BIIB · NASDAQ · Biotechnology
Kevin Hern soldRepublican, Representative, OK district 1Sits on House Ways and Means, Health3 different filers disclosed BIIB within 90 days. Disclosed 14 days after the transaction; reported as an official range, not an exact amount.
3 different filers disclosed BIIB within 90 days. Disclosed 116 days after the transaction; reported as an official range, not an exact amount.
Maria Elvira Salazar soldRepublican, Representative, FL district 274 different filers disclosed BIIB within 90 days. Disclosed 35 days after the transaction; reported as an official range, not an exact amount.
Gilbert Ray Cisneros, Jr. boughtDemocrat, Representative, CA district 314 different filers disclosed BIIB within 90 days. Disclosed 27 days after the transaction; reported as an official range, not an exact amount.
Maria Elvira Salazar boughtRepublican, Representative, FL district 27Traded May 11 – May 12, 2026 · largest single filing $50,001–$100,000
May 11, 2026$50,001–$100,000
DetailsOfficial recordGilbert Ray Cisneros, Jr. boughtDemocrat, Representative, CA district 312 different filers disclosed BIIB within 90 days. Disclosed 14 days after the transaction; reported as an official range, not an exact amount.
Robert P. Bresnahan, Jr. boughtRepublican, Representative, PA district 8Disclosed 25 days after the transaction; reported as an official range, not an exact amount.
Robert P. Bresnahan, Jr. soldRepublican, Representative, PA district 8Disclosed 30 days after the transaction; reported as an official range, not an exact amount.
Robert P. Bresnahan, Jr. boughtRepublican, Representative, PA district 8Disclosed 30 days after the transaction; reported as an official range, not an exact amount.
May 12, 2026$1,001–$15,000
May 11, 2026$1,001–$15,000
DetailsOfficial record