NEOGEN CORP

Ticker: NEOG CUSIP: 640491106 Class: Common Stock

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

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

Q4 2025

Shares 197,419 Value ($000) $1,380 Avg Close $6.29 Range $5.37 - $7.53

Q3 2025

Shares 210,737 Value ($000) $1,203 Avg Close $5.34 Range $4.56 - $5.92

Q2 2025

Shares 191,084 Value ($000) $913 Avg Close $5.74 Range $3.87 - $8.69

Q1 2025

Shares 188,918 Value ($000) $1,638 Avg Close $10.48 Range $8.31 - $13.41

Q4 2024

Shares 193,426 Value ($000) $2,348 Avg Close $13.99 Range $11.51 - $16.79

Q3 2024

Shares 195,555 Value ($000) $3,287 Avg Close $16.46 Range $14.62 - $18.58

Q2 2024

Shares 201,671 Value ($000) $3,152 Avg Close $13.90 Range $11.46 - $17.29

Q1 2024

Shares 206,890 Value ($000) $3,265 Avg Close $16.74 Range $14.76 - $20.72

Q4 2023

Shares 219,005 Value ($000) $4,404 Avg Close $16.93 Range $14.44 - $20.89

Q3 2023

Shares 229,744 Value ($000) $4,259 Avg Close $21.78 Range $18.13 - $24.10

Q2 2023

Shares 253,260 Value ($000) $5,508 Avg Close $18.08 Range $15.86 - $22.18

Q1 2023

Shares 270,578 Value ($000) $5,011 Avg Close $18.79 Range $15.09 - $21.61

Q4 2022

Shares 274,654 Value ($000) $4,183 Avg Close $14.24 Range $10.49 - $16.87

Q3 2022

Shares 274,547 Value ($000) $3,835 Avg Close $20.14 Range $13.92 - $24.67

Q2 2022

Shares 138,063 Value ($000) $3,326 Avg Close $26.83 Range $22.12 - $31.83

Q1 2022

Shares 137,436 Value ($000) $4,239 Avg Close $35.95 Range $29.71 - $45.60

Q4 2021

Shares 149,568 Value ($000) $6,792 Avg Close $42.79 Range $39.02 - $47.80

Q3 2021

Shares 145,922 Value ($000) $6,337 Avg Close $43.50 Range $39.90 - $46.62

Q2 2021

Shares 148,450 Value ($000) $6,835 Avg Close $46.21 Range $43.42 - $48.85

Q1 2021

Shares 79,580 Value ($000) $7,074 Avg Close $41.93 Range $38.62 - $44.81

Q4 2020

Shares 79,837 Value ($000) $6,331 Avg Close $37.17 Range $33.11 - $41.34

Q3 2020

Shares 79,795 Value ($000) $6,244 Avg Close $38.27 Range $35.95 - $41.03

Q2 2020

Shares 79,371 Value ($000) $6,159 Avg Close $33.80 Range $29.85 - $38.95

Q1 2020

Shares 78,811 Value ($000) $5,280 Avg Close $32.81 Range $24.45 - $36.52

Q4 2019

Shares 78,314 Value ($000) $5,111 Avg Close $32.88 Range $31.18 - $35.59

Q3 2019

Shares 79,896 Value ($000) $5,442 Avg Close $34.61 Range $29.95 - $39.91

Q2 2019

Shares 78,941 Value ($000) $4,903 Avg Close $29.46 Range $27.23 - $31.95

Q1 2019

Shares 77,000 Value ($000) $4,419 Avg Close $30.24 Range $25.30 - $32.58

Q4 2018

Shares 78,767 Value ($000) $4,490 Avg Close $31.28 Range $26.05 - $37.13

Q3 2018

Shares 76,937 Value ($000) $5,503 Avg Close $42.62 Range $34.91 - $48.69

Q2 2018

Shares 76,964 Value ($000) $6,172 Avg Close $36.88 Range $32.34 - $42.23

Q1 2018

Shares 76,407 Value ($000) $5,119 Avg Close $30.13 Range $27.05 - $33.90

Q4 2017

Shares 58,511 Value ($000) $4,810 Avg Close $30.31 Range $27.41 - $32.22

Q3 2017

Shares 59,417 Value ($000) $4,602 Avg Close $25.71 Range $23.84 - $29.12

Q2 2017

Shares 65,777 Value ($000) $4,546 Avg Close $23.95 Range $22.32 - $26.10

Q1 2017

Shares 71,799 Value ($000) $4,706 Avg Close $24.49 Range $23.53 - $25.87

Q4 2016

Shares 75,099 Value ($000) $4,957 Avg Close $22.21 Range $18.95 - $25.92

Q3 2016

Shares 77,199 Value ($000) $4,319 Avg Close $21.40 Range $19.75 - $22.97

Q2 2016

Shares 76,499 Value ($000) $4,303 Avg Close $18.65 Range $17.29 - $21.13

Q1 2016

