Costco Wholesale Corporation (COST) Insider Trading Activity — Form 4 Filings
Recent COST insider trading activity from SEC Form 4 filings, including executive and director buys, sells, awards, filing dates, and data limitations.
Direct answer: Costco Wholesale Corporation (COST) has more selling than buying in the recent Form 4 activity available here. The data includes 45 parsed transactions from SEC filings.
SEC data retrieved .
Costco Wholesale Corporation insider activity summary
Recent activity includes 0 open-market buys, 29 sells, and other Form 4 transactions. Buy and sell counts summarize the available recent filings; they are not a complete measure of insider conviction.
Recent Form 4 transactions
| Date | Insider | Type | Reported value |
|---|
| Sep 10, 2026 |
Rubanenko Yoram |
AWARD |
Not disclosed |
| Sep 10, 2026 |
Rubanenko Yoram |
SELL |
$1,530,393 |
| Sep 10, 2026 |
Jones Teresa A. |
AWARD |
Not disclosed |
| Sep 10, 2026 |
Jones Teresa A. |
SELL |
$1,316,153 |
| Jan 21, 2026 |
Jones Teresa A. |
SELL |
$838,318 |
| Jan 14, 2026 |
Klauer James C |
SELL |
$1,408,500 |
| Jan 9, 2026 |
Miller Russell D |
SELL |
$1,374,480 |
| Dec 30, 2025 |
POLIT JAVIER |
SELL |
$481,759 |
| Dec 29, 2025 |
POLIT JAVIER |
SELL |
$1,776,904 |
| Oct 22, 2025 |
Wilderotter Mary Agnes |
AWARD |
Not disclosed |
| Oct 22, 2025 |
RAIKES JEFFREY S |
AWARD |
Not disclosed |
| Oct 22, 2025 |
Foulkes Helena |
AWARD |
Not disclosed |
Sources and limitations
Source: SEC EDGAR Form 4 filings. Filing data can be delayed, amended, incomplete, or affected by SEC rate limits. Scheduled sales, awards, exercises, and open-market trades have different meanings. This page is informational and is not financial advice.
Showing partial data — 67 of 100 filings could not be fetched due to SEC rate limiting.
Frequently asked questions
When was COST insider data retrieved?
Sep 17, 2026, 12:59 PM UTC.
Does insider buying guarantee a higher stock price?
No. Insider transactions are one data point and do not predict future returns.
View the full COST stock analysis · Search another ticker's Form 4 filings
The information on this page is for educational and informational purposes only and does not constitute professional financial advice.