Profitelligence · Filing Ledger Sign up free →

53 filings · most recent first

COST Form 4 Insider Filings

Over the trailing 90 days, COST insiders sold a net $847K in discretionary open-market trades (1 seller), across 16 Form 4 transactions by 9 insiders.

2026-09-14Wilcox William Richard Files Costco Wholesale Cost Form 4 September 10 2026 2026-09-14Rubanenko Yoram Files Costco Wholesale Cost Form 4 September 10 2026 2026-09-14Riel Pierre Files Costco Wholesale Cost Form 4 September 10 2026 2026-09-14Klauer James C Files Costco Wholesale Cost Form 4 September 10 2026 2026-09-14Jones Teresa A Files Costco Wholesale Cost Form 4 September 10 2026 2026-09-14Frates Caton Files Costco Wholesale Cost Form 4 September 10 2026 2026-09-14Adamo Claudine Files Costco Wholesale Cost Form 4 September 10 2026 2026-07-14Raikes Jeffrey S Files Costco Wholesale Cost Form 4 July 10 2026 2026-06-25Denman Kenneth D Files Costco Wholesale Cost Form 4 June 23 2026 2026-04-01Frates Caton Files Costco Wholesale Cost Form 4 April 01 2026 2026-03-13George Sarah Catherine Files Costco Wholesale Cost Form 4 March 12 2026 2026-03-13Millerchip Gary Files Costco Wholesale Cost Form 4 March 11 2026 2026-03-11Adamo Claudine Files Costco Wholesale Cost Form 4 March 09 2026 2026-01-29Raikes Jeffrey S Files Costco Wholesale Cost Form 4 January 27 2026 2026-01-29Jones Teresa A Files Costco Wholesale Cost Form 4 January 27 2026 2026-01-23Jones Teresa A Files Costco Wholesale Cost Form 4 January 21 2026 2026-01-20Decker Susan L Files Costco Wholesale Cost Form 4 January 16 2026 2026-01-20Raimondo Gina Marie Files Costco Wholesale Cost Form 4 January 16 2026 2026-01-15Klauer James C Files Costco Wholesale Cost Form 4 January 14 2026 2026-01-12Miller Russell D Files Costco Wholesale Cost Form 4 January 09 2026 2025-12-31Polit Javier Files Costco Wholesale Cost Form 4 December 29 2025 2025-12-30Denman Kenneth D Files Costco Wholesale Cost Form 4 December 19 2025 2025-12-18Decker Susan L Files Costco Wholesale Cost Form 4 December 15 2025 2025-12-18Raikes Jeffrey S Files Costco Wholesale Cost Form 4 November 10 2025 2025-12-18Wilcox William Richard Files Costco Wholesale Cost Form 4 November 07 2025 2025-12-18Barbre Tiffany Marie Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Vachris Roland Michael Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Sullivan John Christopher Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Polit Javier Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Millerchip Gary Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Klauer James C Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Frates Caton Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Callans Patrick J Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Adamo Claudine Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Stanton John W Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Wilderotter Mary Agnes Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Raikes Jeffrey S Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Jewell Sarah Mr Sally Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18James Hamilton E Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Foulkes Helena Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Denman Kenneth D Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Decker Susan L Files Costco Wholesale Cost Form 4 October 22 2025 2025-12-18Miller Russell D Files Costco Wholesale Cost Form 4 September 29 2025 2025-12-18Frates Caton Files Costco Wholesale Cost Form 4 September 29 2025 2025-12-18Miller Russell D Files Costco Wholesale Cost Form 4 September 23 2025 2025-12-08Rubanenko Yoram Files Costco Wholesale Cost Form 4 September 10 2025 2025-12-08Riel Pierre Files Costco Wholesale Cost Form 4 September 10 2025 2025-12-08Miller Russell D Files Costco Wholesale Cost Form 4 September 10 2025 2025-12-08Klauer James C Files Costco Wholesale Cost Form 4 September 10 2025 2025-12-08Jones Teresa A Files Costco Wholesale Cost Form 4 September 10 2025 2025-12-08Frates Caton Files Costco Wholesale Cost Form 4 September 10 2025 2025-12-08Callans Patrick J Files Costco Wholesale Cost Form 4 September 10 2025 2025-12-08Adamo Claudine Files Costco Wholesale Cost Form 4 September 10 2025

Most Active Insiders (Trailing 90 Days)

Wilcox William Richard · 2 txns−$1.7M Rubanenko Yoram · 2 txns−$1.5M Frates Caton · 2 txns−$1.5M Riel Pierre · 2 txns−$1.4M Jones Teresa A. · 2 txns−$1.3M Denman Kenneth D · 1 txn−$847K

Detected Clusters

Cluster selling: 7 insiders, $9.2M total, through Sep 17, 2026 — live cluster view →
Cluster selling: 3 insiders, $2.7M total, through Jan 21, 2026 — live cluster view →
Cluster selling: 3 insiders, $3.2M total, through Jan 16, 2026 — live cluster view →

COST full research: price, insiders, financials →