Champions Oncology, Inc. (CSBR) Insider Ownership

Historic Insider Ownership Trends

Champions Oncology's top three insider shareholders as of March 23, 2026 are Joel Ackerman (Director, 1.06Mn shares), Ronnie Morris (Ceo, 858.88K shares), David Sidransky (Director, 767.04K 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
Joel Ackerman 1,056,539 0 30 Oct, 2025
Joel Ackerman 1,056,539 0 30 Oct, 2025
Ronnie Morris Ceo 858,878 0 21 Mar, 2023
David Sidransky 767,043 0 12 Oct, 2022
Daniel Newman Mendelson 198,625 0 16 Jan, 2024
Scott R Tobin 30,000 0 12 Oct, 2022
Philip P. Breitfeld 5,717 0 02 Apr, 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.

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
05 Nov, 2025 Daniel Newman Mendelson Option to purchase Common Stock A 13,790 $6.80 13,790 D A
05 Nov, 2025 Joel Ackerman Option to purchase Common Stock A 21,216 $6.80 21,216 D A
05 Nov, 2025 Joel Ackerman Option to purchase Common Stock A 21,216 $6.80 21,216 D A
05 Nov, 2025 Scott R Tobin Option to purchase Common Stock A 25,460 $6.80 25,460 D A
05 Nov, 2025 David Sidransky Option to purchase Common Stock A 21,216 $6.80 21,216 D A
05 Nov, 2025 Philip P. Breitfeld Option to purchase Common Stock A 13,790 $6.80 13,790 D A
30 Oct, 2025 Joel Ackerman Common Stock A 94,405 $2.10 1,056,539 D M
30 Oct, 2025 Joel Ackerman Common Stock A 94,405 $2.10 1,056,539 D M
30 Oct, 2025 Joel Ackerman Option to purchase Common Stock D 94,405 $2.10 0 D M
30 Oct, 2025 Joel Ackerman Option to purchase Common Stock D 94,405 $2.10 0 D M
25 Mar, 2025 Philip P. Breitfeld Common Stock D 4,150 $0.00 5,717 D J
12 Nov, 2024 Joel Ackerman Option to purchase Common Stock A 43,190 $4.64 43,190 D A
12 Nov, 2024 Scott R Tobin Option to purchase Common Stock A 34,550 $4.64 34,550 D A
12 Nov, 2024 David Sidransky Option to purchase Common Stock A 21,880 $4.64 21,880 D A
12 Nov, 2024 Philip P. Breitfeld Option to purchase Common Stock A 18,715 $4.64 18,715 D A
12 Nov, 2024 Joel Ackerman Option to purchase Common Stock A 43,190 $4.64 43,190 D A
12 Nov, 2024 Daniel Newman Mendelson Option to purchase Common Stock A 21,590 $4.64 21,590 D A
31 Oct, 2024 Joel Ackerman Common Stock A 88,470 $2.10 945,467 D M
31 Oct, 2024 Joel Ackerman Common Stock A 88,470 $2.10 945,467 D M
31 Oct, 2024 Joel Ackerman Common Stock A 16,667 $5.43 962,134 D M