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

Major IPG Photonics (IPGP) holder sells 64,167 shares under plan

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

Rhea-AI Filing Summary

IP Fibre Devices Ltd, a more than 10% owner of IPG Photonics Corp, reported open-market sales of 64,167 shares of common stock over February 20, 23 and 24, 2026. The shares were sold at prices generally between the high $120s and high $130s per share, under a Rule 10b5-1 trading plan adopted on June 13, 2025. After these transactions, the reporting holder owned 6,529,002 shares of IPG Photonics common stock.

Positive

  • None.

Negative

  • None.
Insider IP FIBRE DEVICES LTD
Role 10% Owner
Sold 64,167 shs ($8.53M)
Type Security Shares Price Value
Sale Common Stock 100 $135.28 $14K
Sale Common Stock 1,520 $137.00 $208K
Sale Common Stock 4,241 $131.41 $557K
Sale Common Stock 4,604 $132.31 $609K
Sale Common Stock 7,994 $133.61 $1.07M
Sale Common Stock 16,421 $134.35 $2.21M
Sale Common Stock 120 $134.95 $16K
Sale Common Stock 500 $128.79 $64K
Sale Common Stock 2,300 $129.93 $299K
Sale Common Stock 4,461 $131.11 $585K
Sale Common Stock 16,422 $132.21 $2.17M
Sale Common Stock 5,484 $132.94 $729K
Holdings After Transaction: Common Stock — 6,530,522 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 $128.33 to $129.10 per share. The weighted average price per share was $128.79. 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 $129.49 to $130.28 per share. The weighted average price per share was $129.93. 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 $130.64 to $131.17 per share. The weighted average price per share was $131.11. 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 $131.74 to $132.72 per share. The weighted average price per share was $132.21. 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 $132.75 to $133.35 per share. The weighted average price per share was $132.94. 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 $130.84 to $131.82 per share. The weighted average price per share was $131.41. 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 $131.88 to $132.82 per share. The weighted average price per share was $132.31. 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 $132.91 to $133.90 per share. The weighted average price per share was $133.61. 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 $133.91 to $134.81 per share. The weighted average price per share was $134.35. 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 $134.92 to $135.12 per share. The weighted average price per share was $134.95. 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 $136.60 to $137.53 per share. The weighted average price per share was $137.00. 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.
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)
02/20/2026
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 02/20/2026 S 500 D(1) $128.79(2) 6,592,669 D
Common Stock 02/20/2026 S 2,300 D(1) $129.93(3) 6,590,369 D
Common Stock 02/20/2026 S 4,461 D(1) $131.11(4) 6,585,908 D
Common Stock 02/20/2026 S 16,422 D(1) $132.21(5) 6,569,486 D
Common Stock 02/20/2026 S 5,484 D(1) $132.94(6) 6,564,002 D
Common Stock 02/23/2026 S 4,241 D(1) $131.41(7) 6,559,761 D
Common Stock 02/23/2026 S 4,604 D(1) $132.31(8) 6,555,157 D
Common Stock 02/23/2026 S 7,994 D(1) $133.61(9) 6,547,163 D
Common Stock 02/23/2026 S 16,421 D(1) $134.35(10) 6,530,742 D
Common Stock 02/23/2026 S 120 D(1) $134.95(11) 6,530,622 D
Common Stock 02/24/2026 S 100 D(1) $135.28 6,530,522 D
Common Stock 02/24/2026 S 1,520 D(1) $137(12) 6,529,002 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 $128.33 to $129.10 per share. The weighted average price per share was $128.79. 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 $129.49 to $130.28 per share. The weighted average price per share was $129.93. 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 $130.64 to $131.17 per share. The weighted average price per share was $131.11. 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 $131.74 to $132.72 per share. The weighted average price per share was $132.21. 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 $132.75 to $133.35 per share. The weighted average price per share was $132.94. 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 $130.84 to $131.82 per share. The weighted average price per share was $131.41. 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 $131.88 to $132.82 per share. The weighted average price per share was $132.31. 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 $132.91 to $133.90 per share. The weighted average price per share was $133.61. 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 $133.91 to $134.81 per share. The weighted average price per share was $134.35. 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 $134.92 to $135.12 per share. The weighted average price per share was $134.95. 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.
12. The reported transaction involves sale transactions ranging from $136.60 to $137.53 per share. The weighted average price per share was $137.00. 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.
Remarks:
/s/ Adam N. King, Attorney-in-Fact 02/24/2026
** 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.
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 IP Fibre Devices Ltd report in the latest IPGP Form 4 filing?

IP Fibre Devices Ltd reported selling 64,167 shares of IPG Photonics common stock in open-market transactions. The sales occurred on February 20, 23 and 24, 2026, and were executed under a pre-arranged Rule 10b5-1 trading plan adopted on June 13, 2025.

At what prices did IP Fibre Devices Ltd sell IPG Photonics (IPGP) shares?

The reported IPG Photonics share sales were executed at prices generally in the high $120s to high $130s per share. Footnotes disclose weighted average prices for different trade groups, including $128.79, $129.93, $131.11, $132.21, $132.94 and $137.00 per share across multiple transactions.

How many IPG Photonics (IPGP) shares does IP Fibre Devices Ltd own after these sales?

After the reported transactions, IP Fibre Devices Ltd holds 6,529,002 shares of IPG Photonics common stock. This post-transaction holding reflects the cumulative effect of multiple open-market sales disclosed in the Form 4, which together totaled 64,167 shares sold over three trading days.

Were the IP Fibre Devices Ltd sales of IPGP shares under a Rule 10b5-1 plan?

Yes. The Form 4 states that all reported sales were made under a Rule 10b5-1 trading plan. This plan was adopted by IP Fibre Devices Ltd on June 13, 2025, allowing pre-scheduled transactions independent of day-to-day trading decisions and market conditions.

What type of insider is IP Fibre Devices Ltd for IPG Photonics (IPGP)?

IP Fibre Devices Ltd is identified as a more than 10% owner of IPG Photonics Corp. It is not listed as a director or officer. As a large shareholder, its trades must be reported on Form 4 under SEC insider reporting rules for significant owners.

How many separate sale transactions did IP Fibre Devices Ltd report for IPGP?

The Form 4 shows 12 separate sale transactions of IPG Photonics common stock. These trades occurred on February 20, 23 and 24, 2026, with each line item reflecting a distinct block of shares sold at a specific weighted average price within stated price ranges.

Does the IPGP Form 4 disclose price ranges for the insider sale transactions?

Yes. Footnotes explain that each reported sale consists of multiple trades within specified price ranges, with a disclosed weighted average price. For example, some trades ranged from $128.33 to $129.10 and others from $136.60 to $137.53, with corresponding weighted averages provided.