As of April 28, 2026, ArriVent BioPharma's top three insider holders are Investment Management, Ltd. Hillhouse (TenPercentOwner, 3.93Mn shares), Robin Lachapelle (Chief Operating Officer, 135.74K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Investment Management, Ltd. Hillhouse | - | 0 | 3,929,117 | 03 Feb, 2026 |
| Robin Lachapelle | Chief Operating Officer | 135,736 | 0 | 15 Jul, 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 |
|---|---|---|---|---|---|---|---|---|
| 02 Feb, 2026 | Robin Lachapelle | Stock Option (right to buy) | A | 130,000 | $0.00 | 130,000 | D | A |
| 02 Feb, 2026 | Stuart Lutzker | Stock Option (right to buy) | A | 150,000 | $0.00 | 150,000 | D | A |
| 02 Feb, 2026 | Zhengbin Yao | Stock Option (right to buy) | A | 550,000 | $0.00 | 550,000 | D | A |
| 02 Feb, 2026 | Winston Kung | Stock Option (right to buy) | A | 140,000 | $0.00 | 140,000 | D | A |
| 10 Dec, 2025 | Investment Management, Ltd. Hillhouse | Common Stock | D | 555,555 | $23.37 | 3,929,117 | I | S |
| 11 Jul, 2025 | Robin Lachapelle | Common Stock | A | 2,050 | $2.28 | 126,633 | D | M |
| 11 Jul, 2025 | Robin Lachapelle | Common Stock | A | 2,600 | $2.28 | 129,233 | D | M |
| 11 Jul, 2025 | Robin Lachapelle | Common Stock | A | 6,503 | $2.28 | 135,736 | D | M |
| 11 Jul, 2025 | Robin Lachapelle | Stock Option (right to buy) | D | 2,050 | $0.00 | 410 | D | M |
| 11 Jul, 2025 | Robin Lachapelle | Stock Option (right to buy) | D | 2,600 | $0.00 | 12,873 | D | M |
| 11 Jul, 2025 | Robin Lachapelle | Stock Option (right to buy) | D | 6,503 | $0.00 | 6,370 | D | M |
| 18 Jun, 2025 | John Hohneker | Non-Qualified Stock Option (right to buy) | A | 15,502 | $0.00 | 15,502 | D | A |
| 03 Feb, 2025 | Winston Kung | Stock Option (right to buy) | A | 120,000 | $0.00 | 120,000 | D | A |
| 03 Feb, 2025 | Stuart Lutzker | Stock Option (right to buy) | A | 120,000 | $0.00 | 120,000 | D | A |
| 03 Feb, 2025 | Zhengbin Yao | Stock Option (right to buy) | A | 380,000 | $0.00 | 380,000 | D | A |
| 03 Feb, 2025 | Robin Lachapelle | Stock Option (right to buy) | A | 120,000 | $0.00 | 120,000 | D | A |
| 19 Sep, 2024 | Robin Lachapelle | Common Stock | A | 2,700 | $6.24 | 99,717 | D | M |
| 19 Sep, 2024 | Robin Lachapelle | Common Stock | A | 2,867 | $2.28 | 102,584 | D | M |
| 19 Sep, 2024 | Robin Lachapelle | Common Stock | A | 7,164 | $2.28 | 109,748 | D | M |
| 19 Sep, 2024 | Robin Lachapelle | Common Stock | A | 2,471 | $2.28 | 112,219 | D | M |