ORASURE TECHNOLOGIES INC

Ticker: OSUR CUSIP: 68554V108 Class: Common Stock

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025

Shares 4,362 Value ($000) $11 Avg Close $2.63 Range $2.08 - $3.29

Q3 2025

Shares 5,182 Value ($000) $17 Avg Close $3.14 Range $2.66 - $3.82

Q2 2025

Shares 5,178 Value ($000) $16 Avg Close $2.88 Range $2.36 - $3.38

Q1 2025

Shares 5,178 Value ($000) $17 Avg Close $3.68 Range $2.69 - $4.22

Q4 2024

Shares 5,178 Value ($000) $19 Avg Close $3.98 Range $3.52 - $4.60

Q3 2024

Shares 5,178 Value ($000) $22 Avg Close $4.30 Range $3.92 - $4.92

Q2 2024

Shares 72,074 Value ($000) $307 Avg Close $5.08 Range $4.12 - $6.35

Q1 2024

Shares 73,315 Value ($000) $451 Avg Close $7.26 Range $6.08 - $8.45

Q4 2023

Shares 77,218 Value ($000) $633 Avg Close $6.55 Range $5.04 - $8.43

Q3 2023

Shares 80,606 Value ($000) $478 Avg Close $5.61 Range $4.38 - $6.99

Q2 2023

Shares 91,592 Value ($000) $459 Avg Close $6.00 Range $4.81 - $7.82

Q1 2023

Shares 87,296 Value ($000) $528 Avg Close $5.65 Range $4.63 - $6.62

Q4 2022

Shares 88,588 Value ($000) $427 Avg Close $4.58 Range $3.56 - $5.46

Q3 2022

Shares 87,561 Value ($000) $332 Avg Close $3.61 Range $2.65 - $4.81

Q2 2022

Shares 91,800 Value ($000) $249 Avg Close $4.97 Range $2.62 - $7.22

Q1 2022

Shares 91,644 Value ($000) $621 Avg Close $7.99 Range $6.51 - $9.42

Q4 2021

Shares 99,805 Value ($000) $867 Avg Close $9.88 Range $8.25 - $11.59

Q3 2021

Shares 97,471 Value ($000) $1,102 Avg Close $10.98 Range $9.44 - $13.57

Q2 2021

Shares 98,633 Value ($000) $1,000 Avg Close $9.73 Range $8.58 - $11.98

Q1 2021

Shares 107,194 Value ($000) $1,251 Avg Close $12.25 Range $9.50 - $15.94

Q4 2020

Shares 107,581 Value ($000) $1,139 Avg Close $13.12 Range $10.23 - $17.79

Q3 2020

Shares 107,581 Value ($000) $1,309 Avg Close $13.67 Range $9.58 - $19.75

Q2 2020

Shares 94,129 Value ($000) $1,095 Avg Close $12.99 Range $9.46 - $18.27

Q1 2020

Shares 92,899 Value ($000) $1,000 Avg Close $7.15 Range $5.23 - $10.92

Q4 2019

Shares 95,845 Value ($000) $770 Avg Close $8.08 Range $7.08 - $9.33

Q3 2019

Shares 95,845 Value ($000) $716 Avg Close $7.82 Range $6.35 - $9.49

Q2 2019

Shares 94,701 Value ($000) $879 Avg Close $9.20 Range $8.01 - $11.25

Q1 2019

Shares 92,142 Value ($000) $1,027 Avg Close $11.59 Range $9.15 - $13.25

Q4 2018

Shares 94,257 Value ($000) $1,101 Avg Close $13.29 Range $10.27 - $15.64

Q3 2018

Shares 92,068 Value ($000) $1,422 Avg Close $16.39 Range $14.41 - $17.76

Q2 2018

Shares 92,100 Value ($000) $1,517 Avg Close $16.89 Range $14.39 - $18.45

Q1 2018

Shares 86,196 Value ($000) $1,456 Avg Close $18.96 Range $16.15 - $22.22

Q4 2017

Shares 89,217 Value ($000) $1,683 Avg Close $18.11 Range $12.86 - $23.01

Q3 2017

Shares 90,631 Value ($000) $2,039 Avg Close $20.12 Range $17.06 - $22.79

Q2 2017

Shares 100,262 Value ($000) $1,731 Avg Close $14.40 Range $12.03 - $17.96

Q1 2017

Shares 106,762 Value ($000) $1,380 Avg Close $10.34 Range $8.39 - $12.97

Q4 2016

Shares 111,762 Value ($000) $981 Avg Close $8.26 Range $7.09 - $9.53

Q3 2016

Shares 114,462 Value ($000) $912 Avg Close $7.42 Range $5.57 - $9.05

Q2 2016

Shares 113,662 Value ($000) $672 Avg Close $7.11 Range $5.81 - $7.99

