Gilbert Ray Cisneros, Jr. bought Halozyme Therapeutics Inc (NASDAQ: HALO)
Gilbert Ray Cisneros, Jr. (D-CA), a U.S. Representative, has disclosed 3 trades in Halozyme Therapeutics Inc (HALO) since 2020, 2 purchases and 1 sale, worth an estimated $24K in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts).
The trade highlighted here is a purchase: Gilbert Ray Cisneros, Jr. bought $1,001 - $15,000 of Halozyme Therapeutics Inc (NASDAQ: HALO) on October 22, 2020. Since that trade, HALO is up +167.87% against the S&P 500 up +128.36%, an outperformance of +39.51%.
Across these filings, Gilbert Ray Cisneros, Jr. has been a net buyer of HALO (a buy-to-sell ratio of 2.00). The most recent disclosed HALO transaction shown was dated March 9, 2026. Each row in the table below links to that trade and its post-trade performance versus the market.
Data updated
Gilbert Ray Cisneros, Jr.'s HALO trades vs the price
HALO is up +167.87% since Gilbert Ray Cisneros, Jr. bought on October 22, 2020, versus +128.36% for the S&P 500.
Performance since this trade
All Gilbert Ray Cisneros, Jr. HALO trades
Gilbert Ray Cisneros, Jr. & HALO trading FAQ
Is it legal for Gilbert Ray Cisneros, Jr. to trade Halozyme Therapeutics Inc (HALO) stock?
Yes. Members of Congress are allowed to trade individual stocks, including Halozyme Therapeutics Inc (HALO), 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 Gilbert Ray Cisneros, Jr. buy HALO?
Gilbert Ray Cisneros, Jr. disclosed a purchase of $1,001 - $15,000 of Halozyme Therapeutics Inc (HALO) on October 22, 2020, according to public STOCK Act filings.
How has HALO performed since Gilbert Ray Cisneros, Jr.'s trade?
Since Gilbert Ray Cisneros, Jr. bought HALO on October 22, 2020, the stock is up +167.87%, versus +128.36% for the S&P 500 over the same period, an outperformance of +39.51%.
How many times has Gilbert Ray Cisneros, Jr. traded HALO?
Gilbert Ray Cisneros, Jr. has disclosed 3 HALO trades since 2020 (2 purchases 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 HALO trades?
Quantellect tracks every disclosed congressional trade in Halozyme Therapeutics Inc (HALO) on the Halozyme Therapeutics Inc congressional trading page, which aggregates filings across all members of Congress.
Gilbert Ray Cisneros, Jr.'s HALO tradesAll congressional filings for Halozyme Therapeutics IncGilbert Ray Cisneros, Jr.'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.