Filed 4mo ago· Jan 16, 2026
18 days to disclose
Markwayne Mullin
RSenateOklahoma
↑bought
Costco Wholesale
COST
$15K-$50K
+8.7% vs S&P 500
Trade dateDec 29, 2025
Stock trades that members of the U.S. House and Senate disclose, by law, after they buy or sell. Pulled straight from the official government websites — typically posted within hours of being filed.










| Filed | Politician | Type | Stock | Trade date | Smart move? | Size |
|---|---|---|---|---|---|---|
Jan 16, 2026 4mo ago | ![]() Markwayne Mullin RSenateOklahoma | ↑bought | Costco Wholesale COST | Dec 29, 2025 18 days to disclose | Good buy·+$5.1K+15.6% +8.7% vs S&P 500 | $15K-$50K midpoint $32.5K |
Nov 15, 2025 6mo ago | ![]() John Boozman RSenateArkansas | ↑bought | Costco Wholesale COST ⚑ Consumer Defensive · Agriculture, Nutrition, and Forestry | Oct 9, 2025 37 days to disclose | Good buy·+$509+6.4% −0.8% vs S&P 500 | $1K-$15K midpoint $8K |
Nov 4, 2025 7mo ago | ![]() Shelley Moore Capito RSenateWest Virginia | ↓sold | Costco Wholesale COST | Oct 17, 2025 18 days to disclose | Flat·+0.0% +4.9% vs S&P 500 | $1K-$15K midpoint $8K |
Dec 15, 2023 2.5y ago | ![]() John R. Curtis RSenateUtah | ↓sold | Costco Wholesale COST | Dec 4, 2023 11 days to disclose | Missed gain·−$5.5K-68.8% −12.5% vs S&P 500 | $1K-$15K midpoint $8K |
Nov 1, 2023 2.6y ago | ![]() Markwayne Mullin RSenateOklahoma | ↑bought | Costco Wholesale COST | Oct 3, 2023 29 days to disclose | Good buy·+$6.2K+77.5% +54.2% vs S&P 500 | $1K-$15K midpoint $8K |
Oct 12, 2023 2.6y ago | ![]() Markwayne Mullin RSenateOklahoma | ↑bought | Costco Wholesale COST | Sep 18, 2023 24 days to disclose | Good buy·+$25.8K+79.5% +62.4% vs S&P 500 | $15K-$50K midpoint $32.5K |
Sep 22, 2023 2.7y ago | ![]() Dan Sullivan RSenateAlaska | ↓sold | Costco Wholesale COST | Aug 22, 2023 31 days to disclose | Missed gain·−$7K-87.8% −24.9% vs S&P 500 | $1K-$15K midpoint $8K |
Sep 18, 2023 2.7y ago | ![]() Dan Sullivan RSenateAlaska | ↓sold | Costco Wholesale COST | Aug 22, 2023 27 days to disclose | Missed gain·−$7K-87.8% −24.9% vs S&P 500 | $1K-$15K midpoint $8K |
Mar 13, 2023 3.2y ago | ![]() John R. Curtis RSenateUtah | ↓sold | Costco Wholesale COST | Feb 23, 2023 18 days to disclose | Flat·+0.0% +14.2% vs S&P 500 | $1K-$15K midpoint $8K |
Aug 10, 2022 3.8y ago | ![]() Shelley Moore Capito RSenateWest Virginia | ↑bought | Costco Wholesale COST | Jul 1, 2022 40 days to disclose | Good buy·+$8.7K+108.2% +20.9% vs S&P 500 | $1K-$15K midpoint $8K |
May 2, 2021 5.1y ago | DJ David A Perdue , Jr —Senate | ↓sold | Costco Wholesale COST | Apr 14, 2020 383 days to disclose · 338 past 45-day window | price pending | $15K-$50K midpoint $32.5K |
May 2, 2021 5.1y ago | DJ David A Perdue , Jr —Senate | ↓sold | Costco Wholesale COST | Apr 14, 2020 383 days to disclose · 338 past 45-day window | price pending | $50K-$100K midpoint $75K |