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PRTA

Prothena Corporation plc

Feb 11 • 11:32AM ET

8.84

-0.12 -1.39 %

Healthcare • Biotechnology • Ireland • NASD

Peers: VRTX BIIB ALNY IONS SRPT NBIX EXEL ACAD ARWR CLDX

| Held by: XBI IWM VXF IWN IBB VTWO SCHA DFAS VHT FSCC

Index	RUT	P/E	-	EPS (ttm)	-5.21	Insider Own	19.39%	Shs Outstand	53.83M	Perf Week	-0.61%
Market Cap	475.61M	Forward P/E	14.83	EPS next Y	0.60	Insider Trans	0.00%	Shs Float	43.39M	Perf Month	-0.84%
Enterprise Value	153.85M	PEG	0.60	EPS next Q	-0.56	Inst Own	79.92%	Short Float	16.28%	Perf Quarter	-16.09%
Income	-280.46M	P/S	40.34	EPS this Y	-106.80%	Inst Trans	1.96%	Short Ratio	11.72	Perf Half Y	17.18%
Sales	11.79M	P/B	1.61	EPS next Y	112.69%	ROA	-59.18%	Short Interest	7.06M	Perf YTD	-7.48%
Book/sh	5.48	P/C	1.44	EPS next 5Y	24.74%	ROE	-67.63%	52W High	16.67 -46.98%	Perf Year	-35.93%
Cash/sh	6.15	P/FCF	-	EPS past 3/5Y	- -3.15%	ROIC	-93.12%	52W Low	4.32 104.52%	Perf 3Y	-83.45%
Dividend Est.	-	EV/EBITDA	-	Sales past 3/5Y	-12.33% 178.00%	Gross Margin	69.05%	Volatility	6.15% 5.58%	Perf 5Y	-43.72%
Dividend TTM	-	EV/Sales	13.05	EPS Y/Y TTM	-112.24%	Oper. Margin	-1885.68%	ATR (14)	0.50	Perf 10Y	-70.67%
Dividend Ex-Date	-	Quick Ratio	6.61	Sales Y/Y TTM	-91.16%	Profit Margin	-2379.59%	RSI (14)	44.10	Recom	2.00
Dividend Gr. 3/5Y	- -	Current Ratio	6.61	EPS Q/Q	38.12%	SMA20	-4.10%	Beta	-0.25	Target Price	20.33
Payout	-	Debt/Eq	0.03	Sales Q/Q	148.97%	SMA50	-7.37%	Rel Volume	0.53	Prev Close	8.96
Employees	163	LT Debt/Eq	0.02	Earnings	Nov 06 AMC	SMA200	5.04%	Avg Volume	602.61K	Price	8.84
IPO	Dec 21, 2012	Option/Short	Yes / Yes	EPS/Sales Surpr.	1.03% -63.62%	Trades		Volume	111,542	Change	-1.39%

Date	Action	Analyst	Rating Change	Price Target Change
May-28-25	Downgrade	BofA Securities	Neutral → Underperform	$4
May-27-25	Downgrade	Oppenheimer	Outperform → Perform
May-27-25	Downgrade	Jefferies	Buy → Hold	$6
May-27-25	Downgrade	Cantor Fitzgerald	Overweight → Neutral
Dec-20-24	Initiated	Chardan Capital Markets	Buy	$40
Jan-30-24	Downgrade	BofA Securities	Buy → Neutral	$68 → $38
Dec-12-23	Initiated	Deutsche Bank	Buy	$62
Apr-24-23	Initiated	SVB Securities	Outperform	$80
Jan-27-23	Initiated	Piper Sandler	Overweight	$94
Nov-04-22	Downgrade	RBC Capital Mkts	Outperform → Sector Perform	$52 → $55
Sep-28-22	Upgrade	BofA Securities	Neutral → Buy
Nov-19-21	Initiated	JMP Securities	Mkt Outperform	$77
Jun-18-21	Upgrade	BofA Securities	Underperform → Neutral	$12 → $49
Jun-08-21	Reiterated	Oppenheimer	Outperform	$45 → $54
May-26-21	Initiated	Citigroup	Buy	$39
Feb-26-21	Upgrade	RBC Capital Mkts	Sector Perform → Outperform	$14 → $28
Feb-12-21	Upgrade	Jefferies	Hold → Buy	$15 → $30
Feb-02-21	Upgrade	BTIG Research	Neutral → Buy	$29
Dec-07-20	Initiated	H.C. Wainwright	Buy	$22
Jul-09-20	Upgrade	Oppenheimer	Perform → Outperform	$16

