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SCHEDULE 13D/A Filed 2026-06-08 Event 2026-06-05 SEC 0001104659-26-071145 →

Luo Peter Adagene, Inc. ADAG

Stake: 11.20% Shares: 6,242,998 CUSIP: 005329107 Class: Ordinary shares, par value USD $0.0001 per share

Item 4 — Purpose of Transaction

On May 23, 2025, Mr. Luo received 191,667 ordinary shares from Great Han Fortune LP for the benefit of Peter Luo, and Xiaohong She received 23,333 ordinary shares from Great Han Fortune LP for the benefit of Xiaohong She. On May 23, 2025, Mr. Luo and Xiaohong She transferred 191,667 and 23,333 ordinary shares respectively to HAN 2020 Irrevocable Trust, for estate planning purpose. Due to the operation of the Concert Party Agreement dated December 14, 2020 among members of Peter Luo-Acting-in-Concert-Group, Peter Luo may be deemed to acquire or dispose additional beneficial ownership from time to time due to the acquisition or disposal of beneficial ownership by the members of Peter Luo-Acting-in-Concert-Group. The Reporting Persons acquired the ordinary shares reported herein for investment and estate planning purposes, in the ordinary course of business. Other than as disclosed in this Amendment, the Reporting Persons currently do not have any plans or proposals that would result in or relate to any of the transactions or changes listed in Items 4(a) through 4(j) of the Schedule 13D. Mr. Luo is the Chief Executive Officer and the Chairman of the Board of Directors of the Issuer. The Reporting Persons, including members of the Peter Luo-Acting-in-Concert-Group, may acquire additional ordinary shares in the ordinary course of business, including in connection with outstanding options or additional options to be granted by the Issuer to Mr. Luo and/or share repurchase plan established by Mr. Luo in his personal capacity.

Cross-References

Insider Activity (last 365d)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
2 13D/G filings on this issuer
1 other filing besides this one
Filer Track Record
2 filings by this filer
1 other filing in the data moat
Short Interest · settle 2026-07-15
DTC 5.08
2,189,615 shares short · +5.1% vs prior

Post-Filing Returns · since 2026-06-05 on ADAG

+1 day
-1.8%
+5 days
0.0%
+30 days
+18.4%
+60 days
+90 days
+180 days

Anchor price 3.32 on closest trading day on/after 2026-06-05. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on Adagene, Inc.

FiledFormFilerStakeShares
2025-02-19 SCHEDULE Luo Peter 15.58% 9,175,439 view →

Other Filings by Luo Peter

FiledFormIssuerStakeShares
2025-02-19 SCHEDULE Adagene Inc. ADAG 15.58% 9,175,439 view →

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