IPGP files Form 144 for RSU-related Common Stock sales

IPGP filed a Form 144 notice reporting proposed sales of Common Stock tied to previously granted restricted stock units.

Rhea-AI Filing Summary

IPGP filed a Form 144 notice reporting proposed sales of Common Stock tied to previously granted restricted stock units. The filing lists multiple RSU grant vintages with specified share counts and identifies Nasdaq as the market referenced.

Insights

Corporate Governance Analyst

Form 144 reports proposed insider sales of Common Stock tied to RSU grants.

The excerpt lists restricted stock unit grant vintages and share counts (grant dates 03/01/2017, 03/01/2022, 03/01/2023), indicating the sales relate to employee compensation settlements rather than an open-market purchase.

Timing and cash‑flow treatment are not provided in the excerpt; subsequent SEC filings or broker reports would show whether and when the listed shares were actually sold.

Key Figures

RSU grant 03/01/2017: 1,045 shares RSU grant 03/01/2022: 3,097 shares RSU grant 03/01/2023: 430 shares +2 more

5 metrics

RSU grant 03/01/2017 1,045 shares Restricted Stock Units granted 03/01/2017

RSU grant 03/01/2022 3,097 shares Restricted Stock Units granted 03/01/2022

RSU grant 03/01/2023 430 shares Restricted Stock Units granted 03/01/2023

Filing reference date 06/29/2026 Date shown in the excerpt

Listed numeric entry 4,572 Numeric value present in the excerpt (unclear label)

Key Terms

Restricted Stock Units, Form 144, Nasdaq

3 terms

Restricted Stock Units financial

"Restricted Stock Units | Issuer | | | 1045 | 03/01/2017"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Form 144 regulatory

"CONTENT METADATA ... "form_type": "144""

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Nasdaq market

"06/29/2026 | Nasdaq 144: Securities To Be Sold"

The Nasdaq is a stock exchange where many companies' shares are bought and sold, functioning much like a marketplace for investments. It matters to investors because it provides a platform to buy and sell ownership stakes in companies, helping them track the value of those companies and make informed decisions. As one of the largest and most technology-focused markets, it also reflects trends and developments in the business world.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/29/2026 - 06:11 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001378544
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	IPG PHOTONICS CORP
SEC File Number	001-33155
Address of Issuer	377 SIMARANO DRIVE MARLBOROUGH MASSACHUSETTS 01752
Phone	5083731100
Name of Person for Whose Account the Securities are To Be Sold	SCHERBAKOV EUGENE A
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Stifel Nicolaus & Company Inc 501 N Broadway St. Louis MO 63102	4572	464259.00	42443616	06/29/2026	Nasdaq

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	03/01/2017	Restricted Stock Units	Issuer			1045	03/01/2017	Equity Compensation
Common Stock	03/01/2022	Restricted Stock Units	Issuer			3097	03/01/2022	Equity Compensation
Common Stock	03/01/2023	Restricted Stock Units	Issuer			430	03/01/2023	Equity Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	06/29/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/17/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ James Weimer, as a duly authorized representative of STIFEL, as attorney-in-fact for Dr. Eugene Shcherbakov
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)