Helena Helmersson - 24 Sep 2026 Form 4 Insider Report for On Holding AG (ONON)

Reporting relationship: Director
Issuer ticker: ONON
Reported as of: 24 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 28 Sep 2026, 06:16:37 UTC
Prior SEC filing: 23 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Zlatina Iliev, Attorney-in-Fact

Key filing fact

Helena Helmersson filed Form 4 for On Holding AG (ONON) on 28 Sep 2026.

Key facts

This page summarizes Helena Helmersson's Form 4 filing for On Holding AG (ONON).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 28 Sep 2026, 06:16.

Change

Previous filing in this sequence was filed on 23 Sep 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002112397 Primary reporting owner

Helmersson Helena

Relationship: Director
Address: C/O ON HOLDING AG, FORRLIBUCKSTRASSE 190, ZURICH, SWITZERLAND
Signature: /s/ Zlatina Iliev, Attorney-in-Fact
Signature date: 28 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ONON transaction

Class A Shares

Tax liability

Transaction value
Shares: -633
Change %: -9.3%
Price: $30.16^*
Shares after: 6,189
Date: 24 Sep 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The shares are withheld at the election of the reporting person to satisfy tax withholding obligations in connection with the release of shares underlying restricted stock units granted on September 21, 2026, as reported on the Reporting Person's Form 4 filed on September 23, 2026. The transaction does not represent a discretionary trade by the Reporting Person.