Markwayne Mullin bought Zoetis Inc (NYSE: ZTS)
Markwayne Mullin (R-OK), a U.S. Senator, has disclosed 8 trades in Zoetis Inc (ZTS) since 2023, 5 purchases and 3 sales, worth an estimated $205K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a purchase: Markwayne Mullin bought $1,001 - $15,000 of Zoetis Inc (NYSE: ZTS) on October 3, 2023. Since that trade, ZTS is down -52.66% against the S&P 500 up +78.51%, an outperformance of -131.17%.
Across these filings, Markwayne Mullin has been a net buyer of ZTS (a buy-to-sell ratio of 1.67). The most recent disclosed ZTS transaction shown was dated November 10, 2025. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Markwayne Mullin's ZTS trades vs the price
ZTS is down -52.66% since Markwayne Mullin bought on October 3, 2023, versus +78.51% for the S&P 500.
Performance since this trade
All Markwayne Mullin ZTS 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 & ZTS trading FAQ
Is it legal for Markwayne Mullin to trade Zoetis Inc (ZTS) stock?
Yes. Members of Congress are allowed to trade individual stocks, including Zoetis Inc (ZTS), 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 buy ZTS?
Markwayne Mullin disclosed a purchase of $1,001 - $15,000 of Zoetis Inc (ZTS) on October 3, 2023, according to public STOCK Act filings.
How has ZTS performed since Markwayne Mullin's trade?
Since Markwayne Mullin bought ZTS on October 3, 2023, the stock is down -52.66%, versus +78.51% for the S&P 500 over the same period, an outperformance of -131.17%.
How many times has Markwayne Mullin traded ZTS?
Markwayne Mullin has disclosed 8 ZTS trades since 2023 (5 purchases and 3 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 ZTS trades?
Quantellect tracks every disclosed congressional trade in Zoetis Inc (ZTS) on the Zoetis Inc congressional trading page, which aggregates filings across all members of Congress.
Markwayne Mullin's ZTS tradesAll congressional filings for Zoetis IncMarkwayne 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.