NetApp officer O’Callahan proposes $176K share sale

The notice lists two earlier 1,000-share sales, with gross proceeds of $237,420 in October and $184,740 in September.

Available on EDGAR 11/10/2026 - 04:09 PM EST Accepted by SEC EDGAR 11/10/2026 - 04:08 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

NetApp, Inc. (NTAP) officer Elizabeth O’Callahan reported a proposed sale of 1,000 common shares, with an aggregate market value of $175,950 and an approximate sale date of November 10, 2026. The notice lists December 22, 2025, as the plan adoption or instruction date for reliance on Rule 10b5-1. It also reports two prior sales in the preceding three months: 1,000 shares on October 12, 2026, for gross proceeds of $237,420, and 1,000 shares on September 10, 2026, for $184,740.

Key Figures

Shares to be sold: 1,000 common shares Aggregate market value: $175,950 Shares outstanding: 196,419,005 shares +5 more

8 metrics

Shares to be sold 1,000 common shares Proposed sale

Aggregate market value $175,950 Proposed sale

Shares outstanding 196,419,005 shares Number listed in the notice

Shares sold 1,000 shares October 12, 2026

Gross proceeds $237,420 Sale on October 12, 2026

Shares sold 1,000 shares September 10, 2026

Gross proceeds $184,740 Sale on September 10, 2026

Performance shares acquired 1,000 shares Acquired from the issuer on May 16, 2025

Key Terms

Rule 10b5-1, Performance Shares, Aggregate Market Value

3 terms

Rule 10b5-1 regulatory

"Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

Performance Shares financial

"Nature of Acquisition Transaction: Performance Shares"

Performance shares are a type of company stock given to executives or employees that only become theirs if the company meets specific goals, like hitting certain profits or growth targets. They motivate leaders to work toward the company’s success, because their additional shares depend on achieving these results.

Aggregate Market Value financial

"Number of Shares or Other Units To Be Sold | Aggregate Market Value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

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

How many NTAP shares does Elizabeth O’Callahan plan to sell?

The notice lists 1,000 common shares for sale, with an aggregate market value of $175,950 and an approximate sale date of November 10, 2026.

What Rule 10b5-1 plan date is listed for Elizabeth O’Callahan’s NTAP sale?

The notice lists December 22, 2025, as the plan adoption or instruction date for reliance on Rule 10b5-1.

What recent NTAP share sales by Elizabeth O’Callahan are listed?

The notice lists sales of 1,000 shares on October 12, 2026, for gross proceeds of $237,420, and 1,000 shares on September 10, 2026, for gross proceeds of $184,740.

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

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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	0001911064
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	NETAPP, INC.
SEC File Number	000-27130
Address of Issuer	3060 Olsen Drive San Jose CALIFORNIA 95128
Phone	(408) 822-6000
Name of Person for Whose Account the Securities are To Be Sold	ELIZABETH O'CALLAHAN
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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1000	175950.00	196419005	11/10/2026	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	05/16/2025	Performance Shares	ISSUER			1000	05/16/2025	Not Applicable

* 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
ELIZABETH O'CALLAHAN 3060 Olsen Drive San Jose CA 95128	Common	10/12/2026	1000	237420.00
ELIZABETH OCALLAHAN 3060 Olsen Drive San Jose CA 95128	Common	09/10/2026	1000	184740.00

144: Remarks and Signature

Remarks
Date of Notice	11/10/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/22/2025
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/ Elizabeth Mary O'Callahan
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)