OLIN CORP

Ticker: OLN CUSIP: 680665205 Class: COM PAR $1

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

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

Q4 2025

Shares 108,477 Value ($000) $2,260 Avg Close $21.44 Range $18.25 - $26.01

Q3 2025

Shares 108,579 Value ($000) $2,713 Avg Close $21.88 Range $17.75 - $26.84

Q2 2025

Shares 108,573 Value ($000) $2,181 Avg Close $20.30 Range $17.18 - $24.06

Q1 2025

Shares 108,269 Value ($000) $2,624 Avg Close $27.21 Range $22.18 - $33.55

Q4 2024

Shares 109,990 Value ($000) $3,718 Avg Close $40.23 Range $31.76 - $46.58

Q3 2024

Shares 114,696 Value ($000) $5,503 Avg Close $42.66 Range $37.92 - $48.52

Q2 2024

Shares 118,156 Value ($000) $5,571 Avg Close $51.06 Range $44.84 - $57.73

Q1 2024

Shares 123,629 Value ($000) $7,269 Avg Close $50.97 Range $47.08 - $56.36

Q4 2023

Shares 127,800 Value ($000) $6,895 Avg Close $45.36 Range $39.41 - $52.72

Q3 2023

Shares 138,228 Value ($000) $6,909 Avg Close $50.92 Range $42.56 - $56.64

Q2 2023

Shares 153,551 Value ($000) $7,891 Avg Close $50.00 Range $44.05 - $55.14

Q1 2023

Shares 169,501 Value ($000) $9,407 Avg Close $53.58 Range $46.10 - $60.49

Q4 2022

Shares 180,135 Value ($000) $9,536 Avg Close $49.56 Range $40.33 - $57.70

Q3 2022

Shares 186,694 Value ($000) $8,005 Avg Close $47.14 Range $38.51 - $54.86

Q2 2022

Shares 196,342 Value ($000) $9,087 Avg Close $53.56 Range $41.54 - $62.43

Q1 2022

Shares 193,612 Value ($000) $10,122 Avg Close $47.19 Range $40.94 - $53.48

Q4 2021

Shares 210,784 Value ($000) $12,124 Avg Close $51.61 Range $43.56 - $59.69

Q3 2021

Shares 251,439 Value ($000) $12,132 Avg Close $42.76 Range $36.50 - $47.78

Q2 2021

Shares 246,837 Value ($000) $11,419 Avg Close $41.12 Range $34.73 - $46.69

Q1 2021

Shares 249,821 Value ($000) $9,486 Avg Close $27.50 Range $20.59 - $38.50

Q4 2020

Shares 250,455 Value ($000) $6,151 Avg Close $18.35 Range $10.88 - $23.92

Q3 2020

Shares 258,025 Value ($000) $3,194 Avg Close $10.29 Range $8.67 - $12.24

Q2 2020

Shares 251,273 Value ($000) $2,887 Avg Close $11.12 Range $9.03 - $14.33

Q1 2020

Shares 271,293 Value ($000) $3,166 Avg Close $13.02 Range $7.58 - $16.79

Q4 2019

Shares 254,514 Value ($000) $4,390 Avg Close $15.22 Range $14.23 - $16.75

Q3 2019

Shares 269,181 Value ($000) $5,039 Avg Close $15.85 Range $13.00 - $18.49

Q2 2019

Shares 267,141 Value ($000) $5,853 Avg Close $18.53 Range $16.36 - $21.11

Q1 2019

Shares 265,671 Value ($000) $6,148 Avg Close $19.72 Range $16.10 - $22.62

Q4 2018

Shares 269,329 Value ($000) $5,416 Avg Close $17.44 Range $14.68 - $21.17

Q3 2018

Shares 272,133 Value ($000) $6,988 Avg Close $23.82 Range $20.87 - $26.04

Q2 2018

Shares 272,096 Value ($000) $7,815 Avg Close $25.07 Range $22.38 - $27.83

Q1 2018

Shares 268,584 Value ($000) $8,162 Avg Close $27.28 Range $23.76 - $31.02

Q4 2017

Shares 277,288 Value ($000) $9,866 Avg Close $28.32 Range $26.63 - $29.81

Q3 2017

Shares 275,723 Value ($000) $9,444 Avg Close $24.69 Range $22.60 - $27.68

Q2 2017

Shares 303,902 Value ($000) $9,202 Avg Close $24.09 Range $21.93 - $26.39

Q1 2017

Shares 326,761 Value ($000) $10,741 Avg Close $23.45 Range $19.80 - $26.56

Q4 2016

Shares 341,661 Value ($000) $8,750 Avg Close $18.41 Range $15.14 - $20.97

Q3 2016

Shares 351,061 Value ($000) $7,204 Avg Close $16.54 Range $14.07 - $20.22

Q2 2016

Shares 347,961 Value ($000) $8,643 Avg Close $16.42 Range $12.53 - $19.10

Q1 2016

