Form4insider filings, from the source

Company · CIK 0001818838 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

Adagene Inc. · ADAG

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $162k · 4sales $0 · 0net $162k
$10k$10k$100k$100k$1M$1MbuyssalesAug 3Aug 11Aug 20Aug 29Sep 6Sep 15Sep 24

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 23, 2026 PForm 4 →Sep 25, 6:23 pm EDTMan Kin TamChief Financial Officer, Director2,000$3.00$6,00012,000+20.0%
Sep 16, 2026 PForm 4 →Sep 17, 6:11 am EDTPeter LuoChief Executive Officer, Director20,290$3.15$63,98088,535+29.7%
Aug 14, 2026 PForm 4 →Aug 18, 6:11 pm EDTCuong V DoDirector2,000$3.75$7,5002,000—
Aug 4, 2026 PForm 4 →Aug 6, 6:15 pm EDTPeter LuoChief Executive Officer, Director23,245$3.65$84,76468,245+51.7%

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 13, 2026 AForm 4 →Aug 17, 8:32 pm EDTLi ZhuDirector20,000——90,000—
Aug 13, 2026 AForm 4 →Aug 17, 8:30 pm EDTAndy Yiu Leung CheungDirector20,000——90,000—
Aug 13, 2026 AForm 4 →Aug 17, 8:30 pm EDTCuong V DoDirector20,000——110,000—
Aug 13, 2026 AForm 4 →Aug 14, 11:20 am EDTUlf GrawunderDirector20,000——85,000—10b5-1