Lubner David Charles (CIK 1572000) reported 5 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-08-07). Recent activity: Buy BRVE (55,555 shares), Sell ACLX (21,659 shares), Sell DYN (53,625 shares), Buy ACLX (6,000 shares), Sell ACLX (6,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-07 | Braveheart Bio, Inc. (BRVE) | Director | Buy | 55,555 | $999,990 |
| 2026-04-28 | Arcellx, Inc. (ACLX) | Director | Sell | 21,659 | $0 |
| 2026-04-28 | Dyne Therapeutics, Inc. (DYN) | Director | Sell | 53,625 | $0 |
| 2026-01-20 | Arcellx, Inc. (ACLX) | Director | Buy | 6,000 | $37,680 |
| 2026-01-20 | Arcellx, Inc. (ACLX) | Director | Sell | 6,000 | $450,000 |
Source: SEC Form 4 filings · as of 2026-08-07