=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2025-12-22
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: 2025-12-22 | Code: S (Open market sale)
Shares: -16,060 | Price: $75.20
Total Value: $1,207,712.00
Shares Owned After: 6,705,443 | Ownership: D (Direct)
Footnotes:
[F2] The reported transaction involves sale transactions ranging from $74.68 to $75.66 per share. The weighted average price per share was $75.20. 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 #2]
Security: Common Stock
Date: 2025-12-22 | Code: S (Open market sale)
Shares: -6,870 | Price: $75.97
Total Value: $521,913.90
Shares Owned After: 6,698,573 | Ownership: D (Direct)
Footnotes:
[F3] The reported transaction involves sale transactions ranging from $75.69 to $76.42 per share. The weighted average price per share was $75.97. 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: 2025-12-22 | Code: S (Open market sale)
Shares: -7 | Price: $76.69
Total Value: $536.83
Shares Owned After: 6,698,566 | Ownership: D (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.
[Transaction #4]
Security: Common Stock
Date: 2025-12-23 | Code: S (Open market sale)
Shares: -28,405 | Price: $74.62
Total Value: $2,119,581.10
Shares Owned After: 6,670,161 | Ownership: D (Direct)
Footnotes:
[F4] The reported transaction involves sale transactions ranging from $73.89 to $74.87 per share. The weighted average price per share was $74.62. 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: 2025-12-23 | Code: S (Open market sale)
Shares: -40 | Price: $75.00
Total Value: $3,000.00
Shares Owned After: 6,670,121 | Ownership: D (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.
[Transaction #6]
Security: Common Stock
Date: 2025-12-24 | Code: S (Open market sale)
Shares: -10,560 | Price: $74.69
Total Value: $788,726.40
Shares Owned After: 6,659,561 | Ownership: D (Direct)
Footnotes:
[F5] The reported transaction involves sale transactions ranging from $74.04 to $75.00 per share. The weighted average price per share was $74.69. 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 #7]
Security: Common Stock
Date: 2025-12-24 | Code: S (Open market sale)
Shares: -2,225 | Price: $75.11
Total Value: $167,119.75
Shares Owned After: 6,657,336 | Ownership: D (Direct)
Footnotes:
[F6] The reported transaction involves sale transactions ranging from $75.06 to $75.30 per share. The weighted average price per share was $75.11. 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.
[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 $74.68 to $75.66 per share. The weighted average price per share was $75.20. 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.
F3: The reported transaction involves sale transactions ranging from $75.69 to $76.42 per share. The weighted average price per share was $75.97. 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 $73.89 to $74.87 per share. The weighted average price per share was $74.62. 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 $74.04 to $75.00 per share. The weighted average price per share was $74.69. 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 $75.06 to $75.30 per share. The weighted average price per share was $75.11. 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.
--- Signature ---
/s/ /s/ Adam N. King, Attorney-in-Fact (2025-12-29)
