FORM 4
☐ Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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OMB Number: 3235-0287
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Samartsev Igor		 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
__X__ Officer (give title below)    _____ Other (specify below)
SVP, Chief Scientist
(Last)          (First)          (Middle)

C/O IPG PHOTONICS CORPORATION, 377 SIMARANO DRIVE		 3. Date of Earliest Transaction (MM/DD/YYYY)

5/23/2023
(Street)

MARLBOROUGH, MA 01752		 4. If Amendment, Date Original Filed (MM/DD/YYYY)

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

___ Form filed by One Reporting Person
_ X _ Form filed by More than One Reporting Person
(City)        (State)        (Zip)
Rule 10b5-1(c) Transaction Indication
☐ Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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 5/23/2023  A  2188 (1)A$0 106484 I By Wife 
Common Stock         268480 D  
Common Stock         10000 I By Wife's Mother 
Common Stock         1200 I By Trust 2015 
Common Stock         132700 I By Trust Sept. 2015 
Common Stock         20983 I By Trust-G4 2016 
Common Stock         20982 I By Trust-I 2016 
Common Stock         85768 I By Trust May 2017 
Common Stock         9184 I By Grantor Retained Annuity Trust June 2020 
Common Stock         93633 I By Grantor Retained Annuity Trust I September 2021 
Common Stock         90380 I By Grantor Retained Annuity Trust II September 2021 
Common Stock         100000 I By Grantor Retained Annuity Trust November 2022 

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)		2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date7. 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 of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
(1) Grant of restricted stock units vesting 100% on the earlier of May 23, 2024 or the date of the 2024 annual stockholder meeting of the Issuer.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Samartsev Igor
C/O IPG PHOTONICS CORPORATION
377 SIMARANO DRIVE
MARLBOROUGH, MA 01752		X
SVP, Chief Scientist
Pavlova Natalia
C/O IPG PHOTONICS CORPORATION
377 SIMARANO DRIVE
MARLBOROUGH, MA 01752		X
Chief Scientist
Signatures
/s/ Angelo P. Lopresti, Attorney-in-Fact for Natalia Pavlova and Igor Samartsev5/25/2023
**Signature of Reporting PersonDate
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 control number.
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