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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 14.29%Institutions 0.00%– filers

Top Institutions

Unavailable

Form 4 Transactions

50 most recent
DateInsiderTitleCodeSharesPriceValue
Jun 22, 2026Kooij Louise FrederikaChief Accounting OfficerM15,000$0.0000$0.00
Jun 22, 2026Kooij Louise FrederikaChief Accounting OfficerM25,000$0.0000$0.00
Jun 22, 2026Kooij Louise FrederikaChief Accounting OfficerS300$30.7300$9.22K
Jun 22, 2026Kooij Louise FrederikaChief Accounting OfficerS39,700$30.2000$1.20M
Jun 22, 2026Kooij Louise FrederikaChief Accounting OfficerM15,000$11.9000$178.50K
Jun 22, 2026Kooij Louise FrederikaChief Accounting OfficerM25,000$10.9000$272.50K
May 26, 2026Kooij Louise FrederikaChief Accounting OfficerM5,000$0.0000$0.00
May 26, 2026Kooij Louise FrederikaChief Accounting OfficerM60,000$0.0000$0.00
May 26, 2026Kooij Louise FrederikaChief Accounting OfficerS65,000$35.6900$2.32M
May 26, 2026Kooij Louise FrederikaChief Accounting OfficerM5,000$10.9000$54.50K
May 26, 2026Kooij Louise FrederikaChief Accounting OfficerM60,000$10.0000$600.00K
Mar 11, 2026LANGE LOUIS GDirectorS446$31.2300$13.93K
Mar 11, 2026LANGE LOUIS GDirectorS44,173$30.4100$1.34M
Mar 9, 2026Kastelein Johannes Jacob PieterChief Scientific OfficerM101,409$0.0000$0.00
Mar 9, 2026Kastelein Johannes Jacob PieterChief Scientific OfficerS101,409$30.2900$3.07M
Mar 9, 2026Kastelein Johannes Jacob PieterChief Scientific OfficerM101,409––
Mar 9, 2026LANGE LOUIS GDirectorX44,619$0.0000$0.00
Mar 9, 2026LANGE LOUIS GDirectorX44,619$11.5000$513.12K
Mar 6, 2026Kastelein Johannes Jacob PieterChief Scientific OfficerM94,124$0.0000$0.00
Mar 6, 2026Kastelein Johannes Jacob PieterChief Scientific OfficerS94,124$30.3200$2.85M
Mar 6, 2026Kastelein Johannes Jacob PieterChief Scientific OfficerM94,124––
Mar 6, 2026LANGE LOUIS GDirectorS28,186$29.4100$828.95K
Mar 5, 2026Kastelein Johannes Jacob PieterChief Scientific OfficerM104,467$0.0000$0.00
Mar 5, 2026Kastelein Johannes Jacob PieterChief Scientific OfficerS104,467$30.3000$3.17M
Mar 5, 2026Kastelein Johannes Jacob PieterChief Scientific OfficerM104,467––
Mar 2, 2026Davidson Michael H.Chief Executive OfficerM443,707$0.0000$0.00
Mar 2, 2026Davidson Michael H.Chief Executive OfficerS443,707$33.2500$14.75M
Mar 2, 2026Davidson Michael H.Chief Executive OfficerM443,707––
Feb 26, 2026Davidson Michael H.Chief Executive OfficerM183,332$0.0000$0.00
Feb 26, 2026Davidson Michael H.Chief Executive OfficerS17,924$34.4400$617.30K
Feb 26, 2026Davidson Michael H.Chief Executive OfficerS165,408$33.6300$5.56M
Feb 26, 2026Davidson Michael H.Chief Executive OfficerM183,332––
Feb 25, 2026Davidson Michael H.Chief Executive OfficerM58,253$0.0000$0.00
Feb 25, 2026Davidson Michael H.Chief Executive OfficerS1,300$36.6800$47.68K
Feb 25, 2026Davidson Michael H.Chief Executive OfficerS10,436$35.9600$375.28K
Feb 25, 2026Davidson Michael H.Chief Executive OfficerS46,517$35.1100$1.63M
Feb 25, 2026Davidson Michael H.Chief Executive OfficerM58,253––
Feb 24, 2026Davidson Michael H.Chief Executive OfficerM64,708$0.0000$0.00
Feb 24, 2026Davidson Michael H.Chief Executive OfficerS3,161$36.4600$115.25K
Feb 24, 2026Davidson Michael H.Chief Executive OfficerS61,547$36.1300$2.22M
Feb 24, 2026Davidson Michael H.Chief Executive OfficerM64,708––
Feb 20, 2026Kastelein Johannes Jacob PieterChief Scientific OfficerS30,789$35.4600$1.09M
Feb 20, 2026Kastelein Johannes Jacob PieterChief Scientific OfficerS14,692$35.0000$514.22K
Jan 28, 2026Kooij Louise FrederikaChief Accounting OfficerM32,612$0.0000$0.00
Jan 28, 2026Kooij Louise FrederikaChief Accounting OfficerS32,612$31.8000$1.04M
Jan 28, 2026Kooij Louise FrederikaChief Accounting OfficerM32,612$10.9000$355.47K
Jan 27, 2026Kooij Louise FrederikaChief Accounting OfficerM39,816$0.0000$0.00
Jan 27, 2026Kooij Louise FrederikaChief Accounting OfficerS39,816$32.6200$1.30M
Jan 27, 2026Kooij Louise FrederikaChief Accounting OfficerM39,816$10.9000$433.99K
Jan 26, 2026Kooij Louise FrederikaChief Accounting OfficerM34,400$0.0000$0.00