| Filed | Form | Filer | Stake | Shares | |
|---|---|---|---|---|---|
| 2026-07-28 | SCHEDULE 13D/A | Valentin Gapontsev Trust I | — | — | view → |
| 2025-02-20 | SCHEDULE | Valentin Gapontsev Trust I | 36.90% | 15,740,701 | view → |
| Filed | Form | Issuer | Stake | Shares | |
|---|---|---|---|---|---|
| 2026-07-28 | SCHEDULE 13D/A | IPG PHOTONICS CORP | — | — | view → |
| 2025-02-20 | SCHEDULE | IPG PHOTONICS CORP IPGP | 36.90% | 15,740,701 | view → |
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