Insiders who have reported open-market trades at the same companies as Jiri Ponrt. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Robert J. Bass - $97K in GRPN purchases and sales on record
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Jiri Ponrt is a corporate insider, tracked as Chief Operating Officer of Groupon, Inc. (GRPN). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Jiri Ponrt last file a Form 4?
The most recent primary Form 4 on record is dated 6 May 2026, one of 5 filings going back to 2025.
InsiderAlpha's records for Jiri Ponrt go back to 2025: 5 primary Form 4 filings, an average of 2.5 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
