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BIIB Trade — Alan Armstrong

Biogen Inc. - Common Stock

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Ticker
BIIB
Politician Name
Alan Armstrong
Transaction Type
Purchase
Trade Date
Mar 27, 2026
Found Date
Sep 11, 20266:17 p.m. EDT
Amount disclosed
$1,001 - $15,000
Ownership
Self

One trade combines the same politician, equity, date and transaction type across accounts. Original amounts remain below; annual schedules may repeat transaction reports.

Source disclosures

Alan Armstrong — Periodic Transaction Report for 07/21/2026
U.S. Senate · Row 653 · Ptr · Filed Jul 21, 2026
self · Purchase · $1,001 - $15,000 · Found Sep 11, 2026 6:17 p.m. EDT

Ticker price change

Since purchase

+18.12%

$183.84 on Mar 27, 2026 → $217.15 on Sep 11, 2026.

Since found date

0.00%

$217.15 on Sep 11, 2026 → $217.15 on Sep 11, 2026.

Price changes compare the closing price on the first trading day on or after each date with the latest completed session in our stored Tradier data. They do not measure the filer's returns or add cash dividends. Data dates are shown for each comparison.

Other current holders

Current holdings cannot be confirmed from transaction disclosures. Other reported buyers of this security are shown below; they may have since sold, and spouse or dependent purchases do not establish personal ownership.

Disclosure coverage and limitations

U.S. House · Coverage incomplete
House member PTRs in official annual filing indexes; ambiguous member identities remain unverified.

U.S. Senate · Coverage incomplete
Senator PTRs from the official search, including disclosed ownership categories. HTML reports are supported; paper reports are retained for parser review. Historical coverage remains unverified.

White House public filers · Coverage incomplete
Published 278-T links only. Coverage of President, Vice President and all public-filing staff is not established. Request-only records remain a gap.