Summary
Updated Aug 31, 2026
Helena Helmersson files SEC Form 4 reports at On Holding AG (ONON). 3 SEC Form 4 filings on record, most recently on 29 June 2026.
Recent Transactions
4Every recent SEC Form 4 transaction Helena Helmersson has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Helena Helmersson go back to 2026: 3 primary Form 4 filings, an average of 3.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Helena Helmersson 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.
- Caspar Felix Coppetti - $4.19M of ONON open-market activity in the last 12 months
- Olivier Bernhard - $4.19M of ONON open-market activity in the last 12 months
- David Michael Allemann - $2.20M of ONON open-market activity in the last 12 months
- Martin Hoffmann - $880K of ONON open-market activity in the last 12 months
- Scott Andrew Maguire - $55K of ONON open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Helena Helmersson?
Helena Helmersson is a corporate insider of On Holding AG (ONON). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Helena Helmersson submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Where can I see all of Helena Helmersson's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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