Valentin Gapontsev Trust I - 15 Sep 2025 Form 4 Insider Report for IPG PHOTONICS CORP (IPGP)

Role
10%+ Owner
Signature
/s/ Adam N. King, Attorney-in-Fact for Valentin Gapontsev Trust I
Issuer symbol
IPGP
Transactions as of
15 Sep 2025
Transactions value $
-$5,366,553
Form type
4
Filing time
16 Sep 2025, 16:07:33 UTC
Previous filing
07 Mar 2025
Next filing
15 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Valentin Gapontsev Trust I 10%+ Owner 3 EXECUTIVE PARK DRIVE, SUITE 302, BEDFORD /s/ Adam N. King, Attorney-in-Fact for Valentin Gapontsev Trust I 16 Sep 2025 0001508155

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IPGP Common Stock Sale -$3.05M -37.9K -0.53% $80.54 7.09M 15 Sep 2025 Direct F1, F2
transaction IPGP Common Stock Sale -$1.17M -14.4K -0.2% $81.15 7.07M 15 Sep 2025 Direct F1, F3
transaction IPGP Common Stock Sale -$1.14M -14.2K -0.2% $80.67 7.06M 16 Sep 2025 Direct F1, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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 $79.95 to $80.95 per share. The weighted average price per share was $80.54. 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 $80.96 to $81.25 per share. The weighted average price per share was $81.15. 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 $79.99 to $80.79 per share. The weighted average price per share was $80.67. 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.