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BIIB
Ticker
BIIB
Biogen Inc.
Healthcare
Congressional Trades
23
by 5 members
Buys
13
57%
Sells
10
43%
Total Volume
$209K
midpoint
Unique Traders
5
members
Party Breakdown
Democrats19 · 83%
Republicans4 · 17%
Party Trading Divergence
Democrat vs. Republican buy / sell pressure by monthMODERATEBar length = total trades. Color = net sentiment — green = net buying, red = net selling. Months with no activity hidden.
Democrat ←
Month
→ Republican
0▲1▼
Jan '23
—
0▲2▼
Mar '24
—
1▲
Apr '24
—
1▲1▼
Aug '24
—
1▲
Oct '24
—
1▲
Nov '24
—
0▲1▼
Jan '25
—
1▲1▼
Feb '25
1▲
1▲
Apr '25⚡
0▲1▼
0▲1▼
May '25⚡
2▲
1▲
Aug '25
—
3▲
Jan '26
—
0▲1▼
Feb '26
—
Democrats10▲8▼Net buyers
vs
Republicans3▲1▼Net buyers
Net buyingNet selling⚡ Party split
💼 Lobbying Filings
all →- 2026-04-20$1.5MBIOGENDiscussions regarding drug cost and pricing policy and issues related to the Medicaid 340B program, no specific bill. Discussions regarding drug pricing and supply chain issues; rare diseases; Alzheimer's policy, screening and diagnosis, dementia care; ALS, Lupus and Kidney related policy issues. Issues related to patient affordability and access issues, including copay cards, copay accumulators, copay maximizers, coverage issues, no specific bill numbers. Engage on public policy associated with orphan drug act, rare disease research, screening, detection and patient access for rare therapies. Public Policy efforts around Alzheimer's screening and diagnosis Public policy around patients access and affordability for necessary and life-saving medications prescribed by their doctors. S.864, HELP Copays Act, to amend title XXVII of the Public Health Service Act to apply financial assistance towards the cost-share H.R.6130/S.3267, ASAP Act, to provide coverage for blood based biomarker Al
- 2026-04-20$60KBIOGEN INC.Issues related to tax reform. Trade-related public policy around tariffs and intellectual property. Issues related to rare diseases including Alzheimer's disease, Amyotrophic lateral sclerosis (ALS), Lou Gehrig's Disease. Drug pricing and drug development policies. Screening and diagnosis. Patient affordability and access issues, including copay cards, copay accumulators, copay maximizers, coverage issues. Orphan Drug Act. Issues related to the FDA including PDUFA, drug reviews, approval pathways, and clinical trials. Policies related to value based arrangements. Issues related to rare disease and treatment. Drug pricing policy. Issues related to the Medicaid 340B program. Public policy around patients' access and affordability. Alzheimer's disease. Issues related to Medicare Part B and D. Issues relating to drug pricing policy. Pharmacy benefit manager legislation related to patient access to therapies. Intellectual property protections and enforcement. Biopharmaceutical pat
- 2026-04-20$50KBIOGEN INC.Issues related to Medicare Part B and Part D Issues related to the pharmaceutical industry
- 2026-04-20$50KBIOGEN INC.Alzheimer's Disease. Medicare Reimbursement for Prescription Drugs. Screening and Diagnosis, PET scan coverage and reimbursement and dementia care. 340B Program. PPRV (Pediatric Priority Review Voucher) program. Drug pricing and supply chain issues, rare diseases, gene therapy and value based arrangements. Implementation of Inflation Reduction Act of 2022. Issues related to maternal health. 340B Program.
- 2026-04-20$50KBIOGEN INC.Issues related to Alzheimer's Disease and treatment. Amyotrophic lateral sclerosis (ALS), Lou Gehrigs Disease and treatment. Issues related to the budget and appropriations process Issues related to rare diseases and treatment. Issues related to Mental Health treatment. Issues related to maternal health. Issues related to the budget and appropriations process
- 2026-03-09$50KBIOGEN INC.Issues related to Medicare Part B and Part D Issues related to the pharmaceutical industry
- 2026-01-20$60KBIOGEN INC.Issues related to rare diseases including Alzheimer's disease, Amyotrophic lateral sclerosis (ALS), Lou Gehrig's Disease. Drug pricing and drug development policies. Screening and diagnosis. Patient affordability and access issues, including copay cards, copay accumulators, copay maximizers, coverage issues. Orphan Drug Act. Issues related to the FDA including PDUFA, drug reviews, approval pathways, and clinical trials. Policies related to value based arrangements. Issues related to rare disease and treatment. Drug pricing policy. Issues related to the Medicaid 340B program. Public policy around patients' access and affordability. Alzheimer's disease. Issues related to Medicare Part B and D. Issues related to tax reform. Trade-related public policy around tariffs and intellectual property. Issues relating to drug pricing policy. Pharmacy benefit manager legislation related to patient access to therapies. Intellectual property protections and enforcement. Biopharmaceutical pat
- 2026-01-20$50KBIOGEN INC.Alzheimer's Disease. Medicare Reimbursement for Prescription Drugs. Screening and Diagnosis, PET scan coverage and reimbursement and dementia care. 340B Program. PPRV (Pediatric Priority Review Voucher) program. Drug pricing and supply chain issues, rare diseases, gene therapy and value based arrangements. Implementation of Inflation Reduction Act of 2022. Issues related to maternal health. 340B Program.
