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  4. [Form 4] IPG PHOTONICS CORP Insider Trading Activity

IPG Photonics (IPGP) 10% owner reports share sales under 10b5-1

Filing Impact
(Very High)
Filing Sentiment
(Very Negative)
Form Type
4

Rhea-AI Filing Summary

IPG Photonics Corporation’s 10% owner IP Fibre Devices Ltd reported multiple open-market sales of IPG Photonics common stock on January 16, 20, and 21, 2026. The transactions, all coded as sales, were executed at weighted average prices ranging from about $78.92 to $81.65 per share under a pre-arranged Rule 10b5-1 trading plan adopted on June 13, 2025. Following the last reported sale, the reporting person beneficially owned 6,593,169 shares of IPG Photonics common stock.

Positive

  • None.

Negative

  • None.
Insider IP FIBRE DEVICES LTD
Role 10% Owner
Sold 64,167 shs ($5.15M)
Type Security Shares Price Value
Sale Common Stock 1,306 $80.34 $105K
Sale Common Stock 12,075 $81.65 $986K
Sale Common Stock 7,659 $78.92 $604K
Sale Common Stock 13,960 $80.43 $1.12M
Sale Common Stock 14,511 $79.54 $1.15M
Sale Common Stock 14,656 $80.20 $1.18M
Holdings After Transaction: Common Stock — 6,605,244 shares (Direct)
Footnotes (1)
  1. 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. 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. 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. 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. 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. 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. 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.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
 Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
IP FIBRE DEVICES LTD
(Last) (First) (Middle)
C/O IPG PHOTONICS CORPORATION
377 SIMARANO DRIVE
(Street)
MARLBOROUGH MA 01752
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
IPG PHOTONICS CORP [ IPGP ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
01/16/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 01/16/2026 S 14,511 D(1) $79.54(2) 6,642,825 D
Common Stock 01/16/2026 S 14,656 D(1) $80.2(3) 6,628,169 D
Common Stock 01/20/2026 S 7,659 D(1) $78.92(4) 6,620,510 D
Common Stock 01/20/2026 S 13,960 D(1) $80.43(5) 6,606,550 D
Common Stock 01/21/2026 S 1,306 D(1) $80.34(6) 6,605,244 D
Common Stock 01/21/2026 S 12,075 D(1) $81.65(7) 6,593,169 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. 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.
2. 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.
3. 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.
4. 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.
5. 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.
6. 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.
7. 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.
Remarks:
/s/ Adam N. King, Attorney-in-Fact 01/21/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

Who reported the insider transactions in IPG Photonics (IPGP)?

The reporting person is IP Fibre Devices Ltd, identified as a 10% owner of IPG Photonics Corporation.

What type of securities were involved in the IPG Photonics (IPGP) Form 4?

The transactions involved IPG Photonics common stock listed in Table I as non-derivative securities.

When did the reported IPG Photonics (IPGP) insider sales occur?

The sales of common stock took place on January 16, 2026, January 20, 2026, and January 21, 2026, as shown in the Form 4.

At what prices were IPG Photonics (IPGP) shares sold in this Form 4?

Weighted average sale prices ranged from about $78.92 to $81.65 per share, with each date’s trades reported across specific price ranges in the footnotes.

How many IPG Photonics (IPGP) shares does the reporting person own after these transactions?

After the last reported sale, the reporting person beneficially owned 6,593,169 shares of IPG Photonics common stock.

Were the IPG Photonics (IPGP) insider sales under a Rule 10b5-1 plan?

Yes. A footnote explains that the sales were effected under a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2025.

Does the Form 4 for IPG Photonics (IPGP) report any derivative securities?

Table II for derivative securities is present but shows no derivative acquisitions or dispositions; only common stock sales are reported.