Aytu Biopharma, Inc (AYTU) Insider Ownership

Historic Insider Ownership Trends

Aytu Biopharma's three largest insider shareholders as of April 22, 2026 are Gary Cantrell (Director, 164.09K shares), Jarrett Disbrow (Chief Business Officer, 61.57K shares), Ryan J Selhorn (Chief Financial Officer, 49.74K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Gary Cantrell - 164,089 0 23 Dec, 2022
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
Greg Pyszczymuka Chief Commercial Officer 23,602 0 31 Mar, 2025
Carl Dockery - 20,440 0 07 Oct, 2025
Ryan J Selhorn Chief Financial Officer 16,000 0 03 Mar, 2025
John Jr. Donofrio - 13,762 0 07 Oct, 2025
Carl Dockery - 10,440 0 08 Nov, 2024
John Jr. Donofrio - 3,762 0 08 Nov, 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
03 Oct, 2025 Jarrett Disbrow Common Stock A 19,606 $0.00 49,068 D A
03 Oct, 2025 John Jr. Donofrio Common Stock A 10,000 $0.00 13,762 D A
03 Oct, 2025 Greg Pyszczymuka Common Stock A 12,500 $0.00 36,102 D A
03 Oct, 2025 Ryan J Selhorn Common Stock A 16,243 $0.00 32,243 D A
03 Oct, 2025 Carl Dockery Common Stock A 10,000 $0.00 20,440 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 Jarrett Disbrow Common Stock A 16,666 $1.50 29,462 D 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
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
31 Dec, 2024 Greg Pyszczymuka Restricted Stock Units D 208 $0.00 209 D M
11 Nov, 2024 Ryan J Selhorn Common Shares A 14,000 $0.00 15,895 D A
06 Nov, 2024 Carl Dockery Common Shares A 1,500 $0.00 10,440 D A
06 Nov, 2024 John Jr. Donofrio Common Shares A 1,500 $0.00 3,762 D A
06 Nov, 2024 Greg Pyszczymuka Employee Stock Option (Right to Buy) A 7,000 $0.00 7,000 D A
06 Nov, 2024 Jarrett Disbrow Employee Stock Option (Right to Buy) A 7,000 $0.00 7,000 D A
30 Sep, 2024 Greg Pyszczymuka Common Shares A 209 - 23,185 D M