[Form 4] IPG PHOTONICS CORP Insider Trading Activity

Rhea-AI Filing Summary

IPG Photonics Corporation (IPGP) reported an insider stock sale by its SVP and Chief Revenue Officer. On 11/18/2025, the executive sold 1,681 shares of common stock in an open-market transaction. The shares were sold at prices ranging from $75.21 to $75.86 per share, with a weighted average sale price of $75.58 per share, under a pre-arranged Rule 10b5-1 trading plan adopted on May 28, 2025.

Following this transaction, the reporting person beneficially owns 37,206 shares of IPG Photonics common stock, held directly. The filing notes that detailed breakdowns of the number of shares sold at each individual price within the reported range will be made available upon request to the SEC staff, the issuer, or any security holder.

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^*

Ness Trevor

(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		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Chief Revenue Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/18/2025

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	11/18/2025		S		1,681	D(1)	$75.58(2)	37,206	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 May 28, 2025.

2. The reported transaction involves sale transactions ranging from $75.21 to $75.86 per share. The weighted average price per share was $75.58. 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	11/19/2025
	** 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.

FAQ

What insider transaction did IPG Photonics (IPGP) report in this Form 4?

The filing reports that the SVP and Chief Revenue Officer of IPG Photonics sold 1,681 shares of common stock on 11/18/2025.

At what prices were the IPGP shares sold by the SVP and Chief Revenue Officer?

The reported sale transactions occurred at prices ranging from $75.21 to $75.86 per share, with a weighted average sale price of $75.58 per share.

Does the IPG Photonics (IPGP) Form 4 involve a Rule 10b5-1 trading plan?

Yes. The sales were effected under a Rule 10b5-1 trading plan that the reporting person adopted on May 28, 2025.

How many IPGP shares does the reporting person own after the reported sale?

After the transaction, the reporting person beneficially owns 37,206 shares of IPG Photonics common stock, held directly.

Who is the insider involved in this IPG Photonics (IPGP) Form 4 filing and what is their role?

The reporting person is an officer of IPG Photonics, serving as SVP, Chief Revenue Officer.

Can investors obtain the exact breakdown of IPGP shares sold at each price in this transaction?

Yes. The reporting person has undertaken to provide, upon request to the SEC staff, the issuer, or any security holder, information on the number of shares sold at each separate price within the reported range.