SEC Form 4
Adagene Inc. (ADAG) insider trading
In the 12 months to Oct 26, 2026, 3 ADAG insiders reported open-market purchases of $162.2K across 4 filings; no open-market sales were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $0
- 0 filings · 0 insiders
- Open-market purchases
- $162.2K
- 4 filings
Who traded ADAG, and when
- Purchase
ADAG daily close from Oct 27, 2025 to Oct 26, 2026, between $1.41 and $4.78, last $2.47. 0 sale and 4 purchase filings by 3 insiders, marked at their filing dates. Peter Luo, Chief Executive Officer: bought $148.7K across 2 filings, first filed Aug 6, 2026, last Sep 17, 2026. Cuong V. Do, Director: bought $7.5K across 1 filing, first filed Aug 18, 2026, last Aug 18, 2026. Man Kin Tam, Chief Financial Officer: bought $6.0K across 1 filing, first filed Sep 25, 2026, last Sep 25, 2026.
Largest mark · tap a row for others
Peter Luo · Chief Executive Officer
Purchase $84,764
23,245 ADS at $3.65 avg
Filed Aug 6, 2026 · traded Aug 4
Close on filing date $4.14
Peter Luo · Chief Executive Officer
Chief Executive Officer
$148.7K boughtCuong V. Do · Director
Director
$7.5K boughtMan Kin Tam · Chief Financial Officer
Chief Financial Officer
$6.0K boughtOpen-market trades
4 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Peter Luo | Chief Executive Officer | — | $148.7K | 2 | — | |
| Cuong V. Do | Director | — | $7.5K | 1 | — | |
| Man Kin Tam | Chief Financial Officer | — | $6.0K | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Man Kin Tam Chief Financial Officer | Purchase | 2,000 | $3.00 | $6.0K | 12,000 | |
traded | Peter Luo Chief Executive Officer | Purchase | 20,290 | $3.15 | $64.0K | 88,535 | |
traded | Cuong V. Do Director | Purchase | 2,000 | $3.75 | $7.5K | 2,000 | |
traded | Peter Luo Chief Executive Officer | Purchase | 23,245 | $3.65 | $84.8K | 68,245 |
GET /stocks/filings/vX/form-4?tickers=ADAG&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"ADAG"
],
"issuer_cik": "0001818838",
"owner_cik": "0002106478",
"accession_number": "0001104659-26-111069",
"form_type": "4",
"filing_date": "2026-09-25",
"period_of_report": "2026-09-23",
"issuer_name": "Adagene Inc.",
"issuer_trading_symbol": "ADAG",
"owner_name": "Tam Man Kin",
"is_director": true,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "Chief Financial Officer",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "American Depositary Shares (ADSs)",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-23",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 2000,
"transaction_price_per_share": 3,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 12000,
"transaction_value": 6000,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "Including (i) 2,000 ADSs bought in the open market on 9/23/2026 at $3/ADS and (ii) vesting of Restricted Stock Unit (RSU) on 7/23/2026, which corresponds to 10,000 ADSs or 12,500 ordinary shares. Such RSU was granted under the 2021 Performance Incentive Plan in July 2024."
}
]
},
{
"tickers": [
"ADAG"
],
"issuer_cik": "0001818838",
"owner_cik": "0001907614",
"accession_number": "0001104659-26-108386",
"form_type": "4",
"filing_date": "2026-09-17",
"period_of_report": "2026-09-16",
"issuer_name": "Adagene Inc.",
"issuer_trading_symbol": "ADAG",
"owner_name": "Luo Peter",
"is_director": true,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "Chief Executive Officer",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "American Depositary Shares (ADS)",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-16",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 20290,
"transaction_price_per_share": 3.1533,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 88535,
"transaction_value": 63980.457,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The price reported in Column 4 is an average price. These shares were purchased in multiple transactions at prices ranging from $3.00 to $3.20 per share."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has Adagene Inc.'s CEO sold stock?
No. Peter Luo (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is ADAG’s insider data?
These are ADAG Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
Build with AI
Track ADAG insider trades with your agent
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for ADAG every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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