| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Samartsev Igor | SVP, Chief Scientist | C/O IPG PHOTONICS CORPORATION, 377 SIMARANO DRIVE, MARLBOROUGH | /s/ Adam N. King, Attorney-in-Fact for Natalia Pavlova and Igor Samartsev | 2025-05-21 | 0001378545 |
| Pavlova Natalia | Director | C/O IPG PHOTONICS CORPORATION, 377 SIMARANO DRIVE, MARLBOROUGH | /s/ Adam N. King, Attorney-in-Fact for Natalia Pavlova and Igor Samartsev | 2025-05-21 | 0001837766 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IPGP | Common Stock | Award | $0 | +3.76K | +3.43% | $0.00 | 113K | May 20, 2025 | By Wife | F1 |
| holding | IPGP | Common Stock | 274K | May 20, 2025 | Direct | F2 | |||||
| holding | IPGP | Common Stock | 10K | May 20, 2025 | By Wife's Mother | ||||||
| holding | IPGP | Common Stock | 1.2K | May 20, 2025 | By Trust 2015 | ||||||
| holding | IPGP | Common Stock | 176K | May 20, 2025 | By Trust Sept. 2015 | ||||||
| holding | IPGP | Common Stock | 21K | May 20, 2025 | By Trust-G4 2016 | ||||||
| holding | IPGP | Common Stock | 21K | May 20, 2025 | By Trust-I 2016 | ||||||
| holding | IPGP | Common Stock | 216K | May 20, 2025 | By Trust May 2017 | ||||||
| holding | IPGP | Common Stock | 90.4K | May 20, 2025 | By Grantor Retained Annuity Trust II September 2021 | ||||||
| holding | IPGP | Common Stock | 28.9K | May 20, 2025 | By Grantor Retained Annuity Trust November 2022 |
| Id | Content |
|---|---|
| F1 | Grant of restricted stock units vesting 100% on the earlier of May 20, 2026 or the date of the 2026 annual stockholder meeting of the Issuer. |
| F2 | Ms. Pavlova, a director, is an indirect beneficial owner of such shares as the spouse of Dr. Samartsev, an officer. |