Tiffany M. Barbre's Insider Trades & SAST Disclosures

Tiffany M. Barbre's most recent trade in Costco Wholesale Corp was a trade of 2,118 Common Stock done . Disclosure was reported to the exchange on Oct. 22, 2025.

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Stock	Client Name	Client Category	Action	Reported to Exchange	Quantity	Post Transaction Holding	Traded %	Avg. Price	Value	Security Type
Costco Wholesale	Tiffany M. Barbre	Principal Accounting Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	22 Oct 2025	2,118	6,937 (0%)	0%		0	Common Stock
Costco Wholesale	Tiffany M. Barbre	Principal Accounting Officer	Sale of securities on an exchange or to another person at price $ 934.91 per share.	22 Oct 2025	1,239	5,155 (0%)	0%	934.9	1,158,353	Common Stock
Costco Wholesale	Tiffany M. Barbre	Principal Accounting Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 947.48 per share.	22 Oct 2025	135	6,479 (0%)	0%	947.5	127,910	Common Stock
Costco Wholesale	Tiffany M. Barbre	Principal Accounting Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 949.16 per share.	22 Oct 2025	118	6,614 (0%)	0%	949.2	112,001	Common Stock
Costco Wholesale	Tiffany M. Barbre	Principal Accounting Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 949.12 per share.	22 Oct 2025	113	6,823 (0%)	0%	949.1	107,250	Common Stock
Costco Wholesale	Tiffany M. Barbre	Principal Accounting Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 947.09 per share.	22 Oct 2025	90	6,733 (0%)	0%	947.1	85,238	Common Stock
Costco Wholesale	Tiffany M. Barbre	Principal Accounting Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 951.43 per share.	22 Oct 2025	84	6,394 (0%)	0%	951.4	79,920	Common Stock

*All Values are in $ Million

Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc
Security Type: Share/ Warrants / Convertible Debentures

Data as reported to USA Exchanges

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