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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K 
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(D) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported): May 22, 2025
LanzaTech Global, Inc.
(Exact name of registrant as specified in its charter)
Delaware001-4028292-2018969
(State or other jurisdiction
of incorporation)
(Commission File Number)(I.R.S. Employer
Identification No.)
8045 Lamon Avenue, Suite 400
Skokie, Illinois
60077
(Address of principal executive offices)(Zip Code)
(847) 324-2400
(Registrant’s telephone number, including area code)
Not Applicable
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencements communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading SymbolsName of each exchange on which registered
Common Stock, par value $0.0001 per shareLNZAThe Nasdaq Stock Market LLC
Redeemable Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50LNZAWThe Nasdaq Stock Market LLC
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.



Item 5.02    Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain     Officers; Compensatory Arrangements of Certain Officers.
Executive Leadership Transitions
On May 29, 2025, LanzaTech Global, Inc. (the “Company”) announced certain transitions in its executive leadership team in connection with its recent financing and ongoing strategic measures, to streamline its operations and reduce costs, including the consolidation of certain positions by drawing upon its capable, experienced internal resources. In furtherance of these objectives, the Company determined that, effective June 2, 2025, Justin Pugh would step down from his role as the Company’s interim Chief Financial Officer and Sushmita Koyanagi, the Company’s current Chief Accounting Officer, would take on the position of Chief Financial Officer. Mr. Pugh will maintain an advisory role with the Company to assist in his transition and to provide other related support until June 30, 2025.
Ms. Koyanagi, 47, joined the Company in December 2024 as the Company’s Chief Accounting Officer. She is a seasoned finance professional with extensive experience in accounting, financial reporting, process improvement and managing large teams. Prior to her position at the Company, she served in various senior financial roles in Equity LifeStyle Properties, a leading owner and operator of manufactured home communities, RV resorts and campgrounds, from June 2021 to December 2024, JP Morgan Chase from October 2013 to June 2021 and Deloitte from July 2007 to October 2013. Ms. Koyanagi is a certified public accountant, and her educational background includes a Master’s in Accounting from Victoria University and a Bachelor of Accounting from Delhi University.
Ms. Koyanagi is party to an existing Employment Agreement with the Company that provides for a base salary of $325,000 and eligibility for a discretionary annual cash bonus determined in accordance with the Company’s bonus policy as in effect from time to time with a target of 30% of her base salary, as well as other benefit plans and programs generally made available to the Company’s executives. Under the agreement, Ms. Koyanagi is entitled to sign-on awards with a value of $150,000 in the aggregate, subject to certain vesting and repayment provisions. Further, Ms. Koyanagi is entitled to certain severance rights in the event of a termination without “cause” or for “good reason”: (i) a lump sum payment equal to six months of base salary (or nine months following a “corporate transaction”); (ii) a prorated annual bonus for the year in which the termination occurs based on actual performance; and (iii) a COBRA premium supplement of up to six months with respect to an amount equivalent to the employer-paid portion of health insurance premiums for active employees. Ms. Koyanagi is subject to certain restrictive covenants in favor of the Company.
On May 22, 2025, Joseph Blasko, General Counsel and Corporate Secretary, notified the Company of his decision to resign, effective June 13, 2025, in order to pursue another professional opportunity. Amanda Koenig Fuisz, Deputy General Counsel, will serve as interim General Counsel effective as of such date. The Board of Directors of the Company (the “Board”) and the Company wishes to thank Mr. Blasko for his dedicated service to the Company.
Director Retirement
On May 23, 2025, Gary Rieschel notified the Company of his decision to not stand for re-election as a member of the Board. His term ends at the Company’s 2025 Annual Meeting of Stockholders scheduled to be held on July 21, 2025. Mr. Rieschel’s decision did not result from any disagreement with the Company, its management or the Board on any matter related to the Company’s operations, policies or practices. The Board and the Company wishes to thank Mr. Rieschel for his 16 years of dedicated service on the Board.

Item 7.01    Regulation FD Disclosure.
On May 29, 2025, the Company issued a press release announcing the executive leadership transitions and cost-related actions. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.


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Item 9.01 Financial Statements and Exhibits.
(d) Exhibits

