| Dir | Smartsheet Inc | Oct 04, 2023 | 2.0 | $100,225 |
| Dir | Aptevo Therapeutics Inc. | Jun 25, 2019 | 2.5 | $18M |
| Dir | On Semiconductor Corp | Feb 15, 2018 | 5.0 | $450,636 |
| Former CEO | Ais Holdings Group, Inc. | Sep 02, 2019 | 2086.0 | $134,080 |
| Vice Chair | Berkshire Hathaway Inc | Sep 29, 2022 | 4.0 | $68M |
| Dir | Ampco Pittsburgh Corp | Aug 11, 2020 | 2.7 | $84,158 |
| VP | Utg Inc | Jun 18, 2025 | N/A | $12,954 |
| Dir | Mid Penn Bancorp Inc | Mar 31, 2025 | 2.8 | $505,587 |
| See Remarks | Schrodinger, Inc. | Feb 10, 2025 | 1.9 | $11M |
| Director Emeritus | Boston Scientific Corp | Aug 20, 2015 | 2.3 | $9M |
| Dir | Medite Cancer Diagnostics, Inc. | Oct 11, 2018 | 9.5 | $50,000 |
| See Remarks | P10, Inc. | May 16, 2025 | 4.3 | $3M |
| Dir | Independent Bank Corp | Feb 11, 2025 | 1.7 | $372,053 |
| See Remarks | Talos Energy Inc. | Nov 19, 2021 | 2.0 | $1M |
| SVP | Joann Inc. | Mar 21, 2023 | 1.3 | $40,706 |
| Dir | Biocryst Pharmaceuticals Inc | Apr 18, 2022 | 1.9 | $2M |
| Controller | Commerce Bancshares Inc /mo/ | Apr 16, 2018 | 1.6 | $309,632 |
| Dir | Interdigital, Inc. | Jun 09, 2025 | 1.1 | $10M |
| COO | Dakota Gold Corp. | Nov 20, 2024 | 1.9 | $137,901 |
| SVP Strategy Investor Relation | Regeneron Pharmaceuticals Inc | Jun 22, 2017 | 1.0 | $1M |
| Dir | Pluristem Therapeutics Inc | Feb 10, 2022 | 1.8 | $363,746 |
| 10% | National Security Group Inc | Sep 25, 2020 | 9.8 | $2M |
| Dir | National Healthcare Corp | Aug 14, 2024 | 1.8 | $1M |
| EVP | Frontier Communications Corp | Nov 10, 2015 | 2.0 | $224,953 |
| Dir | Haemonetics Corp | Aug 11, 2020 | 2.0 | $940,742 |
| Dir | Athenahealth Inc | Dec 26, 2017 | 3.3 | $458,880 |
| 10% | Peoples Bancorp of North Carolina Inc | Aug 24, 2021 | 1.0 | $1M |
| Dir | Peoples Bancorp of North Carolina Inc | May 23, 2025 | 3.8 | $2M |
| CFO | Neurocrine Biosciences Inc | Feb 13, 2025 | 2.3 | $15M |
| COB | Peoples Bancorp of North Carolina Inc | May 22, 2020 | 1.0 | $36,123 |