Chun-Jung Tsai - 15 Apr 2026 Form 4 Insider Report for Ainos, Inc. (AIMD)

Reporting relationship: Director
Issuer ticker: AIMD
Reported as of: 15 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 17 Apr 2026, 16:17:09 UTC
Prior SEC filing: 26 Nov 2025
Next SEC filing: 27 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Chun-Hsien Tsai POA for Chun-Jung Tsai

Key filing fact

Chun-Jung Tsai filed Form 4 for Ainos, Inc. (AIMD) on 17 Apr 2026.

Key facts

This page summarizes Chun-Jung Tsai's Form 4 filing for Ainos, Inc. (AIMD).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 17 Apr 2026, 16:17.

Change

Previous filing in this sequence was filed on 26 Nov 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001859356 Primary reporting owner

TSAI CHUN-JUNG

Relationship: Director
Address: 10F-2, NO. 66, SHENGYI 5TH RD., ZHUBEI CITY, TAIWAN
Signature: /s/ Chun-Hsien Tsai POA for Chun-Jung Tsai
Signature date: 17 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AIMD transaction

Common Stock

Award

Transaction value
Shares: +330,000
Change %: +92%
Price: $1.61^*
Shares after: 686,999
Date: 15 Apr 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AIMD transaction Derivative

RSU

Award

Transaction value
Shares: +330,000
Change %
Price
Shares after: 330,000
Date: 15 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 330,000
Exercise price
Footnotes: F1

AIMD transaction Derivative

RSU

Conversion of derivative security

Transaction value
Shares: -330,000
Change %: -100%
Price
Shares after: 0
Date: 15 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 330,000
Exercise price
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Reference is made to the 330,000 RSUs granted and vested to the Reporting Person under the Ainos, Inc. 2023 Stock Incentive Plan.

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