Q1 2016

Shares 119,466 Value ($000) $864 Avg Close $6.36 Range $5.09 - $7.39

Q4 2015

Shares 104,538 Value ($000) $673 Avg Close $5.71 Range $4.40 - $6.99

Q3 2015

Shares 102,738 Value ($000) $456 Avg Close $5.22 Range $4.39 - $5.95

Q2 2015

Shares 103,038 Value ($000) $555 Avg Close $6.18 Range $4.42 - $7.64

Q1 2015

Shares 101,970 Value ($000) $667 Avg Close $8.31 Range $6.10 - $10.62

Q4 2014

Shares 103,670 Value ($000) $1,051 Avg Close $8.96 Range $6.93 - $10.93

Q3 2014

Shares 103,229 Value ($000) $745 Avg Close $8.00 Range $7.06 - $8.94

Q2 2014

Shares 101,944 Value ($000) $878 Avg Close $7.01 Range $5.78 - $9.00

Q1 2014

Shares 100,944 Value ($000) $805 Avg Close $6.99 Range $5.34 - $8.60

Q4 2013

Shares 100,344 Value ($000) $631 Avg Close $6.28 Range $5.64 - $7.25

Q3 2013

Shares 99,944 Value ($000) $601 Avg Close $5.01 Range $3.86 - $6.46

Q2 2013

Shares 96,765 Value ($000) $375 Avg Close $4.46 Range $3.75 - $5.45

Q1 2013

Shares 94,009 Value ($000) $508 Avg Close $6.28 Range $5.25 - $7.52

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,362	$11	$2.63	$2.08 - $3.29
Q3 2025	5,182	$17	$3.14	$2.66 - $3.82
Q2 2025	5,178	$16	$2.88	$2.36 - $3.38
Q1 2025	5,178	$17	$3.68	$2.69 - $4.22
Q4 2024	5,178	$19	$3.98	$3.52 - $4.60
Q3 2024	5,178	$22	$4.30	$3.92 - $4.92
Q2 2024	72,074	$307	$5.08	$4.12 - $6.35
Q1 2024	73,315	$451	$7.26	$6.08 - $8.45
Q4 2023	77,218	$633	$6.55	$5.04 - $8.43
Q3 2023	80,606	$478	$5.61	$4.38 - $6.99
Q2 2023	91,592	$459	$6.00	$4.81 - $7.82
Q1 2023	87,296	$528	$5.65	$4.63 - $6.62
Q4 2022	88,588	$427	$4.58	$3.56 - $5.46
Q3 2022	87,561	$332	$3.61	$2.65 - $4.81
Q2 2022	91,800	$249	$4.97	$2.62 - $7.22
Q1 2022	91,644	$621	$7.99	$6.51 - $9.42
Q4 2021	99,805	$867	$9.88	$8.25 - $11.59
Q3 2021	97,471	$1,102	$10.98	$9.44 - $13.57
Q2 2021	98,633	$1,000	$9.73	$8.58 - $11.98
Q1 2021	107,194	$1,251	$12.25	$9.50 - $15.94
Q4 2020	107,581	$1,139	$13.12	$10.23 - $17.79
Q3 2020	107,581	$1,309	$13.67	$9.58 - $19.75
Q2 2020	94,129	$1,095	$12.99	$9.46 - $18.27
Q1 2020	92,899	$1,000	$7.15	$5.23 - $10.92
Q4 2019	95,845	$770	$8.08	$7.08 - $9.33
Q3 2019	95,845	$716	$7.82	$6.35 - $9.49
Q2 2019	94,701	$879	$9.20	$8.01 - $11.25
Q1 2019	92,142	$1,027	$11.59	$9.15 - $13.25
Q4 2018	94,257	$1,101	$13.29	$10.27 - $15.64
Q3 2018	92,068	$1,422	$16.39	$14.41 - $17.76
Q2 2018	92,100	$1,517	$16.89	$14.39 - $18.45
Q1 2018	86,196	$1,456	$18.96	$16.15 - $22.22
Q4 2017	89,217	$1,683	$18.11	$12.86 - $23.01
Q3 2017	90,631	$2,039	$20.12	$17.06 - $22.79
Q2 2017	100,262	$1,731	$14.40	$12.03 - $17.96
Q1 2017	106,762	$1,380	$10.34	$8.39 - $12.97
Q4 2016	111,762	$981	$8.26	$7.09 - $9.53
Q3 2016	114,462	$912	$7.42	$5.57 - $9.05
Q2 2016	113,662	$672	$7.11	$5.81 - $7.99
Q1 2016	119,466	$864	$6.36	$5.09 - $7.39
Q4 2015	104,538	$673	$5.71	$4.40 - $6.99
Q3 2015	102,738	$456	$5.22	$4.39 - $5.95
Q2 2015	103,038	$555	$6.18	$4.42 - $7.64
Q1 2015	101,970	$667	$8.31	$6.10 - $10.62
Q4 2014	103,670	$1,051	$8.96	$6.93 - $10.93
Q3 2014	103,229	$745	$8.00	$7.06 - $8.94
Q2 2014	101,944	$878	$7.01	$5.78 - $9.00
Q1 2014	100,944	$805	$6.99	$5.34 - $8.60
Q4 2013	100,344	$631	$6.28	$5.64 - $7.25
Q3 2013	99,944	$601	$5.01	$3.86 - $6.46
Q2 2013	96,765	$375	$4.46	$3.75 - $5.45
Q1 2013	94,009	$508	$6.28	$5.25 - $7.52