| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ness Trevor | SVP, Sales & Strategic Bus Dev | C/O IPG PHOTONICS CORPORATION, 377 SIMARANO DRIVE, MARLBOROUGH | /s/ Adam N. King, Attorney-in-Fact | 19 Sep 2025 | 0001568884 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IPGP | Common Stock | Sale | -$130K | -1.58K | -3.74% | $82.61 | 40.7K | 18 Sep 2025 | Direct | F1, F2 |
| transaction | IPGP | Common Stock | Sale | -$8.32K | -100 | -0.25% | $83.15 | 40.6K | 18 Sep 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 28, 2025. |
| F2 | The reported transaction involves sale transactions ranging from $82.06 to $83.02 per share. The weighted average price per share was $82.61. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. |