Jonathan L. Jackson bought Arm Holdings plc American Depositary Shares (NASDAQ: ARM)
Jonathan L. Jackson (D-IL), a U.S. Representative, has disclosed 2 trades in Arm Holdings plc American Depositary Shares (ARM) since 2025, 1 purchase and 1 sale, worth an estimated $16K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a purchase: Jonathan L. Jackson bought $1,001 - $15,000 of Arm Holdings plc American Depositary Shares (NASDAQ: ARM) on July 17, 2025. Since that trade, ARM is up +43.08% against the S&P 500 up +17.13%, an outperformance of +25.94%.
Across these filings, Jonathan L. Jackson has been a balanced trader of ARM (a buy-to-sell ratio of 1.00). The most recent disclosed ARM transaction shown was dated September 2, 2025. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Jonathan L. Jackson's ARM trades vs the price
ARM is up +43.08% since Jonathan L. Jackson bought on July 17, 2025, versus +17.13% for the S&P 500.
Performance since this trade
All Jonathan L. Jackson ARM trades
Jonathan L. Jackson & ARM trading FAQ
Is it legal for Jonathan L. Jackson to trade Arm Holdings plc American Depositary Shares (ARM) stock?
Yes. Members of Congress are allowed to trade individual stocks, including Arm Holdings plc American Depositary Shares (ARM), 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 Jonathan L. Jackson buy ARM?
Jonathan L. Jackson disclosed a purchase of $1,001 - $15,000 of Arm Holdings plc American Depositary Shares (ARM) on July 17, 2025, according to public STOCK Act filings.
How has ARM performed since Jonathan L. Jackson's trade?
Since Jonathan L. Jackson bought ARM on July 17, 2025, the stock is up +43.08%, versus +17.13% for the S&P 500 over the same period, an outperformance of +25.94%.
How many times has Jonathan L. Jackson traded ARM?
Jonathan L. Jackson has disclosed 2 ARM trades since 2025 (1 purchase and 1 sale). 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 ARM trades?
Quantellect tracks every disclosed congressional trade in Arm Holdings plc American Depositary Shares (ARM) on the Arm Holdings plc American Depositary Shares congressional trading page, which aggregates filings across all members of Congress.
Jonathan L. Jackson's ARM tradesAll congressional filings for Arm Holdings plc American Depositary SharesJonathan L. Jackson'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.