EXTR files Form 144 to sell 19,521 shares

EXTR filed a Form 144 reporting a proposed sale of 19,521 shares of common stock on 05/15/2026.

Rhea-AI Filing Summary

EXTR filed a Form 144 reporting a proposed sale of 19,521 shares of common stock on 05/15/2026. The notice lists 3,000 shares issued as restricted stock units dated 11/07/2020 and 16,521 shares issued as restricted stock units dated 11/05/2022.

The filing names Charles Schwab & Co as the broker and identifies the securities as equity compensation units. This is a routine insider resale notice under Form 144.

Insights

Corporate Governance Analyst

Form 144 reports an insider-proposed resale of 19,521 shares via Charles Schwab.

The filing lists the securities as restricted stock units issued on 11/07/2020 and 11/05/2022

Such notices are procedural: they permit a proposed sale but do not confirm execution or proceeds. Subsequent filings or broker reports would show actual sale activity.

Key Figures

Proposed resale: 19,521 shares RSU tranche 1: 3,000 shares RSU tranche 2: 16,521 shares

3 metrics

Proposed resale 19,521 shares Form 144 notice dated 05/15/2026

RSU tranche 1 3,000 shares Restricted stock units dated 11/07/2020

RSU tranche 2 16,521 shares Restricted stock units dated 11/05/2022

Key Terms

restricted stock unit, Form 144, broker-dealer

3 terms

restricted stock unit financial

"restricted stock unit | issuer | 3000 | 11/07/2020"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Form 144 regulatory

"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.

broker-dealer financial

"Charles Schwab & Co 3000 Schwab Way westlake TX 76262"

A broker-dealer is a licensed firm or individual that both executes trades on behalf of clients (acting as a broker) and buys or sells securities for its own account (acting as a dealer). Investors care because broker-dealers provide the plumbing of markets — they place orders, hold or move cash and securities, offer research or advice, and their stability and fees directly affect trade execution, costs, and the safety of client funds; think of them as a combined travel agent and taxi for your investments.

FAQ

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

What did EXTR disclose in the Form 144 filing?

The filing reports a proposed resale of 19,521 shares of common stock, listing 3,000 and 16,521 restricted stock units granted on 11/07/2020 and 11/05/2022, respectively. It names Charles Schwab as the broker.

Does the Form 144 mean EXTR shares were sold?

No. The Form 144 is a notice of a proposed sale; it does not confirm that shares were sold or specify proceeds. Execution and settlement would appear in separate broker records or subsequent SEC filings.

Who is handling the proposed sale for EXTR?

The filing identifies Charles Schwab & Co at the listed address as the broker-dealer associated with the proposed resale reported on 05/15/2026. The broker name is provided on the form.

What type of securities are included in EXTR's Form 144?

The securities are listed as restricted stock units issued as equity compensation on 11/07/2020 and 11/05/2022. The form shows these units total 19,521 shares proposed for resale.

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

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Accepted by SEC EDGAR 05/15/2026 - 10:00 AM 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	0001658818
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	EXTREME NETWORKS INC
SEC File Number	001-40423
Address of Issuer	2121 RDU CENTER DRIVE SUITE 300 MORRISVILLE NORTH CAROLINA 27560
Phone	408-579-2800
Name of Person for Whose Account the Securities are To Be Sold	HOLMGREN KATHLEEN M
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	Charles Schwab & Co 3000 Schwab Way westlake TX 76262	19521	482363.91	130778088	05/15/2026	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	11/07/2020	restricted stock unit	issuer			3000	11/07/2020	equity compensation
common	11/05/2022	restricted stock unti	issuer			16521	11/05/2022	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	Holmgren family trust, TTEE Kathleen Holmgren
Date of Notice	05/15/2026
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	Kathleen Holmgren
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)