ORASURE TECHNOLOGIES INC

Ticker: OSUR CUSIP: 68554V108 Class: Common Stock

GILDER GAGNON HOWE & CO LLC's Holding History (CIK: 0000902464)

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

Q1 2018

Shares 27,912 Value ($000) $471 Avg Close $18.96 Range $16.15 - $22.22

Q4 2017

Shares 26,463 Value ($000) $499 Avg Close $18.11 Range $12.86 - $23.01

Q3 2017

Shares 160,191 Value ($000) $3,604 Avg Close $20.12 Range $17.06 - $22.79

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	27,912	$471	$18.96	$16.15 - $22.22
Q4 2017	26,463	$499	$18.11	$12.86 - $23.01
Q3 2017	160,191	$3,604	$20.12	$17.06 - $22.79