ScanTech AI Systems (STAI) director Cavanaugh files Form 3 showing no share ownership

Rhea-AI Filing Summary

ScanTech AI Systems Inc. filed an initial insider ownership report for Michael David Palmer Cavanaugh, who serves as a director of the company. The Form 3 indicates that, as of the event date of 12/08/2025, he reported no securities beneficially owned in ScanTech AI Systems Inc.

SEC Form 3

FORM 3

UNITED 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

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1. Name and Address of Reporting Person^*

Cavanaugh Michael David Palmer

(Last) (First) (Middle)

11706 MOUNTAIN PARK RD

(Street)

ROSWELL GA 30075-1819

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
12/08/2025

3. Issuer Name and Ticker or Trading Symbol
ScanTech AI Systems Inc. [ STAI ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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 Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Michael David Palmer Cavanaugh	01/29/2026
	** Signature of Reporting Person	Date
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.

FAQ

What does the Form 3 for ScanTech AI Systems Inc. (STAI) report about Michael David Palmer Cavanaugh?

The Form 3 shows that director Michael David Palmer Cavanaugh filed an initial ownership statement for ScanTech AI Systems Inc. It reports that he does not beneficially own any securities of STAI as of the reported event date.

What is Michael David Palmer Cavanaugh’s relationship to ScanTech AI Systems Inc. (STAI)?

Michael David Palmer Cavanaugh is listed as a director of ScanTech AI Systems Inc. on the Form 3. He is not identified as an officer or 10% owner, and no other relationship boxes are checked in the filing.

Does the Form 3 show any ScanTech AI Systems Inc. (STAI) shares owned by Michael David Palmer Cavanaugh?

No. The Form 3 explicitly states in the Explanation of Responses section that no securities are beneficially owned. Both the non-derivative and derivative security tables contain no reported holdings for him.

What is the event date reported on the ScanTech AI Systems Inc. (STAI) Form 3?

The Form 3 lists an event date of 12/08/2025 in the section titled “Date of Event Requiring Statement.” This is the date for which Michael David Palmer Cavanaugh’s beneficial ownership status is being reported.

Is the ScanTech AI Systems Inc. (STAI) Form 3 filed by more than one reporting person?

No. The Form 3 indicates it is filed by one reporting person. Only Michael David Palmer Cavanaugh is listed as the reporting person, and the alternative checkbox for multiple reporting persons is not selected.