Data as of Sep 30, 2026, 6:36 AM
Trades Jan 6, 2025 – Aug 18, 2026
Issuer
6 politicians disclosed trades in BIIB (Biogen Inc.) between Jan 6, 2025 – Aug 18, 2026.
Trades
32
Politicians
6
Buy vol.
$273.5k
Sell vol.
$105.0k
Sector
A sale may close the position; filings are not a live holdings snapshot.
| Name | Last trade | Buys | Sells | Est. volume |
|---|---|---|---|---|
| Alan Armstrong | Mar 27, 2026 | 1 | 0 | $8,001 |
| Name | Last trade | Buys | Sells | Est. volume |
|---|---|---|---|---|
| Rob Bresnahan | May 15, 2025 | 2 | 1 | $24.0k |
| Gilbert Cisneros | Jun 5, 2026 | 2 | 0 | $16.0k |
| Maria Elvira Salazar | May 12, 2026 | 2 | 0 | $16.0k |
| Kevin Hern | Aug 18, 2026 | 0 | 1 | $8,001 |
| Name | Last trade | Buys | Sells | Est. volume |
|---|---|---|---|---|
| Gilbert Cisneros | Jun 5, 2026 | 2 | 0 | $16.0k |
| Name | Last trade | Buys | Sells | Est. volume |
|---|---|---|---|---|
| Donald J. Trump | Jun 12, 2026 | 18 | 5 | $306.5k |
| Rob Bresnahan | May 15, 2025 | 2 | 1 | $24.0k |
| Maria Elvira Salazar | May 12, 2026 | 2 | 0 | $16.0k |
| Alan Armstrong | Mar 27, 2026 | 1 | 0 | $8,001 |
| Kevin Hern | Aug 18, 2026 | 0 | 1 | $8,001 |
| Politician | Traded issuer | Sector | Type | Size | Traded | Trade price | Yesterday | Published | Filed after |
|---|---|---|---|---|---|---|---|---|---|
| Kevin Hern | Biogen Inc.BIIB | Healthcare | Sale | $1k–$15k | Aug 18, 2026 | $212.55 | $227.07 | Sep 1, 2026 | 14 days |
| Alan Armstrong | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Mar 27, 2026 | $183.84 | $227.07 | Jul 21, 2026 | 116 days |
| Gilbert Cisneros | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Jun 5, 2026 | $195.34 | $227.07 | Jul 2, 2026 | 27 days |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Sale | $1k–$15k | Jun 12, 2026 | $200.05 | $227.07 | Jun 12, 2026 | — |
| Maria Elvira Salazar | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | May 12, 2026 | $199.36 | $227.07 | Jun 8, 2026 | 27 days |
| Maria Elvira Salazar | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | May 11, 2026 | $197.95 | $227.07 | Jun 8, 2026 | 28 days |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Apr 15, 2026 | $180.54 | $227.07 | Apr 15, 2026 | — |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Sale | $1k–$15k | Apr 10, 2026 | $172.97 | $227.07 | Apr 10, 2026 | — |
| Gilbert Cisneros | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Jan 30, 2026 | $179.89 | $227.07 | Feb 13, 2026 | 14 days |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Dec 17, 2025 | $172.10 | $227.07 | Dec 17, 2025 | — |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Dec 12, 2025 | $174.10 | $227.07 | Dec 12, 2025 | — |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Nov 14, 2025 | $167.55 | $227.07 | Nov 14, 2025 | — |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Nov 3, 2025 | $151.44 | $227.07 | Nov 3, 2025 | — |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Oct 15, 2025 | $143.66 | $227.07 | Oct 15, 2025 | — |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Oct 10, 2025 | $146.57 | $227.07 | Oct 10, 2025 | — |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Sep 16, 2025 | $143.68 | $227.07 | Sep 16, 2025 | — |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Purchase | $15k–$50k | Aug 27, 2025 | $136.36 | $227.07 | Aug 27, 2025 | — |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Aug 15, 2025 | $138.60 | $227.07 | Aug 15, 2025 | — |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Jul 15, 2025 | $127.50 | $227.07 | Jul 15, 2025 | — |
| Donald J. Trump | Biogen Inc.BIIB | Healthcare | Purchase | $1k–$15k | Jun 13, 2025 | $130.65 | $227.07 | Jun 13, 2025 | — |
Download BIIB congressional trades (CSV)Every politician who disclosed a trade in this symbol in the current snapshot.
RSS for BIIBNew congressional filings in this symbol, by filing date.
Educated guesstimate only. Filings report ranges, not exact sizes. Share counts use the range midpoint (or 1.5× the floor for “Over $X”) and the closing price on the trade date. Open lots are marked to the latest Yahoo Finance close. Cash dividends and split factors are applied while a reconstructed lot is open. Sales with no matching disclosed buy are treated as closing an unseen lot at the sale price (about $0 P/L on that slice). Bonds and rows without a usable ticker are excluded. This is not actual profit.