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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 13.77%Institutions 34.84%82 filers

Top Institutions

Form 4 Transactions

50 most recent
DateInsiderTitleCodeSharesPriceValue
Jun 17, 2026Porter DerrellDirectorM13,040$0.0000$0.00
Jun 17, 2026Porter DerrellDirectorS13,040$2.3250$30.32K
Jun 17, 2026Porter DerrellDirectorM13,040$1.0700$13.95K
Jun 16, 2026Porter DerrellDirectorS12,800$2.3260$29.77K
Jun 15, 2026Porter DerrellDirectorM6,460$0.0000$0.00
Jun 15, 2026Porter DerrellDirectorS6,460$2.3450$15.15K
Jun 15, 2026Porter DerrellDirectorM6,460$1.0700$6.91K
Jun 9, 2026Fountain Nathan BDirectorS6,400$2.2301$14.27K
Jun 3, 2026Stoppel LauraDirectorA53,250$0.0000$0.00
Jun 3, 2026Stoppel LauraDirectorA35,500$0.0000$0.00
Jun 3, 2026Golumbeski GeorgeDirectorA53,250$0.0000$0.00
Jun 3, 2026Golumbeski GeorgeDirectorA35,500$0.0000$0.00
Jun 3, 2026Ives Jeffrey L.DirectorA53,250$0.0000$0.00
Jun 3, 2026Ives Jeffrey L.DirectorA35,500$0.0000$0.00
Jun 3, 2026Porter DerrellDirectorA53,250$0.0000$0.00
Jun 3, 2026Porter DerrellDirectorA35,500$0.0000$0.00
Jun 3, 2026Stalfort John A IIIDirectorA53,250$0.0000$0.00
Jun 3, 2026Stalfort John A IIIDirectorA35,500$0.0000$0.00
Jun 3, 2026Drapkin Kimberlee CDirectorA53,250$0.0000$0.00
Jun 3, 2026Drapkin Kimberlee CDirectorA35,500$0.0000$0.00
Jun 3, 2026Fountain Nathan BDirectorA53,250$0.0000$0.00
Jun 3, 2026Fountain Nathan BDirectorA35,500$0.0000$0.00
Jun 3, 2026RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerA53,250$0.0000$0.00
Jun 3, 2026RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerA35,500$0.0000$0.00
Mar 16, 2026RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerA6,060,606$3.3000$20.00M
Mar 6, 2026Meisner Derek MChief Legal Officer & Corp SecM2,090$0.0000$0.00
Mar 6, 2026Meisner Derek MChief Legal Officer & Corp SecS2,090$3.2600$6.81K
Mar 6, 2026Meisner Derek MChief Legal Officer & Corp SecM2,090$1.8500$3.87K
Feb 27, 2026Meisner Derek MChief Legal Officer & Corp SecM9,406$0.0000$0.00
Feb 27, 2026Meisner Derek MChief Legal Officer & Corp SecS9,406$3.0099$28.31K
Feb 27, 2026Meisner Derek MChief Legal Officer & Corp SecM9,406$1.8500$17.40K
Jan 28, 2026Meisner Derek MChief Legal Officer & Corp SecM2,671$0.0000$0.00
Jan 28, 2026Meisner Derek MChief Legal Officer & Corp SecS2,671$3.0016$8.02K
Jan 28, 2026Meisner Derek MChief Legal Officer & Corp SecM2,671$1.8500$4.94K
Jan 26, 2026Meisner Derek MChief Legal Officer & Corp SecM15,085$0.0000$0.00
Jan 26, 2026Meisner Derek MChief Legal Officer & Corp SecS15,085$3.0005$45.26K
Jan 26, 2026Meisner Derek MChief Legal Officer & Corp SecM15,085$1.8500$27.91K
Jan 23, 2026Meisner Derek MChief Legal Officer & Corp SecS5,633$1.9027$10.72K
Jan 22, 2026Barton RussellChief Operating OfficerS462$1.8400$850.00
Jan 22, 2026Zuga MattCFO & Chief Business OfficerS1,687$1.8600$3.14K
Jan 22, 2026OConnell Daniel JosephChief Executive OfficerS2,689$1.8838$5.07K
Jan 22, 2026Siemers EricChief Medical OfficerS895$1.8200$1.63K
Jan 22, 2026Meisner Derek MChief Legal Officer & Corp SecS1,054$1.8400$1.94K
Jan 21, 2026Barton RussellChief Operating OfficerS2,315$1.8060$4.18K
Jan 21, 2026Zuga MattCFO & Chief Business OfficerS2,473$1.8072$4.47K
Jan 21, 2026OConnell Daniel JosephChief Executive OfficerS9,346$1.8112$16.93K
Jan 21, 2026Siemers EricChief Medical OfficerS2,331$1.8035$4.20K
Jan 21, 2026Meisner Derek MChief Legal Officer & Corp SecS2,247$1.8083$4.06K
Jan 20, 2026OConnell Daniel JosephChief Executive OfficerA450,000$0.0000$0.00
Jan 20, 2026OConnell Daniel JosephChief Executive OfficerA299,800$0.0000$0.00