[Form 4] IPG Photonics Corporation Insider Trading Activity

Rhea-AI Filing Summary

Desmond Jeanmarie F., a director of IPG Photonics Corporation (IPGP), reported the sale of 1,360 shares of the issuer's common stock on 08/08/2025. The filing states the transactions were sales at prices ranging from $76.02 to $76.51 per share with a weighted average price of $76.24. After the reported sale, the reporting person beneficially owned 9,740 shares. The form is signed on behalf of the reporting person by attorney-in-fact Adam N. King on 08/08/2025. The filer lists an address at C/O IPG Photonics Corporation, 377 Simarano Drive, Marlborough, MA 01752. The filer offers to provide, upon request, the breakdown of shares sold at each separate price.

Insights

Securities Analyst

TL;DR Director sale of 1,360 IPGP shares disclosed; weighted average price $76.24; remaining beneficial ownership reported at 9,740 shares.

The Form 4 transparently records an open-market sale executed on 08/08/2025. The filing lists the sale quantity, the range of prices ($76.02–$76.51) and a weighted average price ($76.24), and discloses the post-transaction beneficial holding (9,740 shares). The document does not state the percentage of outstanding shares this position represents or the reason for the sale, and the filer notes they can provide the per-price breakdown upon request. Based solely on the filing, this is a routine insider sale disclosure without additional context to assess materiality.

Corporate Governance Expert

TL;DR A director-authorized sale was reported and the Form 4 is signed by an attorney-in-fact; the filing does not indicate a trading plan.

The reporting person is identified as a Director and the Form 4 was executed by an attorney-in-fact, Adam N. King, on 08/08/2025, which is properly disclosed. The form contains the standard notice about Rule 10b5-1 plans but does not indicate that the transaction was made pursuant to such a plan. The filing also offers to supply a detailed per-price breakdown on request. From a governance perspective, the disclosure meets Section 16 reporting requirements but lacks contextual details (e.g., relation to company policies or trading plans) within the document itself.

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).

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^*

Desmond Jeanmarie F.

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/08/2025

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	08/08/2025		S		1,360	D	$76.24(1)	9,740	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 reported transaction involves sale transactions ranging from $76.02 to $76.51 per share. The weighted average price per share was $76.24. 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	08/08/2025
	** 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

Who filed the Form 4 for IPG Photonics (IPGP)?

Desmond Jeanmarie F., identified in the filing as a Director, filed the Form 4 reported on 08/08/2025.

What transaction was reported on the IPGP Form 4 dated 08/08/2025?

The filing reports a sale of 1,360 shares of IPG Photonics common stock on 08/08/2025.

At what prices were the IPGP shares sold?

The sales occurred at prices ranging from $76.02 to $76.51 per share with a weighted average price of $76.24.

How many IPGP shares did the reporting person own after the sale?

The filing reports 9,740 shares beneficially owned following the reported transaction.

Was the transaction executed under a 10b5-1 trading plan?

The Form 4 does not indicate that the transaction was made pursuant to a Rule 10b5-1 trading plan.

Who signed the Form 4 and when?

The Form 4 is signed by attorney-in-fact Adam N. King and dated 08/08/2025.