Additional Securities Registration Statement (Form S-1MEF)

As filed with the Securities and Exchange Commission on September 10, 2025.

Registration No. 333-

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM S-1

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

AIRO Group Holdings, Inc.

(Exact name of registrant as specified in its charter)

Delaware		3721		88-0812695
(State or other jurisdiction of incorporation or organization)		(Primary Standard Industrial Classification Code Number)		(I.R.S. Employer Identification No.)

5001 Indian School Road NE, Suite 100

Albuquerque, New Mexico 87110

(505) 338-2434

(Address, including zip code, and telephone number, including area code, of registrant's principal executive offices)

Captain Joseph D. Burns

Chief Executive Officer

5001 Indian School Road NE, Suite 100

Albuquerque, New Mexico 87110

(505) 338-2434

(Name, address, including zip code, and telephone number, including area code, of agent for service)

Copies to:

Christina T. Roupas Yvan-Claude Pierre Courtney M.W. Tygesson Grady Chang Cooley LLP 110 N. Wacker Drive, Suite 4200 Chicago, Illinois 60606 (312) 881-6500

Christopher Lueking Jonathan Sarna 330 North Wabash Avenue, Suite 2800 Chicago, Illinois 60611 (312) 876-7700

Approximate date of commencement of proposed sale to the public: As soon as practicable after this Registration Statement becomes effective.

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933 check the following box: ☐

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☒ (333-290109)

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☐	Accelerated filer	☐
Non-accelerated filer	☒	Smaller reporting company	☒
		Emerging growth company	☒

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 7(a)(2)(B) of the Securities Act. ☐

The Registration Statement shall become effective upon filing in accordance with Rule 462(b) promulgated under the Securities Act of 1933, as amended.

EXPLANATORY NOTE AND INCORPORATION BY REFERENCE

This Registration Statement is being filed pursuant to Rule 462(b) under the Securities Act of 1933, as amended (the "Securities Act") by AIRO Group Holdings, Inc. (the "Registrant"), for the sole purpose of increasing the aggregate number of shares of common stock offered and registered by the Earlier Registration Statement (as defined below) by 805,000 shares, 105,000 of which are subject to purchase upon exercise of the underwriters' option to purchase additional shares of the Registrant's common stock. The contents of the Registration Statement on Form S-1 (File No. 333-290109), including all exhibits thereto (the "Earlier Registration Statement"), filed by the Registrant with the Securities and Exchange Commission (the "Commission") pursuant to the Securities Act, which was declared effective by the Commission on September 10, 2025, are incorporated by reference into this Registration Statement. The additional shares of common stock that are being registered for issuance and sale pursuant to this Registration Statement are in an amount and at a price that together represent no more than 20% of the maximum aggregate offering price set forth in Exhibit 107 of the Earlier Registration Statement.

The required opinion and consents are listed on an Exhibit Index attached hereto and filed herewith.

EXHIBIT INDEX

Exhibit No.		Exhibit Index
5.1		Opinion of Cooley LLP.
23.1		Consent of Independent Registered Public Accounting Firm.
23.4		Consent of Cooley LLP (included in Exhibit 5.1).
24.1*		Power of Attorney.
107		Filing Fee Table.

*	Previously filed on the signature page to the Registrant's Registration Statement on Form S-1 (File No. 333-290109), originally filed with the Securities and Exchange Commission on September 8, 2025 and incorporated by reference herein.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in Albuquerque, New Mexico on September 10, 2025.

	AIRO GROUP HOLDINGS, INC.
	By:	/s/ Captain Joseph D. Burns
		Captain Joseph D. Burns
		Chief Executive Officer

Pursuant to the requirements of the Securities Act of 1933, this Registration Statement on Form S-1 has been signed by the following persons in the capacities held on the dates indicated.

SIGNATURE		TITLE		DATE
/s/ Captain Joseph D. Burns		Chief Executive Officer and Director		September 10, 2025
Captain Joseph D. Burns		(Principal Executive Officer)
*		Chief Financial Officer		September 10, 2025
Dr. Mariya Pylypiv		(Principal Financial and Accounting Officer)
*		President, Chief Operating Officer and		September 10, 2025
John Uczekaj		Director
*		Executive Chairman and Director		September 10, 2025
Dr. Chirinjeev Kathuria
*		Director		September 10, 2025
John Belcher
*		Director		September 10, 2025
Elizabeth Ng
		Director
Edvard Per Erik Svehag
*		Director		September 10, 2025
Brian Nelson
*		Director		September 10, 2025
Gregory Winfree
*		Director		September 10, 2025
Sherrie McCandless

*By:	/s/ Captain Joseph D. Burns
	Captain Joseph D. Burns
	Attorney-in-Fact