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[Form 4] IPG PHOTONICS CORP Insider Trading Activity

Filing Impact
(Very High)
Filing Sentiment
(Very Negative)
Form Type
4

Rhea-AI Filing Summary

IPG Photonics (IPGP) reported insider share sales by a director via a pre‑arranged Rule 10b5‑1 trading plan adopted on June 13, 2025. The filing lists multiple open‑market sales on October 13–15, 2025, each recorded with share counts and weighted average prices.

Sales on 10/13/2025 included 1,667 shares at a weighted average price of $82.09 and 29,547 shares at $83.23, among other small blocks. On 10/14/2025, blocks included 1,661 shares at $80.96 and 8,430 shares at $83.22. On 10/15/2025, blocks included 5,315 shares at $84.24 and 7,226 shares at $85.97. After these transactions, the reporting person beneficially owned 6,992,599 shares, held directly.

The plan‑based nature of the trades is noted in the disclosure, and detailed price ranges for each block are available, with the reporting person undertaking to provide per‑price details upon request.

Positive

  • None.

Negative

  • None.
Insider Valentin Gapontsev Trust I
Role 10% Owner
Sold 66,500 shs ($5.56M)
Type Security Shares Price Value
Sale Common Stock 5,315 $84.24 $448K
Sale Common Stock 5,166 $84.73 $438K
Sale Common Stock 7,226 $85.97 $621K
Sale Common Stock 1,661 $80.96 $134K
Sale Common Stock 3,002 $82.19 $247K
Sale Common Stock 8,430 $83.22 $702K
Sale Common Stock 3,436 $84.00 $289K
Sale Common Stock 1,667 $82.09 $137K
Sale Common Stock 29,547 $83.23 $2.46M
Sale Common Stock 1,050 $83.86 $88K
Holdings After Transaction: Common Stock — 7,004,991 shares (Direct)
Footnotes (1)
  1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. The reported transaction involves sale transactions ranging from $81.41 to $82.31 per share. The weighted average price per share was $82.09. 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. The reported transaction involves sale transactions ranging from $82.69 to $83.65 per share. The weighted average price per share was $83.23. 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. The reported transaction involves sale transactions ranging from $83.71 to $83.94 per share. The weighted average price per share was $83.86. 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. The reported transaction involves sale transactions ranging from $80.59 to $81.43 per share. The weighted average price per share was $80.96. 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. The reported transaction involves sale transactions ranging from $81.70 to $82.68 per share. The weighted average price per share was $82.19. 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. The reported transaction involves sale transactions ranging from $82.82 to $83.77 per share. The weighted average price per share was $83.22. 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. The reported transaction involves sale transactions ranging from $83.87 to $84.19 per share. The weighted average price per share was $84.00. 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. The reported transaction involves sale transactions ranging from $83.48 to $84.45 per share. The weighted average price per share was $84.24. 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. The reported transaction involves sale transactions ranging from $84.48 to $85.26 per share. The weighted average price per share was $84.73. 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. The reported transaction involves sale transactions ranging from $85.50 to $86.03 per share. The weighted average price per share was $85.97. 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.
Form 4 Insider Transactions: What Each Field Means →
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*
Valentin Gapontsev Trust I
(Last) (First) (Middle)
3 EXECUTIVE PARK DRIVE, SUITE 302
(Street)
BEDFORD NH 03110
(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 X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
10/13/2025
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 10/13/2025 S 1,667 D(1) $82.09(2) 7,057,432 D
Common Stock 10/13/2025 S 29,547 D(1) $83.23(3) 7,027,885 D
Common Stock 10/13/2025 S 1,050 D(1) $83.86(4) 7,026,835 D
Common Stock 10/14/2025 S 1,661 D(1) $80.96(5) 7,025,174 D
Common Stock 10/14/2025 S 3,002 D(1) $82.19(6) 7,022,172 D
Common Stock 10/14/2025 S 8,430 D(1) $83.22(7) 7,013,742 D
Common Stock 10/14/2025 S 3,436 D(1) $84(8) 7,010,306 D
Common Stock 10/15/2025 S 5,315 D(1) $84.24(9) 7,004,991 D
Common Stock 10/15/2025 S 5,166 D(1) $84.73(10) 6,999,825 D
Common Stock 10/15/2025 S 7,226 D(1) $85.97(11) 6,992,599 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 June 13, 2025.
2. The reported transaction involves sale transactions ranging from $81.41 to $82.31 per share. The weighted average price per share was $82.09. 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 $82.69 to $83.65 per share. The weighted average price per share was $83.23. 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.
4. The reported transaction involves sale transactions ranging from $83.71 to $83.94 per share. The weighted average price per share was $83.86. 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.
5. The reported transaction involves sale transactions ranging from $80.59 to $81.43 per share. The weighted average price per share was $80.96. 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.
6. The reported transaction involves sale transactions ranging from $81.70 to $82.68 per share. The weighted average price per share was $82.19. 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.
7. The reported transaction involves sale transactions ranging from $82.82 to $83.77 per share. The weighted average price per share was $83.22. 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.
8. The reported transaction involves sale transactions ranging from $83.87 to $84.19 per share. The weighted average price per share was $84.00. 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.
9. The reported transaction involves sale transactions ranging from $83.48 to $84.45 per share. The weighted average price per share was $84.24. 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.
10. The reported transaction involves sale transactions ranging from $84.48 to $85.26 per share. The weighted average price per share was $84.73. 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.
11. The reported transaction involves sale transactions ranging from $85.50 to $86.03 per share. The weighted average price per share was $85.97. 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 for Valentin Gapontsev Trust I 10/15/2025
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What did IPGP disclose in this Form 4?

The filing reports multiple open-market sales of IPG Photonics common stock by a director executed under a Rule 10b5-1 trading plan.

When did the IPGP insider sales occur?

Sales occurred on October 13–15, 2025, in several blocks each day.

What were the weighted average prices reported?

Weighted average prices ranged from $80.96 to $85.97 across the reported transactions.

How many shares were beneficially owned after the transactions?

After the reported sales, the filer beneficially owned 6,992,599 shares, held directly.

Were the sales under a 10b5-1 plan?

Yes. The sales were effected pursuant to a Rule 10b5-1 plan adopted on June 13, 2025.

Who is the issuer and ticker in this Form 4?

The issuer is IPG Photonics Corporation with ticker IPGP.