4basebio (4BB) Insider Trading & Ownership GBX 800 +25.00 (+3.23%) As of 10/8/2025 09:55 AM Eastern Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesBuy This Stock 4basebio (LON:4BB) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage12.04%Number OfInsiders Buying(Last 12 Months)2Amount OfInsider Buying(Last 12 Months)£672.92KNumber OfInsiders Selling(Last 12 Months)0 Get 4BB Insider Trade Alerts Want to know when executives and insiders are buying or selling 4basebio stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. 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Read our full terms of service and privacy policy. 4BB Insider Buying and Selling by Quarter 4basebio 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 TransactionDetails9/29/2025Heikki LanckrietInsiderBuy2,000GBX 749£14,9804/2/2025Heikki LanckrietInsiderBuy2,400GBX 1,205£28,9202/28/2025Amy WalkerInsiderBuy1,151GBX 1,120£12,891.2011/15/2024Heikki LanckrietInsiderBuy46,500GBX 1,325£616,125 (Data available from 1/1/2013 forward) 4BB Insider Trading Activity - Frequently Asked Questions Who is on 4basebio's Insider Roster? The list of insiders at 4basebio includes Amy Walker, and Heikki Lanckriet. Learn more on insiders at 4BB. What percentage of 4basebio stock is owned by insiders? 12.04% of 4basebio stock is owned by insiders. Learn more on 4BB's insider holdings. Which 4basebio insiders have been buying company stock? The following insiders have purchased 4BB shares in the last 24 months: Amy Walker (£12,891.20), and Heikki Lanckriet (£660,025). How much insider buying is happening at 4basebio? Insiders have purchased a total of 52,051 4BB shares in the last 24 months for a total of £672,916.20 bought. 4basebio Key ExecutivesDr. Heikki Lanckriet Ph.D. (Age 47)CEO, Chief Scientific Officer & Executive Director Compensation: $441.2kMr. David Roth (Age 57)CFO, Company Secretary & Executive Director Compensation: $317.9k More Insider Trading Tools from MarketBeat Related Companies PureTech Health Insider Buying Faron Pharmaceuticals Oy Insider Buying Bioventix Insider Buying Scancell Insider Buying Sareum Insider Buying Arecor Therapeutics Insider Buying Poolbeg Pharma Insider Buying Fusion Antibodies Insider Buying IXICO Insider Buying Oxford BioDynamics Insider Buying 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 Marvell Insiders Buy Shares—Should Investors Follow Suit?This Insider Just Made a Massive Bet on Transocean's ComebackInsider Sales Jump at Broadcom and CoreWeave: Red Flag Ahead?Oklo Insiders Sell! 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