Adagene's top three insider shareholders as of September 29, 2026 are Peter Luo (Chief Executive Officer, 88.53K shares), Man Kin Tam (Chief Financial Officer, 12.00K shares), Cuong V Do (Director, 2.00K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Peter Luo | Chief Executive Officer | 88,535 | 0 | 88,535 | 86.3% | 17 Sep, 2026 |
| 2 | Man Kin Tam | Chief Financial Officer | 12,000 | 0 | 12,000 | 11.7% | 25 Sep, 2026 |
| 3 | Cuong V Do | Director | 2,000 | 0 | 2,000 | 2.0% | 18 Aug, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 23 Sep, 2026 | Man Kin Tam | Chief Financial Officer | Acquired P | 2,000 | $3.00 | $6.00K | 12,000 | Direct |
| 16 Sep, 2026 | Peter Luo | Chief Executive Officer | Acquired P | 20,290 | $3.15 | $63.98K | 88,535 | Direct |
| 14 Aug, 2026 | Cuong V Do | Director | Acquired P | 2,000 | $3.75 | $7.50K | 2,000 | Direct |
| 13 Aug, 2026 | Andy Yiu Leung Cheung | Director | Acquired A | 20,000 | $0.00 | $0 | 90,000 | Direct |
| 13 Aug, 2026 | Li Zhu | Director | Acquired A | 20,000 | $0.00 | $0 | 90,000 | Direct |
| 13 Aug, 2026 | Cuong V Do | Director | Acquired A | 20,000 | $0.00 | $0 | 110,000 | Direct |
| 13 Aug, 2026 | Ulf Grawunder | Director | Acquired A | 20,000 | $0.00 | $0 | 85,000 | Direct |
| 04 Aug, 2026 | Peter Luo | Chief Executive Officer | Acquired P | 22,966 | $3.65 | $83.75K | 67,966 | Direct |
| 05 Aug, 2026 | Peter Luo | Chief Executive Officer | Acquired P | 279 | $3.65 | $1.02K | 68,245 | Direct |