Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2023-11-08 Sale | 2023-11-13 4:31 pm | COSTCO WHOLESALE CORP | COST | GALANTI RICHARD A Executive VP and CFO | 2,000 | $566.09 | $1,132,179 | 33,138 (Indirect Direct) | View |
2023-11-07 Sale | 2023-11-08 4:12 pm | COSTCO WHOLESALE CORP | COST | Riel Pierre EVP | 3,000 | $571.12 | $1,713,345 | 7,422 (Direct) | View |
2023-11-03 Sale | 2023-11-06 5:41 pm | COSTCO WHOLESALE CORP | COST | Miller Russell D Senior EVP | 4,500 | $557.75 | $2,509,864 | 10,787 (Indirect Direct) | View |
2023-10-23 Sale | 2023-10-24 5:59 pm | COSTCO WHOLESALE CORP | COST | Adamo Claudine Executive Vice President | 2,565 | $548.92 | $1,407,980 | 8,128 (Direct) | View |
2018-09-27 Purchase | 2023-10-18 7:40 pm | COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Director | 1,706 | $0 | $0 | 42,264 (Indirect Direct) | View |
2018-12-28 Sale | 2023-10-18 7:40 pm | COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Director | 555 | $0 | $0 | 42,264 (Indirect Direct) | View |
2023-10-11 Sale | 2023-10-12 4:28 pm | COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President | 1,500 | $562.01 | $843,017 | 45,134 (Direct) | View |
2023-10-10 Sale | 2023-10-12 4:26 pm | COSTCO WHOLESALE CORP | COST | GALANTI RICHARD A Executive VP and CFO | 2,000 | $565.57 | $1,131,131 | 35,138 (Indirect Direct) | View |
2023-10-09 Sale | 2023-10-11 5:30 pm | COSTCO WHOLESALE CORP | COST | Callans Patrick J Executive VP | 2,500 | $553.76 | $1,384,400 | 67,734 (Direct) | View |
2023-10-06 Sale | 2023-10-11 5:26 pm | COSTCO WHOLESALE CORP | COST | Frates Caton Executive Vice President | 1,200 | $562.64 | $675,170 | 8,363 (Direct) | View |
2023-06-28 Sale | 2023-06-29 4:09 pm | COSTCO WHOLESALE CORP | COST | DECKER SUSAN L Director | 1,565 | $533 | $834,145 | 13,329 (Direct) | View |
2023-06-13 Sale | 2023-06-15 4:16 pm | COSTCO WHOLESALE CORP | COST | GALANTI RICHARD A Executive VP and CFO | 1,500 | $522.02 | $783,038 | 30,850 (Indirect Direct) | View |
2023-06-07 Sale | 2023-06-09 4:23 pm | COSTCO WHOLESALE CORP | COST | DECKER SUSAN L Director | 3,971 | $514.14 | $2,041,659 | 14,894 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2023-10-22 Tax Withholding | 2023-10-24 8:06 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | JELINEK W CRAIG CEO | 5,433 | $552.93 | 391,535 (Direct) | View |
2023-10-22 Option Award | 2023-10-24 8:06 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | JELINEK W CRAIG CEO | 58,498 | $0 | 391,535 (Direct) | View |
2023-10-22 Tax Withholding | 2023-10-24 7:59 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Hines Daniel M. Principal Acctg Officer | 1,258 | $552.93 | 17,522 (Direct) | View |
2023-10-22 Option Award | 2023-10-24 7:59 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Hines Daniel M. Principal Acctg Officer | 3,372 | $0 | 17,522 (Direct) | View |
2023-10-22 Tax Withholding | 2023-10-24 7:37 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Sullivan John Christopher Executive VP | 2,347 | $552.93 | 40,373 (Direct) | View |
2023-10-22 Option Award | 2023-10-24 7:37 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Sullivan John Christopher Executive VP | 7,429 | $0 | 40,373 (Direct) | View |
2023-10-22 Tax Withholding | 2023-10-24 7:32 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Frates Caton Executive Vice President | 933 | $552.93 | 7,430 (Direct) | View |
2023-10-22 Tax Withholding | 2023-10-24 6:05 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President | 1,265 | $552.93 | 43,868 (Direct) | View |
2023-10-22 Tax Withholding | 2023-10-24 6:02 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Callans Patrick J Executive VP | 2,532 | $552.93 | 65,203 (Direct) | View |
2023-10-22 Tax Withholding | 2023-10-24 5:59 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Adamo Claudine Executive Vice President | 741 | $552.93 | 8,128 (Direct) | View |
2023-10-22 Option Award | 2023-10-24 2:52 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Wilderotter Mary Agnes Director | 489 | $0 | 12,349 (Direct) | View |
2023-10-22 Option Award | 2023-10-24 2:50 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | RAIKES JEFFREY S Director | 489 | $0 | 36,322 (Direct) | View |
2023-10-22 Option Award | 2023-10-24 2:48 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | STANTON JOHN W Director | 489 | $0 | 23,904 (Direct) | View |
2023-10-22 Option Award | 2023-10-24 2:41 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | MUNGER CHARLES T Director | 489 | $0 | 187,669 (Direct) | View |
2023-10-22 Option Award | 2023-10-24 2:40 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | JEWELL SARAH MR SALLY Director | 489 | $0 | 3,005 (Direct) | View |
2023-10-22 Option Award | 2023-10-24 2:36 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Director | 489 | $0 | 56,081 (Direct) | View |