- 2026-01-20$50KBIOGEN INC.Issues related to Alzheimer's Disease and treatment. Amyotrophic lateral sclerosis (ALS), Lou Gehrigs Disease and treatment. Issues related to the FY2026 budget and appropriations process Issues related to rare diseases and treatment. Issues related to Mental Health treatment. Issues related to maternal health. Issues related to the FY2026 budget and appropriations process
- 2026-01-19$770KBIOGENDiscussions regarding drug cost and pricing policy and issues related to the Medicaid 340B program, no specific bill. Issues relating to drug cost and pricing policy, no current bill. Pharmacy Benefit Manager legislation related to patient access to therapies. Education and discussions regarding pharmaceutical issues related to supply chain, no specific bill. Issues related to tax reform and tax policy, implementation of Tax Cuts and Jobs Act of 2017 (P.L.115-97), policies related to OECD on the taxation of global income. Trade-related public policy around tariffs and intellectual property, no related bills Discussions regarding drug pricing and supply chain issues; rare diseases; Alzheimer's policy, screening and diagnosis, dementia care; ALS, Lupus and Kidney related policy issues. Issues related to patient affordability and access issues, including copay cards, copay accumulators, copay maximizers, coverage issues, no specific bill numbers. Engage on public policy associated
Congressional Momentum
buy vs. sell pressureNEUTRALScore 0–100: above 50 = net buying pressure, below 50 = net selling. Signal based on last 90 days.
Last 30 Days
No trades
Last 90 Days
No trades
All-Time
–50
13 buys23 total10 sells
$104K buys · $105K sells
Cumulative Net Position (buy vol − sell vol)
-$499
2019-0323 trades plotted2026-02
Trade Activity Timeline
Congressional buys & sells by month · last 14 months w/ activity
19/03
23/01
24/03
24/04
24/08
24/10
24/11
25/01
25/02
25/04
25/05
25/08
26/01
26/02
BuysSellsOtherHigh-volume month
Who Moved First
each row = one member · sorted by earliest disclosed trade3 buyers ·4 sellers
BuySellOtherDot size ∝ trade size · top 5 most-active traders shown
All Disclosed Trades
| Date | Member | Action | Amount | Filing Delay |
|---|---|---|---|---|
| 2026-02-06 | DRo Khanna | SELL | $1K – $15K | 31d |
| 2026-01-30 | DGilbert Cisneros | BUY | $1K – $15K | 17d |
| 2026-01-30 | DGilbert Cisneros | BUY | $1K – $15K | 14d |
| 2026-01-29 | DRo Khanna | BUY | $1K – $15K | 8d |
| 2025-08-26 | DRo Khanna | BUY | $1K – $15K | 14d |
| 2025-05-15 | RRobert Bresnahan | BUY | $1K – $15K | 26d |
| 2025-05-19 | DRo Khanna | SELL | $1K – $15K | 22d |
| 2025-05-15 | RRobert Bresnahan | BUY | $1K – $15K | 25d |
| 2025-04-23 | DRo Khanna | BUY | $1K – $15K | 19d |
| 2025-04-08 | RRobert Bresnahan | SELL | $1K – $15K | 30d |
| 2025-02-25 | RRobert Bresnahan | BUY | $1K – $15K | 30d |
| 2025-02-25 | DRo Khanna | BUY | $1K – $15K | 9d |
| 2025-02-19 | DRo Khanna | SELL | $1K – $15K | 15d |
| 2025-01-17 | DRo Khanna | SELL | $1K – $15K | 20d |
| 2024-11-15 | DRo Khanna | BUY | $1K – $15K | 20d |
| 2024-10-14 | DRo Khanna | BUY | $1K – $15K | 25d |
| 2024-08-05 | DRo Khanna | SELL | $1K – $15K | 32d |
| 2024-08-02 | DRo Khanna | BUY | $1K – $15K | 35d |
| 2024-04-26 | DRo Khanna | BUY | $1K – $15K | 10d |
| 2024-03-25 | DRo Khanna | SELL | $1K – $15K | 11d |
| 2024-03-20 | DRo Khanna | SELL | $1K – $15K | 16d |
| 2019-03-22 | DSheldon Whitehouse | SELL | $1K – $15K | 1620d |
| 2023-01-23 | DShri Thanedar | SELL | $15K – $50K | 7d |