Filed pursuant to Rule 424(b)(3)

Registration Statement No. 333-271015

Prospectus Supplement No. 8

(To Prospectus dated July 5, 2023)

INTUITIVE MACHINES, INC.

This prospectus supplement updates, amends and supplements the prospectus dated July 5, 2023 (the “Prospectus”), which forms a part of our Registration Statement on Form S-1 (Registration No. 333-271015). Capitalized terms used in this prospectus supplement and not otherwise defined herein have the meanings specified in the Prospectus.

This prospectus supplement is being filed to update, amend and supplement the information included in the Prospectus with the information contained in our Current Report on Form 8-K/A filed with the Securities and Exchange Commission (the “SEC”) on February 1, 2024, which is set forth below.

This prospectus supplement is not complete without the Prospectus. This prospectus supplement should be read in conjunction with the Prospectus, which is to be delivered with this prospectus supplement, and is qualified by reference thereto, except to the extent that the information in this prospectus supplement updates or supersedes the information contained in the Prospectus. Please keep this prospectus supplement with your Prospectus for future reference.

Intuitive Machines, Inc.’s Class A Common Stock is listed on the Nasdaq Stock Market LLC under the symbol “LUNR.” On January 31, 2024, the closing price of our Class A Common Stock was $3.78 per share.

We are an “emerging growth company” under federal securities laws and are subject to reduced public company reporting requirements. Investing in our securities involves certain risks. See “Summary — Implications of Being an Emerging Growth Company and a Smaller Reporting Company” beginning on page 5 of the Prospectus.

Neither the SEC nor any state securities commission has approved or disapproved of these securities or determined if the Prospectus or this prospectus supplement is truthful or complete. Any representation to the contrary is a criminal offense.

The date of this prospectus supplement is February 1, 2024.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K/A

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): December 21, 2023

INTUITIVE MACHINES, INC.

(Exact name of registrant as specified in its charter)

Delaware	001-40823	36-5056189
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

13467 Columbia Shuttle Street
Houston	TX	77059
(Address of principal executive offices)		(Zip code)

(281)	520-3703
(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement 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 class	Trading Symbol(s)	Name of each exchange on which registered
Class A Common stock, par value $0.0001 per share	LUNR	The Nasdaq Stock Market LLC
Warrants to purchase one share of Class A Common stock, each at an exercise price of $11.50 per share	LUNRW	The 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).

Emerging growth company x

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. o

Explanatory Note

This Amendment No. 1 on Form 8-K/A (this “Amendment”) amends Item 5.02 of the Current Report on Form 8-K filed by Intuitive Machines, Inc. (the “Company”) on December 26, 2023 (the “Prior Report”), in which the Company reported, among other things, that Erik Sallee was resigning from his position as the Chief Financial Officer of the Company, effective as of January 26, 2024. This Amendment is being filed solely to supplement the Prior Report and provide additional information regarding compensation as required under Item 5.02.

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On January 26, 2024, the Board of Directors of the Company approved entering into a Consulting Agreement (the “Consulting Agreement”) with Mr. Sallee.

On January 26, 2024, the Company and Mr. Sallee entered into the Consulting Agreement. Pursuant to the Consulting Agreement, Mr. Sallee will provide consulting and advisory services at the request of the Company from January 27, 2024 through March 31, 2024. In consideration for the consulting and advisory services provided by Mr. Sallee under the Consulting Agreement, the Company will accelerate, on March 31, 2024, the vesting of 55,624 shares subject to a stock option granted under the Intuitive Machines, LLC 2021 Unit Option Plan and 137,500 unvested restricted stock units granted under the Company’s 2023 Long Term Omnibus Incentive Plan, subject to Mr. Sallee’s continued services through such date. Under the Consulting Agreement, Mr. Sallee agreed to a general release of claims along with other standard terms.

The foregoing description of the Consulting Agreement is not complete and is qualified in its entirety by reference to the full text of the Consulting Agreement, a copy of which is attached as Exhibit 10.1 to this Current Report on Form 8-K/A and is incorporated by reference in this Item 5.02.

Item 9.01. Financial Statements and Exhibits.

(d)Exhibits

Exhibit No.	Description
10.1*	Consulting Agreement, dated as of January 26, 2024, by and between Intuitive Machines, Inc. and Erik Sallee
104	Cover Page Interactive Data File (embedded within the Inline XBRL document).

* Certain schedules and similar attachments to this Exhibit have been omitted in accordance with Item 601(a)(5) of Regulation S-K. The Company agrees to furnish supplementally a copy of any omitted exhibit or schedule to the SEC upon its request.

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.

Date: February 1, 2024	INTUITIVE MACHINES, INC.
	By:	/s/ Stephen J. Altemus
		Name: Stephen J. Altemus
		Title: President and Chief Executive Officer