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$BIIB Congressional Trades
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Congressional Trades in Biogen Inc.

What members of the House and Senate report owning and trading in BIIB, as filed with the House Clerk and the Senate. Every row links to the filing it came from.

Trades, last 12 months
16
by 5 members
Buys / sells
9 / 7
4 bought, 3 sold
Members reporting BIIB
5
in their latest annual report
Reported after the trade
27 days
median, last 12 months

Members who report holding BIIB

As filed in each member's latest annual report, in the ranges the form uses.

Member Value reported Investor Report filed Source
J. French Hill House · Republican · AR-2 $50K – $100K Self Aug 13, 2026 Report
Lucy McBath House · Democrat · GA-6 $2K – $30K Spouse Sep 11, 2026 Report
Kevin Hern House · Republican · OK-1 $1K – $15K Self Jun 25, 2026 Report
Robert P. Bresnahan, Jr. House · Republican · PA-8 $1K – $15K Self Aug 13, 2026 Report
Susan M. Collins Senate · Republican · ME Under $1K Spouse May 15, 2026 Report

Trades from the last 90 days are part of Pro.

Traded Member Trade Amount Investor Reported Source
Sep 24, 2026 XXXXXXX XXXXXXX XXXX · XXXXX $XXK – $XXK XXXX Oct 7, 2026 13 days later Filing
Sep 11, 2026 XXXXXXX XXXXXXX XXXX · XXXXX $XXK – $XXK XXXX Oct 7, 2026 26 days later Scan
Aug 18, 2026 XXXXXXX XXXXXXX XXXX · XXXXX $XXK – $XXK XXXX Sep 1, 2026 14 days later Filing
Jun 2, 2026 Maria Elvira Salazar House · R · FL-27 Sale · Stock $15K – $50K Self Jul 7, 2026 35 days later Filing
May 27, 2026 Ro Khanna House · D · CA-17 Sale $1K – $15K Spouse Jun 9, 2026 13 days later Scan

Listed in annual reports

Transactions an annual report lists for the year it covers, apart from trade reports. Not counted in the trades above.

Traded Member Trade Amount Investor Report
Dec 19, 2025 Lucy McBath Buy · Stock $1K – $15K Spouse 2025 Annual Report filed Sep 11, 2026
Oct 10, 2018 Gary J. Palmer Sale · Stock $1K – $15K Spouse 2018 Annual Report filed Oct 16, 2019
Jun 8, 2018 Gary J. Palmer Buy · Stock $1K – $15K Spouse 2018 Annual Report filed Oct 16, 2019
Apr 4, 2017 Gary J. Palmer Buy · Stock $1K – $15K Self 2017 Annual Report filed Oct 16, 2019
Jun 3, 2016 Ed Whitfield Partial sale $1K – $15K Spouse 2016 Annual Report filed Oct 20, 2016

Members report each trade in a range, not an exact amount, and have up to 45 days to report it. Some filings are scans; where we could not read a scanned field with confidence it is left blank rather than guessed, and the filing link shows the original.

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