CERUS CORP

Ticker: CERS CUSIP: 157085101 Class: COM

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

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

Q4 2025

Shares 11,372 Value ($000) $23 Avg Close $1.73 Range $1.38 - $2.26

Q3 2025

Shares 13,083 Value ($000) $21 Avg Close $1.35 Range $1.15 - $1.67

Q2 2025

Shares 13,075 Value ($000) $18 Avg Close $1.33 Range $1.12 - $1.58

Q1 2025

Shares 13,075 Value ($000) $18 Avg Close $1.67 Range $1.35 - $2.24

Q4 2024

Shares 13,075 Value ($000) $20 Avg Close $1.72 Range $1.38 - $2.03

Q3 2024

Shares 13,075 Value ($000) $23 Avg Close $2.10 Range $1.65 - $2.54

Q2 2024

Shares 13,075 Value ($000) $23 Avg Close $1.79 Range $1.61 - $2.26

Q1 2024

Shares 17,842 Value ($000) $34 Avg Close $2.04 Range $1.59 - $2.59

Q4 2023

Shares 29,208 Value ($000) $63 Avg Close $1.65 Range $1.21 - $2.40

Q3 2023

Shares 198,630 Value ($000) $322 Avg Close $2.08 Range $1.45 - $3.08

Q2 2023

Shares 215,266 Value ($000) $530 Avg Close $2.38 Range $1.76 - $2.96

Q1 2023

Shares 220,025 Value ($000) $653 Avg Close $3.01 Range $2.36 - $4.05

Q4 2022

Shares 222,719 Value ($000) $813 Avg Close $3.77 Range $3.25 - $4.25

Q3 2022

Shares 220,330 Value ($000) $793 Avg Close $4.78 Range $3.39 - $5.95

Q2 2022

Shares 222,830 Value ($000) $1,179 Avg Close $4.99 Range $4.35 - $5.74

Q1 2022

Shares 218,033 Value ($000) $1,197 Avg Close $5.54 Range $4.67 - $7.01

Q4 2021

Shares 236,282 Value ($000) $1,609 Avg Close $6.73 Range $5.90 - $8.06

Q3 2021

Shares 230,723 Value ($000) $1,405 Avg Close $5.83 Range $4.67 - $6.70

Q2 2021

Shares 231,849 Value ($000) $1,370 Avg Close $5.86 Range $5.25 - $6.49

Q1 2021

Shares 247,588 Value ($000) $1,488 Avg Close $6.80 Range $5.46 - $8.41

Q4 2020

Shares 248,482 Value ($000) $1,719 Avg Close $6.56 Range $5.15 - $8.87

Q3 2020

Shares 248,482 Value ($000) $1,555 Avg Close $6.64 Range $5.59 - $7.94

Q2 2020

Shares 244,305 Value ($000) $1,612 Avg Close $5.73 Range $4.36 - $7.17

Q1 2020

Shares 238,631 Value ($000) $1,110 Avg Close $4.53 Range $2.71 - $5.68

Q4 2019

Shares 216,083 Value ($000) $912 Avg Close $4.31 Range $3.70 - $5.18

Q3 2019

Shares 216,083 Value ($000) $1,114 Avg Close $5.36 Range $4.78 - $6.15

Q2 2019

Shares 209,720 Value ($000) $1,179 Avg Close $5.53 Range $4.49 - $6.64

Q1 2019

Shares 206,062 Value ($000) $1,284 Avg Close $6.07 Range $4.93 - $6.88

Q4 2018

Shares 214,475 Value ($000) $1,087 Avg Close $5.80 Range $4.71 - $7.27

Q3 2018

Shares 203,047 Value ($000) $1,464 Avg Close $7.27 Range $6.58 - $8.05

Q2 2018

Shares 198,157 Value ($000) $1,322 Avg Close $6.13 Range $5.11 - $7.31

Q1 2018

Shares 193,666 Value ($000) $1,061 Avg Close $4.55 Range $3.38 - $5.85

Q4 2017

Shares 178,503 Value ($000) $603 Avg Close $3.39 Range $2.74 - $4.02

Q3 2017

Shares 163,498 Value ($000) $446 Avg Close $2.45 Range $2.10 - $2.82

Q2 2017

Shares 182,746 Value ($000) $459 Avg Close $3.20 Range $1.93 - $4.70

Q1 2017

Shares 199,446 Value ($000) $888 Avg Close $4.24 Range $3.79 - $4.69

Q4 2016

Shares 208,846 Value ($000) $908 Avg Close $5.20 Range $4.17 - $6.34

Q3 2016

Shares 214,446 Value ($000) $1,332 Avg Close $6.55 Range $5.79 - $7.64

Q2 2016

Shares 211,846 Value ($000) $1,322 Avg Close $5.95 Range $4.90 - $6.89

