Versum Materials, Inc.

Quarterly Report for period ending 2019-06-30

Quarterly Report for period ending 2019-03-31

Quarterly Report for period ending 2018-12-31

Annual Report for period ending 2018-09-30

Quarterly Report for period ending 2018-06-30

Quarterly Report for period ending 2018-03-31

Quarterly Report for period ending 2017-12-31

Annual Report for period ending 2017-09-30

Quarterly Report for period ending 2017-06-30

Quarterly Report for period ending 2017-03-31

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Current report filing

Notice of termination of registration of a class of securities under Section 12(b)

Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities

Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)

Tender offer solicitation/recommendation statements filed under Rule 14d-9

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities

Form for the registration / listing of a class of securities on a national securities exchange pursuant to Section 12(b)

Tender offer solicitation/recommendation statements filed under Rule 14d-9

Form for the registration / listing of a class of securities on a national securities exchange pursuant to Section 12(b)

Boston Partners: Major Shareholders

STATE FARM MUTUAL AUTOMOBILE INSURANCE CO: Major Shareholders

White John Jeffrey: Statement of changes in beneficial ownership of securities

CROISETIERE JACQUES M: Statement of changes in beneficial ownership of securities

Wolff Alejandro Daniel: Statement of changes in beneficial ownership of securities

Shober Edward C: Statement of changes in beneficial ownership of securities

Valente Michael W: Statement of changes in beneficial ownership of securities

SCHNABEL SUSAN C: Statement of changes in beneficial ownership of securities

Feather-Bowman Jessica D: Statement of changes in beneficial ownership of securities

Riordan Thomas: Statement of changes in beneficial ownership of securities

Post-effective amendment to a S-8 registration statement

Post-effective amendment to a S-8 registration statement

Third party tender offer statement

Third party tender offer statement

Filing under Securities Act Rule 425 of certain prospectuses and communications in connection with business combination transactions

Filing under Securities Act Rule 425 of certain prospectuses and communications in connection with business combination transactions

Filing under Securities Act Rule 425 of certain prospectuses and communications in connection with business combination transactions

Filing under Securities Act Rule 425 of certain prospectuses and communications in connection with business combination transactions

Filing under Securities Act Rule 425 of certain prospectuses and communications in connection with business combination transactions

Filing under Securities Act Rule 425 of certain prospectuses and communications in connection with business combination transactions

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive additional proxy soliciting materials filed by non-management including Rule 14(a)(12) material

Definitive additional proxy soliciting materials filed by non-management including Rule 14(a)(12) material

Definitive proxy statement relating to a merger, acquisition, or disposition

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.

Definitive additional proxy soliciting materials filed by non-management including Rule 14(a)(12) material

Preliminary proxy statement relating to a merger, acquisition, or disposition