[SCHEDULE 13D/A] Ainos, Inc. SEC Filing

Rhea-AI Filing Summary

Taiwan Carbon Nano Technology Corporation (TCNT) reports it directly holds 1,037,206 shares of Ainos, Inc. common stock, representing 21.79% of the outstanding shares after the issuer's one-for-five reverse stock split. TCNT acquired a larger position when the issuer issued 5,500,000 shares under a license agreement in exchange for patent rights and subsequently adjusted for the reverse split.

TCNT sold 62,794 shares between the end of June and early October and states those sales were for general operating purposes. TCNT is subject to a voting agreement that requires it to vote its shares as directed by Ainos KY while Ainos KY holds at least 10% of the issuer's shares. No litigation or other arrangements are disclosed.

Positive

• Significant economic stake: TCNT beneficially owns 1,037,206 shares, representing 21.79% of outstanding stock
• Strategic IP transaction: Issuance of 5,500,000 shares was in exchange for a license to patented technology related to gas sensors and medical devices

Negative

• Share sales: TCNT sold 62,794 shares from late June through early October for general operating purposes
• Voting control constrained: TCNT must vote its shares as directed by Ainos KY, limiting independent voting influence despite economic ownership

Insights

Corporate Governance Analyst

Major shareholder holds >20% and is bound by a voting agreement.

The filing shows TCNT beneficially owns 1,037,206 shares, or 21.79%, giving it significant influence on shareholder votes. That influence is constrained by a voting agreement under which TCNT must vote as directed by Ainos KY while Ainos KY retains at least 10% ownership.

This arrangement concentrates voting control with Ainos KY despite TCNT's large economic stake; monitor any changes in Ainos KY's stake, since the voting agreement terminates if its ownership falls below 10%.

Securities Transactions Analyst

Transaction history shows issuance for intellectual property and subsequent modest share sales.

The reporting details an issuance of 5,500,000 shares to TCNT under a license for patented technology and a subsequent one-for-five reverse split that adjusted TCNT's holding to 1,037,206 shares. From the post-split period, TCNT sold 62,794 shares for general operating purposes.

Investors should note the share issuance was consideration for licensed patents, and the recent sales reduced the holding slightly; any further material disposals or transfers would change the disclosed 21.79% ownership level.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 1)

Ainos, Inc.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

00902F402

(CUSIP Number)

Chun-Hsien Tsai
14F.,No. 61, Sec. 4, New Taipei Bouleva,, Xinzhuang District
New Taipei City 242, F5, F5
886-37-581999

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

10/06/2025

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP No. 00902F402

1

Name of reporting person

Taiwan Carbon Nano Technology Corporation

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

TAIWAN, PROVINCE OF CHINA

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 1,037,206.00
9	Sole Dispositive Power 1,037,206.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

1,037,206.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

21.79 %

14

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person:

The number of securities in Row 7 includes, after giving effect to the one-for-five reverse stock split of the Issuer's common stock effected on June 30, 2025 (the "June 2025 Reverse Split"),1,037,206 shares of common stock, $0.01 par value, of Ainos, Inc., a Texas corporation (the "Issuer"), owned directly by Taiwan Carbon Nano Technology Corporation ("TCNT"), which are subject to a voting agreement between TCNT and Ainos Inc., a Cayman Islands corporation ("Ainos KY"). The percentage in Row 13 is based on 4,759,021 shares of Common Stock outstanding as of September 5, 2025 as set forth in the prospectus supplement of the Issuer filed with the SEC on September 5, 2025, 2025. Except as set forth below, there are no changes to the information set forth in the Statement. Items 2, 3, 4, 5 and 6 of the Statement are hereby amended as follows:

