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Stockfacts

EOD US-equity data for investors and AI agents

Data is end-of-day, not real-time, and not investment advice

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Insider Trades & Whales

Insider trades are parsed from SEC Form 4 filings (first-party). The ownership breakdown below is computed first-hand from SEC 13F-HR + Form 4 (institutions from 13F, insiders from Form 4). For the full filer list and quarter-over-quarter position changes, see the Institutional (13F) tab.

Ownership Breakdown

Insiders 0.98%Institutions 90.26%1,031 filers

Top Institutions

Form 4 Transactions

50 most recent
DateInsiderTitleCodeSharesPriceValue
Jul 1, 2026WENTWORTH TIMOTHY CDirectorA144$0.0000$0.00
Jun 4, 2026KUPPUSAMY KARTHIKSVP, Clinical SolutionsM4,827$121.8050$587.95K
Jun 4, 2026KUPPUSAMY KARTHIKSVP, Clinical SolutionsM3,320$127.7250$424.05K
Jun 4, 2026KUPPUSAMY KARTHIKSVP, Clinical SolutionsS8,147$200.0000$1.63M
Jun 4, 2026KUPPUSAMY KARTHIKSVP, Clinical SolutionsM4,827$121.8050$587.95K
Jun 4, 2026KUPPUSAMY KARTHIKSVP, Clinical SolutionsM3,320$127.7250$424.05K
Jun 1, 2026Davis J. E.CEO and PresidentS10,000$194.1400$1.94M
May 20, 2026PFEIFFER GARY MDirectorA1,142$0.0000$0.00
May 20, 2026MORRISON DENISE MDirectorA1,142$0.0000$0.00
May 20, 2026Lassiter Wright IIIDirectorA1,142$0.0000$0.00
May 20, 2026RING TIMOTHY MDirectorA1,142$0.0000$0.00
May 20, 2026Doi TraceyDirectorA1,142$0.0000$0.00
May 20, 2026WENTWORTH TIMOTHY CDirectorA1,142$0.0000$0.00
May 20, 2026MAIN TIMOTHY LDirectorA1,142$0.0000$0.00
May 20, 2026Diaz LuisDirectorA1,142$0.0000$0.00
May 20, 2026CARTER ROBERT BDirectorA1,142$0.0000$0.00
May 20, 2026Gregg Vicky BDirectorA1,142$0.0000$0.00
Apr 20, 2026KUPPUSAMY KARTHIKSVP, Clinical SolutionsL39$194.6990$7.59K
Apr 20, 2026Lassiter Wright IIIDirectorL6$194.6990$1.17K
Apr 20, 2026DELANEY MARK ESVP & Chief Commercial OfficerL37$194.6960$7.20K
Apr 20, 2026Gregg Vicky BDirectorA68$194.6980$13.24K
Apr 20, 2026Plewman PatrickSVP for Diagnostic ServicesL49$194.6990$9.54K
Apr 20, 2026CARTER ROBERT BDirectorL7$194.6990$1.36K
Apr 20, 2026SAMAD SAMExecutive Vice President & CFOA108$194.6980$21.03K
Apr 1, 2026WENTWORTH TIMOTHY CDirectorA198$0.0000$0.00
Mar 9, 2026WENTWORTH TIMOTHY CDirectorA215$0.0000$0.00
Mar 5, 2026Plewman PatrickSVP for Diagnostic ServicesS2,855$206.2100$588.73K
Mar 5, 2026PREVOZNIK MICHAEL ESVP & General CounselS3,878$206.2100$799.68K
Mar 5, 2026Doherty Catherine T.EVP, Regional BusinessesS5,558$206.2100$1.15M
Mar 4, 2026Deppe Michael JSVP, Corp. Controller & CAOF750$204.8600$153.65K
Mar 4, 2026Deppe Michael JSVP, Corp. Controller & CAOA1,473$204.8600$301.76K
Mar 4, 2026KUPPUSAMY KARTHIKSVP, Clinical SolutionsS2,628$204.8600$538.37K
Mar 4, 2026KUPPUSAMY KARTHIKSVP, Clinical SolutionsA6,200$204.8600$1.27M
Mar 4, 2026DELANEY MARK ESVP & Chief Commercial OfficerF2,326$204.8600$476.50K
Mar 4, 2026DELANEY MARK ESVP & Chief Commercial OfficerA5,682$204.8600$1.16M
Mar 4, 2026Plewman PatrickSVP for Diagnostic ServicesF2,827$204.8600$579.14K
Mar 4, 2026Plewman PatrickSVP for Diagnostic ServicesA5,682$204.8600$1.16M
Mar 4, 2026Davis J. E.CEO and PresidentF26,414$204.8600$5.41M
Mar 4, 2026Davis J. E.CEO and PresidentA51,652$204.8600$10.58M
Mar 4, 2026PREVOZNIK MICHAEL ESVP & General CounselF3,354$204.8600$687.10K
Mar 4, 2026PREVOZNIK MICHAEL ESVP & General CounselA7,232$204.8600$1.48M
Mar 4, 2026Doherty Catherine T.EVP, Regional BusinessesF5,806$204.8600$1.19M
Mar 4, 2026Doherty Catherine T.EVP, Regional BusinessesA11,364$204.8600$2.33M
Mar 4, 2026SAMAD SAMExecutive Vice President & CFOF7,720$204.8600$1.58M
Mar 4, 2026SAMAD SAMExecutive Vice President & CFOA13,947$204.8600$2.86M
Mar 3, 2026Plewman PatrickSVP for Diagnostic ServicesS410$207.7300$85.17K
Mar 3, 2026PREVOZNIK MICHAEL ESVP & General CounselS526$207.7300$109.27K
Mar 3, 2026Doherty Catherine T.EVP, Regional BusinessesS632$207.7300$131.28K
Mar 2, 2026Deppe Michael JSVP, Corp. Controller & CAOF88$204.8600$18.03K
Mar 2, 2026DELANEY MARK ESVP & Chief Commercial OfficerF188$204.8600$38.51K