13D Filings
Ainos, Inc.
AIMD
Amendment
Ownership

21.79%

Total Shares

1,037,206

Issuer CIK

1014763

CUSIP

00902F402

Event Date

Oct 5, 2025

Accepted

Oct 9, 2025, 06:11 AM

Reporting Persons (1)
NameType% of ClassAggregateSole VotingShared Voting
Taiwan Carbon Nano Technology Corporation
CO
21.79%1,037,20601,037,206
Disclosure Items (7)

Security Title

Common Stock, par value $0.01 per share

Issuer Name

Ainos, Inc.

Issuer Address

8880 RIO SAN DIEGO DRIVE, SAN DIEGO, CA, 92108

Filing Persons

(a-b) This Schedule is being filed by Taiwan Carbon Nano Technology Corporation ("TCNT"), a Taiwanese corporation.

Business Address

The principal executive office of TCNT is at 10F-2, No. 66, Shengyi 5th Rd., Zhubei City, Hsinchu County 302 , Taiwan (R.O.C.).

Principal Occupation

The principal business of TCNT includes the development of advanced materials for industrial and medical device applications.

Convictions

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.

Citizenship

The reporting person is organized in Taiwan, Republic of China.

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.

TCNT sold the shares of the issuer's common stock for general operating purposes.

Percentage of Class

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.

Transactions

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.

Shareholders

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).

Date of 5% Ownership

Not applicable.

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.

None.

Ainos, Inc. — Schedule 13D | 13D Filings