0001567619-19-012070-index.htm
2019-05-244Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761919012071/0001567619-19-012071-index.htm
2019-05-244Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761919012072/0001567619-19-012072-index.htm
2019-05-244Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761919012073/0001567619-19-012073-index.htm
2019-05-244Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761919012075/0001567619-19-012075-index.htm
2019-05-244Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761919012077/0001567619-19-012077-index.htm
2019-07-033Initial statement of beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761919014386/0001567619-19-014386-index.htm
2019-07-033Initial statement of beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761919014387/0001567619-19-014387-index.htm
2019-07-034Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761919014388/0001567619-19-014388-index.htm
2019-07-034Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761919014389/0001567619-19-014389-index.htm
2019-08-273Initial statement of beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761919017610/0001567619-19-017610-index.htm
2019-12-133Initial statement of beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761919023078/0001567619-19-023078-index.htm
2020-02-274Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920005017/0001567619-20-005017-index.htm
2020-02-274Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920005018/0001567619-20-005018-index.htm
2020-02-274Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920005019/0001567619-20-005019-index.htm
2020-02-274Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920005020/0001567619-20-005020-index.htm
2020-02-274Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920005021/0001567619-20-005021-index.htm
2020-02-274Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920005022/0001567619-20-005022-index.htm
2020-02-274Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920005023/0001567619-20-005023-index.htm
2020-03-043Initial statement of beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920005645/0001567619-20-005645-index.htm
2020-03-044Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920005646/0001567619-20-005646-index.htm
2020-05-224Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920011030/0001567619-20-011030-index.htm
2020-05-224Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920011031/0001567619-20-011031-index.htm
2020-05-224Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920011034/0001567619-20-011034-index.htm
2020-05-224Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920011035/0001567619-20-011035-index.htm
2020-05-224Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920011037/0001567619-20-011037-index.htm
2020-05-224Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920011039/0001567619-20-011039-index.htm
2020-05-224Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920011041/0001567619-20-011041-index.htm
2020-08-194Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1559053/000156761920015757/0001567619-20-015757-index.htm
2019-12-12EFFECTNotice of Effectivenesshttps://www.sec.gov/Archives/edgar/data/1559053/999999999519002790/9999999995-19-002790-index.htm
2018-08-22CT ORDERConfidential treatment orderhttps://www.sec.gov/Archives/edgar/data/1559053/999999999718007410/9999999997-18-007410-index.htm
2019-03-28CT ORDERConfidential treatment orderhttps://www.sec.gov/Archives/edgar/data/1559053/999999999719002098/9999999997-19-002098-index.htm
2019-07-12CT ORDERConfidential treatment orderhttps://www.sec.gov/Archives/edgar/data/1559053/999999999719006122/9999999997-19-006122-index.htm

Prothena Corporation plc (PRTA) Insider Transactions:

Here you will find a list of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Prothena Corporation plc (PRTA). Company insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.
Insider Ownership: 5%
Institutional Ownership: 9470%

Transaction Date Insider Name Insider Title Type Shares Number Shares Price Total Transaction Shares Held After Transaction Link
2020-08-17Gene G. KinneyPresident and CEOBuy10,000.006.4164,100.0012,793.00https://www.sec.gov/Archives/edgar/data/1559053/000156761920015757/0001567619-20-015757-index.htm