Rubanenko Yoram (CIK 1886447) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-14). Recent activity: Buy COST (4,129 shares), Sell COST (1,696 shares), Buy COST (4,219 shares), Sell COST (1,746 shares), Sell COST (4,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-14 | COSTCO WHOLESALE CORP /NEW (COST) | Executive Vice President | Buy | 4,129 | $0 |
| 2026-09-14 | COSTCO WHOLESALE CORP /NEW (COST) | Executive Vice President | Sell | 1,696 | $1.5M |
| 2025-09-12 | COSTCO WHOLESALE CORP /NEW (COST) | Executive Vice President | Buy | 4,219 | $0 |
| 2025-09-12 | COSTCO WHOLESALE CORP /NEW (COST) | Executive Vice President | Sell | 1,746 | $1.7M |
| 2025-07-15 | COSTCO WHOLESALE CORP /NEW (COST) | Executive Vice President | Sell | 4,000 | $3.9M |
Source: SEC Form 4 filings · as of 2026-09-14