Dropbox (NASDAQ: DBX) CAO sells 1,305 shares under Rule 10b5-1 plan

Rhea-AI Filing Summary

Dropbox, Inc. Chief Accounting Officer Sarah Elizabeth Schubach sold 1,305 shares of Class A common stock in an open‑market transaction at $27.66 per share. The sale was executed under a pre‑arranged Rule 10b5‑1 trading plan adopted on May 16, 2025.

After this transaction, she directly holds 129,815 shares of Dropbox Class A common stock. Footnotes also note that some of her holdings include restricted stock units that vest on a schedule extending through February 15, 2030.

Insider Trade Summary 10b5-1

Net Seller: 1,305 shares ($36,096)

Net Sell 1 txn

Insider Schubach Sarah Elizabeth

Role Chief Accounting Officer

Sold 1,305 shs ($36K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	1,305	$27.66	$36K

Holdings After Transaction: Class A Common Stock — 129,815 shares (Direct, null)

Footnotes (1)

1. These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 16, 2025. Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through February 15, 2030. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock units will be cancelled by the Issuer.

Key Figures

Shares sold: 1,305 shares Sale price: $27.66 per share Shares held after sale: 129,815 shares +2 more

5 metrics

Shares sold 1,305 shares Open-market sale of Class A common stock

Sale price $27.66 per share Price for 1,305 Dropbox Class A shares sold

Shares held after sale 129,815 shares Direct Class A share ownership post-transaction

Trading plan adoption date May 16, 2025 Date Rule 10b5-1 trading plan was adopted

RSU vesting end date February 15, 2030 Restricted stock units vest through this date

Key Terms

Rule 10b5-1 trading plan, restricted stock units, Class A Common Stock, open-market sale

4 terms

Rule 10b5-1 trading plan regulatory

"These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 16, 2025."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

restricted stock units financial

"Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock..."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Class A Common Stock financial

"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.

open-market sale financial

"transaction_action: open-market sale"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

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Form 4 Insider Transactions: What Each Field Means →

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).

X

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^*

Schubach Sarah Elizabeth

(Last) (First) (Middle)

1800 OWENS STREET

(Street)

SAN FRANCISCO CALIFORNIA 94158

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
DROPBOX, INC. [ DBX ]

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

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

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

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

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	06/01/2026		S(1)		1,305	D	$27.66	129,815(2)	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

Explanation of Responses:

1. These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 16, 2025.

2. Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through February 15, 2030. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock units will be cancelled by the Issuer.

Remarks:

	/s/ Cara Angelmar, Attorney-in-Fact	06/03/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Dropbox (DBX) report for Sarah Schubach?

Dropbox reported that Chief Accounting Officer Sarah Schubach sold 1,305 Class A shares. The open‑market sale occurred at $27.66 per share and was made under a pre‑arranged Rule 10b5‑1 trading plan adopted on May 16, 2025.

At what price did the Dropbox (DBX) insider shares sell on this Form 4?

The reported sale price was $27.66 per share of Dropbox Class A common stock. Chief Accounting Officer Sarah Schubach sold 1,305 shares in this open‑market transaction, as disclosed in the Form 4 insider trading report.

How many Dropbox (DBX) shares does Sarah Schubach hold after the reported sale?

After the transaction, Sarah Schubach directly holds 129,815 Dropbox Class A shares. This post‑transaction balance reflects her remaining direct ownership following the sale of 1,305 shares disclosed in the Form 4 filing.

Was the Dropbox (DBX) insider sale made under a Rule 10b5-1 plan?

Yes. The filing states the shares were sold under a Rule 10b5‑1 trading plan. The plan was adopted by Chief Accounting Officer Sarah Schubach on May 16, 2025, indicating the trade was pre‑scheduled rather than timed at her discretion.

Does the Dropbox (DBX) insider hold restricted stock units according to this Form 4?

Yes. The footnotes state that certain securities are restricted stock units. Each unit represents the right to receive one Class A share, subject to vesting schedules that continue through February 15, 2030, and unvested units are cancelled if service ends.