Track public congressional STOCK Act disclosures involving COST. This becomes powerful when paired with insider Form 4 activity on the same ticker.
Amounts are reported as ranges and may lag the transaction date by up to 45 days under STOCK Act rules.
| Disclosure | Politician | Asset | Type | Owner | Amount | Copy Signal |
|---|---|---|---|---|---|---|
|
March 9, 2026
Trade Feb. 24, 2026
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Dependent child | $1,001 – $15,000 |
Hot deal
Trade price $996.98 → $1034.25
Since politician trade: +3.7%
Disclosure price $1003.84 → $1034.25
Since public filing: +3.0%
Max since buy 3.7% ·
Filed after 13 days
|
|
Feb. 6, 2026
Trade Jan. 29, 2026
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Spouse | $15,001 – $50,000 |
Hot deal
Trade price $950.21 → $1034.25
Since politician trade: +8.8%
Disclosure price $999.71 → $1034.25
Since public filing: +3.5%
Max since buy 8.8% ·
Filed after 8 days
|
|
Feb. 6, 2026
Trade Jan. 13, 2026
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Self | $1,001 – $15,000 |
Hot deal
Trade price $939.28 → $1034.25
Since politician trade: +10.1%
Disclosure price $999.71 → $1034.25
Since public filing: +3.5%
Max since buy 10.1% ·
Filed after 24 days
|
|
Feb. 6, 2026
Trade Jan. 6, 2026
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Dependent child | $1,001 – $15,000 |
Hot deal
Trade price $886.60 → $1034.25
Since politician trade: +16.6%
Disclosure price $999.71 → $1034.25
Since public filing: +3.5%
Max since buy 16.7% ·
Filed after 31 days
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|
Jan. 16, 2026
Trade Dec. 29, 2025
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Unknown | $15,001 – $50,000 |
Hot deal
Trade price $865.40 → $1034.25
Since politician trade: +19.5%
Disclosure price $960.90 → $1034.25
Since public filing: +7.6%
Max since buy 19.5% ·
Filed after 18 days
|
|
Jan. 6, 2026
Trade Dec. 12, 2025
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Dependent child | $1,001 – $15,000 |
Hot deal
Trade price $881.98 → $1034.25
Since politician trade: +17.3%
Disclosure price $886.60 → $1034.25
Since public filing: +16.6%
Max since buy 17.3% ·
Filed after 25 days
|
|
Jan. 6, 2026
Trade Dec. 5, 2025
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Dependent child | $1,001 – $15,000 |
Hot deal
Trade price $892.16 → $1034.25
Since politician trade: +15.9%
Disclosure price $886.60 → $1034.25
Since public filing: +16.6%
Max since buy 15.9% ·
Filed after 32 days
|
|
Dec. 8, 2025
Trade Nov. 10, 2025
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Dependent child | $1,001 – $15,000 |
Hot deal
Trade price $912.99 → $1034.25
Since politician trade: +13.3%
Disclosure price $885.03 → $1034.25
Since public filing: +16.9%
Max since buy 13.3% ·
Filed after 28 days
|
|
Dec. 8, 2025
Trade Nov. 3, 2025
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Dependent child | $1,001 – $15,000 |
Hot deal
Trade price $925.43 → $1034.25
Since politician trade: +11.8%
Disclosure price $885.03 → $1034.25
Since public filing: +16.9%
Max since buy 11.8% ·
Filed after 35 days
|
|
Oct. 3, 2025
Trade Sept. 5, 2025
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Dependent child | $1,001 – $15,000 |
Hot deal
Trade price $959.41 → $1034.25
Since politician trade: +7.8%
Disclosure price $911.52 → $1034.25
Since public filing: +13.5%
Max since buy 7.8% ·
Filed after 28 days
|
|
May 12, 2025
Trade April 15, 2025
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Dependent child | $1,001 – $15,000 |
Hot deal
Trade price $970.19 → $1034.25
Since politician trade: +6.6%
Disclosure price $1010.46 → $1034.25
Since public filing: +2.4%
Max since buy 8.3% ·
Filed after 27 days
|
|
May 12, 2025
Trade April 4, 2025
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Self | $1,001 – $15,000 |
Hot deal
Trade price $910.16 → $1034.25
Since politician trade: +13.6%
Disclosure price $1010.46 → $1034.25
Since public filing: +2.4%
Max since buy 15.5% ·
Filed after 38 days
|
|
March 19, 2025
Trade March 17, 2025
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Self | $1,001 – $15,000 |
Hot deal
Trade price $910.29 → $1034.25
Since politician trade: +13.6%
Disclosure price $897.82 → $1034.25
Since public filing: +15.2%
Max since buy 15.5% ·
Filed after 2 days
|
|
March 6, 2025
Trade Feb. 25, 2025
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Dependent child | $1,001 – $15,000 |
Hot deal
Trade price $1048.38 → $1034.25
Since politician trade: -1.4%
Disclosure price $1019.54 → $1034.25
Since public filing: +1.4%
Max since buy 0.2% ·
Filed after 9 days
|
|
Nov. 27, 2024
Trade Nov. 25, 2024
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Self | $1,001 – $15,000 |
Hot deal
Trade price $953.21 → $1034.25
Since politician trade: +8.5%
Disclosure price $953.87 → $1034.25
Since public filing: +8.4%
Max since buy 12.2% ·
Filed after 2 days
|
|
Oct. 8, 2024
Trade Oct. 4, 2024
