NetApp officer Elizabeth O’Callahan sells 1,000 shares

The reported sales also include 1,000 shares for $193,820.00 on August 10 and 1,000 shares for $184,740.00 on September 10, 2026.

Rhea-AI Filing Summary

NetApp, Inc. officer Elizabeth O’Callahan reported a sale of 1,000 common shares with an aggregate market value of $237,420.00. The sale date was October 12, 2026, through Morgan Stanley Smith Barney LLC, on NASDAQ. She reported the October 12 sales on October 13 because EDGAR was not accepting submissions that day in observance of a federal holiday.

Key Figures

Common shares reported for sale: 1,000 shares Aggregate market value: $237,420.00 Shares sold: 1,000 shares +3 more

6 metrics

Common shares reported for sale 1,000 shares Sale dated October 12, 2026

Aggregate market value $237,420.00 Common shares reported for sale

Shares sold 1,000 shares August 10, 2026

Gross proceeds $193,820.00 Sale on August 10, 2026

Shares sold 1,000 shares September 10, 2026

Gross proceeds $184,740.00 Sale on September 10, 2026

Key Terms

Rule 144, Restricted Stock, Performance Shares, aggregate market value

4 terms

Rule 144 regulatory

"the definition of "person" in 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.

Restricted Stock financial

"Common | 05/15/2025 | Restricted Stock"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Performance Shares financial

"Common | 05/16/2025 | 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

"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 did Elizabeth O’Callahan report selling?

Elizabeth O’Callahan reported 1,000 common shares with an aggregate market value of $237,420.00. The sale date was October 12, 2026; Morgan Stanley Smith Barney LLC and NASDAQ are listed for the transaction.

What were Elizabeth O’Callahan’s recent NTAP sales?

During the preceding three months, she reported 1,000 common shares sold on August 10, 2026, for gross proceeds of $193,820.00, and 1,000 shares on September 10, 2026, for gross proceeds of $184,740.00.

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

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Available on EDGAR 10/13/2026 - 08:48 AM EDT Accepted by SEC EDGAR 10/13/2026 - 08:48 AM 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	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	237420.00	196419005	10/12/2026	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	05/15/2025	Restricted Stock	ISSUER			439	05/15/2025	Not Applicable
Common	05/16/2025	Performance Shares	ISSUER			561	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 OCALLAHAN 3060 Olsen Drive San Jose CA 95128	Common	09/10/2026	1000	184740.00
ELIZABETH O'CALLAHAN 3060 Olsen Drive San Jose CA 95128	Common	08/10/2026	1000	193820.00

144: Remarks and Signature

Remarks	Sales that were executed on October 12, 2026 are being reported on this Form 144 filed on October 13, 2026 given the EDGAR system was not accepting filings on October 12, 2026 in observance of the federal holiday.
Date of Notice	10/13/2026
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)