DROPBOX INC

Ticker: DBX CUSIP: 26210C104 Class: Common Stock

SUMMIT SECURITIES GROUP LLC's Holding History (CIK: 0001531593)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1,805 Value ($000) $50 Avg Close $29.13 Range $26.83 - $32.00

Q3 2025

Shares 2,189 Value ($000) $66 Avg Close $28.60 Range $25.75 - $32.40

Q3 2024

Shares 657 Value ($000) $0 Avg Close $23.52 Range $21.32 - $25.57

Q1 2023

Shares 19 Value ($000) $0 Avg Close $21.93 Range $18.71 - $24.72

Q4 2022

Shares 1,489 Value ($000) $0 Avg Close $22.00 Range $19.22 - $24.09

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,805	$50	$29.13	$26.83 - $32.00
Q3 2025	2,189	$66	$28.60	$25.75 - $32.40
Q3 2024	657	$0	$23.52	$21.32 - $25.57
Q1 2023	19	$0	$21.93	$18.71 - $24.72
Q4 2022	1,489	$0	$22.00	$19.22 - $24.09