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COST

Costco Wholesale

COST congressional trading profile
High signal Consumer Latest filing: Aug 14, 2026
142
Disclosed trades tracked
$2.7M
Estimated traded volume (range midpoints)
39
Members of Congress who traded it
55/100
Highest conflict score
39 members have disclosed 142 trades in COST ($2.7M total, 59% buys). multiple members traded within a 14-day window (cluster pattern). · All-time figures from public STOCK Act filings, same database view as our dashboard · as of September 6, 2026
All-time

Members of Congress who trade COST

39 members have disclosed 142 filings in Costco Wholesale (COST) — ranked by estimated volume (range midpoints). Click a member for their full trading profile.
MemberPartyTradesBuys / sellsEst. volumeLast filedTop conflict
Ro KhannaD4325 / 18$728kJul 6, 202650
Kevin HernR43 / 1$399kFeb 11, 202450
Scott FranklinR73 / 4$223kJul 3, 202550
Jefferson ShreveR20 / 2$208kJun 22, 202555
Pat RobertsR32 / 1$98kDec 31, 202030
Donald Sternoff Beyer JrD85 / 3$89kMar 3, 202235
Kathy ManningD65 / 1$81kAug 16, 202435
Markwayne MullinR33 / 0$73kJan 16, 202630
Greg LandsmanD52 / 3$73kApr 8, 202545
Ron WydenD22 / 0$65kJul 31, 202040
Showing the top 10 of 39 members. The complete history is in the dashboard.
Latest activity

Congressional trades in COST — last 90 days

Loaded live from our database  ·  refreshed twice daily as new STOCK Act filings sync
MemberPartyFiledTradedTypeAmountConflict
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Questions

Frequently asked

Which members of Congress trade COST?
39 members of Congress have disclosed trades in Costco Wholesale (COST). The most active by estimated volume: Ro Khanna, Kevin Hern, Scott Franklin. The full ranking is in the table above.
How many congressional trades in COST are on record?
142 disclosed filings, 59% of them purchases, with an estimated combined volume of $2.7M (midpoints of the reported ranges). The latest filing we track is dated Aug 14, 2026.
Is COST a high-conflict stock in Congress?
Our current signal for COST is High signal: the highest conflict score across its filings is 55/100, and multiple members traded it within a 14-day window (cluster pattern). Scores measure the appearance of conflict in public data — not wrongdoing. How we compute it →
How can I get alerted when Congress trades COST?
Create a free Trade The Hill account, add COST as an alert, and our engine emails you a digest after each twice-daily sync — the same day new filings land. The free plan includes 3 alerts.
Get an email when Congress trades COST again
Create a free account, set an alert on COST, and our engine emails you a digest after each twice-daily sync — the same day new filings land. Free plan: 3 alerts, no card required.
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What is the conflict score? A 0–100 rating we compute for every disclosed trade from the overlap between the stock and the member's committee oversight, the size of the trade, and how slowly it was filed. 80+ flags a high conflict. It measures the appearance of conflict in public data — not wrongdoing. How we compute it →