Chief Accounting Officer Michael Heraty resigns; CFO Koyanagi adds duties

LanzaTech Global, Inc.

Michael Heraty resigned as Chief Accounting Officer effective June 26, 2025.
Resignation not related to any disagreement on financial reporting or operations.
CFO Sushmita Koyanagi will assume principal accounting officer role in addition to CFO.
No new compensatory arrangement was entered into with Ms. Koyanagi for the additional role.

item 5.02 item 9.01

Executive movements

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Departed

Michael Heraty

Chief Accounting Officer

LNZA · LanzaTech Global, Inc.

Effective: 2025-06-26
Successor: Sushmita Koyanagi
Filed: June 23, 2025, 7:59 PM ET

On June 16, 2025, Michael Heraty, the Chief Accounting Officer of LanzaTech Global, Inc. (the “Company”), submitted his resignation, effective as of June 26, 2025.

Role change

Sushmita Koyanagi

Chief Financial Officer and principal accounting officer

LNZA · LanzaTech Global, Inc.

Effective: 2025-06-26
Filed: June 23, 2025, 7:59 PM ET

Sushmita Koyanagi, the Company’s Chief Financial Officer, is expected to assume the responsibilities of principal accounting officer

Key facts

Extracted from this filing and checked against the source text.

Executive change SEC 8-K Item 5.02 confidence 0.95

Michael Heraty resigned as Chief Accounting Officer at LanzaTech Global, Inc..

Action: resigned
Role: Chief Accounting Officer

Exact text from the filing

On June 16, 2025, Michael Heraty, the Chief Accounting Officer of LanzaTech Global, Inc. (the “Company”), submitted his resignation, effective as of June 26, 2025.

View on SEC.gov

Executive change SEC 8-K Item 5.02 confidence 0.95

Sushmita Koyanagi changed role as Chief Financial Officer and principal accounting officer at LanzaTech Global, Inc..

Action: assumed responsibilities of principal accounting officer
Role: Chief Financial Officer and principal accounting officer

Exact text from the filing

Sushmita Koyanagi, the Company’s Chief Financial Officer, is expected to assume the responsibilities of principal accounting officer

View on SEC.gov

LanzaTech Global, Inc. filing history →

Source: SEC EDGAR

accession 0001628280-25-032651

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