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Self | $1,001 – $15,000 |
+18.2%
Trade price $874.89 → $1034.25
Since politician trade: +18.2%
Disclosure price $882.14 → $1034.25
Since public filing: +17.2%
Max since buy 22.2% ·
Filed after 4 days
|
|
June 27, 2024
Trade June 24, 2024
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Self | $1,001 – $15,000 |
+23.3%
Trade price $839.07 → $1034.25
Since politician trade: +23.3%
Disclosure price $841.51 → $1034.25
Since public filing: +22.9%
Max since buy 27.5% ·
Filed after 3 days
|
|
Dec. 9, 2023
Trade Nov. 6, 2023
|
Michael McCaul
House · Republican · TX
|
COST
Costco Wholesale Corporation
|
Buy | Spouse | $15,001 – $50,000 |
+88.2%
Trade price $549.49 → $1034.25
Since politician trade: +88.2%
Disclosure price $601.60 → $1034.25
Since public filing: +71.9%
Max since buy 94.6% ·
Filed after 33 days
|
|
Nov. 1, 2023
Trade Oct. 3, 2023
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Unknown | $1,001 – $15,000 |
+90.2%
Trade price $543.88 → $1034.25
Since politician trade: +90.2%
Disclosure price $535.95 → $1034.25
Since public filing: +93.0%
Max since buy 96.6% ·
Filed after 29 days
|
|
Oct. 12, 2023
Trade Sept. 18, 2023
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Unknown | $15,001 – $50,000 |
+90.9%
Trade price $541.65 → $1034.25
Since politician trade: +90.9%
Disclosure price $542.67 → $1034.25
Since public filing: +90.6%
Max since buy 97.4% ·
Filed after 24 days
|
|
March 14, 2023
Trade Feb. 2, 2023
|
Michael McCaul
House · Republican · TX
|
COST
Costco Wholesale Corporation
|
Buy | Self | $1,001 – $15,000 |
+106.1%
Trade price $501.83 → $1034.25
Since politician trade: +106.1%
Disclosure price $462.04 → $1034.25
Since public filing: +123.8%
Max since buy 113.1% ·
Filed after 40 days
|
|
Oct. 13, 2022
Trade Aug. 2, 2022
|
Michael McCaul
House · Republican · TX
|
COST
Costco Wholesale Corporation
|
Sell | Dependent child | $50,001 – $100,000 |
+99.2%
Trade price $519.20 → $1034.25
Since politician trade: +99.2%
Disclosure price $447.09 → $1034.25
Since public filing: +131.3%
Max since buy 106.0% ·
Filed after 72 days
|
|
July 20, 2022
Trade June 15, 2022
|
Michael McCaul
House · Republican · TX
|
COST
Costco Wholesale Corporation
|
Buy | Spouse | $1,001 – $15,000 |
+136.4%
Trade price $437.55 → $1034.25
Since politician trade: +136.4%
Disclosure price $499.93 → $1034.25
Since public filing: +106.9%
Max since buy 144.4% ·
Filed after 35 days
|
|
June 20, 2022
Trade June 10, 2022
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Spouse | $15,001 – $50,000 |
+134.1%
Trade price $441.86 → $1034.25
Since politician trade: +134.1%
Disclosure price $441.67 → $1034.25
Since public filing: +134.2%
Max since buy 142.0% ·
Filed after 10 days
|
|
Feb. 23, 2022
Trade Jan. 20, 2022
|
Michael McCaul
House · Republican · TX
|
COST
Costco Wholesale Corporation
|
Sell | Spouse | $1,001 – $15,000 |
+125.3%
Trade price $459.02 → $1034.25
Since politician trade: +125.3%
Disclosure price $471.56 → $1034.25
Since public filing: +119.3%
Max since buy 133.0% ·
Filed after 34 days
|
|
Aug. 4, 2021
Trade July 19, 2021
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Joint | $1,001 – $15,000 |
+163.6%
Trade price $392.37 → $1034.25
Since politician trade: +163.6%
Disclosure price $412.93 → $1034.25
Since public filing: +150.5%
Max since buy 172.6% ·
Filed after 16 days
|
|
July 31, 2020
Trade July 13, 2020
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Spouse | $15,001 – $50,000 |
+249.8%
Trade price $295.70 → $1034.25
Since politician trade: +249.8%
Disclosure price $298.73 → $1034.25
Since public filing: +246.2%
Max since buy 261.7% ·
Filed after 18 days
|
|
July 9, 2020
Trade June 8, 2020
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Sell | Joint | $1,001 – $15,000 |
+267.7%
Trade price $281.29 → $1034.25
Since politician trade: +267.7%
Disclosure price $298.10 → $1034.25
Since public filing: +246.9%
Max since buy 280.2% ·
Filed after 31 days
|
|
July 2, 2020
Trade June 24, 2020
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Spouse | $15,001 – $50,000 |
+279.0%
Trade price $272.90 → $1034.25
Since politician trade: +279.0%
Disclosure price $279.97 → $1034.25
Since public filing: +269.4%
Max since buy 291.9% ·
Filed after 8 days
|
|
Oct. 11, 2019
Trade Sept. 16, 2019
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Sell | Joint | $1,001 – $15,000 |
+293.8%
Trade price $262.63 → $1034.25
Since politician trade: +293.8%
Disclosure price $270.73 → $1034.25
Since public filing: +282.0%
Max since buy 307.2% ·
Filed after 25 days
|
|
Nov. 16, 2018
Trade Oct. 11, 2018
|
?
Subscribe to reveal identity
|
COST
Costco Wholesale Corporation
|
Buy | Joint | $1,001 – $15,000 |
+417.7%
Trade price $199.79 → $1034.25
Since politician trade: +417.7%
Disclosure price $208.57 → $1034.25
Since public filing: +395.9%
Max since buy 435.3% ·
Filed after 36 days
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