TANTECH HOLDINGS LTD

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 (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

Notice of Effectiveness

Correspondence with the SEC

Registration statement for securities of certain foreign private issuers

Letter from the SEC

Draft registration statement (confidential submission)

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

No description available

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

Prospectus Supplement for Primary Offering

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

Prospectus Supplement for Primary Offering

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

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 (amendment)

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

No description available

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

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) (amendment)

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Correspondence with the SEC

Letter from the SEC

Registration statement for securities of certain foreign private issuers (amendment)

Registration statement for securities of certain foreign private issuers

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)

No description available

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 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 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 passive holder of more than 5% (Schedule 13G)

Notice of Effectiveness

Correspondence with the SEC

Letter from the SEC

Registration statement for securities of certain foreign private issuers

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

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

Letter from the SEC

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

Correspondence with the SEC

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

Letter from the SEC

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

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

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

No description available

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

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)

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

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

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Registration statement for securities of certain foreign private issuers

06b

Correspondence with the SEC

Letter from the SEC

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

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

No description available

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

No description available

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

No description available

No description available

Liu Zheyuan

Qian Hongdao

Wang Shudong

Liao Mengqi

Zhang Yefang