[Form 4] IPG PHOTONICS CORP Insider Trading Activity

Rhea-AI Filing Summary

IPG Photonics (IPGP) insider activity: the company’s SVP, Sales & Strategic Business Development reported open‑market sales on 10/20/2025 totaling 1,678 shares under a Rule 10b5‑1 trading plan adopted on May 28, 2025. Transactions included 350 shares at a weighted average price of $86.03, 1,263 shares at a weighted average price of $87.22, and 65 shares at $87.83.

Following these trades, the reporting person beneficially owned 38,887 shares, held directly.

Insights

Corporate governance analyst

Routine Form 4 sales under a preset 10b5‑1 plan.

The SVP executed three sales on 10/20/2025 totaling 1,678 shares. The filing states the trades were made pursuant to a Rule 10b5‑1 plan adopted on May 28, 2025, indicating pre‑scheduled execution rather than discretionary timing.

Prices were reported as weighted averages of $86.03 and $87.22, plus one sale at $87.83, with standard price‑range disclosure language. After these transactions, direct holdings stood at 38,887 shares. This is an informational update; cash‑flow treatment is not discussed in the excerpt.

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, Sales & Strategic Bus Dev

3. Date of Earliest Transaction (Month/Day/Year)
10/20/2025

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	10/20/2025		S		350	D(1)	$86.03(2)	40,215	D
Common Stock	10/20/2025		S		1,263	D(1)	$87.22(3)	38,952	D
Common Stock	10/20/2025		S		65	D(1)	$87.83	38,887	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 $85.67 to $86.42 per share. The weighted average price per share was $86.03. 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 $86.73 to $87.62 per share. The weighted average price per share was $87.22. 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	10/21/2025
	** 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 did IPGP’s insider report on Form 4?

The SVP, Sales & Strategic Business Development reported selling 1,678 shares on 10/20/2025 in open‑market transactions.

Were the IPGP insider sales under a 10b5-1 plan?

Yes. The filing states the sales were made pursuant to a Rule 10b5‑1 trading plan adopted on May 28, 2025.

What prices were reported for the IPGP sales?

Weighted average prices were $86.03 and $87.22, plus a sale at $87.83, with noted price ranges for the averaged trades.

How many IPGP shares does the insider hold after the trades?

The reporting person beneficially owned 38,887 shares directly after the transactions.

What is the insider’s role at IPG Photonics (IPGP)?

The reporting person is an officer: SVP, Sales & Strategic Business Development.