Aytu Biopharma's three largest insider shareholders as of March 23, 2026 are Capital, Llc Armistice (Director, 1.34Mn shares), Michael Macaluso (Director, 208.08K shares), Joshua R. Disbrow (Chief Executive Officer, 207.20K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Capital, Llc Armistice | 1,342,378 | 0 | 10 May, 2021 | |
| Michael Macaluso | 208,079 | 0 | 16 Apr, 2021 | |
| Joshua R. Disbrow | Chief Executive Officer | 207,203 | 0 | 07 Oct, 2025 |
| Mark K Oki | Chief Financial Officer | 190,000 | 0 | 28 Nov, 2022 |
| Gary Cantrell | 164,089 | 0 | 23 Dec, 2022 | |
| Richard I Eisenstadt | Chief Financial Officer | 68,734 | 0 | 05 Apr, 2021 |
| Jarrett Disbrow | Chief Business Officer | 61,568 | 0 | 07 Oct, 2025 |
| Ryan J Selhorn | Chief Financial Officer | 49,743 | 0 | 07 Oct, 2025 |
| Greg Pyszczymuka | Chief Commercial Officer | 36,102 | 0 | 07 Oct, 2025 |
| Gerald W. Mclaughlin | 31,401 | 0 | 12 Apr, 2021 | |
| Carl Dockery | 20,440 | 0 | 07 Oct, 2025 | |
| Vivian H Liu | 19,825 | 0 | 07 Oct, 2025 | |
| Abhinav Jain | 19,500 | 0 | 07 Oct, 2025 | |
| John Jr. Donofrio | 13,762 | 0 | 07 Oct, 2025 | |
| Beth Hecht | 9,052 | 0 | 12 Apr, 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 |
|---|---|---|---|---|---|---|---|---|
| 03 Oct, 2025 | Ryan J Selhorn | Common Stock | A | 16,243 | $0.00 | 32,243 | D | A |
| 03 Oct, 2025 | John Jr. Donofrio | Common Stock | A | 10,000 | $0.00 | 13,762 | D | A |
| 03 Oct, 2025 | Carl Dockery | Common Stock | A | 10,000 | $0.00 | 20,440 | D | A |
| 03 Oct, 2025 | Vivian H Liu | Common Stock | A | 10,000 | $0.00 | 19,825 | D | A |
| 03 Oct, 2025 | Jarrett Disbrow | Common Stock | A | 19,606 | $0.00 | 49,068 | D | A |
| 03 Oct, 2025 | Greg Pyszczymuka | Common Stock | A | 12,500 | $0.00 | 36,102 | D | A |
| 03 Oct, 2025 | Joshua R. Disbrow | Common Stock | A | 31,446 | $0.00 | 184,703 | D | A |
| 03 Oct, 2025 | Abhinav Jain | Common Stock | A | 10,000 | $0.00 | 19,500 | D | A |
| 03 Oct, 2025 | Joshua R. Disbrow | Common Stock | A | 22,500 | $0.00 | 207,203 | D | A |
| 03 Oct, 2025 | Jarrett Disbrow | Common Stock | A | 12,500 | $0.00 | 61,568 | D | A |
| 03 Oct, 2025 | Ryan J Selhorn | Common Stock | A | 17,500 | $0.00 | 49,743 | D | A |
| 09 Jun, 2025 | Joshua R. Disbrow | Common Stock | A | 66,666 | $1.50 | 153,257 | D | P |
| 09 Jun, 2025 | Jarrett Disbrow | Common Stock | A | 16,666 | $1.50 | 29,462 | D | P |
| 06 Jun, 2025 | Capital Management, Llc Nantahala | Prefunded Warrants | A | 4,000,000 | $1.50 | 4,815,217 | I | P |
| 31 Mar, 2025 | Greg Pyszczymuka | Common Shares | A | 209 | - | 23,602 | D | M |
| 31 Mar, 2025 | Greg Pyszczymuka | Restricted Stock Units | D | 209 | $0.00 | 0 | D | M |
| 05 Feb, 2025 | Ryan J Selhorn | Common Shares | A | 105 | - | 16,000 | D | M |
| 28 Feb, 2025 | Joshua R. Disbrow | Common Stock | A | 15,000 | $1.30 | 86,591 | D | P |
| 05 Feb, 2025 | Ryan J Selhorn | Restricted Stock Units | D | 105 | $0.00 | 0 | D | M |
| 31 Dec, 2024 | Greg Pyszczymuka | Common Shares | A | 208 | - | 23,393 | D | M |