Trading of Protagenic Therapeutics was halted at 09:30 AM EST due to "LULD pause". Protagenic Therapeutics (PTIX) Insider Trading & Ownership $2.85 -0.28 (-9.08%) Closing price 04:00 PM EasternExtended Trading$2.81 -0.04 (-1.26%) As of 07:59 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisChartCompetitorsEarningsInsider TradesSEC FilingsShort InterestTrendsBuy This Stock Protagenic Therapeutics (NASDAQ:PTIX) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage35.00%Number OfInsiders Buying(Last 3 Years)1Amount OfInsider Buying(Last 3 Years)$22,810.00Number OfInsiders Selling(Last 3 Years)0 Get PTIX Insider Trade Alerts Want to know when executives and insiders are buying or selling Protagenic Therapeutics stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address PTIX Insider Buying and Selling by Quarter Protagenic Therapeutics Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame * Start Date * End Date Export to Excel Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails10/12/2023Alexander K ArrowCFOBuy8,000$0.81$6,480.00 5/17/2022Alexander K ArrowCFOBuy23,000$0.71$16,330.00 (Data available from 1/1/2013 forward) PTIX Insider Trading Activity - Frequently Asked Questions Who is on Protagenic Therapeutics's Insider Roster? The list of insiders at Protagenic Therapeutics includes Alexander K Arrow. Learn more on insiders at PTIX. What percentage of Protagenic Therapeutics stock is owned by insiders? 35.00% of Protagenic Therapeutics stock is owned by insiders. Learn more on PTIX's insider holdings. Which Protagenic Therapeutics insiders have been buying company stock? The following insider purchased PTIX shares in the last 24 months: Alexander K Arrow ($6,480.00). How much insider buying is happening at Protagenic Therapeutics? Insiders have purchased a total of 8,000 PTIX shares in the last 24 months for a total of $6,480.00 bought. Protagenic Therapeutics Key ExecutivesDr. Garo H. Armen Ph.D. (Age 71)Co-Founder & Executive Chairman of the Board Dr. Alexander Kenneth Arrow C.F.A. (Age 53)M.D., CFO & Secretary Compensation: $150kDr. Andrew Slee Ph.D. (Age 74)Chief Operating Officer Dr. Robert Benjamin Stein M.D. (Age 73)Ph.D., Chief Medical Officer & Director More Insider Trading Tools from MarketBeat Related Companies GT Biopharma Insider Selling Fresh Tracks Therapeutics Insider Selling Soligenix Insider Selling Ensysce Biosciences Insider Selling Adial Pharmaceuticals Insider Selling 180 Life Sciences Insider Selling Pasithea Therapeutics Insider Selling Sonnet BioTherapeutics Insider Selling AEON Biopharma Insider Selling Alzamend Neuro Insider Selling Insider Tracking Tools CEO Purchases/Sales CFO Purchases/Sales Top Insider Buying Stocks Top Insider Selling Stocks Insider Trades Screener Insider Trades Newsletter Congressional Stock Trades Insider Trading By Country U.S. Insider Trading Activity Canadian Insider Trading Activity U.K. Insider Trading Activity Australia Insider Trading Activity Latest Articles McDonald’s Insiders Sell Shares! Investors Should Do the Opposite5 Mid-Cap Stocks Insiders Are Buying This YearInsider Buying in This Stock Reiterates Analysts Bullish OutlookBeware of BigBear.ai: Insiders Are Selling—Should You?XPO Buying $50 Million of Its Own Stock: Here's Why This page (NASDAQ:PTIX) was last updated on 5/5/2025 by MarketBeat.com Staff From Our PartnersElon’s Terrifying Warning Forces Trump To Take ActionElon Musk has avoided two major financial crises before. He pulled Tesla and SpaceX back from the brink of col...American Hartford Gold | SponsoredTrump’s Bitcoin Reserve is No Accident…Bryce Paul believes this is the #1 coin to buy right now The catalyst behind this surge is a massive new b...Crypto 101 Media | SponsoredMost traders are panicking. We’re cashing inMost traders are panicking right now. Bitcoin’s dropping. Altcoins are bleeding. 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