Caton Frates

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
22 Oct 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	893.49	227.522	203.29 k	8,725.772
22 Oct 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	893.49	255.382	228.18 k	8,953.294
22 Oct 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	893.49	125.37	112.02 k	9,208.676
22 Oct 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	893.49	157.357	140.60 k	9,334.046
22 Oct 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	893.49	190.892	170.56 k	9,491.403
30 Sep 24	COST Costco Wholesale	Common Stock	Sell	Dispose S	No	No	883.35	1,700	1.50 mm	9,682.295
16 Sep 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	907.87	2,111.028	1.92 mm	11,382.295
16 Sep 24	COST Costco Wholesale	Common Stock	Grant	Acquire A	No	No	0	6,737.124	0.00	13,493.323
16 Jan 24	COST Costco Wholesale	Common Stock	Sell	Dispose S	No	No	683.4991	740	505.79 k	6,720.559
12 Jan 24	COST Costco Wholesale	Common Stock	Grant	Acquire A	No	No	0	30.744	0.00	7,460.559

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.