Costco Wholesale Corp
COST- Exchange
- Nasdaq
- Industry
- Retail-Variety Stores
- SEC CIK
- 0000909832
No open-market purchases or sales by Costco Wholesale Corp insiders were filed in the last 90 days; 4,260 institutions reported holding it in 13F filings for Q2 2026, worth $301.8B in total; 4 superinvestors hold it, including Markel Group and Gardner Russo & Quinn.
Members of Congress who traded COST
Since 2020, newest trade first. Options and trades reported under an earlier ticker are included.
- Trades
- 133
- Filings
- 104
- Members
- 45
- Buys / sells
- 76 / 57
- Estimated volume
- $2.58M
- Sum of range midpoints
| Member | Trades | Buys / sells | Est. volume | Last traded | Last filed |
|---|---|---|---|---|---|
| Richard McCormickRepublican · House · GA | 3 | 2 / 1 | $24.0K | Jul 30, 2026 | Aug 14, 2026 |
| Dan NewhouseRepublican · House · WA | 1 | 1 / 0 | $8.00K | Jul 10, 2026 | Jul 17, 2026 |
| Alan ArmstrongRepublican · Senate · OK | 1 | 1 / 0 | $8.00K | Mar 27, 2026 | Jul 21, 2026 |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | 8 | 7 / 1 | $113.0K | Jan 30, 2026 | Feb 13, 2026 |
| Markwayne MullinRepublican · Senate · OK | 3 | 3 / 0 | $73.0K | Dec 29, 2025 | Jan 16, 2026 |
| Shelley Moore CapitoRepublican · Senate · WV | 2 | 1 / 1 | $16.0K | Oct 17, 2025 | Nov 4, 2025 |
| John BoozmanRepublican · Senate · AR | 1 | 1 / 0 | $8.00K | Oct 9, 2025 | Nov 15, 2025 |
| Val T. HoyleDemocrat · House · OR | 2 | 1 / 1 | $16.0K | Sep 23, 2025 | Oct 10, 2025 |
| Lisa C. McClainRepublican · House · MI | 4 | 2 / 2 | $32.0K | Jul 10, 2025 | Aug 13, 2025 |
| Jefferson ShreveRepublican · House · IN | 2 | 0 / 2 | $207.5K | May 12, 2025 | Jun 22, 2025 |
| Bruce WestermanRepublican · House · AR | 2 | 1 / 1 | $16.0K | Apr 21, 2025 | May 12, 2025 |
| Greg LandsmanDemocrat · House · OH | 6 | 2 / 4 | $72.5K | Mar 27, 2025 | Apr 8, 2025 |
| Marjorie Taylor GreeneRepublican · House · GA | 6 | 6 / 0 | $72.5K | Mar 17, 2025 | Mar 19, 2025 |
| Scott FranklinRepublican · House · FL | 8 | 3 / 5 | $222.5K | Jan 28, 2025 | Jul 3, 2025 |
| James ComerRepublican · House · KY | 2 | 2 / 0 | $16.0K | Jan 2, 2025 | Jan 10, 2025 |
| Kathy E. ManningDemocrat · House · NC | 7 | 6 / 1 | $80.5K | Jul 2, 2024 | Aug 16, 2024 |
| Pete SessionsRepublican · House · TX | 2 | 1 / 1 | $16.0K | Jan 31, 2024 | Feb 29, 2024 |
| Kevin HernRepublican · House · OK | 4 | 3 / 1 | $399.0K | Jan 12, 2024 | Feb 11, 2024 |
| Jared MoskowitzDemocrat · House · FL | 3 | 3 / 0 | $24.0K | Dec 28, 2023 | Aug 21, 2024 |
| John R. CurtisRepublican · House · UT | 3 | 1 / 2 | $24.0K | Dec 4, 2023 | Dec 15, 2023 |
| Greg StantonDemocrat · House · AZ | 2 | 1 / 1 | $16.0K | Oct 24, 2023 | Nov 9, 2023 |
| Dan SullivanRepublican · Senate · AK | 1 | 0 / 1 | $8.00K | Aug 22, 2023 | Sep 22, 2023 |
| Zoe LofgrenDemocrat · House · CA | 3 | 1 / 2 | $24.0K | May 25, 2023 | Jun 6, 2023 |
| Daniel S. GoldmanDemocrat · House · NY | 1 | 0 / 1 | $32.5K | Jan 31, 2023 | Feb 24, 2023 |
| Ed PerlmutterDemocrat · House · CO | 6 | 3 / 3 | $48.0K | Nov 10, 2022 | Dec 19, 2022 |
| David B. McKinleyRepublican · House · WV | 6 | 3 / 3 | $48.0K | Jul 7, 2022 | Aug 3, 2022 |
| Donald S. Beyer, Jr.Democrat · House · VA | 10 | 7 / 3 | $104.5K | Feb 28, 2022 | Mar 3, 2022 |