Show Previous Ratings

Jan-21-26 12:00PM	All You Need to Know About Prothena (PRTA) Rating Upgrade to Buy (Zacks)
Jan-07-26 08:06AM	Fortrea Holdings Inc. (FTRE) Moves 5.5% Higher: Will This Strength Last? (Zacks)
Dec-12-25 04:05PM	Prothena Announces Board of Directors Update (Business Wire)
Nov-19-25 04:05PM	Prothena Announces Poster Presentation on its TDP-43 CYTOPE Program at Neuroscience 2025 (Business Wire)
Nov-11-25 09:00AM	Prothena Highlights Phase 2 Data for Coramitug (Formerly PRX004) Published in Circulation, Official Journal of AHA (Business Wire)
10:32AM	Loading…
Nov-07-25 10:32AM	Prothena Q3 Earnings Miss Estimates, Pipeline Progress in Focus (Zacks)
Nov-06-25 05:45PM	Prothena (PRTA) Reports Q3 Loss, Lags Revenue Estimates (Zacks)
04:46PM	Prothena: Q3 Earnings Snapshot (Associated Press Finance)
04:05PM	Prothena Reports Third Quarter 2025 Financial Results and Business Highlights (Business Wire)
Oct-30-25 04:05PM	Prothena to Report Third Quarter 2025 Financial Results on November 6 (Business Wire)
Oct-22-25 03:33PM	Prothena Corporation plc (PRTA): A Bull Case Theory (Insider Monkey)
Oct-01-25 04:45PM	Prothenas Partner Bristol Myers Squibb Obtains Fast Track Designation from the U.S. FDA for BMS-986446 (PRX005), an Anti-MTBR-Tau-Targeting Antibody, for the Treatment of Alzheimers Disease (Business Wire)
Sep-11-25 10:01AM	Prothena Down 40% Year to Date: What Lies Ahead for the Stock? (Zacks)
Sep-03-25 11:30AM	Prothena (PRTA) Up 17.6% Since Last Earnings Report: Can It Continue? (Zacks)
Aug-28-25 04:05PM	Prothena to Participate in the Cantor Fitzgerald Global Healthcare Conference (Business Wire)
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Aug-27-25 04:05PM	Prothena Provides Update on PRX012 and Announces Results from the Phase 1 ASCENT Clinical Program (Business Wire)
Aug-08-25 05:07AM	Elevidys sales weaken; Neumora gets into obesity (BioPharma Dive)
Aug-06-25 09:00AM	Prothena Announces that Novo Nordisk Will Advance Coramitug (Formerly PRX004) into Phase 3 Development for ATTR Amyloidosis with Cardiomyopathy (Business Wire) +12.66%
Aug-04-25 05:50PM	Prothena (PRTA) Reports Q2 Loss, Lags Revenue Estimates (Zacks)
04:47PM	Prothena: Q2 Earnings Snapshot (Associated Press Finance)
04:05PM	Prothena Reports Second Quarter 2025 Financial Results and Business Highlights (Business Wire)
Jul-30-25 10:01AM	PTC Therapeutics (PTCT) Surges 11.2%: Is This an Indication of Further Gains? (Zacks)
Jul-29-25 10:00AM	Earnings Preview: Rhythm Pharmaceuticals, Inc. (RYTM) Q2 Earnings Expected to Decline (Zacks)
Jul-28-25 04:05PM	Prothena to Report Second Quarter 2025 Financial Results on August 4 (Business Wire)
Jul-24-25 10:46AM	Roche Reports 7% 1H25 Sales Growth, Key Drugs Perform Well (Zacks)
Jul-17-25 01:07PM	AstraZeneca's AL Amyloidosis Drug Misses Goal in Late-Stage Studies (Zacks)
Jul-04-25 01:51PM	PRTA Dives 53.5% YTD: Will the Restructuring Effort Boost Prospects? (Zacks)
Jun-20-25 07:22AM	Prothena to lay off majority of staff; Zealand shares obesity drug data (BioPharma Dive)
Jun-18-25 04:05PM	Prothena Announces Corporate Restructuring (Business Wire)
Jun-17-25 01:30PM	Roche's Phase 3 Move Boosts Outlook for Prothena Corporation plc (PRTA) (Insider Monkey)
09:16AM	Loading…
09:16AM	Morning Movers: Sage Therapeutics surges after deal to be acquired by Supernus (TipRanks)
Jun-16-25 10:22AM	Roche, waving off study failures, commits to Phase 3 trials for Parkinsons drug (BioPharma Dive) +11.42%
09:49AM	RHHBY to Advance Parkinson's Disease Drug to Late-Stage Development (Zacks)
01:06AM	Prothenas Partner Roche to Advance Prasinezumab into Phase III Development for Early-Stage Parkinson's Disease (Business Wire)
May-29-25 03:40PM	Citizens JMP Slashes Prothena (PRTA) to $29 from $78 After AFFIRM-AL Trial Fails (Insider Monkey)
May-28-25 01:55PM	Oppenheimer Downgrades Prothena Corporation (NASDAQ:PRTA) to Perform from Outperform (Insider Monkey)
May-27-25 01:08PM	Jefferies Downgrades Prothena Corporation (PRTA) After Negative Trial Results (Insider Monkey) -30.40%
10:20AM	Prothena's Late-Stage Study for AL Amyloidosis Fails, Stock Down (Zacks)
07:53AM	Biogen strikes RNAi deal with City; Aurion withdraws IPO (BioPharma Dive)
07:43AM	Why Is Prothena Stock Trading Lower On Tuesday? (Benzinga)
May-26-25 06:16AM	Prothenas Phase III trial for AL amyloidosis treatment misses endpoint (Clinical Trials Arena)
May-23-25 04:05PM	Prothena Announces Phase 3 AFFIRM-AL Clinical Trial for Birtamimab in Patients with AL Amyloidosis Did Not Meet Primary Endpoint (Business Wire) -30.40%
May-09-25 01:28PM	Prothena Q1 Earnings Miss Estimates, Focus on Key Readouts in 2025 (Zacks)
08:29AM	Is Prothena Corporation plc (PRTA) the Low Risk High Reward Stock Set to Triple by 2030? (Insider Monkey)
May-08-25 05:50PM	Prothena (PRTA) Reports Q1 Loss, Misses Revenue Estimates (Zacks)
04:47PM	Prothena: Q1 Earnings Snapshot (Associated Press Finance)
04:05PM	Prothena Reports First Quarter 2025 Financial Results and Business Highlights (Business Wire)
May-07-25 12:44PM	Prothena Q1 2025 Earnings Preview (Seeking Alpha)
May-01-25 04:05PM	Prothena to Report First Quarter 2025 Financial Results on May 8 (Business Wire) -5.22%
