Filed 8mo ago· Oct 5, 2025
201 days to disclose · 156 past 45-day window
Sheri Biggs
RHouseSouth Carolina-03
↓sold
Chemical & Mining Co. Of Chile
SQM
$1K-$15K
+18.3% vs S&P 500
Trade dateMar 18, 2025
Common Stock
⚑ Basic Materials
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 |
|---|---|---|---|---|---|---|
Oct 5, 2025 8mo ago | ![]() Sheri Biggs RHouseSouth Carolina-03 | ↓sold | Chemical & Mining Co. Of Chile SQM Common Stock ⚑ Basic Materials · Energy | Mar 18, 2025 201 days to disclose · 156 past 45-day window | Flat·+0.0% +18.3% vs S&P 500 | $1K-$15K midpoint $8K |
Mar 29, 2024 2.2y ago | ![]() Thomas R Carper DSenateDelaware | ↑bought | Chemical & Mining Co. Of Chile SQM Sociedad Quimica Y Minera S.A. ADR | Mar 13, 2024 16 days to disclose | Good buy·+$6.1K+75.9% +37.6% vs S&P 500 | $1K-$15K midpoint $8K |
Mar 1, 2023 3.3y ago | ![]() Thomas R Carper DSenateDelaware | ↑bought | Chemical & Mining Co. Of Chile SQM Sociedad Quimica y Minera S.A. | Feb 21, 2023 8 days to disclose | Good buy·+$443+5.5% −73.4% vs S&P 500 | $1K-$15K midpoint $8K |
Oct 4, 2022 3.7y ago | ![]() Thomas R Carper DSenateDelaware | ↓sold | Chemical & Mining Co. Of Chile SQM Sociedad Quimica y Minera S.A. | Sep 8, 2022 26 days to disclose | Smart sell·+$1.6K+20.2% +98.5% vs S&P 500 | $1K-$15K midpoint $8K |
Sep 2, 2022 3.8y ago | ![]() Thomas R Carper DSenateDelaware | ↑bought | Chemical & Mining Co. Of Chile SQM Sociedad Quimica y Minera S.A. | Aug 18, 2022 15 days to disclose | Bad buy·−$445-5.6% −72.4% vs S&P 500 | $1K-$15K midpoint $8K |