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Robert P. Bresnahan Jr bought Biogen (BIIB) on May 15, 2025

Data as of Oct 16

▲ BUY$1K–$15KRobert P. Bresnahan Jr Rep · House · PABIIB Biogen Inc.
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Traded
May 15, 2025
Disclosed
May 15, 2025
Filed
The same day

The STOCK Act allows 45 days to report a trade.

Official filing (House Clerk) ↗

The price around the disclosure

Robert P. Bresnahan Jr bought Biogen (BIIB) on May 15, 2025TRADEDDISCLOSED
BIIBSimilar stocks (XLV — its sector index fund), rebased to BIIB's price on the disclosure day
BIIB since disclosure
+88.1%
Similar stocks (XLV) since disclosure
+35.5%
XLV — its sector index fund

Change in closing price from May 15, 2025 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

Other trades in the same filing

  1. ▲ BUYRobert P. Bresnahan Jr Rep · House · PAABBV AbbVie Inc.$1K–$15Kdisclosed May 15, 2025 · filed the same day
  2. ▼ SELLRobert P. Bresnahan Jr Rep · House · PAAEE Ameren Corp$1K–$15Kdisclosed May 15, 2025 · filed the same day
  3. ▲ BUYRobert P. Bresnahan Jr Rep · House · PAAPD$1K–$15Kdisclosed May 15, 2025 · filed the same day
  4. ▼ SELLRobert P. Bresnahan Jr Rep · House · PAARE Alexandria Real Estate Equities, Inc.$1K–$15Kdisclosed May 15, 2025 · filed the same day
  5. ▲ BUYRobert P. Bresnahan Jr Rep · House · PABAX$1K–$15Kdisclosed May 15, 2025 · filed the same day
  6. ▲ BUYRobert P. Bresnahan Jr Rep · House · PABDX Becton Dickinson & Co$1K–$15Kdisclosed May 15, 2025 · filed the same day
  7. ▼ SELLRobert P. Bresnahan Jr Rep · House · PACNC Centene Corp$1K–$15Kdisclosed May 15, 2025 · filed the same day
  8. ▼ SELLRobert P. Bresnahan Jr Rep · House · PACOO Cooper Companies, Inc.$1K–$15Kdisclosed May 15, 2025 · filed the same day
  9. ▼ SELLRobert P. Bresnahan Jr Rep · House · PADD$1K–$15Kdisclosed May 15, 2025 · filed the same day
  10. ▼ SELLRobert P. Bresnahan Jr Rep · House · PADOC$1K–$15Kdisclosed May 15, 2025 · filed the same day
  11. ▲ BUYRobert P. Bresnahan Jr Rep · House · PADOW$1K–$15Kdisclosed May 15, 2025 · filed the same day
  12. ▲ BUYRobert P. Bresnahan Jr Rep · House · PADXCM Dexcom Inc$1K–$15Kdisclosed May 15, 2025 · filed the same day
  13. ▼ SELLRobert P. Bresnahan Jr Rep · House · PAEA Electronic Arts Inc.$1K–$15Kdisclosed May 15, 2025 · filed the same day
  14. ▼ SELLRobert P. Bresnahan Jr Rep · House · PAED Consolidated Edison Inc$1K–$15Kdisclosed May 15, 2025 · filed the same day
  15. ▼ SELLRobert P. Bresnahan Jr Rep · House · PAEMN Eastman Chemical Co$1K–$15Kdisclosed May 15, 2025 · filed the same day

See all of Robert P. Bresnahan Jr's trades →See every trade on BIIB →