Shares 78,738 Value ($000) $3,964 Avg Close $19.05 Range $16.43 - $21.10

Q4 2015

Shares 68,596 Value ($000) $3,877 Avg Close $20.40 Range $16.13 - $22.65

Q3 2015

Shares 67,552 Value ($000) $3,039 Avg Close $19.69 Range $16.47 - $23.52

Q2 2015

Shares 67,652 Value ($000) $3,209 Avg Close $17.33 Range $15.57 - $18.84

Q1 2015

Shares 67,160 Value ($000) $3,138 Avg Close $18.31 Range $16.98 - $19.50

Q4 2014

Shares 68,360 Value ($000) $3,390 Avg Close $16.45 Range $14.53 - $19.06

Q3 2014

Shares 67,671 Value ($000) $2,673 Avg Close $15.78 Range $13.66 - $17.11

Q2 2014

Shares 66,987 Value ($000) $2,711 Avg Close $14.86 Range $13.32 - $17.29

Q1 2014

Shares 65,187 Value ($000) $2,930 Avg Close $16.34 Range $14.47 - $18.73

Q4 2013

Shares 64,987 Value ($000) $2,970 Avg Close $17.39 Range $14.81 - $19.21

Q3 2013

Shares 43,058 Value ($000) $2,614 Avg Close $14.30 Range $13.28 - $15.37

Q2 2013

Shares 41,686 Value ($000) $2,316 Avg Close $13.20 Range $12.12 - $14.29

Q1 2013

Shares 40,900 Value ($000) $2,027 Avg Close $11.78 Range $11.23 - $12.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	197,419	$1,380	$6.29	$5.37 - $7.53
Q3 2025	210,737	$1,203	$5.34	$4.56 - $5.92
Q2 2025	191,084	$913	$5.74	$3.87 - $8.69
Q1 2025	188,918	$1,638	$10.48	$8.31 - $13.41
Q4 2024	193,426	$2,348	$13.99	$11.51 - $16.79
Q3 2024	195,555	$3,287	$16.46	$14.62 - $18.58
Q2 2024	201,671	$3,152	$13.90	$11.46 - $17.29
Q1 2024	206,890	$3,265	$16.74	$14.76 - $20.72
Q4 2023	219,005	$4,404	$16.93	$14.44 - $20.89
Q3 2023	229,744	$4,259	$21.78	$18.13 - $24.10
Q2 2023	253,260	$5,508	$18.08	$15.86 - $22.18
Q1 2023	270,578	$5,011	$18.79	$15.09 - $21.61
Q4 2022	274,654	$4,183	$14.24	$10.49 - $16.87
Q3 2022	274,547	$3,835	$20.14	$13.92 - $24.67
Q2 2022	138,063	$3,326	$26.83	$22.12 - $31.83
Q1 2022	137,436	$4,239	$35.95	$29.71 - $45.60
Q4 2021	149,568	$6,792	$42.79	$39.02 - $47.80
Q3 2021	145,922	$6,337	$43.50	$39.90 - $46.62
Q2 2021	148,450	$6,835	$46.21	$43.42 - $48.85
Q1 2021	79,580	$7,074	$41.93	$38.62 - $44.81
Q4 2020	79,837	$6,331	$37.17	$33.11 - $41.34
Q3 2020	79,795	$6,244	$38.27	$35.95 - $41.03
Q2 2020	79,371	$6,159	$33.80	$29.85 - $38.95
Q1 2020	78,811	$5,280	$32.81	$24.45 - $36.52
Q4 2019	78,314	$5,111	$32.88	$31.18 - $35.59
Q3 2019	79,896	$5,442	$34.61	$29.95 - $39.91
Q2 2019	78,941	$4,903	$29.46	$27.23 - $31.95
Q1 2019	77,000	$4,419	$30.24	$25.30 - $32.58
Q4 2018	78,767	$4,490	$31.28	$26.05 - $37.13
Q3 2018	76,937	$5,503	$42.62	$34.91 - $48.69
Q2 2018	76,964	$6,172	$36.88	$32.34 - $42.23
Q1 2018	76,407	$5,119	$30.13	$27.05 - $33.90
Q4 2017	58,511	$4,810	$30.31	$27.41 - $32.22
Q3 2017	59,417	$4,602	$25.71	$23.84 - $29.12
Q2 2017	65,777	$4,546	$23.95	$22.32 - $26.10
Q1 2017	71,799	$4,706	$24.49	$23.53 - $25.87
Q4 2016	75,099	$4,957	$22.21	$18.95 - $25.92
Q3 2016	77,199	$4,319	$21.40	$19.75 - $22.97
Q2 2016	76,499	$4,303	$18.65	$17.29 - $21.13
Q1 2016	78,738	$3,964	$19.05	$16.43 - $21.10
Q4 2015	68,596	$3,877	$20.40	$16.13 - $22.65
Q3 2015	67,552	$3,039	$19.69	$16.47 - $23.52
Q2 2015	67,652	$3,209	$17.33	$15.57 - $18.84
Q1 2015	67,160	$3,138	$18.31	$16.98 - $19.50
Q4 2014	68,360	$3,390	$16.45	$14.53 - $19.06
Q3 2014	67,671	$2,673	$15.78	$13.66 - $17.11
Q2 2014	66,987	$2,711	$14.86	$13.32 - $17.29
Q1 2014	65,187	$2,930	$16.34	$14.47 - $18.73
Q4 2013	64,987	$2,970	$17.39	$14.81 - $19.21
Q3 2013	43,058	$2,614	$14.30	$13.28 - $15.37
Q2 2013	41,686	$2,316	$13.20	$12.12 - $14.29
Q1 2013	40,900	$2,027	$11.78	$11.23 - $12.48