[Form 4] Dropbox, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Dropbox, Inc. insider reported a Rule 10b5-1 sale. William T. Yoon, the companys Chief Legal Officer, sold 11,430 shares of Class A common stock on 09/08/2025 under a trading plan adopted June 8, 2025. The sale executed in multiple trades at prices between $29.76 and $30.41, producing a weighted average sale price of $30.1621. After the reported disposition, the reporting person beneficially owned 223,662 shares, some of which are restricted stock units that vest through February 15, 2029 and will be cancelled if he ceases to be a service provider.

Insights

Securities Analyst

TL;DR: A routine, preplanned insider sale under a 10b5-1 plan; ownership remains substantial with ongoing RSU vesting.

The filing documents a sale by the Chief Legal Officer executed pursuant to a Rule 10b5-1 plan adopted June 8, 2025, indicating this was a prearranged program rather than opportunistic trading. The transaction involved 11,430 Class A shares sold across multiple trades at a weighted average price of $30.1621. Post-sale beneficial ownership stands at 223,662 shares, and a portion of that balance consists of restricted stock units subject to vesting through February 15, 2029. For investors, the filing is informational and routine; it does not disclose material corporate events, financing, or compensation changes.

Corporate Governance Expert

TL;DR: Governance protocol followed; 10b5-1 plan noted and signature via attorney-in-fact included.

The report clearly states the transactions were made pursuant to a documented Rule 10b5-1 plan, which supports compliance with insider trading policies. The explanatory notes disclose the trade price range and vesting conditions for restricted stock units, and the form is signed by an attorney-in-fact on 09/10/2025. There are no disclosures of amendments, additional directors trades, or other governance concerns in this filing. The information is transparent and consistent with routine insider reporting obligations.

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^*

Yoon William T

(Last) (First) (Middle)

1800 OWENS STREET

SUITE 200

(Street)

SAN FRANCISCO CA 94158

(City) (State) (Zip)

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 Legal Officer

3. Date of Earliest Transaction (Month/Day/Year)
09/08/2025

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

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	09/08/2025		S(1)		11,430	D	$30.1621(2)	223,662(3)	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 June 8, 2025.

2. This transaction was executed in multiple trades at prices ranging from $29.76 to $30.41. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

3. 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, 2029. 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	09/10/2025
	** 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.

FAQ

What did Dropbox insider William T. Yoon report on Form 4 (DBX)?

The Form 4 reports a sale of 11,430 Class A shares on 09/08/2025 executed under a Rule 10b5-1 plan.

At what price were the DBX shares sold in the reported transaction?

The transaction executed at prices ranging from $29.76 to $30.41, with a weighted average sale price of $30.1621.

How many Dropbox shares does the reporting person own after the sale?

After the reported disposition, the reporting person beneficially owns 223,662 shares of Class A common stock.

Were the sales part of a trading plan for DBX insider transactions?

Yes. The shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 8, 2025.

Do any of the shares held by the reporting person have vesting conditions?

Yes. Certain securities are restricted stock units that vest through February 15, 2029 and will be cancelled if the reporting person ceases to be a service provider.