
Markwayne Mullin sold CSX Corporation (NASDAQ: CSX)
Markwayne Mullin (R-OK), a U.S. Senator, has disclosed 5 trades in CSX Corporation (CSX) since 2023, 3 purchases and 2 sales, worth an estimated $138K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a sale: Markwayne Mullin sold $15,001 - $50,000 of CSX Corporation (NASDAQ: CSX) on November 10, 2025. Since that trade, CSX is up +45.93% against the S&P 500 up +7.66%, an outperformance of +38.28%.
Across these filings, Markwayne Mullin has been a net buyer of CSX (a buy-to-sell ratio of 1.50). Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Markwayne Mullin's CSX trades vs the price
CSX is up +45.93% since Markwayne Mullin sold on November 10, 2025, versus +7.66% for the S&P 500.
Performance since this trade
All Markwayne Mullin CSX trades
Estimated profit is shown for buys only, marked to the latest close. It is an estimate and does not net later sells, taxes, or fees.
Markwayne Mullin & CSX trading FAQ
Is it legal for Markwayne Mullin to trade CSX Corporation (CSX) stock?
Yes. Members of Congress are allowed to trade individual stocks, including CSX Corporation (CSX), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. Quantellect tracks those disclosures; this page does not imply the trade was improper.
When did Markwayne Mullin sell CSX?
Markwayne Mullin disclosed a sale of $15,001 - $50,000 of CSX Corporation (CSX) on November 10, 2025, according to public STOCK Act filings.
How has CSX performed since Markwayne Mullin's trade?
Since Markwayne Mullin sold CSX on November 10, 2025, the stock is up +45.93%, versus +7.66% for the S&P 500 over the same period, an outperformance of +38.28%.
How many times has Markwayne Mullin traded CSX?
Markwayne Mullin has disclosed 5 CSX trades since 2023 (3 purchases and 2 sales). Every disclosed trade is listed on this page.
How soon must members of Congress disclose a trade?
Under the STOCK Act, members of Congress must publicly report a covered transaction within 45 days of the trade. Filings can still be delayed, amended, or contain errors.
Where can I see all congressional CSX trades?
Quantellect tracks every disclosed congressional trade in CSX Corporation (CSX) on the CSX Corporation congressional trading page, which aggregates filings across all members of Congress.
Markwayne Mullin's CSX tradesAll congressional filings for CSX CorporationMarkwayne Mullin's full profile
Not investment advice. Congressional trading data is sourced from public STOCK Act disclosures, which are filed with a delay and may contain errors or be revised. Estimated prices and post-trade returns are derived algorithmically from public filings and end-of-day market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.