Apr-16-25 11:49AM	Biogen & Partner Eisai Get EU Nod for Alzheimer's Drug Leqembi (Zacks)
Feb-21-25 02:15AM	Prothena Corp PLC (PRTA) Q4 2024 Earnings Call Highlights: Strong Financial Position Amidst ... (GuruFocus.com)
Feb-20-25 05:25PM	Prothena (PRTA) Reports Q4 Loss, Misses Revenue Estimates (Zacks)
04:22PM	Prothena: Q4 Earnings Snapshot (Associated Press Finance)
04:05PM	Prothena Reports Fourth Quarter and Full Year 2024 Financial Results, and Provides Financial Guidance and Business Highlights (Business Wire)
Feb-13-25 04:05PM	Prothena to Report Fourth Quarter and Full Year 2024 Financial Results on February 20, 2025 (Business Wire)
Dec-30-24 04:05PM	Prothena Announces Board of Directors Update (Business Wire) -6.92%
Dec-19-24 04:22PM	Prothena Catapults, Flashing A Bullish Sign, On Promise In Parkinson's Disease (Investor's Business Daily) +33.97%
08:09AM	Prothenas Parkinsons study fails primary endpoint despite some success (Clinical Trials Arena)
01:05AM	Roches Phase IIb Study of Prasinezumab Missed Primary Endpoint, But Suggests Possible Clinical Benefit in Early-Stage Parkinsons Disease (Business Wire)
Dec-12-24 11:30AM	Why Is Prothena (PRTA) Down 17.9% Since Last Earnings Report? (Zacks)
Nov-12-24 05:55PM	Prothena (PRTA) Reports Q3 Loss, Misses Revenue Estimates (Zacks)
04:56PM	Prothena: Q3 Earnings Snapshot (Associated Press Finance)
04:05PM	Prothena Reports Third Quarter 2024 Financial Results and Business Highlights (Business Wire)
Nov-05-24 04:05PM	Prothena to Report Third Quarter 2024 Financial Results on November 12 (Business Wire) +8.71%
Oct-29-24 12:00PM	Prothena (PRTA) Upgraded to Buy: What Does It Mean for the Stock? (Zacks)
04:48AM	Strength Seen in Prothena (PRTA): Can Its 15.0% Jump Turn into More Strength? (Zacks)
Oct-18-24 03:01PM	State Street Corp's Strategic Reduction in Prothena Corp PLC Holdings (GuruFocus.com)
Sep-27-24 04:05PM	Prothena Announces Leadership Team Updates (Business Wire) -16.56%
Aug-29-24 04:05PM	Prothena to Participate in Upcoming Healthcare Conferences (Business Wire)
Aug-19-24 12:00PM	What Makes Prothena (PRTA) a New Buy Stock (Zacks)
Aug-18-24 12:28AM	Prothena Corporation plc (PTRA): Positioning Among Top Debt-Free Stocks (Insider Monkey)
Aug-17-24 08:22AM	7 Best Debt Free Stocks To Buy (Insider Monkey)
Aug-09-24 09:16AM	Prothena (PRTA) Q2 Earnings Benefit From Collaboration Revenues (Zacks)
Aug-08-24 06:40PM	Prothena (PRTA) Q2 Earnings and Revenues Beat Estimates (Zacks)
05:33PM	Prothena: Q2 Earnings Snapshot (Associated Press Finance)
04:05PM	Prothena Reports Second Quarter 2024 Financial Results and Business Highlights (Business Wire)
Aug-01-24 04:05PM	Prothena to Report Second Quarter 2024 Financial Results on August 8 (Business Wire) -5.20%
Jul-25-24 10:02AM	Prothena (PRTA) Expected to Beat Earnings Estimates: What to Know Ahead of Q2 Release (Zacks)
Jun-24-24 08:48AM	Prothena (PRTA) Moves 9.3% Higher: Will This Strength Last? (Zacks)
Jun-11-24 04:07PM	Eli Lilly Seesaws On FDA Win, And Pushes Alzheimer's Stocks Prothena, Eisai Lower (Investor's Business Daily)
12:20PM	Eli Lilly Drags Alzheimer's Stocks Prothena, Eisai Lower Despite FDA Win (Investor's Business Daily)
Jun-07-24 11:30AM	Why Is Prothena (PRTA) Down 1.5% Since Last Earnings Report? (Zacks)
May-29-24 10:26AM	Prothena (PRTA), Bristol Myers Tie Up for Second Neuro Candidate (Zacks)
08:46AM	BMS stakes $80m on Prothenas neurodegenerative candidate (Pharmaceutical Technology)
May-28-24 04:05PM	Prothena Announces Bristol Myers Squibb Opt-in for Exclusive Global License for PRX019, the Second Program from Global Neuroscience Research and Development Collaboration (Business Wire)
May-09-24 11:52AM	Prothena (PRTA) Q1 Earnings Miss Estimates on Higher R&D Expenses (Zacks)
May-08-24 10:56PM	PRTA Stock Earnings: Prothena Corp Misses EPS, Misses Revenue for Q1 2024 (InvestorPlace)
06:10PM	Prothena (PRTA) Reports Q1 Loss, Lags Revenue Estimates (Zacks)
05:14PM	Prothena: Q1 Earnings Snapshot (Associated Press Finance)
04:05PM	Prothena Reports First Quarter 2024 Financial Results and Business Highlights (Business Wire)
May-01-24 04:05PM	Prothena to Report First Quarter 2024 Financial Results on May 8 (Business Wire) +5.31%
Apr-25-24 10:01AM	Earnings Preview: Prothena (PRTA) Q1 Earnings Expected to Decline (Zacks)
Apr-15-24 04:05PM	Prothena Announces Review on Birtamimab Mechanism of Action and Pharmacological Characteristics Published in Leukemia & Lymphoma (Business Wire)
Mar-28-24 08:00AM	Race To Treat Alzheimer's Disease Is Heating Up Despite Eli Lilly's Setback (Investor's Business Daily)
Mar-05-24 04:05PM	Prothena to Participate in Upcoming Healthcare Conferences (Business Wire)
Mar-04-24 04:05PM	Prothena Appoints David Ford to Newly Created Chief People Officer Position (Business Wire)
Feb-21-24 04:05PM	Prothena Announces Appointment of Daniel G. Welch as Director and Chair Designate (Business Wire)
Feb-16-24 01:33PM	Prothena (PRTA) Q4 Earnings Miss Estimates on Higher R&D Expense (Zacks)
10:33AM	Prothena Corporation plc (NASDAQ:PRTA) Q4 2023 Earnings Call Transcript (Insider Monkey)
Feb-15-24 04:50PM	Prothena: Q4 Earnings Snapshot (Associated Press Finance)

