MetaCap

Biogen Congress Trades

NASDAQ: BIIBHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD

225.71+7.28 (+3.33%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
12
Sales
3
Politicians trading
5
Latest trade
Sep 24, 2026

Biogen Congress trading summary

Members of Congress have disclosed 55 transactions in Biogen (BIIB) stock, reported by 15 politicians. Over the past 12 months there were 12 purchases and 3 sales. The most active traders over the past year are Donald J. Trump (6), Rep. Maria Elvira Salazar (5), Rep. Gilbert Ray Cisneros, Jr. (2).

The latest reported trade is a sale by Maria Elvira Salazar dated Sep 24, 2026 and disclosed on Oct 7, 2026. The most common reported amount is $1,001 – $15,000; disclosures list value ranges, not exact amounts.

Summary generated from market data by MetaCap's automated system. Methodology

Politicians trading BIIB

BIIB trades by members of Congress

Biogen stock trades disclosed by members of Congress
PoliticianTypeAmountTradedFiling
Maria Elvira Salazar official portraitMaria Elvira SalazarR-FLHousePartial sell$1,001 – $15,000Sep 24, 2026Filing for Maria Elvira Salazar BIIB trade
Kevin Hern official portraitKevin HernR-OKHouseSell$1,001 – $15,000Aug 18, 2026Filing for Kevin Hern BIIB trade
Gilbert Ray Cisneros, Jr. official portraitGilbert Ray Cisneros, Jr.D-CAHouseBuy$1,001 – $15,000Jun 5, 2026Filing for Gilbert Ray Cisneros, Jr. BIIB trade
Maria Elvira Salazar official portraitMaria Elvira SalazarR-FLHouseSell$15,001 – $50,000Jun 2, 2026Filing for Maria Elvira Salazar BIIB trade
Maria Elvira Salazar official portraitMaria Elvira SalazarR-FLHouseBuy$1,001 – $15,000May 12, 2026Filing for Maria Elvira Salazar BIIB trade
Maria Elvira Salazar official portraitMaria Elvira SalazarR-FLHouseBuy$50,001 – $100,000May 11, 2026Filing for Maria Elvira Salazar BIIB trade
Maria Elvira Salazar official portraitMaria Elvira SalazarR-FLHouseBuy$1,001 – $15,000May 11, 2026Filing for Maria Elvira Salazar BIIB trade
Alan Armstrong official portraitAlan ArmstrongR-OKSenateBuy$1,001 – $15,000Mar 27, 2026Filing for Alan Armstrong BIIB trade
Gilbert Ray Cisneros, Jr. official portraitGilbert Ray Cisneros, Jr.D-CAHouseBuy$1,001 – $15,000Jan 30, 2026Filing for Gilbert Ray Cisneros, Jr. BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000Dec 17, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000Dec 12, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000Nov 14, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000Nov 3, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000Oct 15, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000Oct 10, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000Sep 16, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$15,001 – $50,000Aug 27, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000Aug 15, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000Jul 15, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000Jun 13, 2025Filing for Donald J. Trump BIIB trade
Robert P. Bresnahan, Jr. official portraitRobert P. Bresnahan, Jr.R-PAHouseBuy$1,001 – $15,000May 15, 2025Filing for Robert P. Bresnahan, Jr. BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000May 5, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000Apr 17, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000Apr 11, 2025Filing for Donald J. Trump BIIB trade
Robert P. Bresnahan, Jr. official portraitRobert P. Bresnahan, Jr.R-PAHouseSell$1,001 – $15,000Apr 8, 2025Filing for Robert P. Bresnahan, Jr. BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveSell$15,001 – $50,000Apr 4, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveSell$1,001 – $15,000Apr 3, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$15,001 – $50,000Mar 10, 2025Filing for Donald J. Trump BIIB trade
