IPG PHOTONICS CORP — Director's Dealing 2026

Feb 24, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IPG PHOTONICS CORP (IPGP)
CIK: 0001111928
Period of Report: 2026-02-20

Reporting Person: IP FIBRE DEVICES LTD (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-20	Common Stock	S	500	$128.79	Disposed	6592669	Direct
2026-02-20	Common Stock	S	2300	$129.93	Disposed	6590369	Direct
2026-02-20	Common Stock	S	4461	$131.11	Disposed	6585908	Direct
2026-02-20	Common Stock	S	16422	$132.21	Disposed	6569486	Direct
2026-02-20	Common Stock	S	5484	$132.94	Disposed	6564002	Direct
2026-02-23	Common Stock	S	4241	$131.41	Disposed	6559761	Direct
2026-02-23	Common Stock	S	4604	$132.31	Disposed	6555157	Direct
2026-02-23	Common Stock	S	7994	$133.61	Disposed	6547163	Direct
2026-02-23	Common Stock	S	16421	$134.35	Disposed	6530742	Direct
2026-02-23	Common Stock	S	120	$134.95	Disposed	6530622	Direct
2026-02-24	Common Stock	S	100	$135.28	Disposed	6530522	Direct
2026-02-24	Common Stock	S	1520	$137	Disposed	6529002	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025.

F2: The reported transaction involves sale transactions ranging from $128.33 to $129.10 per share. The weighted average price per share was $128.79. 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.

F3: The reported transaction involves sale transactions ranging from $129.49 to $130.28 per share. The weighted average price per share was $129.93. 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.

F4: The reported transaction involves sale transactions ranging from $130.64 to $131.17 per share. The weighted average price per share was $131.11. 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.

F5: The reported transaction involves sale transactions ranging from $131.74 to $132.72 per share. The weighted average price per share was $132.21. 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.

F6: The reported transaction involves sale transactions ranging from $132.75 to $133.35 per share. The weighted average price per share was $132.94. 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.

F7: The reported transaction involves sale transactions ranging from $130.84 to $131.82 per share. The weighted average price per share was $131.41. 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.

F8: The reported transaction involves sale transactions ranging from $131.88 to $132.82 per share. The weighted average price per share was $132.31. 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.

F9: The reported transaction involves sale transactions ranging from $132.91 to $133.90 per share. The weighted average price per share was $133.61. 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.

F10: The reported transaction involves sale transactions ranging from $133.91 to $134.81 per share. The weighted average price per share was $134.35. 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.

F11: The reported transaction involves sale transactions ranging from $134.92 to $135.12 per share. The weighted average price per share was $134.95. 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.

F12: The reported transaction involves sale transactions ranging from $136.60 to $137.53 per share. The weighted average price per share was $137.00. 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.