Cornelissen Bart Jan

Officer · XNCR

As of 2026-09-16, Cornelissen Bart Jan has 7 Form 4 transactions on record across 1 company — 4 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in April in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $1.8MIndirect: $0$1.8Mas of 2026-09-16
  • Direct $1.8M
  • Indirect $0
XNCRdirect75,898 sh$1.8M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

XNCR · 7 trades
2026-04-10: Sale, 3,499 sh ($43K)2026-03-05: Sale, 2,517 sh ($28K)2026-03-02: Award / grant, 19,458 sh ($0)2026-03-02: Award / grant, 116,750 sh ($0)2025-04-10: Sale, 3,750 sh ($30K)2025-03-04: Award / grant, 65,847 sh ($0)2025-03-04: Award / grant, 21,949 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-04-10XNCRSale3,499 @ $12.29$43K−4.4% of holding75,898Form 4
2026-03-05XNCRSale2,517 @ $11.25$28K−3.1% of holding79,397Form 4
2025-04-10XNCRSale3,750 @ $8.06$30K−5.8% of holding61,348Form 4
4 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-02XNCRAward / grant19,45881,914Form 4
2026-03-02XNCRAward / grant116,750116,750Form 4
2025-03-04XNCRAward / grant65,84765,847Form 4
2025-03-04XNCRAward / grant21,94965,098Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.