# EDGAR Filing Document

**Accession Number:** 0001843724
**File Stem:** 0001628280-26-038859
**Filing Date:** 2026-5
**Character Count:** 5506
**Document Hash:** 703b740b2c92ea34902026987cd42346
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-26-038859.hdr.sgml**: 20260528

**ACCESSION NUMBER**: 0001628280-26-038859

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260526

**FILED AS OF DATE**: 20260528

**DATE AS OF CHANGE**: 20260528

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Maas Maryann
- **CENTRAL INDEX KEY:** 0002129040

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40282
- **FILM NUMBER:** 261036816

**MAIL ADDRESS:**
- **STREET 1:** 8045 LAMON AVE
- **STREET 2:** SUITE 400
- **CITY:** SKOKIE
- **STATE:** IL
- **ZIP:** 60077
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** LanzaTech Global, Inc.
- **CENTRAL INDEX KEY:** 0001843724
- **STANDARD INDUSTRIAL CLASSIFICATION:** INDUSTRIAL ORGANIC CHEMICALS [2860]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 861763050
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 8045 LAMON AVENUE
- **STREET 2:** SUITE 400
- **CITY:** SKOKIE
- **STATE:** IL
- **ZIP:** 60077
- **BUSINESS PHONE:** 847-324-2400

**MAIL ADDRESS:**
- **STREET 1:** 8045 LAMON AVENUE
- **STREET 2:** SUITE 400
- **CITY:** SKOKIE
- **STATE:** IL
- **ZIP:** 60077

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AMCI Acquisition Corp. II
- **DATE OF NAME CHANGE:** 20210201

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Maas Maryann<br><sub>(Last) (First) (Middle)</sub><br>8045 LAMON AVE<br>SUITE 400<br><sub>(Street)</sub><br>SKOKIE, IL 60077<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>LanzaTech Global, Inc. [ LNZA ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-05-26 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [ ] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_Interim GC-Corp. Secretary_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Stock Options | <sup>(1)</sup> | 2030-06-26 | Common Stock | 437 | $4.68 | D |  |
| Stock Options | <sup>(1)</sup> | 2031-12-24 | Common Stock | 131 | $13.77 | D |  |
| Stock Options | <sup>(1)</sup> | 2033-05-02 | Common Stock | 381 | $3.28 | D |  |
| Stock Options | <sup>(2)</sup> | 2034-05-06 | Common Stock | 406 | $3.10 | D |  |
| Restricted Stock Units | <sup>(3)</sup> | <sup>(3)</sup> | Common Stock | 300 | <sup>(3)</sup> | D |  |
| Restricted Stock Units | <sup>(4)</sup> | <sup>(4)</sup> | Common Stock | 162 | <sup>(4)</sup> | D |  |

---

### Footnotes:

(1) Options are fully vested and exercisable.

(2) Subject to the terms of the Stock Option Agreement, the shares subject to the stock option will vest and become exercisable in approximately three equal annual installments with such first installment vesting on March 6, 2025.

(3) The Restricted Stock Units are fully vested and represent a right to receive one share of common stock per unit.

(4) Each Restricted Stock Unit (RSU) represents a contingent right to receive one share of common stock of LanzaTech Global, Inc. (the "Company"). Subject to the terms of the RSU Agreement, the RSUs vest in approximately three equal annual installments, with such first installment having vested on March 6, 2025.

**Signature:** /s/ Maryann Maas  
**Date:** 2026-05-28

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**