🕵️ On Holding AG ($ONON)
SEC insider & ownership activity, last 12 months · CIK 1858985 · every row links its SEC filing
Over the last 12 months insiders sold $995K against $10.6M of open-market buying. Coppetti Caspar Felix bought $4.2M in discretionary trades (May–Aug). 1 planned sale is pending, the largest $2.0M (Martin Hoffman). No red-flag 8-Ks in the window.
🚨 21 signals active —
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
3 buyers, $10.6M (8 lots) · 3 sellers, $995K (9 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Coppetti Caspar Felix | 3 | $4.2M | 0 | – | Aug 14, 2026 |
| Bernhard Olivier | 3 | $4.2M | 0 | – | Aug 14, 2026 |
| Allemann David Michael | 2 | $2.2M | 0 | – | May 14, 2026 |
| Martin Hoffman | 0 | – | 6 | $880K | Apr 27, 2026 |
| Maguire Scott Andrew | 0 | – | 2 | $96K | Sep 8, 2026 |
| Sluis Frank | 0 | – | 1 | $19K | Sep 8, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Marc Maurer | 15.0% | 13G | May 14, 2025 | filing ↗ | |
| David Allemann | 12.9% | Class A | 13G | Aug 12, 2026 | filing ↗ |
| Olivier Bernhard | 12.8% | Class A | 13G | Aug 12, 2026 | filing ↗ |
| Caspar Coppetti | 12.8% | Class A | 13G | Aug 12, 2026 | filing ↗ |
| Morgan Stanley | 6.5% | 13G | Feb 12, 2026 | filing ↗ | |
| Morgan Stanley Investment Management Inc. | 6.4% | 13G | Feb 12, 2026 | filing ↗ | |
| Baron Capital Group, Inc. | 5.7% | Class A | 13G | Aug 14, 2026 | filing ↗ |
| Ronald Baron | 5.7% | Class A | 13G | Aug 14, 2026 | filing ↗ |
| FMR LLC | 5.4% | Class A | 13G | Aug 6, 2026 | filing ↗ |
| Abigail P. Johnson | 5.4% | Class A | 13G | Aug 6, 2026 | filing ↗ |
| Bamco Inc /NY/ | 5.1% | Class A | 13G | Aug 14, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Martin Hoffman | $2.0M | Jul 6, 2026 | filing ↗ |
| Marc Maurer | $3.8M | Jun 9, 2026 | filing ↗ |
| Marc Maurer | $4.9M | May 29, 2026 | filing ↗ |
| Martin Hoffmann | $990K | May 27, 2026 | filing ↗ |
| Martin Hoffmann | $4.0M | May 22, 2026 | filing ↗ |
| Marc Maurer | $14.9M | May 15, 2026 | filing ↗ |
| Martin Hoffmann | $2.8M | May 15, 2026 | filing ↗ |
| Martin Hoffmann | $1.8M | May 13, 2026 | filing ↗ |
| Maurer Marc | $5.7M | Apr 8, 2026 | filing ↗ |
| Marc Maurer | $210K | Apr 6, 2026 | filing ↗ |
| Marc Maurer | $199K | Mar 30, 2026 | filing ↗ |
| Martin Hoffman | $2.0M | Mar 30, 2026 | filing ↗ |
| Bernhard Olivier | $592K | Mar 6, 2026 | filing ↗ |
| Maurer Marc | $592K | Mar 6, 2026 | filing ↗ |
| Coppetti Caspar Felix | $592K | Mar 6, 2026 | filing ↗ |
| Hoffmann Martin | $592K | Mar 6, 2026 | filing ↗ |
| Allemann David Michael | $592K | Mar 6, 2026 | filing ↗ |
| Marc Maurer | $8.7M | Mar 5, 2026 | filing ↗ |
| Marc Maurer | $7.1M | Dec 30, 2025 | filing ↗ |
| Martin Hoffman | $2.4M | Dec 30, 2025 | filing ↗ |
| Martin Hoffmann | $722K | Dec 5, 2025 | filing ↗ |
| Martin Hoffmann | $3.2M | Nov 13, 2025 | filing ↗ |
| Marc Maurer | $10.6M | Nov 13, 2025 | filing ↗ |
| Marc Maurer | $7.2M | Oct 1, 2025 | filing ↗ |
| Martin Hoffman | $2.4M | Oct 1, 2025 | filing ↗ |
Material events (8-K)
No 8-K filings in the last 12 months.