Prothena Corp. Plc is a clinical-stage neuroscience company, which engages in the discovery and development of novel therapies to change the course of devastating diseases. The firm's clinical pipeline includes both wholly owned and partnered programs being developed for the potential treatment of diseases including AL amyloidosis, ATTR amyloidosis, Alzheimer's disease, Parkinson's disease and other neurodegenerative diseases. The company was founded in December 1969 and is headquartered in Dublin, Ireland.

Insider Trading	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
EcoR1 Capital, LLC	10% Owner	May 02 '25	Sale	8.36	3,317,938	27,744,929	8,266,342	May 06 07:06 PM
EcoR1 Capital, LLC	10% Owner	May 06 '25	Sale	7.64	1,984,053	15,164,712	5,304,596	May 06 07:06 PM
EcoR1 Capital, LLC	10% Owner	May 05 '25	Sale	8.11	977,693	7,930,166	7,288,649	May 06 07:06 PM

Open in Screener

COYA

Coya Therapeutics Inc

Feb 11 • 11:32AM ET

4.84

-0.12 -2.52 %

Healthcare • Biotechnology • USA • NASD

COYA Coya Therapeutics Inc daily Stock Chart

Peers: ALNY ARWR IONS MDGL ARVN AKRO MRNA VRTX NBIX BMRN

| Held by: VTI VXF IWC DFAS DFAC DFSU

Index	-	P/E	-	EPS (ttm)	-1.10	Insider Own	5.69%	Shs Outstand	20.92M	Perf Week	1.58%
Market Cap	101.17M	Forward P/E	-	EPS next Y	-1.49	Insider Trans	0.00%	Shs Float	19.73M	Perf Month	1.79%
Enterprise Value	73.04M	PEG	-	EPS next Q	-0.27	Inst Own	23.22%	Short Float	4.46%	Perf Quarter	-18.74%
Income	-18.43M	P/S	25.36	EPS this Y	-21.80%	Inst Trans	1.22%	Short Ratio	3.69	Perf Half Y	-21.13%
Sales	3.99M	P/B	2.97	EPS next Y	-24.55%	ROA	-54.54%	Short Interest	0.88M	Perf YTD	-16.64%
Book/sh	1.63	P/C	3.60	EPS next 5Y	-5.98%	ROE	-62.18%	52W High	8.29 -41.68%	Perf Year	-27.07%
Cash/sh	1.34	P/FCF	-	EPS past 3/5Y	-24.55% -89.45%	ROIC	-67.56%	52W Low	3.94 22.71%	Perf 3Y	14.85%
Dividend Est.	-	EV/EBITDA	-	Sales past 3/5Y	- -	Gross Margin	99.31%	Volatility	8.29% 7.97%	Perf 5Y	-
Dividend TTM	-	EV/Sales	18.31	EPS Y/Y TTM	-53.20%	Oper. Margin	-503.76%	ATR (14)	0.35	Perf 10Y	-
Dividend Ex-Date	-	Quick Ratio	8.73	Sales Y/Y TTM	-58.26%	Profit Margin	-462.25%	RSI (14)	48.81	Recom	1.00
Dividend Gr. 3/5Y	- -	Current Ratio	8.73	EPS Q/Q	52.16%	SMA20	3.85%	Beta	0.25	Target Price	16.07
Payout	-	Debt/Eq	0.00	Sales Q/Q	-	SMA50	-7.65%	Rel Volume	0.74	Prev Close	4.96
Employees	8	LT Debt/Eq	0.00	Earnings	Nov 12 BMO	SMA200	-17.23%	Avg Volume	238.30K	Price	4.84
IPO	Dec 29, 2022	Option/Short	Yes / Yes	EPS/Sales Surpr.	44.23% -3.67%	Trades		Volume	61,394	Change	-2.52%

Date	Action	Analyst	Rating Change	Price Target Change
Jul-09-25	Initiated	Lake Street	Buy	$16
Dec-04-24	Initiated	D. Boral Capital	Buy	$15

