Tam Man Kin - 23 Sep 2026 Form 4 Insider Report for Adagene Inc. (ADAG)

Reporting relationship: Chief Financial Officer, Director
Issuer ticker: ADAG
Reported as of: 23 Sep 2026
Net transaction value: +$6,000
SEC form: 4
Accepted by SEC: 25 Sep 2026, 18:23:22 UTC
Prior SEC filing: 18 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Tam Man Kin

Key filing fact

Tam Man Kin filed Form 4 for Adagene Inc. (ADAG) on 25 Sep 2026.

Key facts

This page summarizes Tam Man Kin's Form 4 filing for Adagene Inc. (ADAG).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 25 Sep 2026, 18:23.

Change

Previous filing in this sequence was filed on 18 Mar 2026.
Current net transaction value: +$6,000.

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 0002106478 Primary reporting owner

Tam Man Kin

Relationship: Chief Financial Officer, Director
Address: 4F, BUILDING C14, NO. 218 XINGHU STREET, SUZHOU JIANGSU, CHINA
Signature: /s/ Tam Man Kin
Signature date: 25 Sep 2026

Reported non-derivative transactions

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

ADAG transaction

American Depositary Shares (ADSs)

Purchase

Transaction value: $6,000
Shares: +2,000
Change %: +20%
Price: $3.00
Shares after: 12,000
Date: 23 Sep 2026
Ownership: Direct
Footnotes: F1

ADAG holding

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 25,000
Date: 23 Sep 2026
Ownership: Direct
Footnotes: F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Including (i) 2,000 ADSs bought in the open market on 9/23/2026 at $3/ADS and (ii) vesting of Restricted Stock Unit (RSU) on 7/23/2026, which corresponds to 10,000 ADSs or 12,500 ordinary shares. Such RSU was granted under the 2021 Performance Incentive Plan in July 2024.

Footnote F2

Such RSU was granted under the 2021 Performance Incentive Plan in July 2024. 12,500 ordinary shares or 10,000 ADSs of the remaining RSU shall vest on 7/23/2027 and 7/23/2028, respectively.