| Kim SchrierDemocrat · House · WA | 1 | 0 / 1 | $32.5K | Oct 28, 2021 | Nov 18, 2021 |
| Marie NewmanDemocrat · House · IL | 2 | 1 / 1 | $65.0K | Jul 30, 2021 | Sep 8, 2021 |
| Rick LarsenDemocrat · House · WA | 1 | 1 / 0 | $8.00K | Mar 31, 2021 | May 26, 2023 |
| Peter MeijerRepublican · House · MI | 1 | 0 / 1 | $32.5K | Feb 16, 2021 | Mar 16, 2021 |
| John A. YarmuthDemocrat · House · KY | 2 | 1 / 1 | $16.0K | Jan 28, 2021 | Feb 19, 2021 |
| Jerry MoranRepublican · Senate · KS | 5 | 0 / 5 | $40.0K | Jan 27, 2021 | Feb 8, 2021 |
| Pat RobertsRepublican · Senate · KS | 3 | 2 / 1 | $97.5K | Dec 22, 2020 | Jan 14, 2021 |
| Katherine M. ClarkDemocrat · House · MA | 4 | 2 / 2 | $32.0K | Nov 5, 2020 | Dec 28, 2020 |
| Joe CourtneyDemocrat · House · CT | 2 | 1 / 1 | $16.0K | Aug 7, 2020 | Aug 27, 2020 |
| Ron WydenDemocrat · Senate · OR | 2 | 2 / 0 | $65.0K | Jul 13, 2020 | Jul 31, 2020 |
| Robert J. WittmanRepublican · House · VA | 1 | 1 / 0 | $8.00K | Jul 2, 2020 | Jan 26, 2021 |
| Josh GottheimerDemocrat · House · NJ | 1 | 0 / 1 | $8.00K | Jun 8, 2020 | Jul 9, 2020 |
| David PerdueRepublican · Senate · GA | 2 | 0 / 2 | $107.5K | Apr 14, 2020 | May 2, 2021 |
| Kelly LoefflerRepublican · Senate · GA | 1 | 0 / 1 | $175.0K | Apr 7, 2020 | May 1, 2020 |
| Dean PhillipsDemocrat · House · MN | 1 | 0 / 1 | $32.5K | Apr 2, 2020 | May 7, 2020 |
| John B. LarsonDemocrat · House · CT | 1 | 0 / 1 | $8.00K | Dec 18, 2019 | Jan 31, 2020 |
| Rick W. AllenRepublican · House · GA | 2 | 2 / 0 | $65.0K | Sep 10, 2019 | Aug 10, 2023 |
| Thomas R. SuozziDemocrat · House · NY | 2 | 1 / 1 | $40.5K | Jun 18, 2019 | Sep 23, 2021 |
Trades
Every reported trade in Costco Wholesale Corp, newest filings first.
| Member | Asset | Type | Owner | Traded | Filed | Delay | Amount | Source |
|---|---|---|---|---|---|---|---|---|
| John B. LarsonDemocrat · House · CT | COSTCostco Wholesale Corporation | Sell | Self | Dec 18, 2019 | Jan 31, 2020 | 44 days | $1K-$15K | Filing |
| Donald S. Beyer, Jr.Democrat · House · VA | COSTCostco Wholesale Corporation | Buy | Joint | Mar 24, 2020 | Apr 7, 2020 | 14 days | $1K-$15K | Filing |
| John R. CurtisRepublican · House · UT | COSTCostco Wholesale Corporation | Buy | Self | Mar 27, 2020 | Apr 9, 2020 | 13 days | $1K-$15K | Filing |
| Zoe LofgrenDemocrat · House · CA | COSTCostco Wholesale Corporation | Sell | Spouse | Mar 23, 2020 | Apr 11, 2020 | 19 days | $1K-$15K | Filing |
| David B. McKinleyRepublican · House · WV | COSTCostco Wholesale Corporation | Sell (partial) | Joint | Mar 23, 2020 | Apr 15, 2020 | 23 days | $1K-$15K | Filing |
| David B. McKinleyRepublican · House · WV | COSTCostco Wholesale Corporation | Sell (partial) | Self | Mar 9, 2020 | Apr 15, 2020 | 37 days | $1K-$15K | Filing |
| Kelly LoefflerRepublican · Senate · GA | COSTCostco Wholesale Corporation | Sell (full) | Joint | Apr 7, 2020 | May 1, 2020 | 24 days | $100K-$250K | Filing |
| John A. YarmuthDemocrat · House · KY | COSTCostco Wholesale Corporation | Buy | Self | Mar 19, 2020 | May 2, 2020 | 44 days | $1K-$15K | Filing |
| Dean PhillipsDemocrat · House · MN | COSTCostco Wholesale Corporation | Sell | Self | Apr 2, 2020 | May 7, 2020 | 35 days | $15K-$50K | Filing |