Shares 350,576 Value ($000) $6,090 Avg Close $11.65 Range $9.31 - $13.29

Q4 2015

Shares 305,728 Value ($000) $5,277 Avg Close $14.30 Range $12.26 - $16.51

Q3 2015

Shares 141,369 Value ($000) $2,376 Avg Close $15.54 Range $11.61 - $19.89

Q2 2015

Shares 141,569 Value ($000) $3,815 Avg Close $21.65 Range $19.59 - $23.66

Q1 2015

Shares 144,516 Value ($000) $4,630 Avg Close $19.44 Range $15.86 - $24.96

Q4 2014

Shares 147,216 Value ($000) $3,352 Avg Close $17.50 Range $14.73 - $18.73

Q3 2014

Shares 145,893 Value ($000) $3,684 Avg Close $18.98 Range $18.05 - $20.09

Q2 2014

Shares 144,265 Value ($000) $3,884 Avg Close $19.57 Range $18.76 - $20.64

Q1 2014

Shares 145,965 Value ($000) $4,030 Avg Close $18.93 Range $17.28 - $20.40

Q4 2013

Shares 145,365 Value ($000) $4,194 Avg Close $17.31 Range $15.11 - $20.64

Q3 2013

Shares 144,365 Value ($000) $3,331 Avg Close $16.35 Range $15.60 - $17.31

Q2 2013

Shares 139,920 Value ($000) $3,347 Avg Close $16.80 Range $15.64 - $17.76

Q1 2013

Shares 139,249 Value ($000) $3,512 Avg Close $15.92 Range $14.40 - $17.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	108,477	$2,260	$21.44	$18.25 - $26.01
Q3 2025	108,579	$2,713	$21.88	$17.75 - $26.84
Q2 2025	108,573	$2,181	$20.30	$17.18 - $24.06
Q1 2025	108,269	$2,624	$27.21	$22.18 - $33.55
Q4 2024	109,990	$3,718	$40.23	$31.76 - $46.58
Q3 2024	114,696	$5,503	$42.66	$37.92 - $48.52
Q2 2024	118,156	$5,571	$51.06	$44.84 - $57.73
Q1 2024	123,629	$7,269	$50.97	$47.08 - $56.36
Q4 2023	127,800	$6,895	$45.36	$39.41 - $52.72
Q3 2023	138,228	$6,909	$50.92	$42.56 - $56.64
Q2 2023	153,551	$7,891	$50.00	$44.05 - $55.14
Q1 2023	169,501	$9,407	$53.58	$46.10 - $60.49
Q4 2022	180,135	$9,536	$49.56	$40.33 - $57.70
Q3 2022	186,694	$8,005	$47.14	$38.51 - $54.86
Q2 2022	196,342	$9,087	$53.56	$41.54 - $62.43
Q1 2022	193,612	$10,122	$47.19	$40.94 - $53.48
Q4 2021	210,784	$12,124	$51.61	$43.56 - $59.69
Q3 2021	251,439	$12,132	$42.76	$36.50 - $47.78
Q2 2021	246,837	$11,419	$41.12	$34.73 - $46.69
Q1 2021	249,821	$9,486	$27.50	$20.59 - $38.50
Q4 2020	250,455	$6,151	$18.35	$10.88 - $23.92
Q3 2020	258,025	$3,194	$10.29	$8.67 - $12.24
Q2 2020	251,273	$2,887	$11.12	$9.03 - $14.33
Q1 2020	271,293	$3,166	$13.02	$7.58 - $16.79
Q4 2019	254,514	$4,390	$15.22	$14.23 - $16.75
Q3 2019	269,181	$5,039	$15.85	$13.00 - $18.49
Q2 2019	267,141	$5,853	$18.53	$16.36 - $21.11
Q1 2019	265,671	$6,148	$19.72	$16.10 - $22.62
Q4 2018	269,329	$5,416	$17.44	$14.68 - $21.17
Q3 2018	272,133	$6,988	$23.82	$20.87 - $26.04
Q2 2018	272,096	$7,815	$25.07	$22.38 - $27.83
Q1 2018	268,584	$8,162	$27.28	$23.76 - $31.02
Q4 2017	277,288	$9,866	$28.32	$26.63 - $29.81
Q3 2017	275,723	$9,444	$24.69	$22.60 - $27.68
Q2 2017	303,902	$9,202	$24.09	$21.93 - $26.39
Q1 2017	326,761	$10,741	$23.45	$19.80 - $26.56
Q4 2016	341,661	$8,750	$18.41	$15.14 - $20.97
Q3 2016	351,061	$7,204	$16.54	$14.07 - $20.22
Q2 2016	347,961	$8,643	$16.42	$12.53 - $19.10
Q1 2016	350,576	$6,090	$11.65	$9.31 - $13.29
Q4 2015	305,728	$5,277	$14.30	$12.26 - $16.51
Q3 2015	141,369	$2,376	$15.54	$11.61 - $19.89
Q2 2015	141,569	$3,815	$21.65	$19.59 - $23.66
Q1 2015	144,516	$4,630	$19.44	$15.86 - $24.96
Q4 2014	147,216	$3,352	$17.50	$14.73 - $18.73
Q3 2014	145,893	$3,684	$18.98	$18.05 - $20.09
Q2 2014	144,265	$3,884	$19.57	$18.76 - $20.64
Q1 2014	145,965	$4,030	$18.93	$17.28 - $20.40
Q4 2013	145,365	$4,194	$17.31	$15.11 - $20.64
Q3 2013	144,365	$3,331	$16.35	$15.60 - $17.31
Q2 2013	139,920	$3,347	$16.80	$15.64 - $17.76
Q1 2013	139,249	$3,512	$15.92	$14.40 - $17.33