Shipp Earl L

SEC source: 0001721123-26-000002 · wk-form4_1778007030.xml · derivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,190.528

Underlying: Common Stock · 7,023 shares

Expires not disclosed

F1 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · derivative.exercise_date: Represents a portion of the annual director compensation granted under the Olin Corporation Non-Employee Director Deferred Compensation Plan.

F2 · derivative.expiration_date: Represents a portion of the annual director compensation granted under the Olin Corporation Non-Employee Director Deferred Compensation Plan.

SEC source: 0001193125-26-137856 · ownership.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated February 10, 2026, by and among Saltchuk Resources, Inc. ("Parent"), Huron MergeCo, Inc. ("Merger Sub"), and Great Lakes Dredge & Dock Corporation ("Issuer") on April 1, 2026 (the "Effective Time"), Merger Sub merged with and into Issuer, with Issuer surviving as a wholly owned subsidiary of Parent upon consummation of the transactions contemplated by the Merger Agreement. At the Effective Time, each outstanding share of common stock of the Issuer was cancelled and converted into the right to receive $17.00 in cash, without interest and subject to any required tax withholdings.

SEC source: 0001193125-26-002855 · ownership.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,619

SEC source: 0001193125-25-226967 · ownership.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,790

SEC source: 0000950170-25-092333 · ownership.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,788

SEC source: 0000074303-25-000077 · wk-form4_1746476310.xml · derivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,167.528

Underlying: Common Stock · 10,306 shares

Expires not disclosed

F1 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · derivative.exercise_date: Represents the annual director compensation grants that are credited to the reporting person's deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-Employee Directors.

F2 · derivative.expiration_date: Represents the annual director compensation grants that are credited to the reporting person's deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-Employee Directors.

SEC source: 0000950170-25-048816 · ownership.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,117

SEC source: 0000950170-25-059445 · ownership.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,819

F1 · shares: This amendment is being filed to correct the number of shares issued. Due to an administrative error, the original filing inadvertently overstated the number of shares.

SEC source: 0000950170-25-001263 · ownership.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,060

SEC source: 0000950170-24-111545 · ownership.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,289

SEC source: 0000950170-24-079748 · ownership.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,390

SEC source: 0000074303-24-000117 · wk-form4_1714756262.xml · derivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,861.528

Underlying: Common Stock · 3,330 shares

Expires not disclosed

F1 · security: Represents the annual director compensation grants that are credited to the reporting account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-Employee Directors.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Represents the annual director compensation grants that are credited to the reporting account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-Employee Directors.

F1 · derivative.expiration_date: Represents the annual director compensation grants that are credited to the reporting account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-Employee Directors.

SEC source: 0001209191-24-005149 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,112

SEC source: 0001209191-24-000344 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,826

SEC source: 0000074303-23-000183 · wk-form4_1702396590.xml · derivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,531.528

Underlying: Common Stock · 153.268 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $50.08 per share as of 12/08/2023 in exempt transactions. Shares of phantom stock are payable in cash or stock following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) or up to 10 annual installments.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · derivative.exercise_date: Security converts to common stock on a one-to-one basis.

F2 · derivative.expiration_date: Security converts to common stock on a one-to-one basis.

SEC source: 0001209191-23-051100 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,221

SEC source: 0000074303-23-000166 · wf-form4_169454002025242.xml · derivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,378.26

Underlying: Common Stock · 152.144 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $50.25 per share as of 9/08/2023 in exempt transactions. Shares of phantom stock are payable in cash or stock following the reporting person's termination of service as a director of Olin, at the director's election, other (i) in a lump sum or (ii) over up to 10 annual installments.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $50.25 per share as of 9/08/2023 in exempt transactions. Shares of phantom stock are payable in cash or stock following the reporting person's termination of service as a director of Olin, at the director's election, other (i) in a lump sum or (ii) over up to 10 annual installments.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $50.25 per share as of 9/08/2023 in exempt transactions. Shares of phantom stock are payable in cash or stock following the reporting person's termination of service as a director of Olin, at the director's election, other (i) in a lump sum or (ii) over up to 10 annual installments.

SEC source: 0001209191-23-040533 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,712

SEC source: 0000074303-23-000124 · wf-form4_168668289638953.xml · derivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,226.116

Underlying: Common Stock · 148.249 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $51.37 per share as of 6/9/2023 in exempt transactions. Shares of phantom stock are payable in cash or stock following the reporting person's termination of service as a director of Olin, at the director's election, other (i) in a lump sum or (ii) over up to 10 annual installments.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $51.37 per share as of 6/9/2023 in exempt transactions. Shares of phantom stock are payable in cash or stock following the reporting person's termination of service as a director of Olin, at the director's election, other (i) in a lump sum or (ii) over up to 10 annual installments.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $51.37 per share as of 6/9/2023 in exempt transactions. Shares of phantom stock are payable in cash or stock following the reporting person's termination of service as a director of Olin, at the director's election, other (i) in a lump sum or (ii) over up to 10 annual installments.

