According to recent filings covering the 90 days ending December 24, 2025, the three most significant insider holders at Oncology Institute are Director Growth I L.P. M33 (5.44Mn shares), Chief Executive Officer Daniel Virnich (1.80Mn shares), Director Brad Hively (683.72K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Growth I L.P. M33 | 5,444,207 | 20 Nov, 2025 | |
| Richard A Barasch | 4,571,022 | 20 Jun, 2025 | |
| Ravi Yang Sarin | 4,185,198 | 21 Mar, 2023 | |
| Daniel Virnich | Chief Executive Officer | 1,799,984 | 19 Nov, 2025 |
| Brad Hively | 683,721 | 16 Dec, 2025 | |
| Mark L Pacala | 481,732 | 24 Nov, 2025 | |
| Mihir Shah | Chief Financial Officer | 474,931 | 23 May, 2024 |
| Gabriel Ling | 333,539 | 24 Nov, 2025 | |
| Anne Mcgeorge | 291,370 | 24 Nov, 2025 | |
| Karen Marie Johnson | 288,286 | 24 Nov, 2025 | |
| Mohit Kaushal | 268,302 | 24 Nov, 2025 | |
| Richy Agajanian | 253,436 | 13 May, 2022 | |
| Healthcare Partners, L.P. Havencrest | 252,626 | 20 Aug, 2024 | |
| Jeremy Castle | Chief Operating Officer | 247,031 | 22 May, 2025 |
| Matthew P Miller | Chief Operating Officer | 242,992 | 21 Mar, 2023 |
| Yale Podnos | Chief Medical Officer | 237,930 | 19 Nov, 2025 |
| Robert Ross Carter | Chief Financial Officer | 235,369 | 19 Nov, 2025 |
| Scott Dalgleish | Chief Financial Officer | 151,008 | 23 Mar, 2022 |
| Maeve O'Meara | 109,104 | 28 Dec, 2023 | |
| Kristin England | Chief Administrative Officer | 98,037 | 24 Jul, 2025 |
| James E Flynn | 85,113 | 16 Nov, 2021 | |
| Jeffrey Langsam | Chief Clinical Officer | 57,380 | 23 May, 2025 |
| Diona Simoneit | Chief Accounting Officer | 39,705 | 21 Nov, 2022 |
| Sponsor Llc Dfp | 40 | 16 Nov, 2021 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 15 Dec, 2025 | Brad Hively | Common Stock | D | 13,333 | $3.77 | 683,721 | D | S |
| 20 Nov, 2025 | Mark L Pacala | Common Stock | A | 46,296 | $0.00 | 221,267 | D | A |
| 20 Nov, 2025 | Anne Mcgeorge | Common Stock | A | 67,901 | $0.00 | 251,247 | D | A |
| 20 Nov, 2025 | Mohit Kaushal | Common Stock | A | 50,926 | $0.00 | 228,179 | D | A |
| 20 Nov, 2025 | Karen Marie Johnson | Common Stock | A | 47,840 | $0.00 | 251,249 | D | A |
| 20 Nov, 2025 | Gabriel Ling | Common Stock | A | 46,296 | $0.00 | 296,502 | D | A |
| 20 Nov, 2025 | Brad Hively | Common Stock | A | 41,667 | $0.00 | 664,647 | D | A |
| 20 Nov, 2025 | Brad Hively | Common Stock | A | 32,407 | $0.00 | 697,054 | D | A |
| 20 Nov, 2025 | Karen Marie Johnson | Common Stock | A | 37,037 | $0.00 | 288,286 | D | A |
| 20 Nov, 2025 | Mohit Kaushal | Common Stock | A | 40,123 | $0.00 | 268,302 | D | A |
| 20 Nov, 2025 | Mark L Pacala | Common Stock | A | 35,494 | $0.00 | 256,761 | D | A |
| 20 Nov, 2025 | Anne Mcgeorge | Common Stock | A | 40,123 | $0.00 | 291,370 | D | A |
| 20 Nov, 2025 | Gabriel Ling | Common Stock | A | 37,037 | $0.00 | 333,539 | D | A |
| 18 Nov, 2025 | Mark L Pacala | Common Stock | D | 2,160 | $4.00 | 222,811 | D | S |
| 18 Nov, 2025 | Growth I L.P. M33 | Common Stock | D | 590,892 | - | 0 | I | J |
| 18 Nov, 2025 | Gabriel Ling | Common Stock | A | 141,149 | - | 250,206 | D | J |
| 18 Nov, 2025 | Mark L Pacala | Common Stock | D | 1,210 | $4.00 | 221,601 | D | S |
| 18 Nov, 2025 | Growth I L.P. M33 | Common Stock | A | 11,818 | - | 7,944,207 | D | J |
| 18 Nov, 2025 | Mark L Pacala | Common Stock | D | 46,630 | $4.00 | 174,971 | D | S |
| 18 Nov, 2025 | Growth I L.P. M33 | Common Stock | D | 2,500,000 | - | 5,444,207 | D | J |