Olin Corporation Forms 3, 4 and 5: Stock Options Statements of beneficial ownership filed with the SEC by officers, directors and 10% owners: 2 rows in 2026. Transaction codes are the SEC's. Shares and prices are split-adjusted; the as-filed figure is underneath.
2026-02-03: Reporting owner Sumner R Nichole ; Form 4 ; Security Employee Stock Options (Right to Buy) ; Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 . 2026-02-03: Reporting owner Slater Todd A ; Form 4 ; Security Employee Stock Options (Right to Buy) ; Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 . 2025-11-26: Reporting owner VERMILLION TERESA M ; Form 4 ; Security Employee Stock Options (Right to Buy) ; Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 . 2025-08-13: Reporting owner VERMILLION TERESA M ; Form 4 ; Security Employee Stock Options (Right to Buy) ; Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 . OLN insiders transactions against the stock price
Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close
$14.66 $17.16 $20.08 $23.51 $27.52 $32.21 2025-11-06 2026-11-06 $14.66 $20.10 $27.55 $37.77 $51.79 $71.00 2021-11-08 2026-11-06 $8.87 $13.93 $21.86 $34.31 $53.86 $84.54 2016-11-07 2026-11-06 $8.60 $14.71 $25.16 $43.04 $73.62 $125.93 2006-11-06 2026-11-06 $1.70 $4.79 $13.47 $37.93 $106.76 $300.51 1973-02-21 2026-11-06 2006-02-06: 6 option exercises at $20.90 close — RUGGIERO ANTHONY W 2006-02-07: 1 option exercise at $20.75 close — Haferkamp Jeffrey J 2006-02-09: 10 award or grants at $20.49 close — Slater Todd A, RUPP JOSEPH D, PAIN GEORGE H and 7 more 2007-02-13: 10 award or grants at $16.66 close — Slater Todd A, RUPP JOSEPH D, PAIN GEORGE H and 7 more 2008-02-07: 9 award or grants at $20.12 close — Slater Todd A, RUPP JOSEPH D, PAIN GEORGE H and 6 more 2008-07-28: 4 option exercises at $28.35 close — PAIN GEORGE H 2008-07-29: 3 option exercises at $28.88 close — Hammett Richard M, MCINTOSH JOHN L 2008-07-30: 12 option exercises at $30.14 close — MCINTOSH JOHN L, McGough Dennis R, Hammett Richard M and 2 more 2008-08-01: 4 option exercises at $29.15 close — Hammett Richard M, Slater Todd A 2008-08-04: 7 option exercises at $28.90 close — Hammett Richard M, Greer GBruce 2008-08-05: 2 option exercises at $29.12 close — Hammett Richard M 2009-02-05: 9 award or grants at $14.34 close — McGough Dennis R, MCINTOSH JOHN L, PAIN GEORGE H and 6 more 2010-02-05: 9 award or grants at $15.94 close — Ennico Dolores J, RUPP JOSEPH D, Slater Todd A and 6 more 2010-04-30: 3 option exercises at $21.00 close — PAIN GEORGE H, Fischer John E. 2010-05-05: 1 option exercise at $20.30 close — MCINTOSH JOHN L 2011-02-11: 8 award or grants at $18.75 close — Slater Todd A, PAIN GEORGE H, MCINTOSH JOHN L and 5 more 2011-05-03: 6 option exercises at $25.02 close — Chirumbole Frank W, Fischer John E., PAIN GEORGE H and 1 more 2011-05-11: 1 option exercise at $24.43 close — MCINTOSH JOHN L 2012-02-10: 10 award or grants at $21.84 close — PAIN GEORGE H, Slater Todd A, RUPP JOSEPH D and 7 more 2013-02-04: 1 option exercise at $23.41 close — Chirumbole Frank W 2013-02-05: 2 option exercises at $23.68 close — RUPP JOSEPH D, MCINTOSH JOHN L 2013-02-11: 11 award or grants at $23.22 close — Fischer John E., RUPP JOSEPH D, Steel Robert F and 8 more 2013-02-11: 3 option exercises at $23.22 close — Fischer John E., PAIN GEORGE H 2013-04-30: 3 option exercises at $24.17 close — Greer GBruce 2013-05-20: 1 option exercise at $24.97 close — Curley Stephen C 2013-05-22: 1 option exercise