Feb-10-26 08:00AM	Coya Therapeutics to Host Webinar with Leading Medical Experts on Amyotrophic Lateral Sclerosis (ALS) Drug Development, Patient Landscape, and Ongoing Clinical Trial (Business Wire)
Jan-31-26 08:15AM	Coya Therapeutics to sell 2.522M shares at $4.40 in private placement (TipRanks)
Jan-30-26 08:00AM	Coya Therapeutics Announces $11.1 Million Private Placement (Business Wire)
Jan-20-26 08:00AM	Coya Therapeutics CEO Dr. Arun Swaminathan Issues Letter to Stockholders (Business Wire)
Jan-08-26 08:00AM	Coya Therapeutics Announces Results of Investigator-Initiated Study of LD IL-2 and CTLA4-Ig Demonstrating Treg Enhancement and Cognitive Stability in Frontotemporal Dementia Patients (Business Wire)
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Dec-23-25 08:00AM	Coya Therapeutics Receives Clinical Trial Application (CTA) Acceptance from Health Canada to Proceed with the COYA 302 ALSTARS Trial for the Treatment of Amyotrophic Lateral Sclerosis (ALS) (Business Wire)
Dec-09-25 08:00AM	Coya Therapeutics Announces Patients Have Been Dosed in the ALSTARS Trial of COYA 302 for the Treatment of ALS (Business Wire)
Dec-02-25 04:46PM	ReAlta Life Sciences Designates Dr. Howard Berman as Executive Chairman (Exec Edge)
Nov-25-25 08:00AM	Coya Therapeutics to Participate in Upcoming Investor Relations and Clinical Trials Conferences (Business Wire)
Nov-12-25 08:00AM	Coya Therapeutics Reports Third Quarter Financial Results and Provides a Corporate Update (Business Wire)
Nov-04-25 08:00AM	Coya Therapeutics Announces That Its Combination LD IL-2/GLP-1 RA Candidate (COYA 303) Demonstrated Potent Systemic and Brain Anti-Inflammatory Efficacy In Vivo (Business Wire)
Oct-28-25 07:41AM	Here's Greenlight Capital's Update on Coya Therapeutics (COYA) (Insider Monkey)
Oct-27-25 04:01PM	Coya Therapeutics Announces Closing of $23.0 Million Upsized Public Offering of Common Stock, Including Full Exercise of Underwriters Option to Purchase Additional Shares (Business Wire)
Oct-24-25 06:30AM	Coya Therapeutics Announces Pricing of $20 Million Upsized Public Offering of Common Stock (Business Wire) -9.74%
Oct-23-25 04:31PM	Coya Therapeutics Announces Proposed Public Offering of Common Stock (Business Wire) -5.16%
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Oct-07-25 08:00AM	Coya Therapeutics Congratulates Scientific Advisor Dr. Shimon Sakaguchi for Receiving The Nobel Prize in Physiology or Medicine for Discovery of Regulatory T Cells and Immune Function (Business Wire)
Sep-29-25 08:00AM	Coya Therapeutics Announces Completion of Patient Enrollment of an Investigator-Initiated, Open-Label Study with Low-Dose IL-2 and CTLA4-Ig Combination Treatment in Patients with Mild to Moderate Frontotemporal Dementia (PR Newswire)
Sep-22-25 08:00AM	Coya Therapeutics Launches the ALSTARS Trial, a Phase 2 Clinical Study to Assess the Efficacy and Safety of COYA 302 in Amyotrophic Lateral Sclerosis (PR Newswire)
Sep-16-25 08:00AM	Coya Therapeutics' COYA 303 Shows Promising Central Nervous System (CNS) Anti-inflammatory Effects and Systemic Regulatory T Cell (Treg) Enhancing Effects in a Preclinical Animal Inflammation Model (PR Newswire)
07:45AM	EXCLUSIVE: Coya Therapeutics Investigational Combination Therapy With GLP-1 Shows Potential For Alzheimer's Disease (Benzinga)
Sep-04-25 08:00AM	Coya Therapeutics' COYA 302 ALS Trial Accepted by NEALS as a NEALS-Affiliated Trial (PR Newswire)
Sep-03-25 08:34AM	Coya Therapeutics to Participate at Upcoming September Investor Conferences (PR Newswire)
Aug-27-25 09:55AM	Coya Therapeutics, Inc. (COYA) Now Trades Above Golden Cross: Time to Buy? (Zacks)
Aug-26-25 05:38AM	FDA approves Coya Therapeutics trial of COYA 302 for ALS (Clinical Trials Arena)
Aug-12-25 03:00PM	Coya Therapeutics, Inc. (COYA) Reports Q2 Loss, Lags Revenue Estimates (Zacks)