Robert P. Bresnahan, Jr. official portraitRobert P. Bresnahan, Jr.R-PAHouseBuy$1,001 – $15,000Feb 25, 2025Filing for Robert P. Bresnahan, Jr. BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveSell$15,001 – $50,000Feb 6, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$1,001 – $15,000Jan 30, 2025Filing for Donald J. Trump BIIB trade
Donald J. Trump official portraitDonald J. TrumpRExecutiveBuy$15,001 – $50,000Jan 6, 2025Filing for Donald J. Trump BIIB trade
Daniel S. Goldman official portraitDaniel S. GoldmanD-NYHousePartial sell$1,001 – $15,000Mar 6, 2023Filing for Daniel S. Goldman BIIB trade
Shri Thanedar official portraitShri ThanedarD-MIHouseSell$15,001 – $50,000Jan 23, 2023Filing for Shri Thanedar BIIB trade
Kathy E. Manning official portraitKathy E. ManningD-NCHouseSellJoint$1,001 – $15,000Aug 3, 2022Filing for Kathy E. Manning BIIB trade
Kathy E. Manning official portraitKathy E. ManningD-NCHouseBuyJoint$1,001 – $15,000Jul 20, 2022Filing for Kathy E. Manning BIIB trade
Josh Gottheimer official portraitJosh GottheimerD-NJHouseSellJoint$1,001 – $15,000Mar 17, 2022Filing for Josh Gottheimer BIIB trade
Kathy E. Manning official portraitKathy E. ManningD-NCHouseSellSpouse$1,001 – $15,000Jan 14, 2022Filing for Kathy E. Manning BIIB trade
Josh Gottheimer official portraitJosh GottheimerD-NJHouseBuyJoint$1,001 – $15,000Jan 10, 2022Filing for Josh Gottheimer BIIB trade
Josh Gottheimer official portraitJosh GottheimerD-NJHousePartial sellJoint$1,001 – $15,000Dec 9, 2021Filing for Josh Gottheimer BIIB trade
Josh Gottheimer official portraitJosh GottheimerD-NJHouseBuyJoint$1,001 – $15,000Oct 18, 2021Filing for Josh Gottheimer BIIB trade
Josh Gottheimer official portraitJosh GottheimerD-NJHousePartial sellJoint$1,001 – $15,000Sep 15, 2021Filing for Josh Gottheimer BIIB trade
Eric S. LanderExecutiveSell$100,001 – $250,000Jun 10, 2021Filing for Eric S. Lander BIIB trade
Josh Gottheimer official portraitJosh GottheimerD-NJHouseBuyJoint$1,001 – $15,000Jun 8, 2021Filing for Josh Gottheimer BIIB trade
Peter Meijer official portraitPeter MeijerR-MIHouseSell$15,001 – $50,000Feb 16, 2021Filing for Peter Meijer BIIB trade
Sethuraman PanchanathanExecutiveSell$1,001 – $15,000Jan 4, 2021Filing for Sethuraman Panchanathan BIIB trade
Sethuraman PanchanathanExecutiveSell$1,001 – $15,000Jan 4, 2021Filing for Sethuraman Panchanathan BIIB trade
Chris Jacobs official portraitChris JacobsR-NYHouseSell$1,001 – $15,000Jan 4, 2021Filing for Chris Jacobs BIIB trade
Gilbert Ray Cisneros, Jr. official portraitGilbert Ray Cisneros, Jr.D-CAHouseSell$1,001 – $15,000Dec 22, 2020Filing for Gilbert Ray Cisneros, Jr. BIIB trade
Gilbert Ray Cisneros, Jr. official portraitGilbert Ray Cisneros, Jr.D-CAHouseBuy$1,001 – $15,000Sep 16, 2020Filing for Gilbert Ray Cisneros, Jr. BIIB trade
Josh Gottheimer official portraitJosh GottheimerD-NJHouseBuyJoint$1,001 – $15,000Jul 7, 2020Filing for Josh Gottheimer BIIB trade
Gilbert Ray Cisneros, Jr. official portraitGilbert Ray Cisneros, Jr.D-CAHouseBuy$1,001 – $15,000Apr 29, 2020Filing for Gilbert Ray Cisneros, Jr. BIIB trade
Gilbert Ray Cisneros, Jr. official portraitGilbert Ray Cisneros, Jr.D-CAHouseSell$1,001 – $15,000Mar 18, 2020Filing for Gilbert Ray Cisneros, Jr. BIIB trade
Gilbert Ray Cisneros, Jr. official portraitGilbert Ray Cisneros, Jr.D-CAHouseBuy$1,001 – $15,000Feb 7, 2020Filing for Gilbert Ray Cisneros, Jr. BIIB trade
Donna E. Shalala official portraitDonna E. ShalalaD-FLHouseSell$1,001 – $15,000Jun 24, 2019Filing for Donna E. Shalala BIIB trade

Source: House Clerk and Senate EFD public disclosures. Trades are reported as dollar ranges and may be disclosed up to 45 days after the transaction.

Related

Source: House Clerk and Senate EFD public disclosures. Trades are reported as dollar ranges and may be disclosed up to 45 days after the transaction. Disclosures are shown as filed and are not a recommendation to buy or sell BIIB. How Congress trading data works