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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 35.57%Institutions 93.29%142 filers

Top Institutions

Form 4 Transactions

50 most recent
DateInsiderTitleCodeSharesPriceValue
Jun 15, 2026Scheiner ZacharyDirectorA22,100$0.0000$0.00
Jun 15, 2026Thunen Shelley BDirectorA22,100$0.0000$0.00
Jun 15, 2026Guerard FredericDirectorA22,100$0.0000$0.00
Jun 15, 2026MCCOLLUM JAMES WDirectorA22,100$0.0000$0.00
Jun 15, 2026George Jeffrey P.DirectorA22,100$0.0000$0.00
Jun 15, 2026Drapkin Kimberlee CDirectorA22,100$0.0000$0.00
Jun 15, 2026RA CAPITAL MANAGEMENT, L.P.Director, 10% OwnerA22,100$0.0000$0.00
Mar 27, 2026Schimmelpennink Evert B.President, CEO and SecretaryP28,089$8.9505$251.41K
Mar 27, 2026Chevallard Daniel R.Chief Financial OfficerP7,500$8.5700$64.28K
Mar 27, 2026George Jeffrey P.DirectorP5,592$8.9217$49.89K
Jan 2, 2026Schimmelpennink Evert B.President, CEO and SecretaryA358,100$0.0000$0.00
Jan 2, 2026Chevallard Daniel R.Chief Financial OfficerA14,000$0.0000$0.00
Jan 2, 2026Chevallard Daniel R.Chief Financial OfficerA84,200$0.0000$0.00
Jan 2, 2026Odrich MarcChief Medical OfficerA14,000$0.0000$0.00
Jan 2, 2026Odrich MarcChief Medical OfficerA84,200$0.0000$0.00
Jan 2, 2026Olsson ShawnChief Commercial OfficerA14,000$0.0000$0.00
Jan 2, 2026Olsson ShawnChief Commercial OfficerA84,200$0.0000$0.00
Nov 17, 2025Olsson ShawnChief Commercial OfficerM10,000$0.0000$0.00
Nov 17, 2025Olsson ShawnChief Commercial OfficerS5,788$26.3669$152.61K
Nov 17, 2025Olsson ShawnChief Commercial OfficerS4,212$25.7385$108.41K
Nov 17, 2025Olsson ShawnChief Commercial OfficerM10,000$2.0800$20.80K
Nov 7, 2025Chevallard Daniel R.Chief Financial OfficerP2,178$22.7561$49.56K
Nov 7, 2025Chevallard Daniel R.Chief Financial OfficerP20$22.7100$454.00
Nov 7, 2025MCCOLLUM JAMES WDirectorP10,500$22.7884$239.28K
Sep 30, 2025Versant Venture Capital VI, L.P.10% OwnerS123$47.0133$5.78K
Sep 30, 2025Versant Venture Capital VI, L.P.10% OwnerS177$47.0133$8.32K
Sep 30, 2025Versant Venture Capital VI, L.P.10% OwnerS57,502$46.4068$2.67M
Sep 30, 2025Versant Venture Capital VI, L.P.10% OwnerS83,066$46.4068$3.85M
Sep 30, 2025Versant Venture Capital VI, L.P.10% OwnerS34,405$45.3547$1.56M
Sep 30, 2025Versant Venture Capital VI, L.P.10% OwnerS49,701$45.3547$2.25M
Sep 18, 2025Versant Venture Capital VI, L.P.10% OwnerS132$43.3000$5.71K
Sep 18, 2025Versant Venture Capital VI, L.P.10% OwnerS268$43.3000$11.60K
Sep 18, 2025Versant Venture Capital VI, L.P.10% OwnerS20,148$43.0038$866.44K
Sep 18, 2025Versant Venture Capital VI, L.P.10% OwnerS40,907$43.0038$1.76M
Sep 18, 2025Versant Venture Capital VI, L.P.10% OwnerS24,370$41.5908$1.01M
Sep 18, 2025Versant Venture Capital VI, L.P.10% OwnerS49,479$41.5908$2.06M
Aug 26, 2025Versant Venture Capital VI, L.P.10% OwnerS1,707$39.5022$67.43K
Aug 26, 2025Versant Venture Capital VI, L.P.10% OwnerS3,465$39.5022$136.88K
Aug 26, 2025Versant Venture Capital VI, L.P.10% OwnerS21,661$38.9744$844.22K
Aug 26, 2025Versant Venture Capital VI, L.P.10% OwnerS43,978$38.9744$1.71M
Aug 25, 2025Versant Venture Capital VI, L.P.10% OwnerS1,058$39.9212$42.24K
Aug 25, 2025Versant Venture Capital VI, L.P.10% OwnerS2,149$39.9212$85.79K
Aug 25, 2025Versant Venture Capital VI, L.P.10% OwnerS24,760$39.5255$978.65K
Aug 25, 2025Versant Venture Capital VI, L.P.10% OwnerS50,270$39.5255$1.99M
Aug 22, 2025Versant Venture Capital VI, L.P.10% OwnerS2,809$40.5899$114.02K
Aug 22, 2025Versant Venture Capital VI, L.P.10% OwnerS5,668$40.5899$230.06K
Aug 22, 2025Versant Venture Capital VI, L.P.10% OwnerS10,076$40.0297$403.34K
Aug 22, 2025Versant Venture Capital VI, L.P.10% OwnerS20,493$40.0297$820.33K
Aug 18, 2025Versant Venture Capital VI, L.P.10% OwnerS15,085$38.5611$581.69K
Aug 18, 2025Versant Venture Capital VI, L.P.10% OwnerS30,628$38.5611$1.18M