As of June 18, 2026, the three largest insider holders of YHC are Yilin Lu (President, 2.00Mn shares), David E. Lazar (President, 100.00K shares), Alexandra Hoffman (Director, 8.83K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Jing Lu | - | 537 | 0 | 02 Oct, 2025 |
| David E. Lazar | President | 100,000 | 0 | 07 Apr, 2025 |
| Alexandra Hoffman | - | 8,834 | 0 | 02 Dec, 2024 |
| Sean Dollinger | Chief Executive Officer | 2,922 | 0 | 02 Oct, 2025 |
| James P. O'Brien | - | 936 | 0 | 02 Apr, 2025 |
| Lijun Chen | - | 537 | 0 | 02 Oct, 2025 |
| Hong Chun Yeung | - | 537 | 0 | 02 Oct, 2025 |
| Yilin Lu | President | 2,000,537 | 0 | 19 Dec, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 30 Sep, 2025 | Yilin Lu | Common Stock | A | 179 | $0.00 | 537 | D | M |
| 30 Sep, 2025 | Yilin Lu | Common Stock | A | 179 | $0.00 | 537 | D | M |
| 17 Dec, 2025 | Yilin Lu | Common Stock | A | 2,000,000 | $0.90 | 2,000,537 | D | P |
| 17 Dec, 2025 | Yilin Lu | Common Stock | A | 2,000,000 | $0.90 | 2,000,537 | D | P |
| 30 Sep, 2025 | Yilin Lu | Restricted Stock Units | D | 179 | $0.00 | 892 | D | M |
| 30 Sep, 2025 | Yilin Lu | Restricted Stock Units | D | 179 | $0.00 | 892 | D | M |
| 30 Sep, 2025 | Lijun Chen | Common Stock | A | 179 | $0.00 | 537 | D | M |
| 30 Sep, 2025 | Yilin Lu | Common Stock | A | 179 | $0.00 | 537 | D | M |
| 30 Sep, 2025 | Jing Lu | Common Stock | A | 179 | $0.00 | 537 | D | M |
| 30 Sep, 2025 | Yilin Lu | Common Stock | A | 179 | $0.00 | 537 | D | M |
| 30 Sep, 2025 | Hong Chun Yeung | Common Stock | A | 179 | $0.00 | 537 | D | M |
| 30 Sep, 2025 | Jing Lu | Common Stock | A | 179 | $0.00 | 537 | D | M |
| 30 Sep, 2025 | Hong Chun Yeung | Common Stock | A | 179 | $0.00 | 537 | D | M |
| 30 Sep, 2025 | Sean Dollinger | Common Stock | A | 90 | $0.00 | 2,922 | D | M |
| 30 Sep, 2025 | Yilin Lu | Restricted Stock Units | D | 179 | $0.00 | 892 | D | M |
| 30 Sep, 2025 | Hong Chun Yeung | Restricted Stock Units | D | 179 | $0.00 | 892 | D | M |
| 30 Sep, 2025 | Jing Lu | Restricted Stock Units | D | 179 | $0.00 | 892 | D | M |
| 30 Sep, 2025 | Lijun Chen | Restricted Stock Units | D | 179 | $0.00 | 892 | D | M |
| 30 Sep, 2025 | Jing Lu | Restricted Stock Units | D | 179 | $0.00 | 892 | D | M |
| 30 Sep, 2025 | Hong Chun Yeung | Restricted Stock Units | D | 179 | $0.00 | 892 | D | M |