IPGP files Form 144 listing 9,975 shares

IPGP filed a Form 144 reporting proposed sales of Common Stock, showing an entry of 9,975 (shares) with a date of 05/22/2026 and a listing of Nasdaq as the market.

Rhea-AI Filing Summary

IPGP filed a Form 144 reporting proposed sales of Common Stock, showing an entry of 9,975 (shares) with a date of 05/22/2026 and a listing of Nasdaq as the market.

The filing also lists Restricted Stock Units dated 01/03/2018 (1,621), 01/03/2019 (6,571), and 01/03/2021 (1,783).

Key Figures

Proposed shares to be sold: 9,975 shares Numeric field: 1,195,108.00 Numeric field: 42,443,616 +3 more

6 metrics

Proposed shares to be sold 9,975 shares listed on the sale row with date <date>05/22/2026</date>

Numeric field 1,195,108.00 appears in the securities row (exact label not provided in excerpt)

Numeric field 42,443,616 appears in the securities row (exact label not provided in excerpt)

RSUs dated 01/03/2018 1,621 Restricted Stock Units grant date <date>01/03/2018</date>

RSUs dated 01/03/2019 6,571 Restricted Stock Units grant date <date>01/03/2019</date>

RSUs dated 01/03/2021 1,783 Restricted Stock Units grant date <date>01/03/2021</date>

Key Terms

Restricted Stock Units, Form 144, Common Stock

3 terms

Restricted Stock Units financial

"Restricted Stock Units | Issuer | 1621 | 01/03/2018"

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

"Filer Information | 144: Filer Information"

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.

Common Stock financial

"Common Stock | Stifel Nicolaus & Company Inc ... | Nasdaq"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does IPGP's Form 144 disclose about shares to be sold?

The Form 144 lists a proposed sale entry of 9,975 shares with a date of 05/22/2026. The filing itemizes the security as Common Stock and identifies Nasdaq as the market.

Are any restricted awards listed in the IPGP Form 144?

Yes. The filing shows Restricted Stock Units dated 01/03/2018 (1,621), 01/03/2019 (6,571), and 01/03/2021 (1,783). These entries appear under the securities/compensation rows.

Does the Form 144 state which market the sale will occur on?

Yes. The filing identifies Nasdaq as the market for the listed common stock transaction. No additional venue details or broker instructions are provided in the excerpt.

What date is associated with the disclosed sale on the Form 144?

The entry in the excerpt shows the date 05/22/2026 alongside the sale row. The filing pairs this date with the 9,975 shares entry and market identifier.

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

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Accepted by SEC EDGAR 05/22/2026 - 04:10 PM EDT 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	0001378546
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	Mammen Timothy PV
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	Officer

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	9975	1195108.00	42443616	05/22/2026	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	01/03/2018	Restricted Stock Units	Issuer			1621	01/03/2018	Equity Compensation
Common Stock	01/03/2019	Restricted Stock Units	Issuer			6571	01/03/2019	Equity Compensation
Common Stock	01/03/2021	Restricted Stock Units	Issuer			1783	01/03/2021	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	05/22/2026
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 Timothy Mammen
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)