Insiders at IPG Photonics (IPGP) report 3,363-share option exercise

Rhea-AI Filing Summary

IPG Photonics senior vice president and chief scientist Igor Samartsev exercised an employee stock option for 3,363 shares of common stock at an exercise price of $81.89 per share on February 17, 2026, receiving the shares as a direct acquisition.

The Form 4 is filed jointly by Samartsev and director Natalia Pavlova, who is reported as an indirect beneficial owner of various IPG Photonics share holdings through her spousal relationship and multiple family and trust accounts. Following the transaction, Samartsev directly holds 9,597 common shares, in addition to substantial indirect holdings reported across these related entities.

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

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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^*

Samartsev Igor

(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 Scientist

3. Date of Earliest Transaction (Month/Day/Year)
02/17/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	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	02/17/2026		M		3,363	A	$81.89	9,597	D(1)
Common Stock								113,265	I	By Wife
Common Stock								10,000	I	By Wife's Mother
Common Stock								1,200	I	By Trust 2015
Common Stock								176,400	I	By Trust Sept. 2015
Common Stock								20,983	I	By Trust-G4 2016
Common Stock								20,982	I	By Trust-I 2016
Common Stock								93,752	I	By Trust May 2017
Common Stock								145,592	I	By Trust-I May 2017
Common Stock								90,380	I	By Grantor Retained Annuity Trust II September 2021
Common Stock								28,908	I	By Grantor Retained Annuity Trust November 2022
Common Stock								122,225	I	By Grantor Retained Annuity Trust I September 2025
Common Stock								121,951	I	By Grantor Retained Annuity Trust II September 2025

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
Employee Stock Option (right to buy)	$81.89	02/17/2026		M			3,363	(2)	02/17/2026	Common Stock	3,363	$0	0	D

1. Name and Address of Reporting Person^*

Samartsev Igor

(Last) (First) (Middle)

C/O IPG PHOTONICS CORPORATION

377 SIMARANO DRIVE

(Street)

MARLBOROUGH MA 01752

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Pavlova Natalia

(Last) (First) (Middle)

C/O IPG PHOTONICS CORPORATION

377 SIMARANO DRIVE

(Street)

MARLBOROUGH MA 01752

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

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

Explanation of Responses:

1. Ms. Pavlova, a director, is an indirect beneficial owner of such shares as the spouse of Dr. Samartsev, an officer.

2. The stock option is fully vested and exercisable.

Remarks:

	/s/ Angelo P. Lopresti, Attorney-in-Fact for Natalia Pavlova and Igor Samartsev	02/17/2026
	** 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.
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FAQ

What insider transaction did IPG Photonics (IPGP) report on February 17, 2026?

IPG Photonics reported that SVP and chief scientist Igor Samartsev exercised an employee stock option for 3,363 shares of common stock on February 17, 2026. The option carried an exercise price of $81.89 per share and was fully vested and exercisable at the time.

How many IPG Photonics shares does Igor Samartsev own after this Form 4 transaction?

After the option exercise, Igor Samartsev directly holds 9,597 IPG Photonics common shares. The filing also lists substantial additional indirect beneficial ownership interests through his spouse and multiple family trusts, although those positions remain indirect rather than directly in his own name.

What stock option did Igor Samartsev exercise in the latest IPGP Form 4?

Igor Samartsev exercised an employee stock option covering 3,363 IPG Photonics common shares at an exercise price of $81.89 per share. The filing notes that this stock option was fully vested and exercisable as of the February 17, 2026 transaction date.

How is Natalia Pavlova related to the IPG Photonics Form 4 transactions?

Director Natalia Pavlova is listed as a joint reporting person and as an indirect beneficial owner of the reported IPG Photonics shares. A footnote explains she has indirect beneficial ownership as the spouse of officer Igor Samartsev, whose holdings include multiple family and trust accounts.

What indirect IPG Photonics share holdings are reported for the insiders on this Form 4?

The Form 4 lists indirect IPG Photonics common stock holdings through a spouse, a spouse’s mother, and numerous trusts, including several dated 2015, 2016, 2017, 2021, 2022, and 2025. Each entity shows its own share balance, reflecting significant family and trust-based ownership positions.

Did the IPG Photonics insider Form 4 report any stock sales by Igor Samartsev?

The filing reports an option exercise converting 3,363 options into common stock but does not show any sales transaction code. The derivative position in the option drops to zero, while direct common stock ownership increases to 9,597 shares after the exercise event on February 17, 2026.