BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

DUDLEY & SHANLEY, INC.'s Holding History (CIK: 0000883511)

Note: Option positions (PUT/CALL) are excluded.

Q2 2018
Shares 2,000 Value ($000) $580 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 2,000 Value ($000) $548 Avg Close $310.41 Range $259.76 - $370.57