Citius Oncology's top three insider shareholders as of June 06, 2026 are Myron Czuczman (Chief Medical Officer, 825.00K shares), Jaime Bartushak (Chief Financial Officer, 825.00K shares), Joel David Mayersohn (Director, 321.23K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Joel David Mayersohn | - | 321,228 | 0 | 01 Dec, 2025 |
| Carol Webb | - | 300,000 | 0 | 01 Dec, 2025 |
| Eugene Myron Holuka | - | 300,000 | 0 | 01 Dec, 2025 |
| Jaime Bartushak | Chief Financial Officer | 825,000 | 0 | 01 Dec, 2025 |
| Myron Czuczman | Chief Medical Officer | 825,000 | 0 | 01 Dec, 2025 |
| Robert Joseph Smith | - | 300,000 | 0 | 01 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 |
|---|---|---|---|---|---|---|---|---|
| 19 Sep, 2025 | Carol Webb | Common Stock | A | 300,000 | $0.00 | 300,000 | D | A |
| 19 Sep, 2025 | Myron Czuczman | Common Stock | A | 825,000 | $0.00 | 825,000 | D | A |
| 19 Sep, 2025 | Robert Joseph Smith | Common Stock | A | 300,000 | $0.00 | 300,000 | D | A |
| 19 Sep, 2025 | Eugene Myron Holuka | Common Stock | A | 300,000 | $0.00 | 300,000 | D | A |
| 19 Sep, 2025 | Carol Webb | Common Stock | A | 300,000 | $0.00 | 300,000 | D | A |
| 19 Sep, 2025 | Jaime Bartushak | Common Stock | A | 825,000 | $0.00 | 825,000 | D | A |
| 19 Sep, 2025 | Joel David Mayersohn | Common Stock | A | 300,000 | $0.00 | 321,228 | D | A |
| 19 Sep, 2025 | Robert Joseph Smith | Common Stock | A | 300,000 | $0.00 | 300,000 | D | A |
| 19 Sep, 2025 | Eugene Myron Holuka | Common Stock | A | 300,000 | $0.00 | 300,000 | D | A |
| 19 Sep, 2025 | Myron Czuczman | Common Stock | A | 825,000 | $0.00 | 825,000 | D | A |
| 19 Sep, 2025 | Myron Czuczman | Common Stock | A | 825,000 | $0.00 | 825,000 | D | A |
| 19 Sep, 2025 | Robert Joseph Smith | Common Stock | A | 300,000 | $0.00 | 300,000 | D | A |
| 19 Sep, 2025 | Carol Webb | Common Stock | A | 300,000 | $0.00 | 300,000 | D | A |
| 19 Sep, 2025 | Joel David Mayersohn | Common Stock | A | 300,000 | $0.00 | 321,228 | D | A |
| 19 Sep, 2025 | Carol Webb | Common Stock | A | 300,000 | $0.00 | 300,000 | D | A |
| 19 Sep, 2025 | Eugene Myron Holuka | Common Stock | A | 300,000 | $0.00 | 300,000 | D | A |
| 19 Sep, 2025 | Robert Joseph Smith | Common Stock | A | 300,000 | $0.00 | 300,000 | D | A |
| 19 Sep, 2025 | Myron Czuczman | Common Stock | A | 825,000 | $0.00 | 825,000 | D | A |
| 19 Sep, 2025 | Eugene Myron Holuka | Common Stock | A | 300,000 | $0.00 | 300,000 | D | A |
| 19 Sep, 2025 | Jaime Bartushak | Common Stock | A | 825,000 | $0.00 | 825,000 | D | A |