Insider Ledger

ADAG insider buying and SEC filings, explained

Adagene Inc. · CIK 1818838

Tracked: Forms 3/4/5, 8-K, NT · Limited coverage: files 6-K/20-F, not covered in v1 · All filings on sec.gov

Company profile

Exchanges
Nasdaq
Industry (SIC)
Pharmaceutical Preparations
State of incorporation
E9
Fiscal year end
Dec 31

Insider activity in the last 12 months

Bought
$149K
Insiders who bought
1
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Sep 23, 2026Open-market purchaseMan Kin Tam (CFO and Director) bought 2,000 shares at $3.00 ($6K) in an open-market purchase. Holdings up 20% to 12,000 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Sep 25, 2026
Sep 16, 2026Purchase (code P)Peter Luo (CEO and Director) bought 20,290 shares at $3.15 ($64K), reported as a purchase (code P). Holdings up 30% to 88,535 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Sep 17, 2026
Aug 14, 2026Purchase (code P)Cuong V. Do (Director) bought 2,000 shares at $3.75 ($8K), reported as a purchase (code P). New position of 2,000 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Aug 18, 2026
Aug 4–5, 2026Purchase (code P)Peter Luo (CEO and Director) bought 23,245 shares between Aug 4 and Aug 5 at $3.65 ($85K), reported as a purchase (code P). Holdings up 52% to 68,245 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Aug 6, 2026

4 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

No cluster buys in the last 12 months.

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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