08:00AM	Coya Therapeutics Reports Second Quarter Financial Results and Provides a Corporate Update (PR Newswire)
Aug-07-25 08:20AM	Regenxbio (RGNX) Reports Q2 Loss, Lags Revenue Estimates (Zacks)
Aug-06-25 08:30AM	EyePoint Pharmaceuticals (EYPT) Reports Q2 Loss, Misses Revenue Estimates (Zacks)
Jul-25-25 09:56AM	Coya Therapeutics, Inc. (COYA) Surges 10.7%: Is This an Indication of Further Gains? (Zacks)
Jul-24-25 08:15AM	Coya Therapeutics Announces Publication of Scientific Research Linking Inflammation and Oxidative Stress to the Progression of Parkinson's Disease (Business Wire) +10.71%
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Jul-22-25 08:15AM	Coya Therapeutics to Participate in the BTIG Virtual Biotechnology Conference July 29 - 30, 2025 (Business Wire)
Jun-18-25 08:15AM	Coya Therapeutics to Present at the iAccess Alpha Virtual Best Ideas Summer Conference on June 24 - 25, 2025 (Business Wire)
Jun-02-25 08:00AM	Coya Therapeutics Announces Issuance of New U.S. Patent Protecting Methods of Producing Recombinant Human (rh) Interleukin-2 (aldesleukin) Liquid Formulations (Business Wire)
May-16-25 10:53AM	Coya Therapeutics to Participate at the H.C. Wainwright 3rd Annual BioConnect Investor Conference (Business Wire)
May-13-25 08:00AM	Coya Therapeutics Reports First Quarter Financial Results and Provides a Corporate Update (Business Wire) -6.19%
May-08-25 08:15AM	Coya Therapeutics to Participate in Two Upcoming Conferences in May 2025 (Business Wire)
Apr-29-25 09:40AM	Is Coya Therapeutics, Inc. (COYA) Outperforming Other Medical Stocks This Year? (Zacks)
Apr-25-25 11:27AM	Coya Therapeutics: Treg Proof-Of-Concept Continues With Interim FTD Data Release (Seeking Alpha) -5.36%
Apr-24-25 08:00AM	Coya Therapeutics Announces Positive Interim Results of an Investigator-Initiated Open Label Study with Low-Dose IL-2 and CTLA4-Ig Combination Treatment in Five Patients with Mild to Moderate Frontotemporal Dementia (ACCESSWIRE)
Apr-23-25 09:55AM	Wall Street Analysts See a 144.73% Upside in Coya Therapeutics, Inc. (COYA): Can the Stock Really Move This High? (Zacks)
Apr-21-25 09:51AM	Coya Therapeutics Announces Publication of GLP-1/LD IL-2 Combination Biologic (COYA 303) Demonstrating Synergistic Enhancement of Regulatory T Cell Function and Protection Against Treg Apoptosis (Cell Death) (Business Wire) +8.56%
Apr-17-25 07:00AM	Atea Pharmaceuticals Appoints Howard H. Berman to Board of Directors and Announces Share Repurchase Program (GlobeNewswire)
Apr-11-25 03:02PM	Is Coya Therapeutics (COYA) the Top Healthcare Stock to Buy According to Billionaire David Einhorn? (Insider Monkey)
Apr-01-25 08:15AM	Coya Therapeutics Selected for Platform Presentation at the ADPD 2025 Conference in Vienna on April 5, 2025 (Business Wire)
Mar-27-25 12:00PM	What Makes Coya Therapeutics, Inc. (COYA) a New Buy Stock (Zacks) +5.84%
09:55AM	Wall Street Analysts Think Coya Therapeutics, Inc. (COYA) Could Surge 149.62%: Read This Before Placing a Bet (Zacks)
09:40AM	Are Medical Stocks Lagging Auna S.A. (AUNA) This Year? (Zacks)
Mar-26-25 08:15AM	Coya Therapeutics Reports Progress from an Academic Supported First-in-Class Treg-derived Exosome Program (Business Wire)
08:00AM	The Radoff-JEC Group Nominates Three Highly Qualified Candidates for Election to the Atea Pharmaceuticals Board of Directors (Business Wire)
Mar-18-25 08:15AM	Coya Therapeutics Provides a Corporate Update and Reports Fiscal 2024 Financial Results (Business Wire) -5.84%
Feb-25-25 08:15AM	Coya Therapeutics to Participate in KOL Call Hosted by BTIG to Discuss the Potential Treatment of Alzheimer's Disease Using GLP-1 Agonists and Combinations (Business Wire)
Feb-06-25 01:30PM	Coya Therapeutics' Alzheimer's Candidate Shows Improved Inflammatory Blood Markers Following Monthly Dosing (Benzinga) +7.20%