SEC source: 0000074303-23-000098 · wf-form4_168314438679875.xml · derivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,077.867

Underlying: Common Stock · 2,816 shares

Expires not disclosed

F1 · security: Represents the annual director compensation grants that are credited to the reporting person's deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-Employee Directors.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Represents the annual director compensation grants that are credited to the reporting person's deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-Employee Directors.

F1 · derivative.expiration_date: Represents the annual director compensation grants that are credited to the reporting person's deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-Employee Directors.

SEC source: 0001209191-23-022225 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,261

SEC source: 0000074303-23-000081 · wf-form4_167890877537621.xml · derivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,261.867

Underlying: Common Stock · 135.336 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $51.91 per share as of 3/13/2023 in exempt transactions. Shares of phantom stock are payable in cash or stock following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $51.91 per share as of 3/13/2023 in exempt transactions. Shares of phantom stock are payable in cash or stock following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $51.91 per share as of 3/13/2023 in exempt transactions. Shares of phantom stock are payable in cash or stock following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

SEC source: 0001209191-23-015388 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,578

SEC source: 0001209191-23-000432 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,578

SEC source: 0000074303-22-000165 · wf-form4_167094024956612.xml · derivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,126.531

Underlying: Common Stock · 128.716 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $54.38 per share as of 12/09/2022 in exempt transactions. Shares of phantom stock are payable in cash following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $54.38 per share as of 12/09/2022 in exempt transactions. Shares of phantom stock are payable in cash following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $54.38 per share as of 12/09/2022 in exempt transactions. Shares of phantom stock are payable in cash following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

SEC source: 0001209191-22-052167 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,217

SEC source: 0000074303-22-000129 · wf-form4_166301628521484.xml · derivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,997.815

Underlying: Common Stock · 126.369 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $55.19 per share as of 9/09/2022 in exempt transactions. Phantom stock units are payable in cash following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $55.19 per share as of 9/09/2022 in exempt transactions. Phantom stock units are payable in cash following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $55.19 per share as of 9/09/2022 in exempt transactions. Phantom stock units are payable in cash following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

SEC source: 0001209191-22-040814 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,578

SEC source: 0000074303-22-000103 · wf-form4_165522981617079.xml · derivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,871.446

Underlying: Common Stock · 112.579 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $61.75 per share as of 6/10/2022 in exempt transactions. Shares of phantom stock are payable in cash following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $61.75 per share as of 6/10/2022 in exempt transactions. Shares of phantom stock are payable in cash following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $61.75 per share as of 6/10/2022 in exempt transactions. Shares of phantom stock are payable in cash following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

SEC source: 0000074303-22-000077 · wf-form4_165167206675545.xml · derivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,758.867

Underlying: Common Stock · 2,679 shares

Expires not disclosed

F1 · security: Phantom shares of common stock are credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director

F2 · derivative.exercise_price: Phantom stock units convert into common stock on a one-to-one basis.

F1 · derivative.exercise_date: Phantom shares of common stock are credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director

F1 · derivative.expiration_date: Phantom shares of common stock are credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director

SEC source: 0001209191-22-022363 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,052

SEC source: 0000074303-22-000049 · wf-form4_164736003717968.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,079.867

Underlying: Common Stock · 130.353 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $49.02 per share as of 3/11/2022 in exempt transactions. Shares of phantom stock are payable in cash or stock following termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $49.02 per share as of 3/11/2022 in exempt transactions. Shares of phantom stock are payable in cash or stock following termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $49.02 per share as of 3/11/2022 in exempt transactions. Shares of phantom stock are payable in cash or stock following termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

SEC source: 0001209191-22-001107 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,626

SEC source: 0000074303-21-000205 · wf-form4_163949655047111.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,949.514

Underlying: Common Stock · 109.943 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $57.92 per share as of 12/10/2021 in exempt transactions. Shares of phantom stock are payable in cash following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $57.92 per share as of 12/10/2021 in exempt transactions. Shares of phantom stock are payable in cash following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $57.92 per share as of 12/10/2021 in exempt transactions. Shares of phantom stock are payable in cash following the reporting person's termination of service as a director of Olin, at the director's election, either (i) in a lump sum or (ii) over up to 10 annual installments.

