ORASURE TECHNOLOGIES INC

Ticker: OSUR CUSIP: 68554V108 Class: Common Stock

BAKER BROS. ADVISORS LP's Holding History (CIK: 0001263508)

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

Q1 2015
Shares 229,397 Value ($000) $1,500 Avg Close $8.31 Range $6.10 - $10.62
Q4 2014
Shares 234,664 Value ($000) $2,379 Avg Close $8.96 Range $6.93 - $10.93
Q3 2014
Shares 234,664 Value ($000) $1,694 Avg Close $8.00 Range $7.06 - $8.94
Q2 2014
Shares 234,664 Value ($000) $2,020 Avg Close $7.01 Range $5.78 - $9.00
Q1 2014
Shares 234,664 Value ($000) $1,870 Avg Close $6.99 Range $5.34 - $8.60
Q4 2013
Shares 243,467 Value ($000) $1,531 Avg Close $6.28 Range $5.64 - $7.25
Q3 2013
Shares 243,467 Value ($000) $1,463 Avg Close $5.01 Range $3.86 - $6.46
Q2 2013
Shares 243,467 Value ($000) $945 Avg Close $4.46 Range $3.75 - $5.45