BioLife Solutions (BLFS) Insider Trading & Ownership $24.75 -0.53 (-2.10%) Closing price 09/23/2025 04:00 PM EasternExtended Trading$25.00 +0.25 (+1.01%) As of 09/23/2025 06:09 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock BioLife Solutions (NASDAQ:BLFS) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage2.20%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)10Amount OfInsider Selling(Last 12 Months)$52.16M Get BLFS Insider Trade Alerts Want to know when executives and insiders are buying or selling BioLife Solutions stock? 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BLFS Insider Buying and Selling by Quarter BioLife Solutions 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 TransactionDetails9/15/2025Sarah AebersoldInsiderSell714$25.61$18,285.54 9/11/2025Aby J MathewEVPSell630$26.83$16,902.90 9/11/2025Karen A FosterInsiderSell511$26.83$13,710.13 9/11/2025Sarah AebersoldInsiderSell233$26.83$6,251.39 9/11/2025Sean WernerCTOSell72$26.83$1,931.76 9/11/2025Todd BerardCMOSell358$26.83$9,605.14 9/11/2025Troy WichtermanCFOSell1,032$26.83$27,688.56 8/26/2025Aby J MathewEVPSell531$25.44$13,508.64 8/26/2025Karen A FosterInsiderSell413$25.44$10,506.72 8/26/2025Sarah AebersoldInsiderSell219$25.44$5,571.36 Get Insider Trades Delivered To Your InboxEnter your email address below to receive a concise daily summary of insider buying activity, insider selling activity and changes in hedge fund holdings. 8/26/2025Sean WernerCTOSell111$25.44$2,823.84 8/26/2025Todd BerardCMOSell354$25.44$9,005.76 8/26/2025Troy WichtermanCFOSell590$25.44$15,009.60 8/25/2025Todd BerardCMOSell10,000$25.53$255,300.00 8/15/2025Casdin Partners Master Fund, LMajor ShareholderSell500,000$24.40$12,200,000.00 8/11/2025Casdin Partners Master Fund, LMajor ShareholderSell500,000$22.60$11,300,000.00 7/18/2025Sean WernerCTOSell1,115$21.22$23,660.30 7/7/2025Aby J MathewEVPSell536$22.27$11,936.72 7/7/2025Karen A FosterInsiderSell400$22.27$8,908.00 7/7/2025Sarah AebersoldInsiderSell198$22.27$4,409.46 7/7/2025Todd BerardCMOSell304$22.27$6,770.08 7/7/2025Troy WichtermanCFOSell877$22.27$19,530.79 6/16/2025Sarah AebersoldInsiderSell711$22.23$15,805.53 6/10/2025Aby J MathewEVPSell637$23.70$15,096.90 6/10/2025Casdin Partners Master Fund, LMajor ShareholderSell1,000,000$23.80$23,800,000.00 6/10/2025Karen A FosterInsiderSell320$23.70$7,584.00 6/10/2025Sarah AebersoldInsiderSell235$23.70$5,569.50 6/10/2025Sean WernerCTOSell65$23.70$1,540.50 6/10/2025Todd BerardCMOSell362$23.70$8,579.40 6/10/2025Troy WichtermanCFOSell1,042$23.70$24,695.40 5/28/2025Aby J MathewEVPSell521$22.46$11,701.66 5/28/2025Karen A FosterInsiderSell251$22.46$5,637.46 5/28/2025Sarah AebersoldInsiderSell217$22.46$4,873.82 5/28/2025Sean WernerCTOSell109$22.46$2,448.14 5/28/2025Todd BerardCMOSell348$22.46$7,816.08 5/28/2025Troy WichtermanCFOSell583$22.46$13,094.18 4/9/2025Aby J MathewEVPSell569$20.11$11,442.59 4/9/2025Sarah AebersoldInsiderSell210$20.11$4,223.10 4/9/2025Todd BerardCMOSell324$20.11$6,515.64 4/9/2025Troy WichtermanCFOSell932$20.11$18,742.52 4/1/2025Aby J MathewEVPSell10,589$22.66$239,946.74 4/1/2025Sarah AebersoldInsiderSell5,771$22.66$130,770.86 4/1/2025Todd BerardCMOSell8,902$22.66$201,719.32 4/1/2025Troy WichtermanCFOSell25,687$22.66$582,067.42 3/17/2025Sarah AebersoldInsiderSell2,695$25.44$68,560.80 3/14/2025Sarah AebersoldInsiderSell5,632$24.96$140,574.72 3/11/2025Aby J MathewEVPSell1,597$25.00$39,925.00 3/11/2025Sarah AebersoldInsiderSell1,091$25.00$27,275.00 3/11/2025Todd BerardCMOSell1,577$25.00$39,425.00 3/11/2025Troy WichtermanCFOSell4,151$25.00$103,775.00 3/3/2025Aby J MathewEVPSell425$25.46$10,820.50 3/3/2025Karen A FosterInsiderSell324$25.46$8,249.04 3/3/2025Sean