Key facts
- This page summarizes Cuong Do V's Form 4 filing for Adagene Inc. (ADAG).
- 1 reported transaction and 1 derivative row are listed below.
- Accepted by SEC: 17 Aug 2026, 20:30.
Cuong Do V - 13 Aug 2026 Form 4 Insider Report for Adagene Inc. (ADAG)
- Reporting relationship
- Director
- Issuer ticker
- ADAG
- Reported as of
- 13 Aug 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 17 Aug 2026, 20:30:12 UTC
- Prior SEC filing
- 18 Mar 2026
- Next SEC filing
- 18 Aug 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Cuong Do
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Cuong Do V filed Form 4 for Adagene Inc. (ADAG) on 17 Aug 2026.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001477037
Primary reporting owner
DO CUONG V
- Relationship
- Director
- Address
- 4F, BUILDING C14, NO. 218 XINGHU STREET, SUZHOU JIANGSU, CHINA
- Signature
- /s/ Cuong Do
- Signature date
- 17 Aug 2026
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
ADAG
transaction
Derivative
Nonqualified Stock Option (Right to Buy)
Award
- Transaction value
- Shares
- +20,000
- Change %
- +22%
- Price
- $0.000000*
- Shares after
- 110,000
- Date
- 13 Aug 2026
- Ownership
- Direct
- Underlying class
- Ordinary Shares
- Underlying amount
- 20,000
- Exercise price
- $3.00
- 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
20,000 shares of stock option granted on August 13, 2026 under the Adagene Inc. 2021 Performance Incentive Plan, and the option shall vest on April 30, 2027 or the date of the next 20-F filing, whichever is earlier.