Q1 2016

Shares 202,046 Value ($000) $1,198 Avg Close $5.54 Range $4.81 - $6.66

Q4 2015

Shares 176,709 Value ($000) $1,117 Avg Close $5.32 Range $4.27 - $6.60

Q3 2015

Shares 173,583 Value ($000) $788 Avg Close $5.18 Range $4.29 - $5.87

Q2 2015

Shares 174,183 Value ($000) $904 Avg Close $4.74 Range $3.82 - $5.70

Q1 2015

Shares 173,732 Value ($000) $724 Avg Close $5.12 Range $3.95 - $7.03

Q4 2014

Shares 145,632 Value ($000) $909 Avg Close $4.54 Range $3.60 - $6.93

Q3 2014

Shares 133,860 Value ($000) $537 Avg Close $3.85 Range $3.48 - $4.36

Q2 2014

Shares 132,400 Value ($000) $549 Avg Close $4.28 Range $3.74 - $5.19

Q1 2014

Shares 126,200 Value ($000) $606 Avg Close $6.43 Range $4.76 - $8.00

Q4 2013

Shares 126,200 Value ($000) $814 Avg Close $6.28 Range $5.61 - $7.13

Q3 2013

Shares 125,500 Value ($000) $842 Avg Close $5.43 Range $4.34 - $6.77

Q2 2013

Shares 121,485 Value ($000) $537 Avg Close $4.84 Range $4.16 - $5.58

Q1 2013

Shares 112,315 Value ($000) $496 Avg Close $3.50 Range $2.90 - $4.55

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,372	$23	$1.73	$1.38 - $2.26
Q3 2025	13,083	$21	$1.35	$1.15 - $1.67
Q2 2025	13,075	$18	$1.33	$1.12 - $1.58
Q1 2025	13,075	$18	$1.67	$1.35 - $2.24
Q4 2024	13,075	$20	$1.72	$1.38 - $2.03
Q3 2024	13,075	$23	$2.10	$1.65 - $2.54
Q2 2024	13,075	$23	$1.79	$1.61 - $2.26
Q1 2024	17,842	$34	$2.04	$1.59 - $2.59
Q4 2023	29,208	$63	$1.65	$1.21 - $2.40
Q3 2023	198,630	$322	$2.08	$1.45 - $3.08
Q2 2023	215,266	$530	$2.38	$1.76 - $2.96
Q1 2023	220,025	$653	$3.01	$2.36 - $4.05
Q4 2022	222,719	$813	$3.77	$3.25 - $4.25
Q3 2022	220,330	$793	$4.78	$3.39 - $5.95
Q2 2022	222,830	$1,179	$4.99	$4.35 - $5.74
Q1 2022	218,033	$1,197	$5.54	$4.67 - $7.01
Q4 2021	236,282	$1,609	$6.73	$5.90 - $8.06
Q3 2021	230,723	$1,405	$5.83	$4.67 - $6.70
Q2 2021	231,849	$1,370	$5.86	$5.25 - $6.49
Q1 2021	247,588	$1,488	$6.80	$5.46 - $8.41
Q4 2020	248,482	$1,719	$6.56	$5.15 - $8.87
Q3 2020	248,482	$1,555	$6.64	$5.59 - $7.94
Q2 2020	244,305	$1,612	$5.73	$4.36 - $7.17
Q1 2020	238,631	$1,110	$4.53	$2.71 - $5.68
Q4 2019	216,083	$912	$4.31	$3.70 - $5.18
Q3 2019	216,083	$1,114	$5.36	$4.78 - $6.15
Q2 2019	209,720	$1,179	$5.53	$4.49 - $6.64
Q1 2019	206,062	$1,284	$6.07	$4.93 - $6.88
Q4 2018	214,475	$1,087	$5.80	$4.71 - $7.27
Q3 2018	203,047	$1,464	$7.27	$6.58 - $8.05
Q2 2018	198,157	$1,322	$6.13	$5.11 - $7.31
Q1 2018	193,666	$1,061	$4.55	$3.38 - $5.85
Q4 2017	178,503	$603	$3.39	$2.74 - $4.02
Q3 2017	163,498	$446	$2.45	$2.10 - $2.82
Q2 2017	182,746	$459	$3.20	$1.93 - $4.70
Q1 2017	199,446	$888	$4.24	$3.79 - $4.69
Q4 2016	208,846	$908	$5.20	$4.17 - $6.34
Q3 2016	214,446	$1,332	$6.55	$5.79 - $7.64
Q2 2016	211,846	$1,322	$5.95	$4.90 - $6.89
Q1 2016	202,046	$1,198	$5.54	$4.81 - $6.66
Q4 2015	176,709	$1,117	$5.32	$4.27 - $6.60
Q3 2015	173,583	$788	$5.18	$4.29 - $5.87
Q2 2015	174,183	$904	$4.74	$3.82 - $5.70
Q1 2015	173,732	$724	$5.12	$3.95 - $7.03
Q4 2014	145,632	$909	$4.54	$3.60 - $6.93
Q3 2014	133,860	$537	$3.85	$3.48 - $4.36
Q2 2014	132,400	$549	$4.28	$3.74 - $5.19
Q1 2014	126,200	$606	$6.43	$4.76 - $8.00
Q4 2013	126,200	$814	$6.28	$5.61 - $7.13
Q3 2013	125,500	$842	$5.43	$4.34 - $6.77
Q2 2013	121,485	$537	$4.84	$4.16 - $5.58
Q1 2013	112,315	$496	$3.50	$2.90 - $4.55