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Robert Bresnahan · BIIB

Robert Bresnahan's BIIB trades

Every Biogen Inc. transaction Robert Bresnahan reported to the House Clerk in 2025 and 2026, from the original periodic transaction reports.
Transactions
3
Buys / sells
2 / 1
Disclosed range
$3K – $45K
Last filed
2025-06-09

BIIB transactions reported by Robert Bresnahan

3 of 3 rows
TypeOwner
Biogen Inc. - Common Stock
BIIB		PurchaseSelf$1,001 - $15,0002025-06-09
#20030482
Biogen Inc. - Common Stock
BIIB		SaleSelf$1,001 - $15,0002025-05-08
#20030291
Biogen Inc. - Common Stock
BIIB		PurchaseSelf$1,001 - $15,0002025-03-27
#20029034

A row is a disclosure, not an execution record: the filing reports a date, a bracket, and the reported owner, but not the price, share count, or reason. Compare the trade date with the filing date to see how long the transaction stayed private.

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Other House members who reported BIIB

Maria Salazar4 BIIB rows

More tickers reported by Robert Bresnahan

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Go deeper

Robert Bresnahan: all disclosed tradesTotals, most-traded tickers, filing lagBIIB: every House filerAll verified rows across membersBiogen Inc. researchAudited financials and what moves the stock

Robert Bresnahan and BIIB — questions

Did Robert Bresnahan buy or sell BIIB?

House Clerk filings for 2025 and 2026 show 2 purchases and 1 sale of Biogen Inc. (BIIB) reported by Robert Bresnahan, between 2025-02-25 and 2025-05-15. Reported owner: Self.

How much BIIB did Robert Bresnahan trade?

Filings disclose brackets, not exact values. Summing the low and high ends of each bracket gives $3K – $45K across 3 transactions. Yield Theory does not estimate share counts, prices, or gains from these ranges.

When was the last BIIB filing by Robert Bresnahan?

The most recent periodic transaction report containing a BIIB row was filed on 2025-06-09. New filings appear in the House Clerk index and are picked up when the dataset is refreshed.

Yield Theory is not affiliated with any elected official or with Biogen Inc.. Rows are parsed from public House Clerk periodic transaction reports; amounts are reported brackets and filings can be amended. This page is educational and is not investment advice.

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Robert Bresnahan BIIB disclosures are delayed, ranged, and often a spouse. Members get the monthly call that treats those rows as one input, then names catalysts, risks, and what would change the view. $15/month or $150/year.

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