Delaware (State or Other Jurisdiction of Incorporation) | 001-33155 (Commission File No.) | 04-3444218 (IRS Employer Identification No.) | ||||||||||||
| ☐ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) | |||||||
| ☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) | |||||||
| ☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) | |||||||
| ☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) | |||||||
| Securities registered pursuant to Section 12(b) of the Act: | ||||||||
| Title of each class | Trading Symbol | Name of each exchange on which registered | ||||||
| Common Stock, par value $0.0001 per share | IPGP | Nasdaq Global Select Market | ||||||
| Votes For | Votes Against | Abstentions | Broker Non-Votes | |||||||||||
| Gregory Beecher | 37,779,429 | 177,561 | 11,333 | 2,089,675 | ||||||||||
| Jeanmarie Desmond | 36,184,529 | 1,768,590 | 15,204 | 2,089,675 | ||||||||||
| Gregory Dougherty | 37,584,921 | 363,409 | 19,993 | 2,089,675 | ||||||||||
| Mark Gitin, Ph.D. | 37,746,640 | 211,349 | 10,334 | 2,089,675 | ||||||||||
| Kolleen Kennedy | 36,855,666 | 1,101,012 | 11,645 | 2,089,675 | ||||||||||
| Eric Meurice | 37,656,036 | 303,532 | 8,755 | 2,089,675 | ||||||||||
| Natalia Pavlova | 37,641,930 | 307,139 | 19,254 | 2,089,675 | ||||||||||
| John Peeler | 37,405,513 | 552,743 | 10,067 | 2,089,675 | ||||||||||
| Eugene Scherbakov, Ph.D. | 37,521,640 | 424,950 | 21,733 | 2,089,675 | ||||||||||
| Agnes Tang | 37,799,994 | 153,043 | 15,286 | 2,089,675 | ||||||||||
| Votes For | Votes Against | Abstentions | Broker Non-Votes | |||||||||||
| 27,089,325 | 10,719,258 | 159,740 | 2,089,675 | |||||||||||
| Votes For | Votes Against | Abstentions | Broker Non-Votes | |||||||||||
| 39,419,373 | 614,181 | 24,444 | — | |||||||||||
| IPG PHOTONICS CORPORATION | ||||||||||||||
| May 15, 2026 | By: | /s/ Angelo P. Lopresti | ||||||||||||
| Angelo P. Lopresti | ||||||||||||||
| Senior Vice President, General Counsel & Secretary | ||||||||||||||