Ainos (AIMD) director granted 570,000 RSUs that convert into common stock

Filing Impact

(High)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Ainos, Inc. director Lee Ting-chuan reported equity compensation activity involving restricted stock units (RSUs) that converted into common shares. On April 15, 2026, he received 570,000 RSUs granted and vested under the Ainos, Inc. 2023 Stock Incentive Plan, which were then converted into 570,000 shares of common stock at a reported value of $1.61 per share. After these award and conversion transactions, Lee directly holds 935,707 shares of Ainos common stock. These are compensation-related acquisitions rather than open-market purchases or sales.

Insider Trade Summary

570,000 shares exercised/converted

Mixed 3 txns

Insider lee ting-chuan

Role Director

Type	Security	Shares	Price	Value
Grant/Award	RSU	570,000	$0.00	--
Conversion	RSU	570,000	$0.00	--
Grant/Award	Common Stock	570,000	$1.61	$918K

Holdings After Transaction: RSU — 570,000 shares (Direct); Common Stock — 935,707 shares (Direct)

Footnotes (1)

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Key Figures

RSUs granted: 570,000 units RSUs converted: 570,000 units Common shares acquired: 570,000 shares +3 more

6 metrics

RSUs granted 570,000 units Granted and vested under Ainos, Inc. 2023 Stock Incentive Plan on April 15, 2026

RSUs converted 570,000 units Conversion of derivative security into common stock on April 15, 2026

Common shares acquired 570,000 shares Award acquisition of common stock linked to RSU vesting

Reported share value $1.61 per share Common stock underlying RSU award

Shares held after transactions 935,707 shares Direct ownership following RSU award and conversion

Derivative exercises 570,000 units Exercise/Conversion volume from transactionSummary

Key Terms

RSU, 2023 Stock Incentive Plan, Grant, award, or other acquisition, Conversion of derivative security, +1 more

5 terms

RSU financial

"Reference is made to the 570,000 RSUs granted and vested to the Reporting Person"

Restricted stock units (RSUs) are a form of company shares given to employees as part of their compensation, usually with certain restrictions or conditions, such as remaining with the company for a set period. When these restrictions lift, employees receive actual shares that they can sell or hold. For investors, RSUs can impact a company's stock supply and reflect the company's commitment to attracting and retaining talent.

2023 Stock Incentive Plan financial

"granted and vested to the Reporting Person under the Ainos, Inc. 2023 Stock Incentive Plan"

Grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition""

Conversion of derivative security financial

"transaction_code_description": "Conversion of derivative security""

derivative financial

""transaction_type": "derivative""

A derivative is a financial contract whose value depends on the price or performance of another asset or measure — for example a stock, index, interest rate, commodity, or currency. Investors use derivatives like insurance or leveraged bets to hedge risk, speculate, or gain exposure without owning the underlying asset; they can protect portfolios but also amplify losses and introduce counterparty and market risk.

Form 4 Insider Transactions: What Each Field Means →

04/17/2026 - 04:15 PM

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^*

lee ting-chuan

(Last)

(First)

(Middle)

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

(Street)

ZHUBEI CITY

302

(City)

(State)

(Zip)

TAIWAN

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	04/15/2026		A		570,000⁽¹⁾	A	$1.61	935,707	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
RSU	⁽¹⁾	04/15/2026		A		570,000		⁽¹⁾	⁽¹⁾	Common Stock	570,000	⁽¹⁾	570,000	D
RSU	⁽¹⁾	04/15/2026		C			570,000	⁽¹⁾	⁽¹⁾	Common Stock	570,000	⁽¹⁾	0	D

Explanation of Responses:

1. Reference is made to the 570,000 RSUs granted and vested to the Reporting Person under the Ainos, Inc. 2023 Stock Incentive Plan.

	/s/ Chun-Hsien Tsai per POA for Lee, Ting-Chuan	04/17/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Ainos (AIMD) director Lee Ting-chuan report?

Director Lee Ting-chuan reported equity compensation activity, receiving 570,000 restricted stock units that immediately converted into 570,000 shares of Ainos common stock. These transactions are coded as awards and a derivative conversion, not open-market buying or selling.

How many Ainos (AIMD) shares did Lee Ting-chuan acquire in this Form 4?

Lee Ting-chuan acquired 570,000 shares of Ainos common stock through the vesting and conversion of 570,000 restricted stock units. The Form 4 classifies these as grant and conversion events, reflecting compensation rather than a market purchase transaction.

What is Lee Ting-chuan’s Ainos (AIMD) shareholding after this RSU conversion?

Following the RSU award and conversion, Lee Ting-chuan directly holds 935,707 shares of Ainos common stock. This post-transaction balance reflects the addition of 570,000 shares obtained through vested RSUs granted under the company’s 2023 Stock Incentive Plan.

Were the Ainos (AIMD) insider transactions open-market buys or sells?

The reported transactions were not open-market buys or sells. They consist of a grant of 570,000 restricted stock units and their conversion into common stock, all coded as compensation-related acquisitions and a derivative conversion, with no open-market sale indicated.

At what value were the Ainos (AIMD) RSU shares reported in the Form 4?

The 570,000 common shares underlying the restricted stock units were reported at $1.61 per share. This figure represents the value used in the Form 4 for the award, rather than a price paid in an open-market purchase transaction.

What plan governed the Ainos (AIMD) RSU grant to Lee Ting-chuan?

The 570,000 restricted stock units granted and vested for Lee Ting-chuan were issued under the Ainos, Inc. 2023 Stock Incentive Plan. The footnote specifies this plan as the source of the award that converted into common stock on April 15, 2026.