Form 8-K
Material Company Update
2026-04-15
COST filed 8-K — material company event
COSTCO WHOLESALE CORP /NEW filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Latest SEC filings for Costco Wholesale Corporation (COST) explained in plain English: insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). Sourced directly from SEC EDGAR.
COSTCO WHOLESALE CORP /NEW filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Frates Caton, listed as Executive Vice President at COSTCO WHOLESALE CORP /NEW, reported an open-market sale of 700 COST shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Caton Frates filed a Form 144 with the SEC indicating intent to sell COST (COSTCO WHOLESALE CORP /NEW) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
George Sarah Catherine (Executive Vice President) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
MILLERCHIP GARY (Executive Vice President) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
COSTCO WHOLESALE CORP /NEW filed its quarterly report with the SEC. This report includes unaudited financial statements and management discussion for the quarter.
Adamo Claudine, listed as Executive Vice President at COSTCO WHOLESALE CORP /NEW, reported an open-market sale of 730 COST shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Adamo Claudine filed a Form 144 with the SEC indicating intent to sell COST (COSTCO WHOLESALE CORP /NEW) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
COSTCO WHOLESALE CORP /NEW filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
RAIKES JEFFREY S (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Jones Teresa A. (Executive Vice President) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Jones Teresa A., listed as Executive Vice President at COSTCO WHOLESALE CORP /NEW, reported an open-market sale of 850 COST shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Jones Teresa A. filed a Form 144 with the SEC indicating intent to sell COST (COSTCO WHOLESALE CORP /NEW) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
COSTCO WHOLESALE CORP /NEW filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
DECKER SUSAN L, listed as Director at COSTCO WHOLESALE CORP /NEW, reported an open-market sale of 458 COST shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.