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Interim GC at LanzaTech (NASDAQ: LNZA) details RSUs and options

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

LanzaTech Global, Inc. interim general counsel and corporate secretary Maryann Maas filed an initial ownership report showing equity-based compensation in the form of restricted stock units (RSUs) and stock options tied to common stock. The RSUs cover 162 and 300 underlying shares, with footnotes stating they either are fully vested or vest in three approximately equal annual installments, with the first installment having vested on March 6, 2025. She also holds stock options over 406, 381, 131 and 437 underlying shares, with exercise prices of $3.10, $3.28, $13.77 and $4.68 per share, and expirations ranging from 2030 to 2034. The filing does not show any new open‑market purchases or sales, only existing awards and their vesting terms.

Positive

  • None.

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Insider Maas Maryann
Role Interim GC-Corp. Secretary
Type Security Shares Price Value
holding Stock Options -- -- --
holding Stock Options -- -- --
holding Stock Options -- -- --
holding Stock Options -- -- --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
Holdings After Transaction: Stock Options — 437 shares (Direct, null); Restricted Stock Units — 300 shares (Direct, null)
Footnotes (1)
  1. Options are fully vested and exercisable. 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. The Restricted Stock Units are fully vested and represent a right to receive one share of common stock per unit. 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.
RSUs underlying shares 1 162 shares Restricted Stock Units, each for one common share
RSUs underlying shares 2 300 shares Restricted Stock Units, vesting in three annual installments
Stock options at $3.10 406 shares at $3.10/share Stock options expiring May 6, 2034
Stock options at $3.28 381 shares at $3.28/share Stock options expiring May 2, 2033
Stock options at $13.77 131 shares at $13.77/share Stock options expiring December 24, 2031
Stock options at $4.68 437 shares at $4.68/share Stock options expiring June 26, 2030
Restricted Stock Units financial
"The Restricted Stock Units are fully vested and represent a right to receive one share of common stock per unit."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Stock Options financial
"Options are fully vested and exercisable."
Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.
exercise price financial
"conversion_or_exercise_price values include 3.1000, 3.2800, 13.7700 and 4.6800 per share."
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
expiration date financial
"Stock option expiration dates range from 2030-06-26 to 2034-05-06."
The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.
vest financial
"the shares subject to the stock option will vest and become exercisable in approximately three equal annual installments"
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
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SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Maas Maryann

(Last)(First)(Middle)
8045 LAMON AVE
SUITE 400

(Street)
SKOKIE ILLINOIS 60077

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
05/26/2026
3. Issuer Name and Ticker or Trading Symbol
LanzaTech Global, Inc. [ LNZA ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Interim GC-Corp. Secretary
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Options (1)06/26/2030Common Stock437$4.68D
Stock Options (1)12/24/2031Common Stock131$13.77D
Stock Options (1)05/02/2033Common Stock381$3.28D
Stock Options (2)05/06/2034Common Stock406$3.1D
Restricted Stock Units (3) (3)Common Stock300(3)D
Restricted Stock Units (4) (4)Common Stock162(4)D
Explanation of Responses:
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.
Remarks:
/s/ Maryann Maas05/28/2026
** Signature of Reporting PersonDate
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 5 (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.
* Form 3: SEC 1473 (03-26)

FAQ

What does LanzaTech (LNZA) interim GC Maryann Maas report on this Form 3?

Maryann Maas reports her initial equity holdings in LanzaTech. The filing lists restricted stock units and stock options tied to common stock, including share counts, vesting schedules, and option expiration dates, but shows no open‑market purchases or sales.

How many restricted stock units does Maryann Maas report in LanzaTech (LNZA)?

She reports RSUs over 162 and 300 underlying shares of LanzaTech common stock. Footnotes state these RSUs either are fully vested or vest in three approximately equal annual installments, with the first installment having vested on March 6, 2025.

What stock options are disclosed for Maryann Maas in LanzaTech (LNZA)?

She holds stock options over 406, 381, 131 and 437 underlying common shares. The exercise prices are $3.10, $3.28, $13.77 and $4.68 per share, with expiration dates between June 26, 2030 and May 6, 2034.

Are the LanzaTech (LNZA) restricted stock units for Maryann Maas vested?

Footnotes state some RSUs are fully vested and each represents one share of common stock. Other RSUs vest in approximately three equal annual installments, with the first installment having vested on March 6, 2025 under the RSU agreement terms.

Do the stock options reported by Maryann Maas in LanzaTech (LNZA) already vest?

One footnote explains certain options are fully vested and exercisable. Another states some options vest in approximately three equal annual installments, with the first installment vesting on March 6, 2025, subject to the underlying stock option agreement.

Does this LanzaTech (LNZA) Form 3 show any insider buying or selling by Maryann Maas?

No buy or sell transactions appear in the data. The summary indicates only holdings and derivative positions, such as RSUs and stock options, with unknown transaction codes and no shares classified as open‑market purchases or sales.