WernerCTOSell136$25.46$3,462.56 3/3/2025Todd BerardCMOSell424$25.46$10,795.04 3/3/2025Troy WichtermanCFOSell660$25.46$16,803.60 2/12/2025Aby J MathewEVPSell92$26.54$2,441.68 2/12/2025Karen A FosterInsiderSell78$26.54$2,070.12 2/12/2025Todd BerardCMOSell102$26.54$2,707.08 2/12/2025Troy WichtermanCFOSell159$26.54$4,219.86 1/6/2025Aby J MathewEVPSell404$27.02$10,916.08 1/6/2025Sarah AebersoldInsiderSell240$27.02$6,484.80 1/6/2025Todd BerardCMOSell343$27.02$9,267.86 1/6/2025Troy WichtermanCFOSell987$27.02$26,668.74 12/16/2024Aby J MathewEVPSell7,604$27.33$207,817.32 11/26/2024Aby J MathewEVPSell523$27.20$14,225.60 11/26/2024Sarah AebersoldInsiderSell216$27.20$5,875.20 11/26/2024Todd BerardCMOSell349$27.20$9,492.80 11/26/2024Troy WichtermanCFOSell581$27.20$15,803.20 11/18/2024Aby J MathewEVPSell17,604$20.05$352,960.20 11/15/2024Aby J MathewEVPSell25,000$21.17$529,250.00 11/12/2024Aby J MathewEVPSell123$26.34$3,239.82 11/12/2024Karen A FosterInsiderSell66$26.34$1,738.44 11/12/2024Todd BerardCMOSell91$26.34$2,396.94 11/12/2024Troy WichtermanCFOSell147$26.19$3,849.93 10/31/2024Greef Roderick DeCEOSell46,896$23.43$1,098,773.28 10/30/2024Aby J MathewEVPSell547$23.15$12,663.05 10/30/2024Sarah AebersoldInsiderSell203$23.15$4,699.45 10/30/2024Todd BerardCMOSell311$23.15$7,199.65 10/30/2024Troy WichtermanCFOSell894$23.15$20,696.10 10/15/2024Aby J MathewEVPSell10,000$23.28$232,800.00 (Data available from 1/1/2013 forward) BLFS Insider Trading Activity - Frequently Asked Questions Who is on BioLife Solutions' Insider Roster? The list of insiders at BioLife Solutions includes Aby J Mathew, Amy Duross, Casdin Partners Master Fund, L, Garrie Richardson, Geraint Phillips, Greef Roderick De, Karen A Foster, Marcus Schulz, Michael Rice, Sarah Aebersold, Sean Werner, Todd Berard, and Troy Wichterman. Learn more on insiders at BLFS. What percentage of BioLife Solutions stock is owned by insiders? 2.20% of BioLife Solutions stock is owned by insiders. Learn more on BLFS's insider holdings. Which BioLife Solutions insiders have been buying company stock? The following insider purchased BLFS shares in the last 24 months: Casdin Partners Master Fund, L ($10,374,976.35). How much insider buying is happening at BioLife Solutions? Insiders have purchased a total of 927,165 BLFS shares in the last 24 months for a total of $10,374,976.35 bought. Which BioLife Solutions insiders have been selling company stock? The following insiders have sold BLFS shares in the last 24 months: Aby J Mathew ($2,086,271.00), Amy Duross ($103,436.10), Casdin Partners Master Fund, L ($47,300,000.00), Garrie Richardson ($77,118.40), Geraint Phillips ($40,558.50), Greef Roderick De ($1,263,386.60), Karen A Foster ($141,584.39), Michael Rice ($674,632.35), Sarah Aebersold ($605,609.65), Sean Werner ($35,867.10), Todd Berard ($1,036,074.16), and Troy Wichterman ($1,030,655.85). How much insider selling is happening at BioLife Solutions? Insiders have sold a total of 2,367,263 BioLife Solutions shares in the last 24 months for a total of $54,395,194.10 sold. BioLife Solutions Key ExecutivesMr. Roderick de Greef (Age 64)CEO & Chairman Compensation: $1.63MMr. Troy Wichterman (Age 39)Chief Financial Officer Compensation: $485.2k7 recent tradesMs. Karen Foster (Age 64)Chief Quality & Operations Officer Compensation: $395.2k5 recent tradesDr. Aby J. Mathew Ph.D. (Age 52)Chairman of Scientific Advisory Board, Executive VP & Chief Scientific Officer Compensation: $448.2kMr. Todd Berard (Age 55)Chief Marketing Officer Compensation: $286.49k8 recent tradesMs. Sarah Aebersold J.D. (Age 48)Chief Human Resources Officer 9 recent tradesMr. Garrie Richardson B.Sc. 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