at $24.61 close — Curley Stephen C 2013-05-29: 1 option exercise at $25.05 close — Curley Stephen C 2013-07-30: 1 option exercise at $24.09 close — MCINTOSH JOHN L 2013-08-02: 1 option exercise at $25.04 close — Curley Stephen C 2013-11-22: 1 option exercise at $24.93 close — Curley Stephen C 2013-12-03: 1 option exercise at $26.53 close — Curley Stephen C 2014-02-10: 11 award or grants at $25.49 close — Steel Robert F, Slater Todd A, RUPP JOSEPH D and 8 more 2014-02-10: 1 option exercise at $25.49 close — RUPP JOSEPH D 2014-02-24: 1 award or grant at $26.00 close — Curley Stephen C 2014-04-29: 2 award or grants at $27.73 close — Greer GBruce 2014-05-05: 3 award or grants at $27.88 close — Sumner R Nichole, Slater Todd A, Fischer John E. 2014-07-30: 2 award or grants at $27.17 close — Greer GBruce 2014-08-06: 1 award or grant at $26.55 close — Curley Stephen C 2014-08-13: 1 award or grant at $26.13 close — MCINTOSH JOHN L 2014-11-13: 1 option exercise at $25.29 close — Fischer John E. 2014-11-14: 3 option exercises at $25.24 close — Ennico Dolores J, Slater Todd A, RUPP JOSEPH D 2014-11-17: 1 option exercise at $25.29 close — Curley Stephen C 2015-01-26: 1 option exercise at $25.43 close — Curley Stephen C 2015-01-28: 1 option exercise at $24.87 close — Chirumbole Frank W 2015-02-13: 18 award or grants at $27.31 close — RUPP JOSEPH D, PAIN GEORGE H, MCINTOSH JOHN L and 9 more 2016-02-12: 15 award or grants at $13.02 close — Sumner R Nichole, Slater Todd A, PAIN GEORGE H and 12 more 2016-11-10: 1 option exercise at $24.28 close — Ennico Dolores J 2016-11-11: 2 option exercises at $24.40 close — Slater Todd A, OKeefe Thomas J 2016-11-14: 4 option exercises at $24.33 close — RUPP JOSEPH D, Fischer John E. 2016-11-16: 1 option exercise at $24.84 close — Curley Stephen C 2016-11-17: 1 option exercise at $24.95 close — Curley Stephen C 2017-02-06: 3 option exercises at $30.28 close — MCINTOSH JOHN L, Fischer John E., Ennico Dolores J 2017-02-10: 10 award or grants at $29.81 close — SAMPSON JOHN MAURICE, VARILEK JAMES A, Sumner R Nichole and 7 more 2017-02-10: 2 option exercises at $29.81 close — OKeefe Thomas J 2017-02-21: 2 option exercises at $32.49 close — Slater Todd A, OKeefe Thomas J 2017-03-01: 4 option exercises at $32.23 close — OKeefe Thomas J, Curley Stephen C 2017-03-06: 1 award or grant at $31.99 close — BLANCHARD ERIC A 2017-03-06: 1 option exercise at $31.99 close — MCINTOSH JOHN L 2017-08-01: 1 option exercise at $30.19 close — SAMPSON JOHN MAURICE 2017-08-04: 2 option exercises at $31.29 close — MCINTOSH JOHN L 2017-08-15: 1 option exercise at $30.50 close — Curley Stephen C 2017-11-01: 2 option exercises at $36.20 close — Ennico Dolores J, Fischer John E. 2018-02-16: 12 award or grants at $32.67 close — SAMPSON JOHN MAURICE, VERMILLION TERESA M, VARILEK JAMES A and 8 more 2018-02-26: 1 option exercise at $33.11 close — MCINTOSH JOHN L 2018-03-01: 1 option exercise at $31.68 close — Curley Stephen C 2018-08-08: 1 option exercise at $30.42 close — MCINTOSH JOHN L 2018-08-17: 2 option exercises at $29.70 close — SAMPSON JOHN MAURICE 2019-01-17: 1 option exercise at $23.06 close — Slater Todd A 2019-02-19: 11 award or grants at $26.51 close — VERMILLION TERESA M, VARILEK JAMES A, Sumner R Nichole and 8 more 2019-02-22: 1 option exercise at $26.33 close — FLAUGHER BRETT A 2020-01-17: 1 option exercise at $17.85 close — Slater Todd A 2020-02-18: 11 award or grants at $17.13 close — Fischer John E., Sumner R Nichole, VERMILLION TERESA M