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Stock, par value $0.01 per share
(b)	Name of Issuer: Ainos, Inc.
(c)	Address of Issuer's Principal Executive Offices: 8880 RIO SAN DIEGO DRIVE, SUITE 800, SAN DIEGO, CALIFORNIA , 92108.
Item 2.	Identity and Background
(a)	(a-b) This Schedule is being filed by Taiwan Carbon Nano Technology Corporation ("TCNT"), a Taiwanese corporation.
(b)	The principal executive office of TCNT is at 10F-2, No. 66, Shengyi 5th Rd., Zhubei City, Hsinchu County 302 , Taiwan (R.O.C.).
(c)	The principal business of TCNT includes the development of advanced materials for industrial and medical device applications.
(d)	During the last five years, none of the reporting person nor any director or executive officer of the reporting person have been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).
(e)	During the last five years, none of the reporting person nor any director or executive officer of reporting person was a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.
(f)	The reporting person is organized in Taiwan, Republic of China.
Item 3.	Source and Amount of Funds or Other Consideration
	On August 6, 2024, the Issuer entered into the License Agreement with TCNT. Pursuant to the License Agreement, TCNT has agreed to assign and grant, and the Company has agreed to accept, an exclusive, irrevocable, and perpetual license of certain invention patents and patent applications related to gas sensors and medical devices (the "Licensed Patents"), in exchange for 5,500,000 shares of the Common Stock, at a price per share of 1.05 times the highest closing sale price of the Common Stock during the 30-trading day period preceding the effective date of the License Agreement. On August 15, 2024, the Issuer issued the 5,500,000 shares to TCNT pursuant to the License Agreement. On June 30, 2025, the Issuer effected an one-for-five reverse stock split of its common stock. From June 25, 2025 through October 6, 2025, TCNT sold a total of 62,794 shares of the issuer's common stock.
Item 4.	Purpose of Transaction
	TCNT sold the shares of the issuer's common stock for general operating purposes.
Item 5.	Interest in Securities of the Issuer
(a)	Items 5 of the Statement are hereby amended and restated as follows: (a) - (b) The information requested by these paragraphs are incorporated herein by reference to the cover pages to this Amendment No. 1.
(c)	Since the most recent filing of Schedule 13D on August 21, 2024, the following transactions have occurred: From June 25, 2025 through October 6, 2025, TCNT sold a total of 62,794 shares of the issuer's common stock.
(d)	No other person is known to the parties to have the right to receive or the power to direct the receipt of dividends or the proceeds from the sale of the shares (other than their respective records owner).
(e)	Not applicable.
Item 6.	Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer
	TCNT directly holds 1,037,206 shares of Common Stock. As previously disclosed, effective August 15, 2024, Ainos Inc., a Cayman Islands company ("Ainos KY") and TCNT entered into a voting agreement (the "Voting Agreement") with respect to the voting stock of the Issuer held by TCNT. Pursuant to the Voting Agreement, TCNT has agreed to vote all of the voting stock of the Company that is current owns or will acquire in the future in the manner determined by Ainos KY in its sole discretion. The Voting Agreement may only be terminated if (i) Ainos KY directly holds less than 10% of the shares of the Issuer; or (ii) when Ainos KY directly holds shares which have less than 10% of the voting power in the Issuer. This voting agreement will cease to apply to a particular stockholder when the stockholder holds no shares in the Issuer; or when the stockholder ceases to be subject to the obligations under Section 16 of the Securities Exchange Act of 1934, as amended, if applicable. Except as set forth herein, the reporting person has no other contracts, arrangements, understandings or relationships (legal or otherwise) with any person with respect to any securities of the Issuer, including but not limited to any contracts, arrangements, understandings or relationships concerning the transfer or voting of such securities, finder's fees, joint ventures, loan or option arrangements, puts or calls, guarantees of profits, division of profits or losses, or the giving or withholding of proxies.
Item 7.	Material to be Filed as Exhibits.
	None.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Taiwan Carbon Nano Technology Corporation

Signature:	/s/ Chun-Hsien Tsai
Name/Title:	Chairman, Chief Executive Officer
Date:	10/09/2025

FAQ

How many Ainos (AIMD) shares does TCNT beneficially own?

TCNT beneficially owns 1,037,206 shares, representing 21.79% of outstanding common stock.

Why did TCNT receive shares from Ainos?

TCNT received 5,500,000 shares as consideration for granting an exclusive, perpetual license to certain patents related to gas sensors and medical devices.

Did TCNT sell any Ainos shares recently?

Yes. TCNT sold a total of 62,794 shares between the post-reverse-split period and early October for general operating purposes.

Does TCNT control how it votes its Ainos shares?

No. Under a voting agreement, TCNT agreed to vote its Ainos shares as directed by Ainos KY while Ainos KY holds at least 10% of the issuer's shares.

How did the reverse stock split affect TCNT's reported holdings?

A one-for-five reverse split reduced the number of issued shares; the filing reports TCNT's adjusted holding as 1,037,206 shares after the split.