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  4. [Form 4] IPG PHOTONICS CORP Insider Trading Activity

IPGP Form 4: 10b5‑1 sales at $84–$88; holdings 6.79M shares

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

Rhea-AI Filing Summary

IPG Photonics (IPGP) director filed a Form 4 reporting open‑market sales executed under a Rule 10b5‑1 plan adopted on June 13, 2025. Reported sales: on 10/17/2025, 15,684 shares at a weighted average price of $84.62 and 875 shares at $85.71; on 10/20/2025, 6,543 shares at $87.10, 15,951 shares at $87.88, and 1,148 shares at $88.54; on 10/21/2025, 11,426 shares at $87.77 and 12,540 shares at $88.05.

Following these transactions, the reporting person beneficially owns 6,785,670 shares directly.

Positive

  • None.

Negative

  • None.
Insider IP FIBRE DEVICES LTD
Role 10% Owner
Sold 64,167 shs ($5.58M)
Type Security Shares Price Value
Sale Common Stock 11,426 $87.77 $1.00M
Sale Common Stock 12,540 $88.05 $1.10M
Sale Common Stock 6,543 $87.10 $570K
Sale Common Stock 15,951 $87.88 $1.40M
Sale Common Stock 1,148 $88.54 $102K
Sale Common Stock 15,684 $84.62 $1.33M
Sale Common Stock 875 $85.71 $75K
Holdings After Transaction: Common Stock — 6,798,210 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 $84.05 to $85.02 per share. The weighted average price per share was $84.62. 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 $85.38 to $85.98 per share. The weighted average price per share was $85.71. 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 $86.41 to $87.38 per share. The weighted average price per share was $87.10. 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 $87.43 to $88.37 per share. The weighted average price per share was $87.88. 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 $88.44 to $88.69 per share. The weighted average price per share was $88.54. 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 $86.90 to $87.89 per share. The weighted average price per share was $87.77. 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 $87.99 to $88.33 per share. The weighted average price per share was $88.05. 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*
IP FIBRE DEVICES LTD
(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 X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
10/17/2025
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 10/17/2025 S 15,684 D(1) $84.62(2) 6,834,153 D
Common Stock 10/17/2025 S 875 D(1) $85.71(3) 6,833,278 D
Common Stock 10/20/2025 S 6,543 D(1) $87.1(4) 6,826,735 D
Common Stock 10/20/2025 S 15,951 D(1) $87.88(5) 6,810,784 D
Common Stock 10/20/2025 S 1,148 D(1) $88.54(6) 6,809,636 D
Common Stock 10/21/2025 S 11,426 D(1) $87.77(7) 6,798,210 D
Common Stock 10/21/2025 S 12,540 D(1) $88.05(8) 6,785,670 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 $84.05 to $85.02 per share. The weighted average price per share was $84.62. 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 $85.38 to $85.98 per share. The weighted average price per share was $85.71. 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 $86.41 to $87.38 per share. The weighted average price per share was $87.10. 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 $87.43 to $88.37 per share. The weighted average price per share was $87.88. 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 $88.44 to $88.69 per share. The weighted average price per share was $88.54. 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 $86.90 to $87.89 per share. The weighted average price per share was $87.77. 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 $87.99 to $88.33 per share. The weighted average price per share was $88.05. 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.

Source: View Original Filing on SEC EDGAR

FAQ

What did IPGP’s director report on Form 4?

Open‑market sales of common stock executed under a Rule 10b5‑1 trading plan, with multiple tranches on 10/17, 10/20, and 10/21/2025.

When was the Rule 10b5‑1 plan adopted for IPGP?

The plan was adopted on June 13, 2025.

What were the weighted average prices for the IPGP sales?

Reported weighted averages include $84.62, $85.71, $87.10, $87.88, $88.54, $87.77, and $88.05.

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

Direct beneficial ownership is 6,785,670 shares after the reported transactions.

On which dates did IPGP sales occur?

Sales were reported on 10/17/2025, 10/20/2025, and 10/21/2025.

Were the IPGP sales part of a prearranged plan?

Yes. The filing notes the transactions were effected pursuant to a Rule 10b5‑1 trading plan.