| Donald S. Beyer, Jr.Democrat · House · VA | COSTCostco Wholesale Corporation | Buy | Joint | Apr 22, 2020 | May 9, 2020 | 17 days | $1K-$15K | Filing |
| David B. McKinleyRepublican · House · WV | COSTCostco Wholesale Corporation | Buy | Joint | Apr 30, 2020 | May 15, 2020 | 15 days | $1K-$15K | Filing |
| David B. McKinleyRepublican · House · WV | COSTCostco Wholesale Corporation | Buy | Self | Apr 30, 2020 | May 15, 2020 | 15 days | $1K-$15K | Filing |
| Ed PerlmutterDemocrat · House · CO | COSTCostco Wholesale Corporation | Sell (partial) | Spouse | Apr 22, 2020 | Jun 10, 2020 | 49 daysLate | $1K-$15K | Filing |
| Ed PerlmutterDemocrat · House · CO | COSTCostco Wholesale Corporation | Buy | Spouse | Mar 18, 2020 | Jun 10, 2020 | 84 daysLate | $1K-$15K | Filing |
| Ron WydenDemocrat · Senate · OR | COSTCostco Wholesale Corporation | Buy | Spouse | Jun 24, 2020 | Jul 2, 2020 | 8 days | $15K-$50K | Filing |
| Josh GottheimerDemocrat · House · NJ | COSTCostco Wholesale Corporation | Sell | Joint | Jun 8, 2020 | Jul 9, 2020 | 31 days | $1K-$15K | Filing |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | COSTCostco Wholesale Corporation | Buy | Self | Jun 11, 2020 | Jul 17, 2020 | 36 days | $15K-$50K | Filing |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | COSTCostco Wholesale Corporation | Buy | Self | Jun 12, 2020 | Jul 17, 2020 | 35 days | $15K-$50K | Filing |
| Joe CourtneyDemocrat · House · CT | COSTCostco Wholesale Corporation | Buy | Spouse | Dec 31, 2019 | Jul 29, 2020 | 211 daysLate | $1K-$15K | Filing |
| Ron WydenDemocrat · Senate · OR | COSTCostco Wholesale Corporation | Buy | Spouse | Jul 13, 2020 | Jul 31, 2020 | 18 days | $15K-$50K | Filing |
| Jerry MoranRepublican · Senate · KS | COSTCostco Wholesale Corporation | Sell (partial) | Self | Sep 25, 2019 | Aug 5, 2020Amended | 26 days | $1K-$15K | Filing |
| Jerry MoranRepublican · Senate · KS | COSTCostco Wholesale Corporation | Sell (partial) | Spouse | Sep 25, 2019 | Aug 5, 2020Amended | 26 days | $1K-$15K | Filing |
| Donald S. Beyer, Jr.Democrat · House · VA | COSTCostco Wholesale Corporation | Sell | Joint | Jul 14, 2020 | Aug 9, 2020 | 26 days | $1K-$15K | Filing |
| Kevin HernRepublican · House · OK | COSTCostco Wholesale Corporation | Buy | Joint | Jul 27, 2020 | Aug 15, 2020 | 19 days | $1K-$15K | Filing |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | COSTCostco Wholesale Corporation | Buy | Self | Jul 13, 2020 | Aug 19, 2020 | 37 days | $1K-$15K | Filing |
| Joe CourtneyDemocrat · House · CT | COSTCostco Wholesale Corporation | Sell | Spouse | Aug 7, 2020 | Aug 27, 2020 | 20 days | $1K-$15K | Filing |
| Donald S. Beyer, Jr.Democrat · House · VA | COSTCostco Wholesale Corporation | Buy | Joint | Aug 27, 2020 | Sep 6, 2020 | 10 days | $1K-$15K | Filing |
| Jerry MoranRepublican · Senate · KS | COSTCostco Wholesale Corporation | Sell (partial) | Self | Aug 21, 2020 | Sep 8, 2020 | 18 days | $1K-$15K | Filing |
| Donald S. Beyer, Jr.Democrat · House · VA | COSTCostco Wholesale Corporation | Buy | Joint | Nov 2, 2020 | Dec 1, 2020 | 29 days | $1K-$15K | Filing |
| Donald S. Beyer, Jr.Democrat · House · VA | COSTCostco Wholesale Corporation | Buy | Joint | Nov 13, 2020 | Dec 1, 2020 | 18 days | $1K-$15K | Filing |
