A new financial disclosure filed with the U.S. House of Representatives shows that the spouse of Rep. Doris O. Matsui (D-CA) purchased more than $1,000,000 in U.S. Treasury Notes due August 31, 2029. The transaction was reported under the STOCK Act, the federal law requiring members of Congress and their immediate family to publicly disclose stock, bond, and other securities trades within a set window after they occur.
According to the Periodic Transaction Report, the purchase took place on December 15, 2025. The filing lists the transaction amount in the broadest disclosure bracket available, ‘over $1,000,000,’ which is the standard reporting range for large-dollar trades under the law. The asset itself is a U.S. government-backed Treasury Note, a type of fixed-income security the federal government issues to fund its operations and pay back with interest at maturity.
What the Disclosure Actually Shows
This filing falls into the category whoisbuyingnow.com classifies as a ‘congress buy’ signal, meaning it reflects a newly acquired position rather than a sale or an existing holding being reported for the first time. Because the transaction was made by Matsui’s spouse rather than by the congresswoman herself, it’s worth noting that spousal and dependent-child trades are also required disclosures under the STOCK Act, precisely so the public can see the full financial picture connected to a lawmaker’s household.
Treasury Notes are widely held across households, retirement accounts, and institutional portfolios as a relatively conservative, interest-bearing investment. Purchases of this kind are common among investors looking for predictable returns backed by the federal government, and they differ meaningfully from trades in individual company stocks, which often draw more scrutiny from readers tracking congressional trading activity.
It’s important to be clear about what this disclosure does and doesn’t mean. Filing a Periodic Transaction Report is a legal obligation for members of Congress and their families, not an indication of wrongdoing or an insider advantage. The STOCK Act exists specifically so that these transactions are visible to the public rather than hidden, allowing voters, journalists, and researchers to review the same information at the same time.
Readers interested in following disclosures like this one can expect similar reports to surface regularly, as lawmakers and their spouses continue to buy and sell a range of assets from government bonds to corporate equities. Sites like whoisbuyingnow.com compile these filings as they’re made public, offering a running record of what’s being bought and sold without drawing conclusions about motive or timing.