| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Desmond Jeanmarie F. | Director | C/O IPG PHOTONICS CORPORATION, 377 SIMARANO DRIVE, MARLBOROUGH | /s/ Adam N. King, Attorney-in-Fact | 2025-08-08 | 0001713192 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IPGP | Common Stock | Sale | -$104K | -1.36K | -12.25% | $76.24 | 9.74K | Aug 8, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The reported transaction involves sale transactions ranging from $76.02 to $76.51 per share. The weighted average price per share was $76.24. 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. |