Kosacz Barbara
SEC Form 4 insider trading activity
Kosacz Barbara has filed 2 SEC Form 4 filings (2 transaction rows) across 1 company, with disclosures dating back to 2026. 2 of those filings fall inside the rolling window. Most recent filing: Jul 15, 2026.
Companies traded
Other insiders at XOMA
No insider trading data found for Kosacz Barbara.
Frequently asked questions
How many SEC Form 4 filings has Kosacz Barbara made?
Kosacz Barbara has filed 2 SEC Form 4 filings (2 transaction rows) across 1 company since 2026.
Which companies does Kosacz Barbara trade?
Kosacz Barbara has filed SEC Form 4 disclosures for 1 company, including XOMA.
When was Kosacz Barbara's most recent SEC Form 4 filing?
Kosacz Barbara's most recent SEC Form 4 filing on Tracefour is dated Jul 15, 2026.