Chunfang Gu - 30 Sep 2026 Form 4 Insider Report for Adagene Inc. (ADAG)

Reporting relationship: Executive Director of Finance
Issuer ticker: ADAG
Reported as of: 30 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Oct 2026, 18:04:50 UTC
Prior SEC filing: 18 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Chunfang GU

Key filing fact

Chunfang Gu filed Form 4 for Adagene Inc. (ADAG) on 02 Oct 2026.

Key facts

This page summarizes Chunfang Gu's Form 4 filing for Adagene Inc. (ADAG).
0 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 02 Oct 2026, 18:04.

Change

Previous filing in this sequence was filed on 18 Mar 2026.
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 0002108105 Primary reporting owner

GU CHUNFANG

Relationship: Executive Director of Finance
Address: 4F, BUILDING C14, NO. 218 XINGHU STREET, SUZHOU JIANGSU, CHINA
Signature: /s/ Chunfang GU
Signature date: 02 Oct 2026

Reported non-derivative transactions

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

ADAG holding

American Depositary Shares (ADSs)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,775
Date: 30 Sep 2026
Ownership: Direct
Footnotes: F1

ADAG holding

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 15,625
Date: 30 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

Section 16 status

Chunfang Gu is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 2 footnotes

Footnote F1

On July 23, 2026, 6,250 ADSs (equivalent to 7,813 RSUs on an ordinary share basis) vested, of which 475 ADSs were sold for tax withholding, resulting in 5,775 ADSs received.

Footnote F2

15,625 of Restricted Stock Units ("RSUs") on an ordinary share basis granted under the Adagene Inc. 2021 Performance Incentive Plan. 50% of RSUs shall vest on 7/23/2027and 7/23/2028, respectively.