08:00AM	Coya Therapeutics Reports Statistically Significant Improvement of Inflammatory Blood Markers in Patients with Alzheimers Disease Following Monthly Dosing with Low-Dose IL-2, Further Supporting Clinical Development (Business Wire)
Feb-04-25 08:15AM	Coya Therapeutics to Present at the Oppenheimer 35th Annual Healthcare Life Sciences Conference (Business Wire)
Jan-27-25 02:54AM	An ALS treatment wave is approaching, and this biotech CEO is ready to surf (Pharma Voice)
Jan-21-25 08:15AM	Coya Therapeutics Announces Pipeline Expansion - COYA 303: COYA 301 in Combination with GLP-1 Receptor Agonist for the Treatment of Inflammatory Diseases (Business Wire) +5.20%
08:00AM	EXCLUSIVE: Coya Therapeutics Expands Its Pipeline With Combo Therapy For Inflammatory Diseases (Benzinga)
Dec-18-24 08:15AM	Coya Therapeutics Provides Enrollment Update of the Investigator-Initiated Phase 1 Study of Low Dose Interleukin-2 (LD IL-2) + CTLA4-Ig Fusion Protein in Patients with Frontotemporal Dementia (FTD) (Business Wire) -7.13%
Nov-25-24 08:15AM	Coya Therapeutics to Participate in a Fireside Chat at the 7th Annual Evercore HealthCONx Conference (Business Wire)
Nov-19-24 08:15AM	Coya Therapeutics CEO Dr. Arun Swaminathan Issues Letter to Stockholders (Business Wire)
Nov-06-24 08:00AM	Coya Therapeutics Provides a Corporate Update and Reports Unaudited Third Quarter 2024 Financial Results (Business Wire) +7.72%
Nov-01-24 08:15AM	Coya Therapeutics Announces Arun Swaminathan, Ph.D. Assumes New Role as Chief Executive Officer (Business Wire)
Oct-30-24 08:29AM	Coya Therapeutics Reports Positive Phase 2 Alzheimers Trial Results (TipRanks) -9.70%
Oct-29-24 02:36PM	Coya Therapeutics' High-Dose Interleukin-2 Misses The Mark In Mid-Stage Alzheimer's Study (Benzinga) -27.67%
06:30AM	Coya Therapeutics Announces Positive Results of a Double-Blind Study of Subcutaneous Low-Dose Interleukin-2 (LD IL-2) in Alzheimer's Disease (AD) Presented at the Clinical Trials on Alzheimer's Disease Conference (CTAD24) in Madrid (Spain) (Business Wire)
Oct-28-24 08:00AM	Coya Therapeutics Announces Conference Call to Report Results from an Investigator-Initiated Phase 2 Trial of Low-Dose Interleukin-2 in Patients with Mild to Moderate Alzheimers Disease (Business Wire) +13.73%
Oct-23-24 04:05PM	Coya Therapeutics Announces Closing of $10.0 Million Private Placement (Business Wire)
Oct-22-24 09:00AM	Coya Therapeutics Announces $10.0 Million Private Placement (Business Wire) +16.44%
Oct-08-24 09:15AM	Coya Therapeutics Chairman and CEO Howard Berman Selected for PharmaVoice 100 (Business Wire)
Sep-24-24 08:15AM	Coya Therapeutics to Participate in Fireside Chat at the Chardan 8th Annual Genetic Medicines Conference (Business Wire)
Sep-16-24 08:15AM	Coya Therapeutics Announces Subcutaneously Administered COYA 302 Elicits Direct Anti-Inflammatory Effect in Brain in a Preclinical Inflammatory Mouse Model of Parkinson's Disease (Business Wire)
Sep-03-24 08:15AM	Coya Therapeutics to Present at Upcoming Healthcare Conferences (Business Wire)
Aug-19-24 09:00AM	Coya Therapeutics Promotes Arun Swaminathan Ph.D. to Chief Executive Officer Effective November 1st, 2024 (Business Wire) +9.77%
Aug-12-24 08:00AM	Coya Therapeutics Provides a Corporate Update and Reports Unaudited Second Quarter 2024 Financial Results (Business Wire) -12.87%
Aug-02-24 08:15AM	Coya Therapeutics Announces that Results from a Double-Blind Placebo-Controlled Study in Alzheimer's Disease will be presented on October 29, 2024 at the Clinical Trials on Alzheimer's Disease Conference (CTAD24) in Madrid (Business Wire) -6.53%
Jul-31-24 08:15AM	Coya Therapeutics Expands Pipeline and Intellectual Property Portfolio with Filing of New U.S. Patents for COYA 301 in Combination with Glucagon-Like Peptide-1 (GLP-1) Receptor Agonists (Business Wire)
