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In connection with the conversion, the exercise price was adjusted from 0.773 to 7.73 per share. Except for the change in the class and number of underlying securities and the corresponding exercise price adjustment, the terms of such options remained unchanged."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Effective as of March 24, 2026, 1,051,966 options to purchase Class B ordinary shares held by the Reporting Person were converted based on a board resolution into 105,197 options to purchase Class A ordinary shares. In connection with the conversion, the exercise price was adjusted from 0.773 to 7.73 per share. Except for the change in the class and number of underlying securities and the corresponding exercise price adjustment, the terms of such options remained unchanged."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Stock Option granted under the Issuer's Long Term Incentive Plan 2020 (the "LTIP 2020"). All options granted under the LTIP 2020 met their full vesting requirements in connection with the Issuer's initial public offering in September 2021, which constituted an exit event. Outstanding awards under the LTIP 2020 are fully vested and exercisable. Vested options may be exercised until the seventh anniversary of the contractual granting date."}],"balance_after":105197,"derivative":{"exercise_price":7.73,"exercise_date":"2022-12-06","expiration_date":"2029-12-06","underlying":"Class A Shares","underlying_shares":105197},"source":{"system":"sec-edgar","filing":"0001860218-26-000006","document":"form4-03252026_110335.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1860218/000186021826000006/form4-03252026_110335.xml","form_type":"4"}},{"id":828303,"issuer":{"id":3565,"kind":"organization","name":"On Holding AG","symbol":"ONON"},"owners":[{"id":51027,"kind":"person","name":"Hoffmann Martin","position":1,"cik":"0001860218","reported_name":"Hoffmann Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Non-Qualified Stock Option (Right to Buy)","published_at":"2026-03-25T11:29:39.000Z","date":"2026-03-24","kind":"other","planned":false,"acquired":false,"shares":2110534,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Effective as of March 24, 2026, 2,110,534 options to purchase Class B ordinary shares held by the Reporting Person were converted based on a board resolution into 211,053 options to purchase Class A ordinary shares. In connection with the conversion, the exercise price was adjusted from 0.773 to 7.73 per share. Except for the change in the class and number of underlying securities and the corresponding exercise price adjustment, the terms of such options remained unchanged."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Effective as of March 24, 2026, 2,110,534 options to purchase Class B ordinary shares held by the Reporting Person were converted based on a board resolution into 211,053 options to purchase Class A ordinary shares. In connection with the conversion, the exercise price was adjusted from 0.773 to 7.73 per share. Except for the change in the class and number of underlying securities and the corresponding exercise price adjustment, the terms of such options remained unchanged."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Stock Option granted under the Issuer's Long Term Incentive Plan 2020 (the "LTIP 2020"). All options granted under the LTIP 2020 met their full vesting requirements in connection with the Issuer's initial public offering in September 2021, which constituted an exit event. Outstanding awards under the LTIP 2020 are fully vested and exercisable. Vested options may be exercised until the seventh anniversary of the contractual granting date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F3","text":"The Class B Shares are subject to transfer restrictions and rights of first refusal in favor of the other members of the Issuer's extended founder team pursuant to a shareholders' agreement. Upon the occurrence of certain individual or general sunset events specified in the\nshareholders' agreement, the Class B Shares are subject to mandatory conversion into Class A Shares within a specified timeframe. Conversion of Class B Shares into Class A Shares results in ten (10) Class B Shares being converted into one (1) Class A Share"}],"balance_after":0,"derivative":{"exercise_price":0.773,"exercise_date":"2021-11-29","expiration_date":"2028-11-29","underlying":"Class B Shares","underlying_shares":2110534},"source":{"system":"sec-edgar","filing":"0001860218-26-000006","document":"form4-03252026_110335.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1860218/000186021826000006/form4-03252026_110335.xml","form_type":"4"}},{"id":828302,"issuer":{"id":3565,"kind":"organization","name":"On Holding AG","symbol":"ONON"},"owners":[{"id":51027,"kind":"person","name":"Hoffmann Martin","position":1,"cik":"0001860218","reported_name":"Hoffmann Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Non-Qualified Stock Option (Right to Buy)","published_at":"2026-03-25T11:29:39.000Z","date":"2026-03-24","kind":"other","planned":false,"acquired":false,"shares":1051966,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Effective as of March 24, 2026, 1,051,966 options to purchase Class B ordinary shares held by the Reporting Person were converted based on a board resolution into 105,197 options to purchase Class A ordinary shares. In connection with the conversion, the exercise price was adjusted from 0.773 to 7.73 per share. Except for the change in the class and number of underlying securities and the corresponding exercise price adjustment, the terms of such options remained unchanged."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Effective as of March 24, 2026, 1,051,966 options to purchase Class B ordinary shares held by the Reporting Person were converted based on a board resolution into 105,197 options to purchase Class A ordinary shares. In connection with the conversion, the exercise price was adjusted from 0.773 to 7.73 per share. Except for the change in the class and number of underlying securities and the corresponding exercise price adjustment, the terms of such options remained unchanged."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Stock Option granted under the Issuer's Long Term Incentive Plan 2020 (the "LTIP 2020"). All options granted under the LTIP 2020 met their full vesting requirements in connection with the Issuer's initial public offering in September 2021, which constituted an exit event. Outstanding awards under the LTIP 2020 are fully vested and exercisable. Vested options may be exercised until the seventh anniversary of the contractual granting date."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F3","text":"The Class B Shares are subject to transfer restrictions and rights of first refusal in favor of the other members of the Issuer's extended founder team pursuant to a shareholders' agreement. Upon the occurrence of certain individual or general sunset events specified in the\nshareholders' agreement, the Class B Shares are subject to mandatory conversion into Class A Shares within a specified timeframe. Conversion of Class B Shares into Class A Shares results in ten (10) Class B Shares being converted into one (1) Class A Share"}],"balance_after":0,"derivative":{"exercise_price":0.773,"exercise_date":"2022-12-06","expiration_date":"2029-12-06","underlying":"Class B Shares","underlying_shares":1051966},"source":{"system":"sec-edgar","filing":"0001860218-26-000006","document":"form4-03252026_110335.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1860218/000186021826000006/form4-03252026_110335.xml","form_type":"4"}},{"id":829445,"issuer":{"id":3565,"kind":"organization","name":"On Holding AG","symbol":"ONON"},"owners":[{"id":51027,"kind":"person","name":"Hoffmann Martin","position":1,"cik":"0001860218","reported_name":"Hoffmann Martin","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Class A Shares","published_at":"2026-03-24T20:56:49.000Z","date":"2026-03-23","kind":"sale","planned":true,"acquired":false,"shares":4150,"price":39.7901,"value":165128.915,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"The sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 30, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.3100 to $40.4950, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":1357020,"source":{"system":"sec-edgar","filing":"0001860218-26-000004","document":"form4-03242026_080345.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1860218/000186021826000004/form4-03242026_080345.xml","form_type":"4"}}]}