ABB LTD

Post-effective amendment to an American depositary receipts registration statement

Notice of Effectiveness

Registration statement under the Securities Act of 1933 for depositary shares evidenced by American depositary receipts

No description available

Specialized Disclosure Report

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Registration statement / Annual report / Transition report for Foreign Private Issuers

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Specialized Disclosure Report

Notification of the removal from listing and registration of matured redeemed or retired securities

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Registration statement / Annual report / Transition report for Foreign Private Issuers

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

Specialized Disclosure Report

Registration statement / Annual report / Transition report for Foreign Private Issuers

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Specialized Disclosure Report

Notice of Effectiveness

Registration statement / Annual report / Transition report for Foreign Private Issuers

Registration statement under the Securities Act of 1933 for depositary shares evidenced by American depositary receipts

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Specialized Disclosure Report

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Registration statement / Annual report / Transition report for Foreign Private Issuers

Specialized Disclosure Report

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

No description available

Registration statement / Annual report / Transition report for Foreign Private Issuers

Specialized Disclosure Report

Prospectus Supplement for Delayed or Continuous Offering

No description available

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Registration statement / Annual report / Transition report for Foreign Private Issuers (amendment)

Registration statement / Annual report / Transition report for Foreign Private Issuers

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Specialized Disclosure Report

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Registration statement / Annual report / Transition report for Foreign Private Issuers

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Specialized Disclosure Report

Registration statement / Annual report / Transition report for Foreign Private Issuers

Beneficial ownership report for a holder of more than 5% (Schedule 13D)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Specialized Disclosure Report

Registration statement / Annual report / Transition report for Foreign Private Issuers

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Registration statement / Annual report / Transition report for Foreign Private Issuers

Registration statement / Annual report / Transition report for Foreign Private Issuers (amendment)

Post Effective Amendment to S-8

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Registration statement / Annual report / Transition report for Foreign Private Issuers

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Free Writing Prospectus

Free Writing Prospectus

Free Writing Prospectus

Free Writing Prospectus

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Registration statement / Annual report / Transition report for Foreign Private Issuers

Registration statement / Annual report / Transition report for Foreign Private Issuers

Registration statement / Annual report / Transition report for Foreign Private Issuers

Registration statement / Annual report / Transition report for Foreign Private Issuers

Registration statement / Annual report / Transition report for Foreign Private Issuers

Registration statement / Annual report / Transition report for Foreign Private Issuers

ABB LTD