| Katherine M. ClarkDemocrat · House · MA | COSTCostco Wholesale Corporation | Buy | Spouse | Oct 22, 2020 | Dec 3, 2020 | 42 days | $1K-$15K | Filing |
| Katherine M. ClarkDemocrat · House · MA | COSTCostco Wholesale Corporation | Buy | Spouse | Oct 22, 2020 | Dec 3, 2020 | 42 days | $1K-$15K | Filing |
| Ed PerlmutterDemocrat · House · CO | COSTCostco Wholesale Corporation | Buy | Spouse | Oct 7, 2020 | Dec 22, 2020 | 76 daysLate | $1K-$15K | Filing |
| Katherine M. ClarkDemocrat · House · MA | COSTCostco Wholesale Corporation | Sell | Spouse | Nov 5, 2020 | Dec 28, 2020 | 53 daysLate | $1K-$15K | Filing |
| Katherine M. ClarkDemocrat · House · MA | COSTCostco Wholesale Corporation | Sell | Spouse | Nov 5, 2020 | Dec 28, 2020 | 53 daysLate | $1K-$15K | Filing |
| Pat RobertsRepublican · Senate · KS | COSTCostco Wholesale Corporation | Buy | Spouse | Dec 22, 2020 | Dec 31, 2020 | 9 days | $15K-$50K | Filing |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | COSTCostco Wholesale Corporation | Buy | Self | Dec 31, 2020 | Jan 11, 2021 | 11 days | $1K-$15K | Filing |
| Gilbert Ray Cisneros, Jr.Democrat · House · CA | COSTCostco Wholesale Corporation | Buy | Self | Dec 23, 2020 | Jan 11, 2021 | 19 days | $1K-$15K | Filing |
| Pat RobertsRepublican · Senate · KS | COSTCostco Wholesale Corporation | Sell (full) | Spouse | Nov 4, 2020 | Jan 14, 2021Amended | 29 days | $15K-$50K | Filing |
| Pat RobertsRepublican · Senate · KS | COSTCostco Wholesale Corporation | Buy | Spouse | Nov 24, 2020 | Jan 14, 2021Amended | 9 days | $15K-$50K | Filing |
| Robert J. WittmanRepublican · House · VA | COSTCostco Wholesale Corporation | Buy | Self | Jul 2, 2020 | Jan 26, 2021 | 208 daysLate | $1K-$15K | Filing |
| Jerry MoranRepublican · Senate · KS | COSTCostco Wholesale Corporation | Sell (full) | Self | Jan 27, 2021 | Feb 8, 2021 | 12 days | $1K-$15K | Filing |
| Jerry MoranRepublican · Senate · KS | COSTCostco Wholesale Corporation | Sell (full) | Spouse | Jan 27, 2021 | Feb 8, 2021 | 12 days | $1K-$15K | Filing |
| John A. YarmuthDemocrat · House · KY | COSTCostco Wholesale Corporation | Sell (partial) | Self | Jan 28, 2021 | Feb 19, 2021 | 22 days | $1K-$15K | Filing |
| David B. McKinleyRepublican · House · WV | COSTCostco Wholesale Corporation | Buy | Self | Feb 22, 2021 | Mar 1, 2021 | 7 days | $1K-$15K | Filing |
| Peter MeijerRepublican · House · MI | COSTCostco Wholesale Corporation | Sell | Self | Feb 16, 2021 | Mar 16, 2021 | 28 days | $15K-$50K | Filing |
| Donald S. Beyer, Jr.Democrat · House · VA | COSTCostco Wholesale Corporation | Sell | Joint | Mar 18, 2021 | Apr 1, 2021 | 14 days | $1K-$15K | Filing |
| David PerdueRepublican · Senate · GA | COSTCostco Wholesale Corporation | Sell (full) | Joint | Apr 14, 2020 | May 2, 2021Amended | 24 days | $15K-$50K | Filing |
| David PerdueRepublican · Senate · GA | COSTCostco Wholesale Corporation | Sell (partial) | Joint | Apr 14, 2020 | May 2, 2021Amended | 24 days | $50K-$100K | Filing |
| Marjorie Taylor GreeneRepublican · House · GA | COSTCostco Wholesale Corporation | Buy | Joint | Jul 19, 2021 | Aug 4, 2021 | 16 days | $1K-$15K | Filing |
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report.