=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-01-16
10b5-1 Pre-arranged Plan: Yes
--- Issuer ---
Name: IPG PHOTONICS CORP (IPGP)
CIK: 0001111928
--- Reporting Owner ---
Name: IP FIBRE DEVICES LTD
CIK: 0001130423
Role: 10%+ Owner
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock
Date: 2026-01-16 | Code: S (Open market sale)
Shares: -14,511 | Price: $79.54
Total Value: $1,154,204.94
Shares Owned After: 6,642,825 | Ownership: D (Direct)
Footnotes:
[F2] The reported transaction involves sale transactions ranging from $78.93 to $79.90 per share. The weighted average price per share was $79.54. 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.
[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.
[Transaction #2]
Security: Common Stock
Date: 2026-01-16 | Code: S (Open market sale)
Shares: -14,656 | Price: $80.20
Total Value: $1,175,411.20
Shares Owned After: 6,628,169 | Ownership: D (Direct)
Footnotes:
[F3] The reported transaction involves sale transactions ranging from $80.00 to $80.79 per share. The weighted average price per share was $80.20. 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.
[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.
[Transaction #3]
Security: Common Stock
Date: 2026-01-20 | Code: S (Open market sale)
Shares: -7,659 | Price: $78.92
Total Value: $604,448.28
Shares Owned After: 6,620,510 | Ownership: D (Direct)
Footnotes:
[F4] The reported transaction involves sale transactions ranging from $78.65 to $79.52 per share. The weighted average price per share was $78.92. 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.
[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.
[Transaction #4]
Security: Common Stock
Date: 2026-01-20 | Code: S (Open market sale)
Shares: -13,960 | Price: $80.43
Total Value: $1,122,802.80
Shares Owned After: 6,606,550 | Ownership: D (Direct)
Footnotes:
[F5] The reported transaction involves sale transactions ranging from $79.66 to $80.45 per share. The weighted average price per share was $80.43. 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.
[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.
[Transaction #5]
Security: Common Stock
Date: 2026-01-21 | Code: S (Open market sale)
Shares: -1,306 | Price: $80.34
Total Value: $104,924.04
Shares Owned After: 6,605,244 | Ownership: D (Direct)
Footnotes:
[F6] The reported transaction involves sale transactions ranging from $79.68 to $80.60 per share. The weighted average price per share was $80.34. 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.
[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.
[Transaction #6]
Security: Common Stock
Date: 2026-01-21 | Code: S (Open market sale)
Shares: -12,075 | Price: $81.65
Total Value: $985,923.75
Shares Owned After: 6,593,169 | Ownership: D (Direct)
Footnotes:
[F7] The reported transaction involves sale transactions ranging from $80.89 to $81.72 per share. The weighted average price per share was $81.65. 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.
[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.
--- Footnotes (Complete Index) ---
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 $78.93 to $79.90 per share. The weighted average price per share was $79.54. 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 $80.00 to $80.79 per share. The weighted average price per share was $80.20. 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 $78.65 to $79.52 per share. The weighted average price per share was $78.92. 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 $79.66 to $80.45 per share. The weighted average price per share was $80.43. 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 $79.68 to $80.60 per share. The weighted average price per share was $80.34. 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 $80.89 to $81.72 per share. The weighted average price per share was $81.65. 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.
--- Signature ---
/s/ /s/ Adam N. King, Attorney-in-Fact (2026-01-21)
