COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

Prostatis Group LLC's Holding History (CIK: 0001649186)

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

Q4 2025

Shares 239 Value ($000) $206 Avg Close $905.73 Range $844.06 - $962.64

Q2 2023

Shares 23,743 Value ($000) $53 Avg Close $487.14 Range $459.09 - $519.84

Q1 2022

Shares 3,221 Value ($000) $1,855 Avg Close $500.83 Range $447.15 - $559.84

Q4 2021

Shares 3,532 Value ($000) $2,005 Avg Close $488.10 Range $415.17 - $544.86

Q3 2021

Shares 3,286 Value ($000) $1,477 Avg Close $418.22 Range $374.22 - $447.84

Q2 2021

Shares 2,376 Value ($000) $940 Avg Close $359.04 Range $333.36 - $380.48

Q1 2021

Shares 656 Value ($000) $231 Avg Close $329.77 Range $291.05 - $361.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	239	$206	$905.73	$844.06 - $962.64
Q2 2023	23,743	$53	$487.14	$459.09 - $519.84
Q1 2022	3,221	$1,855	$500.83	$447.15 - $559.84
Q4 2021	3,532	$2,005	$488.10	$415.17 - $544.86
Q3 2021	3,286	$1,477	$418.22	$374.22 - $447.84
Q2 2021	2,376	$940	$359.04	$333.36 - $380.48
Q1 2021	656	$231	$329.77	$291.05 - $361.01