and 7 more 2020-11-06: 1 option exercise at $20.86 close — Fischer John E. 2020-11-10: 2 option exercises at $21.90 close — Slater Todd A, FLAUGHER BRETT A 2021-02-15: 9 award or grants at $28.70 close — VERMILLION TERESA M, VARILEK JAMES A, Sutton Scott McDougald and 6 more 2021-05-04: 2 option exercises at $45.62 close — Dawson Pat D, FLAUGHER BRETT A 2021-05-07: 1 option exercise at $46.54 close — FLAUGHER BRETT A 2021-05-14: 1 option exercise at $46.79 close — PETERS VALERIE A 2021-05-24: 4 option exercises at $13.14 filed · Value $932.94K — Sumner R Nichole, Slater Todd A, Dawson Pat D 2021-05-25: 2 option exercises at $29.75 filed · Value $238.00K — VERMILLION TERESA M, Sumner R Nichole 2021-09-01: 1 option exercise at $51.99 close — VARILEK JAMES A 2021-11-03: 2 option exercises at $61.05 close — VARILEK JAMES A 2021-11-08: 1 option exercise at $60.75 close — Dawson Pat D 2021-11-29: 2 award or grants at $58.17 close — Schumacher Patrick Murphy, O'Brien Dana C. 2021-12-10: 1 award or grant at $57.69 close — Gumpel Damian 2022-02-22: 10 award or grants at $49.29 close — FLAUGHER BRETT A, Sutton Scott McDougald, VERMILLION TERESA M and 7 more 2022-05-04: 1 option exercise at $64.52 close — FLAUGHER BRETT A 2022-05-26: 2 option exercises at $64.51 close — VARILEK JAMES A, Sumner R Nichole 2022-05-27: 2 option exercises at $66.82 close — VARILEK JAMES A, Sumner R Nichole 2022-11-18: 1 option exercise at $57.02 close — VARILEK JAMES A 2023-02-16: 2 option exercises at $62.17 close — Gumpel Damian 2023-02-22: 9 award or grants at $60.17 close — Slater Todd A, PETERS VALERIE A, VERMILLION TERESA M and 6 more 2023-08-08: 1 option exercise at $58.95 close — FLAUGHER BRETT A 2023-08-10: 1 option exercise at $58.41 close — Gumpel Damian 2023-08-18: 1 option exercise at $56.48 close — Gumpel Damian 2024-01-30: 5 option exercises at $53.48 close — Sutton Scott McDougald, Slater Todd A 2024-01-31: 2 option exercises at $52.07 close — PETERS VALERIE A 2024-02-22: 7 award or grants at $52.31 close — Sumner R Nichole, VERMILLION TERESA M, FLAUGHER BRETT A and 4 more 2024-02-22: 1 option exercise at $52.31 close — Sutton Scott McDougald 2024-02-23: 1 option exercise at $52.59 close — Sutton Scott McDougald 2024-02-26: 2 option exercises at $52.25 close — Sutton Scott McDougald, FLAUGHER BRETT A 2024-02-27: 1 option exercise at $52.23 close — Sutton Scott McDougald 2024-03-18: 1 award or grant at $56.88 close — Lane Kenneth Todd 2024-11-08: 1 option exercise at $44.29 close — Sumner R Nichole 2025-08-13: 1 option exercise at $21.38 close — VERMILLION TERESA M 2025-11-26: 1 option exercise at $20.77 close — VERMILLION TERESA M 2026-02-03: 2 option exercises at $22.93 close — Sumner R Nichole, Slater Todd A Logarithmic scale. Both lines share the same starting value for the selected range.
Markers: each transaction type positioned at that session's split-adjusted close. Tooltips retain the reported transaction price when available.
Transaction date Reporting owner Form Security Transaction Shares Price Price that day Filing 2026-02-03 Sumner R NicholeOfficer (VP & Controller) 4 Employee Stock Options (Right to Buy)Derivative · Direct M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 −4,7500 owned after $13.14exercise price $22.93 2026-02-05 2026-02-03 Slater Todd AOfficer (VP & CFO) 4 Employee Stock Options (Right to Buy)Derivative · Direct M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 −92,2500 owned after $13.14exercise price $22.93 2026-02-05