COST · ISSUER CIK 909832
COSTCO WHOLESALE CORP /NEW
Between Aug 1, 2026 and Oct 29, 2026, 23 COSTCO WHOLESALE CORP /NEW insiders reported $0.00 of open-market purchases and $3.8M of sales on SEC Form 4.
↗23 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 0 of 3 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$3.8MInsider selling
−$3.8MNet open-market
Oct 27, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 27, 202616:16 | Oct 22, 2026 | COST | Executive VP | F · TaxLate 5d | $1,018.21 | −3,763 | 48,460 | -7% | $3.8M | ||
| Oct 27, 202616:16 | Oct 22, 2026 | COST | Executive VP | A · GrantLate 5d | — | +4,552 | 52,223 | +10% | — | ||
| Oct 27, 202616:14 | Oct 22, 2026 | COST | Executive Vice President | F · TaxLate 5d | $1,018.21 | −260 | 3,270 | -7% | $264K | ||
| Oct 27, 202616:13 | Oct 22, 2026 | COST | Executive Vice President | F · TaxLate 5d | $1,018.21 | −1,572 | 12,747 | -11% | $1.6M | ||
| Oct 27, 202616:13 | Oct 22, 2026 | COST | Executive Vice President | A · GrantLate 5d | — | +4,129 | 14,319 | +41% | — | ||
| Oct 26, 202621:53 | Oct 22, 2026 | COST | Executive Vice President | F · Tax | $1,018.21 | −1,631 | 19,975 | -8% | $1.7M | ||
| Oct 26, 202621:53 | Oct 22, 2026 | COST | Executive Vice President | A · Grant | — | +6,140 | 21,605 | +40% | — | ||
| Oct 26, 202621:44 | Oct 22, 2026 | COST | President and CEO, Director | F · Tax | $1,018.21 | −3,656 | 62,575 | -6% | $3.7M | ||
| Oct 26, 202621:44 | Oct 22, 2026 | COST | President and CEO, Director | A · Grant | — | +13,973 | 66,231 | +27% | — | ||
| Oct 26, 202621:28 | Oct 22, 2026 | COST | Director | A · Grant | — | +266 | 8,527 | +3% | — | ||
| Oct 26, 202621:21 | Oct 22, 2026 | COST | Director | A · Grant | — | +266 | 24,356 | +1% | — | ||
| Oct 26, 202621:13 | Oct 22, 2026 | COST | Director | A · Grant | — | +266 | 481 | +124% | — | ||
| Oct 26, 202621:06 | Oct 22, 2026 | COST | Director | A · Grant | — | +266 | 6,310 | +4% | — | ||
| Oct 26, 202618:42 | Oct 22, 2026 | COST | Executive Vice President | F · Tax | $1,018.21 | −2,101 | 45,929 | -4% | $2.1M | ||
| Oct 26, 202618:32 | Oct 22, 2026 | COST | Director | A · Grant | — | +266 | 3,879 | +7% | — | ||
| Oct 26, 202618:28 | Oct 22, 2026 | COST | Director | A · Grant | — | +266 | 55,804 | +0% | — | ||
| Oct 26, 202618:27 | Oct 22, 2026 | COST | Executive Vice President | F · Tax | $1,018.21 | −260 | 3,868 | -6% | $264K | ||
| Oct 26, 202618:21 | Oct 22, 2026 | COST | Director | A · Grant | — | +266 | 1,353 | +24% | — | ||
| Oct 26, 202618:19 | Oct 22, 2026 | COST | Director | A · Grant | — | +266 | 5,045 | +6% | — | ||
| Oct 26, 202618:17 | Oct 22, 2026 | COST | Director | A · Grant | — | +266 | 8,798 | +3% | — | ||
| Oct 26, 202618:15 | Oct 22, 2026 | COST | Principal Accounting Officer | F · Tax | $1,018.21 | −537 | 6,584 | -8% | $547K | ||
| Oct 26, 202618:15 | Oct 22, 2026 | COST | Principal Accounting Officer | A · Grant | — | +1,965 | 7,120 | +38% | — | ||
| Oct 26, 202618:13 | Oct 22, 2026 | COST | Executive Vice President | F · Tax | $1,018.21 | −692 | 6,442 | -10% | $704K | ||
| Oct 14, 202619:00 | Oct 13, 2026 | COST | Executive Vice President | S · Sell | $958.21 | −1,100 | 3,094 | -26% | −$1.1M | ||
| Sep 30, 202617:52 | Sep 29, 2026 | COST | Sr. Executive Vice President | S · Sell | $915.93 | −801 | 7,912 | -9% | −$733K | ||
| Sep 30, 202617:48 | Sep 29, 2026 | COST | Executive Vice President | S · Sell | $915.93 | −2,200 | 7,134 | -24% | −$2.0M | ||
| Sep 14, 202617:30 | Sep 10, 2026 | COST | Executive Vice President | F · Tax | $902.38 | −1,935 | 4,194 | -32% | $1.7M | ||
| Sep 14, 202617:30 | Sep 10, 2026 | COST | Executive Vice President | A · Grant | — | +4,129 | 6,129 | +206% | — | ||
| Sep 14, 202617:28 | Sep 10, 2026 | COST | Executive Vice President | F · Tax | $902.38 | −1,696 | 10,680 | -14% | $1.5M | ||
| Sep 14, 202617:28 | Sep 10, 2026 | COST | Executive Vice President | A · Grant | — | +4,129 | 12,376 | +50% | — | ||
| Sep 14, 202617:25 | Sep 10, 2026 | COST | Executive Vice President | F · Tax | $902.38 | −1,562 | 14,246 | -10% | $1.4M | ||
| Sep 14, 202617:25 | Sep 10, 2026 | COST | Executive Vice President | A · Grant | — | +4,552 | 15,808 | +40% | — | ||
| Sep 14, 202617:23 | Sep 10, 2026 | COST | Executive Vice President | F · Tax | $902.38 | −936 | 48,030 | -2% | $845K | ||
| Sep 14, 202617:23 | Sep 10, 2026 | COST | Executive Vice President | A · Grant | — | +4,129 | 48,966 | +9% | — | ||
| Sep 14, 202617:22 | Sep 10, 2026 | COST | Executive Vice President | F · Tax | $902.38 | −1,459 | 6,598 | -18% | $1.3M | ||
| Sep 14, 202617:22 | Sep 10, 2026 | COST | Executive Vice President | A · Grant | — | +4,129 | 8,057 | +105% | — | ||
| Sep 14, 202617:20 | Sep 10, 2026 | COST | Executive Vice President | F · Tax | $902.38 | −1,654 | 8,713 | -16% | $1.5M | ||
| Sep 14, 202617:20 | Sep 10, 2026 | COST | Executive Vice President | A · Grant | — | +4,552 | 10,367 | +78% | — | ||
| Sep 14, 202617:17 | Sep 10, 2026 | COST | Executive Vice President | F · Tax | $902.38 | −917 | 9,334 | -9% | $827K | ||
| Sep 14, 202617:17 | Sep 10, 2026 | COST | Executive Vice President | A · Grant | — | +4,129 | 10,250 | +67% | — |