HOUSTON ANDREW (Chief Executive Officer) sold 354.30K shares of DROPBOX, INC. on the open market

Open‑market sale worth $12.05M. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

HOUSTON ANDREW

Filed: 10/5/2026ACC: 0001734563-26-000021

InsiderHOUSTON ANDREWCIK 1734563

→

IssuerDROPBOX, INC.CIK 1467623

DirectorOfficer10% Owner· Chief Executive Officer

Since Mar 2026

-354.30K

Net shares

Net seller

$12.05M

Total sold

Open market trades

0B · 1S

Total transactions

354.30K acquired · 708.60K disposed

Non-Derivative Transactions2

Class A Common Stock

Indirect

C · Conversion

+354.30K

Price / share

—

Trade value

—

% of position

New position

10/1/2026

0.00→354.30K

Class A Common Stock

Indirect

S · Sale

−354.30K

Price / share

$34.01

Trade value

$12.05M

% of position

New position

10/1/2026

354.30K→0.00

Total

Net shares

+0.00

Net value

-$12.05M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Indirect	10/1/2026	C · Conversion	+354.30K	—	—	New position	0.00	354.30K
Class A Common Stock Indirect	10/1/2026	S · Sale	−354.30K	$34.01	$12.05M	New position	354.30K	0.00
Total			+0.00		-$12.05M

Derivative Transactions1

Class B Common Stock

Indirect

C · Conversion

Converts to

Class A Common Stock

354.30K shares

−354.30K

Strike price

Held after

65.59M

Exercisable

—

10/1/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Class B Common Stock Indirect	Class A Common Stock354.30K shares	10/1/2026	C · Conversion	−354.30K		—	65.59M

Non-Derivative Holdings (Post-Transaction)3

Class A Common Stock

Indirect

Shares owned444.44K

Class A Common Stock

Indirect

Shares owned716.73K

Class A Common Stock

Direct

Shares owned8.27M

Total

8.27M direct·1.16M indirect9.43M

Security Title	Shares Owned	Ownership Type
Class A Common Stock	444.44K	Indirect
Class A Common Stock	716.73K	Indirect
Class A Common Stock	8.27M	Direct
Total	9.43M	8.27M direct·1.16M indirect

Derivative Holdings (Post-Transaction)2

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

500.50K

Shares owned

500.50K

Exercise price

Expiration

—

Exercise window

—

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

7.61M

Shares owned

7.61M

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

8.11M

Owned

8.11M

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
Class B Common Stock Indirect	Class A Common Stock	—	—	500.50K	500.50K
Class B Common Stock Indirect	Class A Common Stock	—	—	7.61M	7.61M
Total				8.11M	8.11M