James C. Klauer, Executive Vice President at Costco Wholesale ($COST), sold about $5.3 million in company shares through two open market transactions over the past year. His most recent sale occurred on January 14, 2026. These sales rank him 1,837th among 11,678 insiders by total value sold, below the average of $8.6 million across about 6.4 transactions per insider. Klauer made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 14, 2026 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | S | Common Stock | 1500 | $939.00 | 44,935.4940 | 444,515,000 | 3.23% | 0.00% |
| Oct. 22, 2025 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | F | Common Stock | 111 | $944.68 | 46,435.4870 | 444,803,000 | 0.24% | 0.00% |
| Oct. 22, 2025 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | F | Common Stock | 240 | $944.68 | 47,112.8870 | 444,803,000 | 0.51% | 0.00% |
| Oct. 22, 2025 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | F | Common Stock | 191 | $944.68 | 46,922.2070 | 444,803,000 | 0.40% | 0.00% |
| Oct. 22, 2025 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | F | Common Stock | 199 | $944.68 | 46,723.5170 | 444,803,000 | 0.42% | 0.00% |
| Oct. 22, 2025 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | F | Common Stock | 177 | $944.68 | 46,546.4570 | 444,803,000 | 0.38% | 0.00% |
| Sept. 10, 2025 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | A | Common Stock | 4219 | $0.00 | 48,311.1240 | 444,803,000 | 9.57% | 0.00% |
| Sept. 10, 2025 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | F | Common Stock | 958 | $956.29 | 47,352.8370 | 444,803,000 | 1.98% | 0.00% |
| July 20, 2023 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | W | Common Stock | 99 | $0.00 | 44,092.1240 | 0 | 0.22% | 0.00% |
| April 17, 2025 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | S | Common Stock | 4000 | $981.07 | 44,092.1240 | 444,891,000 | 8.32% | 0.00% |
| Oct. 22, 2024 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | F | Common Stock | 198 | $893.49 | 48,170.2820 | 444,759,000 | 0.41% | 0.00% |
| Oct. 22, 2024 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | F | Common Stock | 191 | $893.49 | 48,368.5710 | 444,759,000 | 0.39% | 0.00% |
| Oct. 22, 2024 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | F | Common Stock | 177 | $893.49 | 47,993.6240 | 444,759,000 | 0.37% | 0.00% |
| Oct. 22, 2024 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | F | Common Stock | 291 | $893.49 | 48,799.6000 | 444,759,000 | 0.59% | 0.00% |
| Oct. 22, 2024 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | F | Common Stock | 240 | $893.49 | 48,559.6500 | 444,759,000 | 0.49% | 0.00% |
| Sept. 16, 2024 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | F | Common Stock | 1610 | $907.87 | 49,090.8240 | 444,759,000 | 3.18% | 0.00% |
| Sept. 16, 2024 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | A | Common Stock | 6737 | $0.00 | 50,701.2420 | 444,759,000 | 15.32% | 0.00% |
| Jan. 12, 2024 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | A | Common Stock | 96 | $0.00 | 43,964.1180 | 444,452,000 | 0.22% | 0.00% |
| Jan. 12, 2024 | COSTCO WHOLESALE CORP /NEW | $COST | Klauer James C | Executive Vice President | A | Common Stock | 60 | $0.00 | 43,928.4780 | 444,452,000 | 0.14% | 0.00% |