YHC Insider Transactions
23 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–23; provenance stays internal.
YHC insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Lu Yilin | President | 2025-12-17 | Purchase | 2,000,000.0 | $0.9 |
| Lambeth George Patrick | TenPercentOwner | 2025-07-17 | Sale | 180,000.0 | $3.04 |
| Hoffman Alexandra | Director | 2024-11-26 | Purchase | 1,000.0 | $0.99 |
| Hoffman Alexandra | Director | 2024-11-26 | Purchase | 2,000.0 | $1.01 |
| Hoffman Alexandra | Director | 2024-11-26 | Purchase | 1,500.0 | $1.03 |
| Hoffman Alexandra | Director | 2024-11-26 | Purchase | 3,500.0 | $1.02 |
| Dollinger Sean | CHIEF EXECUTIVE OFFICER | 2024-11-26 | Purchase | 28,700.0 | $1.04 |
| Lazar David E. | President | 2024-11-25 | Sale | 280,000.0 | — |
| Lazar David E. | President | 2024-11-21 | Sale | 821,818.0 | — |
| Dollinger Sean | Chief Executive Officer | 2023-12-20 | Purchase | 6,500.0 | $4.34 |
| Dollinger Sean | Chief Executive Officer | 2023-12-20 | Purchase | 4,298.0 | $4.44 |
| Dollinger Sean | Chief Executive Officer | 2023-12-20 | Purchase | 2.3 | $4.41 |
| Dollinger Sean | Chief Executive Officer | 2023-12-20 | Purchase | 5,800.0 | $5.02 |
| Dollinger Sean | Chief Executive Officer | 2023-12-20 | Purchase | 6,500.0 | $4.61 |
| Dollinger Sean | Chief Executive Officer | 2023-12-20 | Purchase | 6,500.0 | $4.34 |
| Dollinger Sean | Chief Executive Officer | 2023-12-20 | Purchase | 4,298.0 | $4.44 |
| Dollinger Sean | Chief Executive Officer | 2023-12-20 | Purchase | 2.3 | $4.41 |
| Dollinger Sean | Chief Executive Officer | 2023-12-20 | Purchase | 5,800.0 | $5.02 |
| Dollinger Sean | Chief Executive Officer | 2023-12-20 | Purchase | 6,500.0 | $4.61 |
| Dollinger Sean | Chief Executive Officer | 2023-11-21 | Purchase | 660,851.0 | $0.08 |
| Dollinger Sean | Chief Executive Officer | 2023-11-21 | Purchase | 92,213.0 | $0.09 |
| Dollinger Sean | Chief Executive Officer | 2023-08-23 | Purchase | 6,400.0 | $1.17 |
| Dollinger Sean | Chief Executive Officer | 2023-08-23 | Purchase | 80,000.0 | $1.16 |