Pure Storage CAO Exercises Options, Sells 20,647 Shares

Rhea-AI Filing Summary

Pure Storage’s Chief Accounting Officer Mona Chu exercised a stock option to acquire 20,647 shares of Class A Common Stock at an exercise price of $10.62 per share and on the same day sold 20,647 shares in market transactions at a weighted average price of $51.50, with individual sale prices ranging from $51.48 to $51.56 per share. After these transactions, she holds 138,492 shares of Class A Common Stock directly.

Insights

Securities Analyst

TL;DR: Executive exercised vested options and sold the resulting shares the same day; filing corrects prior Form 4.

The report documents a routine option exercise and contemporaneous sale by Pure Storage's Chief Accounting Officer. The option exercise price was $10.62 and the shares were sold at a weighted average of $51.50, indicating a material gross per-share spread, though net proceeds are not stated. The amendment clarifies prior reporting errors by including the exercised options in the post-transaction beneficial ownership calculation. For investors, this is a standard insider liquidity event rather than a corporate operational disclosure.

Corporate Governance Expert

TL;DR: Amended filing corrects exercise reporting; transactions appear compliant with disclosure requirements.

The filing corrects the original Form 4 by properly reporting a fully vested option exercise (20,647 shares) and the subsequent sale executed on 10/07/2024. The explanatory footnote discloses the sale price range ($51.48–$51.56) and offers to provide per-trade details on request, which aligns with transparency expectations for Section 16 reporting. The amendment and manual signature by an attorney-in-fact demonstrate remedial action to ensure accurate public records.

Insider Trade Summary

Exercise and Sale: 20,647 shares ($844K approx. pre-tax spread)

Exercise and Sale 3 txns

Insider Chu Mona

Role Chief Accounting Officer

Sold 20,647 shs ($1.06M)

Approx. gross sale proceeds $1.06M

Approx. exercise cost $219K

Approx. pre-tax spread $844K

Type	Security	Shares	Price	Value
Exercise	Stock Option (right to buy)	20,647	$0.00	$0.00
Exercise	Class A Common Stock	20,647	$10.62	$219K
Sale	Class A Common Stock	20,647	$51.50	$1.06M

Holdings After Transaction: Stock Option (right to buy) — 8,311 contracts (Direct); Class A Common Stock — 138,492 shares (Direct)

Footnotes (2)

1. F1. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.48 to $51.56 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
2. F2. This option is fully vested.

Key Figures

Options Exercised: 20,647 shares Exercise Price: $10.62 per share Shares Sold: 20,647 shares +3 more

6 metrics

Options Exercised 20,647 shares Stock option exercised for Class A Common Stock on 2024-10-07

Exercise Price $10.62 per share Conversion or exercise price of the stock option

Shares Sold 20,647 shares Class A Common Stock sold on 2024-10-07

Weighted Avg Sale Price $51.50 per share Weighted average price for multiple sale transactions

Sale Price Range $51.48–$51.56 per share Range of individual sale prices in the reported transactions

Post-Transaction Holdings 138,492 shares Direct Class A Common Stock held by Mona Chu after transactions

Key Terms

Stock Option (right to buy), weighted average price, Class A Common Stock, Chief Accounting Officer

4 terms

Stock Option (right to buy) financial

"security_title Stock Option (right to buy)"

weighted average price financial

"The reported price in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

Class A Common Stock financial

"underlying_security_title Class A Common Stock"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

Chief Accounting Officer financial

"officer_title Chief Accounting Officer"

A chief accounting officer is a senior executive responsible for overseeing a company's financial records and ensuring all accounting practices are accurate and compliant with regulations. They play a key role in preparing financial reports that help investors understand the company's financial health, much like a trusted navigator guiding a ship through complex waters. Their work ensures transparency and trust in the company's financial information.

FAQ

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

What did Pure Storage (PSTG) insider Mona Chu do in this Form 4/A filing?

Mona Chu exercised options for 20,647 shares and sold 20,647 shares. She converted a stock option at $10.62 per share into Class A Common Stock and then sold the same number of shares at a weighted average price of $51.50.

How many Pure Storage (PSTG) shares did Mona Chu sell and at what price?

She sold 20,647 shares of Class A Common Stock at about $51.50 each. The reported price is a weighted average; individual trades occurred between $51.48 and $51.56 per share in multiple market transactions.

What option exercise did Mona Chu report for Pure Storage (PSTG)?

She exercised a fully vested stock option for 20,647 shares at $10.62 per share. The option, expiring January 30, 2025, was converted into an equivalent number of Class A Common Stock before the subsequent sale of those shares.

How many Pure Storage (PSTG) shares does Mona Chu own after these transactions?

Following the reported trades, Mona Chu holds 138,492 Class A shares directly. This post-transaction holding reflects her remaining direct ownership in Pure Storage’s Class A Common Stock after the option exercise and same-day sale.

Were Mona Chu’s Pure Storage (PSTG) share sales made in a single trade or multiple trades?

The 20,647 shares were sold in multiple transactions at different prices. The filing reports a weighted average sale price of $51.50, with individual trades executed between $51.48 and $51.56 per share.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 09/04/2025 - 06:31 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Chu Mona

(Last) (First) (Middle)

2555 AUGUSTINE DRIVE

(Street)

SANTA CLARA CA 95054

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Pure Storage, Inc. [ PSTG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/07/2024

4. If Amendment, Date of Original Filed (Month/Day/Year)
10/09/2024

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	10/07/2024		M		20,647	A	$10.62	159,139	D
Class A Common Stock	10/07/2024		S		20,647	D	$51.5(1)	138,492	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to buy)	$10.62	10/07/2024		M			20,647	(2)	01/30/2025	Class A Common Stock	20,647	$0	8,311	D

Explanation of Responses:

1. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.48 to $51.56 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

2. This option is fully vested.

Remarks:

This report on Form 4/A amends and replaces in its entirety the Form 4 filed by the Reporting Person on October 9, 2024. This report on Form 4/A (i) corrects an error with respect to the reporting of the exercise of stock options in Table II and (ii) adjusts the Amount of Securities Beneficially Owned Following the Reported Transaction(s) reflected in the Form 4 filed by the Reporting Person on October 9, 2024 to include the number of stock options exercised on October 7, 2024.

	/s/ Todd Wheeler, attorney-in-fact	09/04/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.