2023-10-22 Option Award | 2023-10-24 2:33 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | DENMAN KENNETH D Director | 489 | $0 | 6,251 (Direct) | View |
2023-10-22 Option Award | 2023-10-24 2:31 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | DECKER SUSAN L Director | 489 | $0 | 13,818 (Direct) | View |
2023-10-22 Option Award | 2023-10-24 2:29 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Foulkes Helena Director | 489 | $0 | 528 (Direct) | View |
Ownership | 2023-10-18 7:40 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | JAMES HAMILTON E Director | 0 | $0 | 42,264 (Direct) | View |
Ownership(A) | 2023-10-13 5:22 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Foulkes Helena Director | 0 | $0 | 39 (Indirect) | View |
2023-10-10 Gift | 2023-10-12 4:26 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | GALANTI RICHARD A Executive VP and CFO | 324 | $0 | 35,138 (Direct) | View |
2022-12-13 Gift | 2023-10-11 5:30 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Callans Patrick J Executive VP | 294 | $0 | 67,734 (Direct) | View |
2023-09-26 Gift | 2023-09-28 5:41 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Miller Russell D Senior EVP | 5,192 | $0 | 15,287 (Direct) | View |
2023-09-15 Tax Withholding | 2023-09-19 6:40 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Frates Caton Executive Vice President | 2,186 | $556.36 | 9,563 (Direct) | View |
2023-09-15 Option Award | 2023-09-19 6:40 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Frates Caton Executive Vice President | 7,429 | $0 | 9,563 (Direct) | View |
2023-09-15 Tax Withholding | 2023-09-19 6:34 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Adamo Claudine Executive Vice President | 1,679 | $556.36 | 11,435 (Direct) | View |
2023-09-15 Option Award | 2023-09-19 6:34 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Adamo Claudine Executive Vice President | 7,429 | $0 | 11,435 (Direct) | View |
2023-09-15 Tax Withholding | 2023-09-19 6:32 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Riel Pierre EVP | 2,725 | $556.36 | 10,422 (Direct) | View |
2023-09-15 Option Award | 2023-09-19 6:32 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Riel Pierre EVP | 7,429 | $0 | 10,422 (Direct) | View |
2023-09-15 Tax Withholding | 2023-09-19 6:30 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President | 1,679 | $556.36 | 46,634 (Direct) | View |
2023-09-15 Option Award | 2023-09-19 6:30 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Klauer James C Executive Vice President | 7,429 | $0 | 46,634 (Direct) | View |
2023-09-15 Tax Withholding | 2023-09-19 6:28 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Miller Russell D Senior EVP | 3,003 | $556.36 | 15,287 (Direct) | View |
2023-09-15 Option Award | 2023-09-19 6:28 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Miller Russell D Senior EVP | 8,196 | $0 | 15,287 (Direct) | View |
2023-09-15 Tax Withholding | 2023-09-19 6:08 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Rubanenko Yoram Executive VP | 3,081 | $556.36 | 8,410 (Direct) | View |
2023-09-15 Option Award | 2023-09-19 6:08 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Rubanenko Yoram Executive VP | 7,429 | $0 | 8,410 (Direct) | View |
2023-09-15 Tax Withholding | 2023-09-19 6:05 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Vachris Roland Michael President and COO | 5,491 | $556.36 | 27,260 (Direct) | View |
2023-09-15 Option Award | 2023-09-19 6:05 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Vachris Roland Michael President and COO | 14,639 | $0 | 27,260 (Direct) | View |
2023-09-15 Tax Withholding | 2023-09-19 6:02 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | GALANTI RICHARD A Executive VP and CFO | 3,845 | $556.36 | 37,462 (Direct) | View |
2023-09-15 Option Award | 2023-09-19 6:02 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | GALANTI RICHARD A Executive VP and CFO | 10,457 | $0 | 37,462 (Direct) | View |
2023-09-15 Tax Withholding | 2023-09-19 6:00 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Callans Patrick J Executive VP | 705 | $556.36 | 70,528 (Direct) | View |
2023-09-15 Option Award | 2023-09-19 6:00 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Callans Patrick J Executive VP | 7,429 | $0 | 70,528 (Direct) | View |
Ownership | 2023-08-25 4:43 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | Foulkes Helena Director | 0 | $0 | 0 (Direct) | View |
2023-06-22 Gift | 2023-06-26 4:16 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | JELINEK W CRAIG CEO | 962 | $0 | 338,470 (Direct) | View |
2022-12-20 Gift | 2023-06-09 4:23 pm | N/A N/A | COSTCO WHOLESALE CORP | COST | DECKER SUSAN L Director | 55 | $0 | 14,894 (Direct) | View |