| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lopresti Angelo P | SVP, Secretary & Gen Counsel, 10%+ Owner | C/O IPG PHOTONICS CORPORATION, 377 SIMARANO DRIVE, MARLBOROUGH | /s/ Angelo P. Lopresti | 17 Feb 2026 | 0001378548 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IPGP | Common Stock | Options Exercise | $479,957 | +5,861 | +10% | $81.89 | 64,246 | 12 Feb 2026 | Direct | F1 |
| transaction | IPGP | Common Stock | Tax liability | $604,306 | -4,022 | -6.3% | $150.25 | 60,224 | 12 Feb 2026 | Direct | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IPGP | Employee Stock Option (right to buy) | Options Exercise | $0 | -5,861 | -100% | $0.000000 | 0 | 12 Feb 2026 | Common Stock | 5,861 | $81.89 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | These stock options were exercised on a net share settlement basis. |
| F2 | Represents the number of shares withheld by the Issuer to satisfy the aggregate (i) exercise price and (ii) withholding taxes related to such exercise. |
| F3 | The stock option is fully vested and exercisable. |