Ainos investor updates 10.98% ownership stake

Ainos, Inc. investor Ting Chuan Lee has amended his Schedule 13D filing to reflect new equity compensation and updated ownership.

Rhea-AI Filing Summary

Ainos, Inc. investor Ting Chuan Lee has amended his Schedule 13D filing to reflect new equity compensation and updated ownership. He now reports beneficial ownership of 935,707 shares of common stock, representing 10.98% of the class.

The shares are subject to a voting agreement between Lee and Ainos Inc., a Cayman Islands corporation. On April 15, 2026, the issuer granted him 570,000 fully vested restricted stock units under the Ainos, Inc. 2023 Stock Incentive Plan. He reports no other transactions in the past 60 days aside from this grant.

Key Figures

Beneficial ownership: 935,707 shares Ownership percentage: 10.98% of class RSUs granted: 570,000 RSUs +5 more

8 metrics

Beneficial ownership 935,707 shares Common stock beneficially owned by Ting Chuan Lee

Ownership percentage 10.98% of class Percent of Ainos common stock represented by 935,707 shares

RSUs granted 570,000 RSUs Restricted stock units granted to Lee on April 15, 2026

Shares outstanding base 7,266,011 shares Common stock outstanding as of March 30, 2026

Service-fee shares 19,531 shares Shares issued for service fee on April 1, 2026

Plan shares vested 1,239,000 shares Shares granted and vested on April 15, 2026 under 2023 plan

Sole voting power 0 shares Sole voting power reported for Lee

Shared voting power 935,707 shares Shared voting power under voting agreement with Ainos KY

Key Terms

beneficially owned, restricted stock units, voting agreement, Schedule 13D, +1 more

5 terms

beneficially owned financial

"Aggregate amount beneficially owned by each reporting person 935,707.00"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

restricted stock units financial

"granted 570,000 restricted stock units ("RSUs") of Common Stock"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

voting agreement regulatory

"shares ... which are subject to a voting agreement between the Reporting Person and Ainos Inc., a Cayman Islands corporation"

A voting agreement is a legally binding pact in which shareholders promise to cast their votes the same way on certain corporate matters, such as electing directors or approving a merger. It matters to investors because it changes who controls company decisions and makes outcomes more predictable—like a group of neighbors agreeing in advance to vote the same way on a community rule, it can strengthen or limit the influence of other shareholders and affect the company’s future direction.

Schedule 13D regulatory

"amends the first filed ... on April 11, 2025 ... with respect to the common stock"

A Schedule 13D is a legal document that investors file with regulators when they buy a large enough stake in a company to potentially influence its management or decisions. It provides details about the investor’s intention, ownership stake, and plans, helping other investors understand who is gaining control and what their motives might be.

beneficial ownership financial

"The numbers in Rows 8, 9, and 11 represents beneficial ownership of 935,707 shares of common stock"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

FAQ

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

What did Ainos (AIMD) disclose in this Schedule 13D/A amendment?

Ainos investor Ting Chuan Lee filed an amended Schedule 13D to update his beneficial ownership after receiving restricted stock units. The amendment reports his total holdings, related voting arrangements, and confirms no other recent share transactions besides the April 15, 2026 equity grant.

How many Ainos (AIMD) shares does Ting Chuan Lee beneficially own?

Ting Chuan Lee reports beneficial ownership of 935,707 shares of Ainos common stock. This position includes shares subject to a voting agreement and represents 10.98% of the company’s common stock, based on an updated share count incorporating recent issuances and vested awards.

What percentage of Ainos (AIMD) does 935,707 shares represent?

The filing states that 935,707 shares represent 10.98% of Ainos’s common stock. That percentage is calculated using outstanding shares as of March 30, 2026 plus 19,531 service-fee shares and 1,239,000 shares granted and vested on April 15, 2026 under the 2023 Stock Incentive Plan.

What new equity did Ting Chuan Lee receive from Ainos (AIMD)?

On April 15, 2026, Ainos granted Ting Chuan Lee 570,000 restricted stock units of common stock under its 2023 Stock Incentive Plan. All of these RSUs are fully vested, meaning they are no longer subject to service-based vesting conditions at the grant date.

Is Ting Chuan Lee’s Ainos (AIMD) stake subject to any voting agreement?

Yes. The filing notes that his 935,707 beneficially owned shares are subject to a voting agreement between Lee and Ainos Inc., a Cayman Islands corporation. This agreement affects how voting power is exercised but does not change the reported beneficial ownership percentage.

Has Ting Chuan Lee recently traded Ainos (AIMD) shares in the market?

The amendment states that Lee has not effected any transactions in Ainos common stock during the past 60 days, other than the reported equity grant. His recent activity consists solely of receiving 570,000 fully vested restricted stock units on April 15, 2026 from the company.

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

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Accepted by SEC EDGAR 04/17/2026 - 04:20 PM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 2)

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 Boulevard, Xinzhuang District
New Taipei City, F5, 242
886-37-581999

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

04/15/2026

(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).

schemaVersion:

SCHEDULE 13D

CUSIP Number(s): 00902F402

1

Name of reporting person

Ting Chuan Lee

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

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 935,707.00
9	Sole Dispositive Power 935,707.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

935,707.00

12

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

13

Percent of class represented by amount in Row (11)

10.98 %

14

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person:

The numbers in Rows 8, 9, and 11 represents beneficial ownership of 935,707 shares of common stock, $0.01 par value (the "Common Stock"), of Ainos, Inc., a Texas corporation (the "Issuer"), which are subject to a voting agreement between the Reporting Person and Ainos Inc., a Cayman Islands corporation ("Ainos KY"). For further details, please see Item 3 and Item 6. The percentage in Row 13 is based on the sum of (i) 7,266,011 shares of Common Stock outstanding as of March 30, 2026 as set forth in the Annual Report on Form 10-K of the Issuer filed with the SEC on March 30, 2026, (ii) 19,531 shares issued for service fee on April 1, 2026; and (iii) 1,239,000 shares of Common Stock granted and vested on April 15, 2026 under the Ainos, Inc. 2023 Stock Incentive Plan.

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 1 Comment: This Amendment No. 2 ("Amendment No. 2") amends the Schedule 13D first filed with the Securities and Exchange Commission on April 11, 2025 (the "Schedule 13D"), as amended by Amendment No. 1 dated November 25, 2025, and is filed by Ting Chuan Lee, with respect to the common stock, par value $0.001 per share (the "Common Stock"), of Ainos, Inc. (the "Issuer"). Unless otherwise indicated, all capitalized terms used and not defined herein have the respective meanings assigned to them in the Schedule 13D.
Item 3.	Source and Amount of Funds or Other Consideration
	On April 15, 2026, The Issuer granted 570,000 restricted stock units ("RSUs") of Common Stock to the Reporting Person under the Ainos, Inc. 2023 Stock Incentive Plan, all of which are fully vested.
Item 4.	Purpose of Transaction
	The Reporting Person acquired the 5700,000 RSUs under the Ainos, Inc. 2023 Stock Incentive Plan. 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.
Item 5.	Interest in Securities of the Issuer
(a)	The information requested is incorporated herein by reference to the cover pages to this Statement.
(b)	The information requested is incorporated herein by reference to the cover pages to this Statement.
(c)	The reporting person has not effected any transactions in Common Stock during the past 60 days, except as described in this Statement
(d)	The information in Item 2 is incorporated by reference into this Item 5(d).
(e)	Not applicable.

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.

Ting Chuan Lee

Signature:	/s/ Ting Chuan Lee
Name/Title:	Ting Chuan Lee
Date:	04/17/2026