5 insiders reported 22 Form 4 transactions for Sagimet Biosciences Inc. (SGMT) over the past 18 months (most recent 2026-08-17). Recent activity: Kemble George (Director) Buy 326,618 shares, Kemble George (Director) Buy 24,369 shares, Kemble George (Director) Sell 350,987 shares, Kemble George (Director) Buy 9,751 shares, Kemble George (Director) Buy 10,455 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-17 | Kemble George | Director | Buy | 326,618 | $2.1M |
| 2026-08-17 | Kemble George | Director | Buy | 24,369 | $154,987 |
| 2026-08-17 | Kemble George | Director | Sell | 350,987 | $3.6M |
| 2026-08-12 | Kemble George | Director | Buy | 9,751 | $62,016 |
| 2026-08-12 | Kemble George | Director | Buy | 10,455 | $66,494 |
| 2026-08-12 | Kemble George | Director | Sell | 20,206 | $201,147 |
| 2026-07-22 | Happel David | President & CEO | Sell | 64,051 | $497,068 |
| 2026-07-22 | Kemble George | Director | Sell | 18,844 | $140,529 |
| 2026-07-22 | Rozek Elizabeth | Chief Legal & Admin. Officer | Sell | 10,545 | $81,832 |
| 2026-02-20 | Chauche Thierry | Chief Financial Officer | Buy | 44,000 | $0 |
| 2026-02-20 | Happel David | President & CEO | Buy | 128,000 | $0 |
| 2026-02-20 | Rozek Elizabeth | Chief Legal & Admin. Officer | Buy | 44,000 | $0 |
| 2026-02-20 | Martins Eduardo Bruno | Chief Medical Officer | Buy | 44,000 | $0 |
| 2026-02-12 | Happel David | President & CEO | Sell | 12,101 | $64,861 |
| 2026-02-12 | Martins Eduardo Bruno | Chief Medical Officer | Sell | 3,640 | $19,510 |
| 2026-02-12 | Rozek Elizabeth | Chief Legal & Admin. Officer | Sell | 2,622 | $14,054 |
| 2026-02-12 | Chauche Thierry | Chief Financial Officer | Sell | 1,312 | $7,032 |
| 2025-11-21 | Kemble George | Executive Chairman | Sell | 37,688 | $289,821 |
| 2025-11-06 | Rozek Elizabeth | Chief Legal & Admin. Officer | Buy | 9,855 | $0 |
| 2025-07-23 | Happel David | President & CEO | Sell | 65,478 | $597,814 |
| 2025-07-23 | Rozek Elizabeth | General Counsel and CCO | Sell | 10,780 | $98,421 |
| 2025-07-23 | Martins Eduardo Bruno | Chief Medical Officer | Sell | 8,277 | $75,569 |
Source: SEC Form 4 filings · as of 2026-08-17