| 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 | 28 Aug 2025 | 0001568884 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IPGP | Common Stock | Sale | -$83K | -1K | -2.29% | $82.69 | 42.9K | 27 Aug 2025 | Direct | F1, F2 |
| transaction | IPGP | Common Stock | Sale | -$56.2K | -674 | -1.57% | $83.31 | 42.2K | 27 Aug 2025 | Direct | F1, F3 |
| 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 $82.11 to $83.11 per share. The weighted average price per share was $82.69. 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. |
| F3 | The reported transaction involves sale transactions ranging from $83.17 to $83.72 per share. The weighted average price per share was $83.31. 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. |