13D Filings
Ainos, Inc.
AIMD
Initial Filing
Ownership

6.00%

Total Shares

356,999

Issuer CIK

1014763

CUSIP

00902F402

Event Date

Nov 24, 2025

Accepted

Nov 28, 2025, 01:05 PM

Reporting Persons (1)
NameType% of ClassAggregateSole VotingShared Voting
Chun-Jung Tsai
Individual
6.00%356,9990356,999
Disclosure Items (7)

Security Title

Common Stock, par value $0.01 per share

Issuer Name

Ainos, Inc.

Issuer Address

AINOS, INC., SAN DIEGO, CA, 92108

Filing Persons

Chun-Jung Tsai

Business Address

14F., No. 61, Sec. 4, New Taipei Boulevard, Xinzhuang District, New Taipei City 242, Taiwan F5

Principal Occupation

Director of Ainos, Inc.

Convictions

No.

Citizenship

Taiwan, Republic of China

The Reporting Person acquired 356,999 shares of Common Stock granted by the Issuer as stock awards.

The responses set forth in Items 2, 3, 5 and 6 hereof are incorporated by reference in their entirety. Except as described in this Schedule 13D, the Reporting Person do not have any present plans or proposals that relate to or would result in any of the actions described in subparagraphs (a) through (j) of Item 4 of Schedule 13D, although, subject to the agreements described herein, the Reporting Person, at any time, and from time to time, may review, reconsider and change their position and/or change their purpose and/or develop such plans and may seek to influence management of the Issuer or the Board of Directors with respect to the business and affairs of the Issuer and may from time to time consider pursuing or proposing such matters with advisors, the Issuer, or other persons.

Percentage of Class

The information requested is incorporated herein by reference to the cover pages to this Statement.

Number of Shares

The information requested is incorporated herein by reference to the cover pages to this Statement.

Transactions

The reporting person has not effected any transactions in Common Stock during the past 60 days, except as described in this Statement.

Shareholders

The information in Item 2 is incorporated by reference into this Item 5(d).

Date of 5% Ownership

Not applicable.

The reporting person's responses to Items 3 - 5 are incorporated by reference into this Item 6. Effective January 26, 2024, Ainos Inc., a Cayman Islands company ("Ainos KY") and the Reporting Person entered into a voting agreement (the "Voting Agreement") with respect to the voting stock of the Issuer held by the Reporting Person. Pursuant to the Voting Agreement, the Reporting Person 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

Voting Agreement, dated January 26, 2024 (incorporated by reference to Exhibit 2 of the Amendment No. 5 to the Schedule 13D filed with the SEC on January 29, 2024)

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