Ainos (AIMD) insider sells 7,000 shares at $3.59

Form 4 disclosure: Taiwan Carbon Nano Technology Corporation, reported by Chun-Hsien Tsai as reporting person, recorded an insider sale in Ainos, Inc. (AIMD).

Rhea-AI Filing Summary

Form 4 disclosure: Taiwan Carbon Nano Technology Corporation, reported by Chun-Hsien Tsai as reporting person, recorded an insider sale in Ainos, Inc. (AIMD). On 10/06/2025 the reporting person sold 7,000 shares of common stock at a price of $3.59 per share for general operating purposes. Following the sale the reporting person beneficially owned 1,037,206 shares. The filer indicated the reporting relationship as Director and 10% owner. The Form 4 shows a routine, disclosed insider sale and provides the required Section 16 reporting details.

Insider Trade Summary

Net Seller: 7,000 shares

Net Sell 1 txn

Insider Taiwan Carbon Nano Technology Corp

Role 10% Owner

Sold 7,000 shs ($25K)

Type	Security	Shares	Price	Value
Sale	Common Stock	7,000	$3.59	$25K

Holdings After Transaction: Common Stock — 1,037,206 shares (Direct)

Footnotes (1)

1. F1. The Reporting Person sold shares of common stock for general operating purposes.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did the Ainos (AIMD) Form 4 filed on 10/08/2025 report?

It reported an insider sale on 10/06/2025 of 7,000 shares at $3.59 per share by Taiwan Carbon Nano Technology Corporation.

Who is the reporting person on the AIMD Form 4?

The reporting person is Taiwan Carbon Nano Technology Corporation, signed by Chun-Hsien Tsai (Chairman, CEO); the form marks the relationship as Director and 10% owner.

How many AIMD shares did the reporting person own after the transaction?

After the sale the reporting person beneficially owned 1,037,206 shares.

Why were the shares sold according to the filing?

The filing states the shares were sold for general operating purposes.

Was this a large or material sale relative to the reporting person's holdings?

The sale was 7,000 shares, representing a small fraction of the reported holdings (post-sale 1,037,206 shares), indicating the transaction appears immaterial to total ownership.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 10/08/2025 - 04:10 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Taiwan Carbon Nano Technology Corp

(Last) (First) (Middle)

10F-2, NO. 66, SHENGYI 5TH RD.,

(Street)

ZHUBEI CITY F5 302

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Ainos, Inc. [ AIMD ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
10/06/2025

4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/06/2025		S		7,000(1)	D	$3.59	1,037,206	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The Reporting Person sold shares of common stock for general operating purposes.

	Taiwan Carbon Nano Technology Corporation By: /s/ Chun-Hsien Tsai, Chairman, Chief Executive Officer	10/08/2025
	** 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 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.