Champions Oncology, Inc. (CSBR) has 19 known insider and institutional holders on record. The largest holder is CHAMPIONS SPORTS INC with 9,548,000 shares. Other notable holders include BROWN MICHAEL MAURICE and Hidalgo Manuel.
Over the last 12 months, insiders have made 12 transactions in CSBR stock — 10 buys (valued at $2.82M) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
CSBR Insider Ownership
Top Holder
CHAMPIONS SPORTS INC
9,548,000 shares
Buys (12 mo)
10
$2.82M value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Champions Sports Inc |
10 Percent Owner, Officer: Chairman, President and CEO |
9,548,000 |
2004-10-12 |
|
| 2 |
Brown Michael Maurice |
10 Percent Owner |
3,437,500 |
2015-03-13 |
|
| 3 |
Hidalgo Manuel |
Director |
2,562,500 |
2007-06-15 |
|
| 4 |
Battery Ventures Ix, L.p. |
10 Percent Owner |
2,011,882 |
2019-04-30 |
|
| 5 |
Martell James |
Director |
1,784,828 |
2012-01-09 |
|
| 6 |
Morris Ronnie |
CEO |
858,878 |
2023-03-21 |
|
| 7 |
Davis Brady |
President |
135,000 |
2024-04-01 |
|
| 8 |
Epker Arthur G Iii |
Director |
100,000 |
2014-10-15 |
|
| 9 |
Miller David Barry |
Vice President, Finance |
73,852 |
2015-03-23 |
|
| 10 |
Settles Durwood |
Director |
50,000 |
2007-01-29 |
|
| 11 |
Stancic Ana |
Director |
50,000 |
2011-07-18 |
|
| 12 |
Schonau Mark |
Accting Peo and CFO |
50,000 |
2010-07-21 |
|
| 13 |
Tobin Scott R |
10 Percent Owner |
25,460 |
2025-11-07 |
|
| 14 |
Ackerman Joel |
Director |
21,216 |
2025-11-07 |
|
| 15 |
Sidransky David |
Director |
21,216 |
2025-11-07 |
|
| 16 |
Brainin Robert Lawrence |
Director |
17,933 |
2026-01-30 |
|
| 17 |
Mendelson Daniel Newman |
Director |
13,790 |
2025-11-07 |
|
| 18 |
Breitfeld Philip P. |
Director |
13,790 |
2025-11-07 |
|
| 19 |
Poliakoff Abba David |
Director |
2,500 |
2020-12-10 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2025-07-16 |
Brainin Robert Lawrence |
CEO |
RSU Award |
225,000 |
$7.80 |
$1.76M |
| 2024-11-12 |
Brainin Robert Lawrence |
Director |
RSU Award |
23,030 |
$4.64 |
$106.86K |
| 2023-11-03 |
Brainin Robert Lawrence |
Director |
RSU Award |
19,070 |
$5.51 |
$105.08K |
| 2022-11-01 |
Brainin Robert Lawrence |
Director |
RSU Award |
14,130 |
$7.00 |
$98.91K |
| 2021-11-05 |
Brainin Robert Lawrence |
Director |
RSU Award |
9,901 |
$10.10 |
$100K |
| 2021-06-09 |
Brainin Robert Lawrence |
Director |
Unknown |
8,032 |
$9.27 |
$74.46K |
| 2025-11-05 |
Breitfeld Philip P. |
Director |
RSU Award |
13,790 |
$6.80 |
$93.77K |
| 2025-11-05 |
Mendelson Daniel Newman |
Director |
RSU Award |
13,790 |
$6.80 |
$93.77K |
| 2025-11-05 |
Sidransky David |
Director |
RSU Award |
21,216 |
$6.80 |
$144.27K |
| 2025-11-05 |
Ackerman Joel |
Director |
RSU Award |
21,216 |
$6.80 |
$144.27K |
| 2025-11-05 |
Tobin Scott R |
10 Percent Owner |
RSU Award |
25,460 |
$6.80 |
$173.13K |
| 2025-10-30 |
Ackerman Joel |
Director |
Option Exercise (Sell) |
94,405 |
$2.10 |
$198.25K |