Exhibit Number
Description
99.1
104
Cover Page Interactive Data File (embedded within the Inline XBRL document).
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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: May 29, 2025
LANZATECH GLOBAL, INC.
By:/s/ Joseph Blasko
Name:Joseph Blasko
Title:General Counsel and Corporate Secretary
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LanzaTech Advances Transformation with Leadership Changes and Cost Optimization Actions Chief Accounting Officer Sushmita Koyanagi promoted to Chief Financial Officer Deputy General Counsel Amanda Fuisz to assume Interim General Counsel role Cost savings and financial efficiencies drive continued advancement of commercial projects focused on producing alternative fuel from waste carbon CHICAGO, IL (May 29, 2025) – LanzaTech Global, Inc. (NASDAQ: LNZA) (“LanzaTech” or the “Company”), a carbon management solutions company, today announced certain transitions in its executive leadership team in connection with its recent financing and ongoing strategic measures focused on streamlining its operations and reducing costs, including consolidating certain positions by drawing upon the Company’s capable, experienced internal resources. The announced leadership changes include:  Sushmita Koyanagi appointed Chief Financial Officer, effective June 2, 2025  Amanda Fuisz to assume role of interim General Counsel, effective June 13, 2025  Gary Rieschel, long-time serving Board member, to retire from the board of directors following the upcoming Annual Meeting of Stockholders LanzaTech announced the appointment of Sushmita Koyanagi as Chief Financial Officer, effective June 2, 2025, completing its previously announced search for a permanent CFO. Ms. Koyanagi succeeds Justin Pugh, who has been serving as LanzaTech’s interim CFO since January 2025 and who will maintain an advisory role with the Company to assist in his transition and to provide other related support until June 30, 2025. Ms. Koyanagi has extensive public and private company experience in accounting, financial reporting, process improvement and managing larger teams, and most recently joined the Company as Chief Accounting Officer (“CAO”) in December of 2024. Separately, LanzaTech announced that Amanda Fuisz will assume the role of interim General Counsel, effective June 13, 2025. Ms. Fuisz will succeed Joseph Blasko, who will step down to pursue a new professional opportunity. Ms. Fuisz, who currently serves as LanzaTech’s Deputy General Counsel, will lead LanzaTech’s legal and compliance department while serving as interim General Counsel. “We are thrilled to have Sush take on this expanded role,” said Dr. Jennifer Holmgren, Chair and Chief Executive Officer. “Sush is a seasoned finance executive with an impressive background that makes her ideally suited to lead the next phase of our financial evolution as we advance our path to profitability. On behalf of our executive team and board of directors, I would like to thank Justin for stepping in to lead as interim CFO ensuring a seamless transition. Additionally, I am grateful to Amanda for stepping into this role as interim General Counsel. Her background and strong legal acumen make her an ideal fit for this position. I wish Joe all the best in his future endeavors,” added Holmgren. Additionally, LanzaTech announced that Gary Rieschel, a long-serving member of LanzaTech’s board of directors, will retire at the conclusion of his current term and will not seek re-election at the Company's Annual Meeting of Stockholders on July 21, 2025.


 
“On behalf of the members of our board and management, I express our deep appreciation for Gary’s contributions,” stated Holmgren. “Since 2009, Gary has been an unwavering champion of LanzaTech’s mission to build a circular carbon economy. It has been a true privilege to work closely with Gary for over the past fifteen years.” The announced leadership changes and role consolidations are anticipated to result in annual cost reductions of approximately $1 million. These cost reduction measures will enhance LanzaTech’s ability to better allocate resources toward its most promising commercial opportunities and projects, with efforts predominantly focused on leveraging the Company’s core gas fermentation technology platform to effectively be an enabler of the significant and growing momentum of sustainable aviation fuel production. About LanzaTech LanzaTech Global, Inc. (NASDAQ: LNZA) is the carbon recycling company transforming waste carbon into sustainable fuels, chemicals, materials, and protein. Using its biorecycling technology, LanzaTech captures carbon generated by energy-intensive industries at the source, preventing it from being emitted into the air. LanzaTech then gives that captured carbon a new life as a clean replacement for virgin fossil carbon in everything from household cleaners and clothing fibers to packaging and fuels. For more information about LanzaTech, please visit https://lanzatech.com. Forward-looking Statements This press release includes forward-looking statements regarding, among other things, the plans, strategies and prospects, both business and financial, of the Company. These statements are based on the beliefs and assumptions of the Company’s management. Although the Company believes that its plans, intentions and expectations reflected in or suggested by these forward-looking statements are reasonable, the Company cannot assure you that it will achieve or realize these plans, intentions or expectations. Forward-looking statements are inherently subject to risks, uncertainties and assumptions. Generally, statements that are not historical facts, including statements concerning possible or assumed future actions, business strategies, events or results of operations, are forward-looking statements. These statements may be preceded by, followed by or include the words “believes,” “estimates,” “expects,” “projects,” “forecasts,” “may,” “will,” “should,” “seeks,” “plans,” “scheduled,” “anticipates,” “intends” or similar expressions. The forward-looking statements are based on projections prepared by, and are the responsibility of, the Company’s management. These forward-looking statements are not guarantees of future performance, conditions or results, and involve a number of known and unknown risks, uncertainties, assumptions and other important factors, many of which are outside the Company’s control, that could cause actual results or outcomes to differ materially from those discussed in the forward- looking statements, including the Company's ability to continue to operate as a going concern. The Company may be adversely affected by other economic, business, or competitive factors, and other risks and uncertainties, including those described under the header “Risk Factors” in its Form 10-K for the year ended December 31, 2024, its Form 10-Q for the quarter ended March 31, 2025 and in future SEC filings. New risk factors that may affect actual results or outcomes emerge from time to time and it is not possible to predict all such risk factors, nor can the Company assess the impact of all such risk factors on its business, or the extent to which any factor or combination of factors may cause actual results to differ materially from those contained in any forward-looking statements. Forward-looking statements are not guarantees of performance. You should not put undue reliance on these statements, which speak only as of the date hereof. All forward-looking statements attributable to the Company or persons acting on its behalf are expressly qualified in their entirety by the foregoing cautionary statements. The Company undertakes no obligations to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.


 
Investor Relations Contact Kate Walsh VP, Investor Relations & Tax [email protected]