Jun-20-24 08:15AM	Coya Therapeutics Expands Sponsored Research Collaboration with Houston Methodist Research Institute Along with Funding from the Johnson Center for Cellular Therapeutics to Advance Regulatory T Cell Exosome Platform into the Clinic (Business Wire)
Jun-11-24 08:15AM	Coya Therapeutics Announces Publication of ALS Study in Peer-Reviewed Journal Frontiers in Neurology (Business Wire) +12.68%
Jun-03-24 08:15AM	Coya Therapeutics Announces Acceptance of Peer-Reviewed Manuscript in the Medical Journal: Frontiers in Neurology (Business Wire)
May-28-24 08:15AM	Coya Therapeutics Announces Inclusion in the MSCI USA Micro Cap Index (Business Wire)
May-27-24 12:32PM	7 Biotech Stocks to Put on Your Breakthrough Radar (InvestorPlace)
11:43AM	EXCLUSIVE: Coya Therapeutics, Focused On Neurodegenerative Diseases Has Gained 70% Since IPO; CEO Highlights Efforts On Combination Therapy For Rare Diseases (Benzinga)
May-23-24 08:52AM	Coya Therapeutics concludes Phase II Alzheimers therapy trial (Clinical Trials Arena)
May-22-24 08:15AM	Coya Therapeutics Announces the Completion of a Controlled Phase 2 Study of Low Dose Interleukin-2 (LD IL-2) in Patients with Alzheimers Disease (Business Wire)
May-20-24 09:10AM	Coya Therapeutics Receives $5 Million Equity Investment from Alzheimer's Drug Discovery Foundation (MT Newswires)
08:15AM	Coya Therapeutics Announces $5 Million Strategic Investment by the Alzheimer's Drug Discovery Foundation (ADDF) (Business Wire)
May-10-24 03:54PM	Coya Therapeutics Reports First Quarter 2024 Financial Results (GuruFocus.com)
May-09-24 04:10PM	Coya Therapeutics Provides a Corporate Update and Reports Unaudited First Quarter 2024 Financial Results (Business Wire) +5.35%
Apr-26-24 08:15AM	Coya Therapeutics Presents Updated ALS Biomarker Data at the 2nd Annual Johnson Center Symposium (Business Wire)
Apr-22-24 08:15AM	Coya Therapeutics to Participate in the Mizuho Neuroscience Summit (Business Wire)
Apr-18-24 08:15AM	Coya Therapeutics to Participate in the 3rd Annual ALS Drug Development Summit (Business Wire)
Apr-08-24 08:15AM	Coya Therapeutics Scientific Advisory Board Chairman Dr. Stanley Appel to Present Updated ALS Biomarker Data at the 2nd Annual Johnson Center Symposium (Business Wire)
Mar-21-24 05:31AM	Coya Therapeutics Inc (COYA) Reports Fiscal 2023 Financial Results and Corporate Updates (GuruFocus.com)
Mar-19-24 09:53PM	COYA Stock Earnings: Coya Therapeutics Reported Results for Q4 2023 (InvestorPlace)
08:15AM	Coya Therapeutics Provides a Corporate Update and Reports Fiscal 2023 Financial Results (Business Wire)
Mar-12-24 09:00AM	Coya Therapeutics to Participate in BTIG Fireside Discussion (Business Wire) -7.68%
08:00AM	Coya Therapeutics Presents ALS Biomarker Data at Society of Neuroimmune Pharmacology Conference (Business Wire)
Mar-06-24 08:15AM	Coya Therapeutics Presents Biomarker Data on Neuroinflammatory Pathways in Frontotemporal Dementia (FTD) at the AD/PD 2024 Conference (Business Wire)
Feb-29-24 08:15AM	Coya Therapeutics to Present Data on Immune System and Regulatory T Cell (Treg) Contributions in Frontotemporal Dementia (FTD) Patients at AD/PD 2024 Conference (Business Wire) -5.86%
Feb-22-24 08:15AM	Coya Therapeutics to Present Novel Biomarker Survival Data in Large Cohort of ALS (Amyotrophic Lateral Sclerosis) Patients at Society of Neuroimmune Pharmacology Conference (Business Wire)

Coya Therapeutics, Inc. is a clinical-stage biotechnology company which engages in developing proprietary medicinal products to modulate the function of regulatory T cells. The company was founded by Howard Berman in 2020 and is headquartered in Houston, TX.

Insider Trading	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
GOLDSTEIN DOV A MD	Director	Aug 18 '25	Option Exercise	1.09	17,557	19,137	27,557	Aug 19 04:01 PM

PRTA

Prothena Corporation plc

COYA

Coya Therapeutics Inc

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