| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Shcherbakov Eugene A | Director, 10%+ Owner | C/O IPG PHOTONICS CORPORATION, 377 SIMARANO DRIVE, MARLBOROUGH | /s/ Adam N. King, Attorney-in-Fact | 04 Jun 2025 | 0001378544 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IPGP | Common Stock | Tax liability | $0 | -602 | -0.82% | $0.00 | 72.8K | 07 May 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents shares withheld to cover taxes for restricted stock units which have vested. |