As of April 22, 2026, the three largest insider holders of PACB are Christian O Henry (President Ceo, 3.58Mn shares), Oene Mark Van (Chief Operating Officer, 2.24Mn shares), Oene Mark Van (Chief Operating Officer, 2.24Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Christian O Henry | President Ceo | 3,581,813 | 0 | 04 Mar, 2026 |
| Oene Mark Van | Chief Operating Officer | 2,243,634 | 0 | 04 Mar, 2026 |
| Oene Mark Van | Chief Operating Officer | 2,243,634 | 0 | 04 Mar, 2026 |
| James R Ii Gibson | - | 1,245,663 | 0 | 03 Apr, 2026 |
| Jeff Eidel | - | 869,730 | 0 | 20 Aug, 2024 |
| Susan G. Kim | Chief Financial Officer | 695,654 | 0 | 02 Oct, 2024 |
| Christian O Henry | President Ceo | 672,358 | 0 | 22 Feb, 2022 |
| Kathy Ordonez | Chief Commercial Officer | 403,037 | 0 | 20 Jun, 2024 |
| Michele Farmer | Chief Accounting Officer | 305,948 | 0 | 04 Mar, 2026 |
| Peter Fromen | Chief Commercial Officer | 190,280 | 0 | 04 Mar, 2022 |
| Marshall Mohr | - | 132,821 | 0 | 20 Jun, 2024 |
| John F Milligan | - | 132,821 | 0 | 20 Jun, 2024 |
| Christopher Gibson | - | 111,386 | 0 | 10 Apr, 2026 |
| David W Meline | - | 57,116 | 0 | 20 Jun, 2024 |
| Christopher M Smith | - | 54,099 | 0 | 03 Feb, 2025 |
| Christopher M Smith | - | 54,099 | 0 | 03 Feb, 2025 |
| William W. Ericson | - | 41,616 | 0 | 20 Jun, 2024 |
| Lucy Shapiro | - | 22,821 | 0 | 20 Jun, 2024 |
| Randall S Livingston | - | 22,821 | 0 | 20 Jun, 2024 |
| Hannah Valantine | - | 22,821 | 0 | 20 Jun, 2024 |
| Lucy Shapiro | - | 22,821 | 0 | 20 Jun, 2024 |
| Hannah Valantine | - | 22,821 | 0 | 20 Jun, 2024 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 08 Apr, 2026 | Christopher Gibson | Common Stock | A | 57,473 | $0.00 | 111,386 | D | A |
| 08 Apr, 2026 | Christopher Gibson | Stock Option (right to buy) | A | 77,842 | $0.00 | 77,842 | D | A |
| 01 Apr, 2026 | James R Ii Gibson | Common Stock | D | 88,185 | $1.37 | 1,245,663 | D | S |
| 03 Mar, 2026 | Christopher Gibson | Common Stock | A | 53,913 | $0.00 | 53,913 | D | A |
| 03 Mar, 2026 | Christopher Gibson | Stock Option (right to buy) | A | 73,087 | $0.00 | 73,087 | D | A |
| 03 Mar, 2026 | Oene Mark Van | Common Stock | D | 6,504 | $1.51 | 2,243,634 | D | S |
| 03 Mar, 2026 | Michele Farmer | Common Stock | D | 2,979 | $1.51 | 305,948 | D | S |
| 03 Mar, 2026 | Christian O Henry | Common Stock | D | 12,497 | $1.51 | 3,581,813 | D | S |
| 27 Feb, 2026 | Oene Mark Van | Common Stock | A | 500,000 | $0.00 | 2,242,638 | D | A |
| 27 Feb, 2026 | Christian O Henry | Common Stock | A | 920,810 | $0.00 | 3,594,310 | D | A |
| 27 Feb, 2026 | Michele Farmer | Common Stock | A | 89,835 | $0.00 | 308,927 | D | A |
| 27 Feb, 2026 | James R Ii Gibson | Common Stock | A | 333,848 | $0.00 | 1,333,848 | D | A |
| 27 Feb, 2026 | Christian O Henry | Stock Option (right to buy) | A | 1,841,621 | $0.00 | 1,841,621 | D | A |
| 27 Feb, 2026 | James R Ii Gibson | Stock Option (right to buy) | A | 667,696 | $0.00 | 667,696 | D | A |
| 27 Feb, 2026 | Oene Mark Van | Stock Option (right to buy) | A | 1,000,000 | $0.00 | 1,000,000 | D | A |
| 27 Feb, 2026 | Michele Farmer | Stock Option (right to buy) | A | 179,670 | $0.00 | 179,670 | D | A |
| 17 Feb, 2026 | Michele Farmer | Common Stock | D | 35,215 | $1.58 | 234,044 | D | S |
| 17 Feb, 2026 | Oene Mark Van | Common Stock | D | 129,790 | $1.58 | 1,797,745 | D | S |
| 17 Feb, 2026 | Christian O Henry | Common Stock | D | 331,793 | $1.58 | 2,814,374 | D | S |
| 18 Feb, 2026 | Michele Farmer | Common Stock | D | 14,952 | $1.63 | 219,092 | D | S |