| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2024-02-13 | VANGUARD GROUP INC | IPG PHOTONICS CORP | 3,044,812 | 6.5% | EDGAR |
| SC 13G/A | 2024-02-08 | First Eagle Investment Management, LLC | IPG PHOTONICS CORP | 4,257,637 | 9.1% | EDGAR |
| SC 13G/A | 2024-01-29 | BlackRock Inc. | IPG PHOTONICS CORP | 2,761,451 | 5.9% | EDGAR |
| SC 13D/A | 2024-01-04 | Valentin Gapontsev Trust I | IPG PHOTONICS CORP | 7,229,599 | 15.4% | EDGAR |
| SC 13G/A | 2023-02-14 | ALLIANCEBERNSTEIN L.P. | IPG PHOTONICS CORP | 327,312 | 0.7% | EDGAR |
| SC 13G/A | 2023-02-09 | VANGUARD GROUP INC | IPG PHOTONICS CORP | 2,930,832 | 6.0% | EDGAR |
| SC 13G | 2023-02-09 | First Eagle Investment Management, LLC | IPG PHOTONICS CORP | 4,326,220 | 8.9% | EDGAR |
| SC 13G | 2023-02-03 | BlackRock Inc. | IPG PHOTONICS CORP | 3,153,901 | 6.5% | EDGAR |
| SC 13G/A | 2022-02-14 | ALLIANCEBERNSTEIN L.P. | IPG PHOTONICS CORP | 3,400,502 | 6.4% | EDGAR |
| SC 13G/A | 2022-02-10 | VANGUARD GROUP INC | IPG PHOTONICS CORP | 3,825,075 | 7.2% | EDGAR |
| SC 13D/A | 2021-11-01 | Valentin Gapontsev Trust I | IPG PHOTONICS CORP | 14,353,603 | 26.8% | EDGAR |
| SC 13D | 2021-11-01 | Shcherbakov Eugene A | IPG PHOTONICS CORP | 6,997,834 | 13.1% | EDGAR |
| SC 13G/A | 2021-11-01 | GAPONTSEV VALENTIN P | IPG PHOTONICS CORP | 0 | 0.0% | EDGAR |
| SC 13G/A | 2021-11-01 | IP FIBRE DEVICES LTD | IPG PHOTONICS CORP | 6,914,004 | 12.9% | EDGAR |
| SC 13G/A | 2021-04-12 | BlackRock Inc. | IPG PHOTONICS CORP | 2,676,122 | 5.0% | EDGAR |
| SC 13G/A | 2021-02-16 | GAPONTSEV VALENTIN P | IPG PHOTONICS CORP | 7,312,642 | 13.7% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | IPG PHOTONICS CORP | 3,767,937 | 7.1% | EDGAR |
| SC 13G | 2021-02-08 | ALLIANCEBERNSTEIN L.P. | IPG PHOTONICS CORP | 3,067,443 | 5.8% | EDGAR |
| SC 13G | 2021-02-02 | BlackRock Inc. | IPG PHOTONICS CORP | 2,896,731 | 5.4% | EDGAR |
| SC 13G/A | 2020-02-12 | VANGUARD GROUP INC | IPG PHOTONICS CORP | 3,867,440 | 7.3% | EDGAR |