SEC Form 4 · accession 0001111928-26-000165
IPG PHOTONICS CORP · IPGP
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Valentin Gapontsev Trust I
10% Owner
Period of report
Sep 1, 2026
Accepted (ET)
Sep 3, 2026 · 4:23 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001111928
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF2,F1 | Sep 1, 2026 | S | 18,091 | $75.14 | D | 6,652,192 | D | |
| Common StockF3,F1 | Sep 2, 2026 | S | 4,591 | $75.65 | D | 6,647,601 | D | |
| Common StockF4,F1 | Sep 2, 2026 | S | 4,715 | $76.25 | D | 6,642,886 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 17, 2026.
- F2The reported transaction involves sale transactions ranging from $75.00 to $75.73 per share. The weighted average price per share was $75.14. 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.
- F3The reported transaction involves sale transactions ranging from $75.00 to $75.89 per share. The weighted average price per share was $75.65. 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.
- F4The reported transaction involves sale transactions ranging from $76.00 to $76.81 per share. The weighted average price per share was $76.25. 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.