IPG Photonics holder proposes $11.6M stock sale

IP Fibre Devices Ltd lists the shares as acquired from IPG Photonics Corporation in a private transaction on December 31, 2000, for cash.

Rhea-AI Filing Summary

IPG Photonics Corporation’s 10% stockholder, IP Fibre Devices Ltd, gave notice of a proposed sale of 135,000 common shares, with an aggregate market value of $11,561,400.00. Stifel Nicolaus & Company Inc. is listed as broker, and October 2, 2026 is the approximate sale date. IP Fibre Devices Ltd reported three sales in the preceding three months: 27,000 shares on July 31, 2026; 12,202 on August 4, 2026; and 18,111 on August 5, 2026. Azad Daswani signed as a duly authorized representative of Stifel and attorney-in-fact for IP Fibre Devices Ltd.

Key Figures

Proposed sale: 135,000 shares Aggregate market value: $11,561,400.00 Shares sold: 27,000 shares +5 more

8 metrics

Proposed sale 135,000 shares Common stock; approximate sale date October 2, 2026

Aggregate market value $11,561,400.00 Proposed common-stock sale

Shares sold 27,000 shares July 31, 2026

Gross proceeds $2,316,794.00 Reported sale on July 31, 2026

Shares sold 12,202 shares August 4, 2026

Gross proceeds $1,161,417.00 Reported sale on August 4, 2026

Shares sold 18,111 shares August 5, 2026

Gross proceeds $1,740,726.00 Reported sale on August 5, 2026

Key Terms

Rule 144, 10% Stockholder, Private Transaction, attorney-in-fact

4 terms

Rule 144 regulatory

"paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

10% Stockholder regulatory

"10% Stockholder"

Private Transaction financial

"Private Transaction"

A private transaction is the sale or transfer of securities, assets, or ownership stakes carried out directly between a small number of parties rather than on a public exchange. For investors it matters because these deals are less visible and often less liquid than public trades, so pricing can be harder to verify, the investment can be harder to sell quickly, and buyers or sellers may gain strategic advantages not available in open markets — like negotiated terms similar to a private garage sale versus a crowded marketplace.

attorney-in-fact regulatory

"as attorney-in-fact for IP Fibre Devices Ltd"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

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

How many IPGP shares is IP Fibre Devices Ltd proposing to sell?

IP Fibre Devices Ltd gave notice of a proposed sale of 135,000 common shares with an aggregate market value of $11,561,400.00. October 2, 2026 is the approximate sale date, and Stifel Nicolaus & Company Inc. is listed as broker.

What prior IPGP sales did IP Fibre Devices Ltd report?

IP Fibre Devices Ltd reported sales of 27,000 shares with gross proceeds of $2,316,794.00 on July 31, 2026; 12,202 shares with gross proceeds of $1,161,417.00 on August 4, 2026; and 18,111 shares with gross proceeds of $1,740,726.00 on August 5, 2026.

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

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Available on EDGAR 10/02/2026 - 04:23 PM Accepted by SEC EDGAR 10/02/2026 - 04:23 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	0001130423
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	IP FIBRE DEVICES LTD
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	10% Stockholder

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	135000	11561400.00	42534539	10/02/2026	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	12/31/2000	Private Transaction	Issuer			135000	12/31/2000	Cash

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
IP Fibre Devices Ltd 377 Simarano Drive Marlborough MA 01752	Common Stock	07/31/2026	27000	2316794.00
IP Fibre Devices Ltd 377 Simarano Drive Marlborough MA 01752	Common Stock	08/04/2026	12202	1161417.00
IP Fibre Devices Ltd 377 Simarano Drive Marlborough MA 01752	Common Stock	08/05/2026	18111	1740726.00

144: Remarks and Signature

Remarks
Date of Notice	10/02/2026
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/ Azad Daswani, as a duly authorized representative of STIFEL, as attorney-in-fact for IP Fibre Devices Ltd
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)