DROPBOX INC

Ticker: DBX CUSIP: 26210C104 Class: Common Stock

American Trust Investment Advisors, LLC's Holding History (CIK: 0001291424)

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

Q4 2021

Shares 91,690 Value ($000) $2,250 Avg Close $26.91 Range $23.56 - $31.47

Q3 2021

Shares 91,525 Value ($000) $2,674 Avg Close $31.06 Range $29.05 - $33.00

Q2 2021

Shares 98,435 Value ($000) $2,984 Avg Close $27.32 Range $24.07 - $30.54

Q1 2021

Shares 94,890 Value ($000) $2,530 Avg Close $24.06 Range $21.57 - $28.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	91,690	$2,250	$26.91	$23.56 - $31.47
Q3 2021	91,525	$2,674	$31.06	$29.05 - $33.00
Q2 2021	98,435	$2,984	$27.32	$24.07 - $30.54
Q1 2021	94,890	$2,530	$24.06	$21.57 - $28.33