SEC source: 0001209191-21-059132 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,393

SEC source: 0000074303-21-000150 · wf-form4_163162721570244.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,839.571

Underlying: Common Stock · 131.068 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $48.385 per share as of 9/10/2021 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $48.385 per share as of 9/10/2021 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $48.385 per share as of 9/10/2021 in exempt transactions.

SEC source: 0001209191-21-051143 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,500

F1 · price: Represents the weighted average price. The shares were sold in multiple transactions ranging from $14.575 to $14.589, inclusive. Upon request by the Commission staff, the issuer or security holder of the issuer, the reporting person will provide information regarding the number of shares disposed of at each separate price.

SEC source: 0000074303-21-000134 · wf-form4_162368105145990.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,708.503

Underlying: Common Stock · 129.317 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $48.84 per share as of 6/10/2021 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $48.84 per share as of 6/10/2021 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $48.84 per share as of 6/10/2021 in exempt transactions.

SEC source: 0000074303-21-000045 · wf-form4_161557121359957.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,579.186

Underlying: Common Stock · 169.864 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $32.743 per share as of 3/10/2021 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $32.743 per share as of 3/10/2021 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $32.743 per share as of 3/10/2021 in exempt transactions.

SEC source: 0000074303-21-000032 · wf-form4_161478755873297.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,409.322

Underlying: Common Stock · 3,600 shares

Expires not disclosed

F2 · security: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F3 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · shares: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F3 · price: Security converts to common stock on a one-to-one basis.

F2 · derivative.exercise_date: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F2 · derivative.expiration_date: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

SEC source: 0000074303-21-000032 · wf-form4_161478755873297.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,160

F1 · shares: Shares of Common Stock granted under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors, the Company's formula director compensation plan.

SEC source: 0000074303-20-000207 · wf-form4_160796356337483.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,809.322

Underlying: Common Stock · 233.692 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $23.60 per share as of 12/10/2020 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $23.60 per share as of 12/10/2020 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $23.60 per share as of 12/10/2020 in exempt transactions.

SEC source: 0000074303-20-000182 · wf-form4_160010546564379.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,575.63

Underlying: Common Stock · 479.16 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $11.31 per share as of 09/10/2020 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $11.31 per share as of 09/10/2020 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $11.31 per share as of 09/10/2020 in exempt transactions.

SEC source: 0000074303-20-000154 · wf-form4_159198773677066.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,096.47

Underlying: Common Stock · 379.37 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $14.085 per share as of 06/10/2020 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $14.085 per share as of 06/10/2020 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $14.085 per share as of 06/10/2020 in exempt transactions.

SEC source: 0000074303-20-000123 · wf-form4_158402183641137.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,717.1

Underlying: Common Stock · 295.176 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $11.425 per share as of 3/10/2020 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $11.425 per share as of 3/10/2020 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $11.425 per share as of 3/10/2020 in exempt transactions.

SEC source: 0000074303-20-000094 · wf-form4_158335734716582.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,421.924

Underlying: Common Stock · 9,560 shares

Expires not disclosed

F1 · security: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

F1 · derivative.expiration_date: Phantom shares of common stock are also credited periodically to a deferred stock account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors and are settled in common stock or cash following the date the reporting person ceases to be a director.

SEC source: 0000074303-19-000076 · wf-form4_157616742894383.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,448.502

Underlying: Common Stock · 193.116 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

SEC source: 0000074303-20-000024 · wf-form4a_157868923083627.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,861.924

Underlying: Common Stock · 193.116 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated Olin Corporation 1997 Stock Plan for Non-employee Directors at $17.263 per share as of 12/10/2019 in exempt transactions.

F3 · balance_after: Due to a clerical error, this number was incorrectly reported as 11,448.502 rather than 16,861.924.

SEC source: 0001209191-19-049279 · doc4.xml · derivative · entry 2

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,668.808

Underlying: Common Stock · 178.343 shares

Expires not disclosed

F1 · security: Dividend equivalents credited to the reporting person's account under the Amended and Restated 1997 Stock Plan for Non-employee Directors at $18.493 per share as of 9/10/2019 in exempt transactions.

F2 · derivative.exercise_price: Security converts to common stock on a one-to-one basis.

F2 · price: Security converts to common stock on a one-to-one basis.

F1 · derivative.exercise_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated 1997 Stock Plan for Non-employee Directors at $18.493 per share as of 9/10/2019 in exempt transactions.

F1 · derivative.expiration_date: Dividend equivalents credited to the reporting person's account under the Amended and Restated 1997 Stock Plan for Non-employee Directors at $18.493 per share as of 9/10/2019 in exempt transactions.

SEC source: 0001209191-19-045058 · doc4.xml · nonDerivative · entry 1

Shipp Earl L · CIK 0001721123 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,918