
Bart Jan Cornelissen
SR. VICE PRESIDENT & CFO · Xencor Inc
- 2026
- Apr 13, 2026
- 3
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Bart Jan Cornelissen files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Bassil I. Dahiyat - $320K in XNCR purchases and sales in the last 12 months
- John R. Desjarlais - $106K in XNCR purchases and sales in the last 12 months
- Kevin Charles Gorman - $93K in XNCR purchases and sales in the last 12 months
- Ellen Feigal - $89K in XNCR purchases and sales in the last 12 months
- Celia Eckert - $74K in XNCR purchases and sales in the last 12 months
- Kurt A. Gustafson - $67K in XNCR purchases and sales in the last 12 months
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Frequently asked questions
Who is Bart Jan Cornelissen?
Bart Jan Cornelissen is a corporate insider, tracked as SR. VICE PRESIDENT & CFO of Xencor Inc (XNCR). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Bart Jan Cornelissen last file a Form 4?
The most recent primary Form 4 on record is dated 13 April 2026, one of 3 filings going back to 2026.
Has Bart Jan Cornelissen been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($71K) across all tracked filings.